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29-01-2020 дата публикации

СПОСОБ (ВАРИАНТЫ) И СИСТЕМА ДЛЯ УПРАВЛЕНИЯ НАГНЕТАТЕЛЕМ

Номер: RU2712536C2

Изобретение относится к двигателестроению. Способ управления нагнетателем включает изменение тока, подаваемого на мотор нагнетателя, для обеспечения некоторой величины крутящего момента на коленчатом валу двигателя в ответ на превышение требуемым крутящим моментом диапазона изменения момента зажигания двигателя. Также раскрыты вариант способа управления нагнетателем и система для управления нагнетателем. Технический результат заключается в снижении скачков крутящего момента двигателя. 3 н. и 17 з.п. ф-лы, 6 ил.

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23-01-2020 дата публикации

СПОСОБ ТОРМОЖЕНИЯ ИМЕЮЩИМ НАДДУВ ДВИГАТЕЛЕМ ВНУТРЕННЕГО СГОРАНИЯ И УСТРОЙСТВО ДЛЯ МОДУЛЯЦИИ ТОРМОЗНОЙ МОЩНОСТИ АВТОМОБИЛЯ С ИМЕЮЩИМ НАДДУВ ДВИГАТЕЛЕМ ВНУТРЕННЕГО СГОРАНИЯ

Номер: RU2711785C2
Принадлежит: МАН ТРАК УНД БАС АГ (DE)

Изобретение может быть использовано в двигателях внутреннего сгорания. Способ торможения двигателем для имеющего наддув двигателя внутреннего сгорания с работающим на отработавших газах турбонагнетателем. Tурбонагнетатель выполнен в виде поддерживаемого электродвигателем турбонагнетателя. Настройку требуемой тормозной мощности (MA) двигателя осуществляют ускорением и/или затормаживанием ротора турбонагнетателя. Требуемую тормозную мощность двигателя создают расположенным в кабине водителя исполнительным элементом. Ускорение ротора турбонагнетателя осуществляют посредством электромоторного режима (S4) турбонагнетателя с целью увеличения тормозной мощности двигателя, если требуемая тормозная мощность (МА) двигателя превышает заданное первое пороговое значение. Затормаживание ротора турбонагнетателя осуществляют посредством генераторного режима (S5) турбонагнетателя с целью уменьшения тормозной мощности двигателя, если требуемая тормозная мощность (МА) двигателя ниже заданного второго порогового ...

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14-10-2019 дата публикации

СИСТЕМА И СПОСОБ (ВАРИАНТЫ) ДЛЯ РЕГУЛИРОВАНИЯ НАДДУВА

Номер: RU2702949C2

Группа изобретений относится к области регулирования двигателей с наддувом. Предлагаются способы и системы для регулирования работы электродвигателя, присоединенного к компрессору, при эксплуатации двигателя на большой высоте над уровнем моря. Техническим результатом является улучшение экономичности двигателя. Сущность изобретения заключается в том, что в одном из примеров способ может включать в себя регулирование соотношения электрической подкрутки впускного компрессора, обеспечиваемой электродвигателем, и подкрутки компрессора от турбины при помощи перепускной заслонки отработавших газов в режиме холостого хода двигателя, а также при переключениях передачи коробки передач. Способ создает возможность поддержания оборотов холостого хода двигателя и крутящего момента на больших высотах с устранением замедленной работы при обеспечении наддува. 3 н. и 17 з.п. ф-лы, 4 ил.

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17-03-2022 дата публикации

Двигатель внутреннего сгорания с наддувом

Номер: RU2767415C2
Принадлежит: МАН Трак энд Бас АГ (DE)

Изобретение может быть использовано в двигателях внутреннего сгорания. Двигатель внутреннего сгорания (100) включает в себя клапанный механизм (102) газораспределения, электрический газотурбинный наддув (106) и блок (114) управления. Клапанный механизм (102) газораспределения предназначен для закрытия впускных клапанов (104) двигателя (100) внутреннего сгорания на время, предусмотренное циклами Миллера или Аткинсона. Электрический газотурбинный наддув (106) снабжен электрической машиной (112), которая избирательно работает как двигатель или как генератор. Блок (114) управления предназначен для использования электрической машины (112) электрического газотурбинного наддува (106) как двигатель в первом диапазоне нагрузки на двигатель (100) внутреннего сгорания. Блок (114) управления предназначен для использования электрической машины (112) электрического газотурбинного наддува (106) как генератор во втором диапазоне нагрузки, соответствующем более высоким нагрузкам на двигатель (100) внутреннего ...

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21-11-2018 дата публикации

СПОСОБ (ВАРИАНТЫ) УПРАВЛЕНИЯ ДАВЛЕНИЕМ НАДДУВА В ДВИГАТЕЛЕ И СИСТЕМА ДВИГАТЕЛЯ

Номер: RU2673028C2

Изобретение может быть использовано в двигателях внутреннего сгорания с наддувом. Способ для двигателя (10) с наддувом заключается в том, что осуществляют обход первого компрессора (110), расположенного выше по потоку, и направляют поток сжатого воздуха к поршневому двигателю (10) через второй компрессор (114), расположенный ниже по потоку. В качестве реакции на перерегулирование давления наддува, регулируют частоту вращения первого компрессора (110). Раскрыты вариант способа для двигателя с наддувом и система двигателя. Технический результат заключается в ускорении регулирования давления наддувочного воздуха и в уменьшении избыточной выработки крутящего момента двигателя. 3 н. и 17 з.п. ф-лы, 5 ил.

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26-11-2018 дата публикации

Способ (варианты) и система для уменьшения количества конденсата в охладителе воздуха турбонаддува

Номер: RU2673359C2

Изобретение может быть использовано в двигателях внутреннего сгорания с наддувом. Способ управления компрессорами двигателя (10) заключается в том, что пропускают воздух через первый компрессор (162) и второй компрессор (150) в воздухозаборнике (42) двигателя и возвращают часть воздуха, проходящего через второй компрессор (150), к воздухозаборнику двигателя ниже по потоку относительно первого компрессора (162) и выше по потоку относительно второго компрессора (150) посредством открытия контроллером (12) байпасного клапана (154) охладителя (151) воздуха турбонаддува. Часть воздуха, проходящего через второй компрессор (150) к воздухозаборнику двигателя ниже по потоку относительно первого компрессора (162) и выше по потоку относительно второго компрессора (162), возвращают в качестве реакции на определение контроллером (12). Определение контроллером (12) заключается в том, что количество конденсата в охладителе (151) воздуха турбонаддува стало выше порогового значения, в ходе управления двигателем ...

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15-03-2019 дата публикации

СПОСОБ И УСТРОЙСТВО ДЛЯ РЕГУЛИРОВАНИЯ ДАВЛЕНИЯ НАДДУВА В ДВИГАТЕЛЕ ВНУТРЕННЕГО СГОРАНИЯ С НАГНЕТАТЕЛЕМ СИСТЕМЫ ВОЛНОВОГО НАДДУВА

Номер: RU2682208C2
Принадлежит: АНТРОВА АГ (CH)

Предложены способ и устройство для регулирования давления наддува в двигателе (39) внутреннего сгорания с нагнетателем (1) системы волнового наддува, при котором нагнетатель (1) системы волнового наддува имеет ячеистый ротор (8), проходящий за один оборот по меньшей мере два цикла компрессии, причем поток (4с) отходящих газов высокого давления разделяют на первый и второй частичные потоки (4d, 4е) отходящих газов высокого давления, причем в первом цикле компрессии к ячеистому ротору (8) подводят поток (2с) свежего воздуха, а также первый частичный поток (4d) отходящих газов высокого давления и отводят от ячеистого ротора (8) первый поток (3с) сжатого свежего воздуха и поток (5е) отходящих газов низкого давления, а во втором цикле компрессии к ячеистому ротору (8) подводят поток (2с) свежего воздуха, а также второй частичный поток (4е) отходящих газов высокого давления и отводят от ячеистого ротора (8) второй поток (3d) сжатого свежего воздуха и поток (5е) отходящих газов низкого давления ...

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17-07-2019 дата публикации

Номер: RU2017123579A3
Автор:
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20-04-2021 дата публикации

Номер: RU2017137280A3
Автор:
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10-06-2015 дата публикации

СИСТЕМА ДЛЯ УЛУЧШЕНИЯ ЗАПУСКА ДВИГАТЕЛЯ

Номер: RU152595U1

1. Система двигателя, содержащая:двигатель, включающий в себя цилиндр, клапан и турбонагнетатель; иконтроллер, включающий в себя исполняемые инструкции, хранимые в невременной памяти, для подстройки давления наддува двигателя в ответ на объем цилиндра у цилиндра при останове двигателя.2. Система двигателя по п. 1, где исполняемые инструкции включают в себя инструкции для повышения давления наддува двигателя по мере того, как уменьшается объем цилиндра.3. Система двигателя по п. 1, где исполняемые инструкции включают в себя инструкции для понижения давления наддува двигателя по мере того, как увеличивается объем цилиндра.4. Система двигателя по п. 1, дополнительно содержащая дополнительные исполняемые инструкции для открывания клапана, чтобы повышать давление в цилиндре во время останова двигателя.5. Система двигателя по п. 1, где исполняемые инструкции повышают давление наддува двигателя, в то время как двигатель остановлен.6. Система двигателя по п. 1, дополнительно содержащая исполняемые инструкции для непосредственного запуска двигателя. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 152 595 U1 (51) МПК F02N 19/00 (2010.01) F02B 37/12 (2006.01) F02D 23/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ТИТУЛЬНЫЙ (21)(22) Заявка: ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2014108780/06, 06.03.2014 (24) Дата начала отсчета срока действия патента: 06.03.2014 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): ХЭШЕМИ Сиамек (US), СТЭЙНЕК Джо Ф. (US), ФРЭНКС Дональд Чарльз (US), ЛОКВУД Тони Э. (US) (45) Опубликовано: 10.06.2015 Бюл. № 16 1 5 2 5 9 5 R U (57) Формула полезной модели 1. Система двигателя, содержащая: двигатель, включающий в себя цилиндр, клапан и турбонагнетатель; и контроллер, включающий в себя исполняемые инструкции, хранимые в невременной памяти, для подстройки давления наддува двигателя в ответ на объем цилиндра у цилиндра при останове двигателя. 2. Система двигателя по п. 1, где исполняемые инструкции включают в себя инструкции для ...

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21-11-2019 дата публикации

СПОСОБ ДЛЯ ДВИГАТЕЛЯ (ВАРИАНТЫ) И СИСТЕМА ДЛЯ ДВИГАТЕЛЯ

Номер: RU2706893C2

Изобретение может быть использовано в двигателях внутреннего сгорания с разветвленной выпускной системой, содержащих системы рециркуляции отработавших газов. Способ для двигателя заключается в том, что согласованно регулируют фазы газораспределения впускных клапанов (2), (4), фазы газораспределения группы выпускных клапанов (6) и положение клапана (54) рециркуляции отработавших газов (РОГ) в магистрали (50) рециркуляции отработавших газов в соответствии с состоянием в компрессоре (162). Магистраль (50) рециркуляции отработавших газов установлена между заборным каналом (28), выше по потоку от компрессора (162), и выпускным коллектором (80), соединенным с группой выпускных клапанов (6). Согласованное регулирование включает в себя регулирование сначала фаз газораспределения выпускных клапанов (6). Затем осуществляют регулирование фаз газораспределения впускных клапанов (2), (4) или осуществляют регулирование положения клапана (54) рециркуляции отработавших газов, если достигнута максимальная ...

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16-01-2017 дата публикации

Привод турбокомпрессора транспортного двигателя внутреннего сгорания

Номер: RU168012U1

Полезная модель относится к области двигателестроения, конкретнее к системам воздухоснабжения двигателей внутреннего сгорания, в частности маневровых тепловозов, и может найти применение в стационарных и мобильных дизельных установках.Привод турбокомпрессора транспортного двигателя внутреннего сгорания, содержащий впускной и выпускной коллекторы двигателя, соединенные с турбокомпрессором, систему управления, ресивер с предохранительным клапаном, подающий и нагнетательный трубопроводы, управляемый электроклапан, блок управления, входящий в систему управления, управляемую муфту, соединенную с валом ротора турбокомпрессора, нагнетательный трубопровод, который через обратный клапан соединен с внутренней полостью, по крайней мере одного из цилиндров, управляемые муфта и электроклапан соединены с блоком управления, а блок управления соединен с контроллером машиниста, привод турбокомпрессора дополнительно снабжен источником питания и асинхронным электродвигателем, который соединен через управляемую ...

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04-05-2021 дата публикации

ТРАНСПОРТНОЕ СРЕДСТВО И СПОСОБ УПРАВЛЕНИЯ ТЕМПЕРАТУРОЙ КАТАЛИЗАТОРА ТРАНСПОРТНОГО СРЕДСТВА

Номер: RU2747342C1

Изобретение относится к транспортным средствам. В способе управления температурой катализатора транспортного средства выполняют управление повышением температуры каталитического нейтрализатора, которое включает прекращение подачи топлива в по меньшей мере один из цилиндров и подачу топлива в другие цилиндры, отличные от указанного по меньшей мере одного цилиндра. Управляют устройством генерирования движущей мощности так, чтобы компенсировать нехватку приводной мощности, получающуюся в результате выполнения управления повышением температуры каталитического нейтрализатора. Улучшается прогрев каталитического нейтрализатора. 2 н. и 9 з.п. ф-лы, 14 ил.

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20-03-2014 дата публикации

ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ С НАДДУВОМ

Номер: RU2012138713A
Принадлежит:

... 1. Способ управления и регулирования двигателя (1) внутреннего сгорания с наддувом, в котором в области (HLB) высоких мощностей наддувочный воздух подают с предварительным сжатием в двигатель внутреннего сгорания за счет двухступенчатого наддува из ступени (ND) низкого давления, а также ступени (HD) высокого давления и в котором в области (NLD) низких мощностей предварительно сжатый за счет двухступенчатого наддува наддувочный воздух подают с дополнительным сжатием в двигатель (1) внутреннего сгорания посредством компрессора в качестве третьей ступени наддува.2. Способ по п.1, отличающийся тем, что в области (NLB) низких мощностей давление (pLL) наддува регулируют за счет того, что по заданному давлению (pLL(SL)) наддува, а также по фактическому давлению (pLL(IST)) наддува вычисляют отклонение (ер) регулируемой величины, турбинный байпасный клапан (8) в обход турбины (7) высокого давления закрывают, а компрессорным байпасным клапаном (9) для обхода компрессора (2) управляют в зависимости ...

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10-04-2016 дата публикации

ТУРБОНАГНЕТАТЕЛЬ С ЭЛЕКТРОПРИВОДОМ С ЖИДКОСТНЫМ ОХЛАЖДЕНИЕМ

Номер: RU2014135808A
Принадлежит:

... 1. Турбонагнетатель (1), содержащийкомпрессорное колесо (9) и турбинное колесо (5), расположенные на противоположных концах вала (7);корпус (3), удерживающий вал (7);статор (22), расположенный в корпусе (3);пару уплотнителей (204, 208), расположенных между статором (22) и внутренней частью (142, 144) корпуса (3), образующие таким образом камеру (130) вокруг по меньшей мере части статора (22).2. Турбонагнетатель (1) по п. 1, отличающийся тем, что содержит пару торцевых полостей (122, 126), расположенных на осевых концах статора (22).3. Турбонагнетатель (1) по п. 1, отличающийся тем, что камера (130) имеет кольцеобразную конфигурацию.4. Турбонагнетатель (1) по п. 1, отличающийся тем, что уплотнители (204, 208) расположены по окружности статора (22).5. Турбонагнетатель (1) по п. 1, отличающийся тем, что содержит пару подшипников (10, 12), расположенных в корпусе (3), по одному на каждой стороне статора (22).6. Турбонагнетатель (1) по п. 1, отличающийся тем, что корпус (3) сегментирован.7.

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15-03-1988 дата публикации

Управляющее устройство для двигателя внутреннего сгорания с турбокомпрессором

Номер: SU1382408A3

Изобретение позволяет улучшить характеристики двигателя при разгоне. Турбокомпрессор двигателя состоит из расположенных на общем валу 3 турбины 4 и компрессора 5. Турбина работает на вьпслопных газах двигателя. Устр-во содержит электромотор 6,муф-о-о ту 7 сцепления, преобразователь 8 тока, электрическую сеть 9, дизель- генераторные комплекты 10 и 1 1 ,вьгчис- лительное устр-во 13, измеритель 14 фактической частоты вращения турбокомпрессора , выполненный в виде та- хогенератора, датчик 15 давления, развиваемого компрессором, датчик 16 частоты сети 9, выполняющей роль накопителя электрической энергии. Устр-во 13 из сравнения заданных и фактических значений, хранимых в памяти , вычисляет управляющие воздействия для блока управления преобразователем 8, при которых в случае работы электромотора 6 в режиме мотора , обеспечивается максимально быстрьй разгон и оптимальные условия для бездьмного сгорания по коэффициенту избытка воздуха. При избытке энергии в выхлопных газах электромотор 6 переводится ...

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12-10-2017 дата публикации

Betriebsverfahren und Kraftfahrzeug

Номер: DE102016205974A1
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Es wird ein Betriebsverfahren (40) für ein Kraftfahrzeug (10) mit einem Verbrennungsmotor (11), einem Abgasstrang (13), einer im Abgasstrang (13) angeordneten Abgasnachbehandlungseinrichtung (27) und einer im Abgasstrang (13) stromabwärts der Abgasnachbehandlungseinrichtung (27) angeordneten ersten Turboeinheit (15) bereitgestellt. Bei dem Betriebsverfahren wird für eine Steigerung einer Abgasnachbehandlungstemperatur (Ti) in einer Gegendruckerhöhung (44) ein Abgasdruck in dem Abgasstrang (13) stromaufwärts der ersten Turboeinheit (15) erhöht. So wirkt auf den Verbrennungsmotor (11) ein höherer Gegendruck. Die erste Turboeinheit (15) umfasst eine erste Abgasturbine (16) und eine mit der ersten Abgasturbine (16) in Wirkverbindung stehende Elektromaschine (17). Erfindungsgemäß wird die Gegendruckerhöhung (44) mittels der ersten Turboeinheit (15) durchgeführt und gleichzeitig eine Energierückgewinnung (45) vorgenommen, bei der die Elektromaschine (17) als Generator genutzt wird.

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21-12-2017 дата публикации

Verfahren zum Betreiben einer aufgeladenen Brennkraftmaschine mit einem elektrisch angetriebenen Zusatzverdichter

Номер: DE102016210922A1
Принадлежит:

Die Erfindung betrifft ein Verfahren zum Betreiben einer aufgeladenen Brennkraftmaschine (10) mit einem elektrisch angetriebenen Zusatzverdichter (30). Um das Ansprechverhalten einer aufgeladenen Brennkraftmaschine mit einem elektrisch angetriebenen Zusatzverdichter (30) zu verbessern, wird der elektrisch angetriebene Zusatzverdichter (30) bereits vor einer Drehmomentforderung an die Brennkraftmaschine (10) vorbereitend angetrieben.

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28-12-2017 дата публикации

Verfahren und Steuereinrichtung zur Bestimmung der Beladung eines Partikelfilters

Номер: DE102016211525A1
Принадлежит:

Die Erfindung betrifft ein Verfahren zur Bestimmung der Beladung eines Partikelfilters im Abgaskanal einer Brennkraftmaschine, wobei während einer Messphase ein Gasstrom durch den Partikelfilter erzeugt wird, wobei während der Messphase ein Differenzdruck über dem Partikelfilter oder ein absoluter Druck vor dem Partikelfilter ermittelt wird und wobei die Beladung des Partikelfilters zumindest aus dem Differenzdruck oder dem absoluten Druck bestimmt wird. Erfindungsgemäß ist vorgesehen, dass der Gasstrom durch den Partikelfilter durch einen elektrisch unterstützten Turbolader oder einen elektrisch angetriebenen Verdichter erzeugt wird und dass zumindest ein Teil des Gasstroms durch eine Hochdruck-Abgasrückführung zu dem Partikelfilter geleitet wird. Durch die Zuschaltung des elektrisch angetriebenen Verdichters oder des elektrisch unterstützten Turboladers wird ein so großer Volumenstrom durch den Partikelfilter erzeugt, dass eine genauere Bestimmung der Rußbeladung aus dem Differenzdruck ...

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25-08-2016 дата публикации

Abgasturboaufgeladene Brennkraftmaschine umfassend einen Radialverdichter mit im Diffusor angeordneter Leiteinrichtung und Verfahren zum Betreiben einer derartigen Brennkraftmaschine

Номер: DE102015203172A1
Принадлежит:

Die Erfindung betrifft eine aufgeladene Brennkraftmaschine mit einem Ansaugsystem (1) zum Zuführen von Ladeluft, einem Abgasabführsystem zum Abführen von Abgas und mindestens einem Abgasturbolader, der eine im Abgasabführsystem angeordnete Turbine und einen im Ansaugsystem (1) angeordneten Radialverdichter (2a) umfasst, wobei – der Verdichter (2) mit mindestens einem in einem Verdichtergehäuse (2b) auf einer drehbaren Welle (2d) gelagerten Laufrad (2c) ausgestattet ist, – in dem Verdichtergehäuse (2b) stromabwärts des mindestens einen Laufrades (2c) ein Diffusor (7) ausgebildet ist, – in dem Diffusor (7) Leitschaufeln (5b) einer Leiteinrichtung (5) angeordnet sind, und – die Leiteinrichtung (5) einen ringförmigen Träger (5a) umfasst, der die Leitschaufeln (5b) der Leiteinrichtung (5) aufnimmt. Es soll eine Brennkraftmaschine der genannten Art bereitgestellt werden, deren Abgasturbolaufladung verbessert ist. Erreicht wird dies durch eine Brennkraftmaschine, die dadurch gekennzeichnet ist ...

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25-08-1983 дата публикации

Spark ignition internal combustion engine, especially for a motor vehicle, with a load adjustment device

Номер: DE0003205722A1
Принадлежит:

In order to avoid the usual throttle losses in the load control of the internal combustion engine (2), in place of the usual throttle valve a machine (3) is arranged in the intake pipe (1) of the internal combustion engine (2), which in the partial load range of the internal combustion engine (2) is driven by the intake pipe flow and supplies energy, for example to a vehicle battery (8), but at higher loads of the internal combustion engine (2) is driven, for example by the vehicle battery (8) and then acts as charger. This achieves the object of avoiding the losses of kinetic energy occuring in conventional throttle valve control with a low constructional outlay. ...

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04-03-2021 дата публикации

Turbolader mit elektrischer Rotationsmaschine einer Brennkraftmaschine

Номер: DE112006000639B4

Turbolader (1) mit einer elektrischen Rotationsmaschine (4), bei der ein Magnet (14) an einer Turbinenwelle (10) zwischen einer Turbine (6) und einem Verdichterlaufrad (8) angeordnet ist, so dass ein Rotor (12) der elektrischen Rotationsmaschine (4) an der Turbinenwelle (10) gebildet wird,wobei ein zylindrisches Element (20), an dem ein Magnethalter (21), der den Magnet (14) von einer äußeren Umfangsseite abdeckt, ein Endflächenabdeckabschnitt (23) zum Abdecken des Magneten (14) von einer Endflächenseite und ein Manschettenabschnitt (24), der an einem inneren Umfang eines Lagers (35) der Turbinenwelle (10) anzuordnen ist, miteinander integriert sind, an der Turbinenwelle (10) vorgesehen ist, undwobei Schmierflüssigkeit, die zu dem Lager (35) eingeführt wird, zwischen das Lager (35) und den Manschettenabschnitt (24) zugeführt wird,dadurch gekennzeichnet, dass das zylindrische Element (20) an seinem äußeren Umfang mit einem Schmierflüssigkeitsverteilungsabschnitt (23a) zum Verteilen der Schmierflüssigkeit ...

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06-10-2015 дата публикации

Elektromagnetisch angetriebener Verdichter

Номер: DE202014102996U1
Автор:
Принадлежит: WOCO INDUSTRIETECHNIK GMBH

Verdichter zur Verdichtung von einem Verbrennungsmotor zugeführter Verbrennungsluft, umfassend zumindest ein in einem Verdichtergehäuse drehbar angeordnetes Verdichterrad und zumindest einen ersten, elektromagnetischen Aktuator zur Drehung des Verdichterrades, dadurch gekennzeichnet, dass das Verdichtergehäuse ein Kunststoffmaterial umfasst.

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06-03-2008 дата публикации

Turbolader mit elektrischer Rotationsmaschine einer Brennkraftmaschine

Номер: DE112006000639T5

Turbolader mit einer elektrischen Rotationsmaschine, bei der ein Magnet an einer Turbinenwelle zwischen einer Turbine und einem Verdichterlaufrad angeordnet ist, so dass ein Rotor der elektrischen Rotationsmaschine an der Turbinenwelle gebildet wird, wobei ein zylindrisches Element, bei dem ein Magnethalter, der den Magnet von einer äußeren Umfangsseite abdeckt, und ein Manschettenabschnitt, der an einem inneren Umfang eines Lagers der Turbinenwelle anzuordnen ist, miteinander integriert sind, an der Turbinenwelle vorgesehen ist.

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31-07-2014 дата публикации

Leistungssteuerungssystem für ein Fahrzeug, in welchem ein Verbrennungsmotor mit Lader montiert ist

Номер: DE102004028713B4
Принадлежит: DENSO CORP, DENSO CORPORATION

Leistungssteuerungssystem (T) für ein Fahrzeug, umfassend: einen Lader (15, 25) zur Anhebung des Einlaßdrucks in einem Verbrennungsmotor des Fahrzeugs; eine elektrische Rotationsmaschine (11), die als Elektromotor zum Antrieb oder zur Unterstützung des Laders (15, 25) wenigstens im unteren Drehzahlbereich der elektrischen Rotationsmaschine (11) tätig ist; eine erste Speicherenergiequelle (12), die so gestaltet ist, daß sie fähig ist, die elektrische Rotationsmaschine (11) mit Energie zu versorgen; eine oder mehrere andere bordeigene elektrische Einrichtungen (21) als die elektrische Rotationsmaschine (11), wobei diese Einrichtungen auf dem Fahrzeug angebracht sind; eine zweite Speicherenergiequelle (22), die so gestaltet ist, daß sie fähig ist, die bordeigenen elektrischen Einrichtungen (21) mit Energie zu versorgen; einen Hauptgenerator (23), der so gestaltet ist, daß er sowohl die bordeigenen elektrischen Einrichtungen (21) als auch die zweite Speicherenergiequelle (22) mit Energie versorgen ...

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21-06-2018 дата публикации

Antriebsvorrichtung für ein Kraftfahrzeug

Номер: DE102016225098A1
Принадлежит:

Die Erfindung betrifft eine Antriebsvorrichtung (1) für ein Kraftfahrzeug, mit einem Verbrennungsmotor (2) und mit einer dem Verbrennungsmotor (2) zugeordneten Verdichtereinrichtung, wobei die Verdichtereinrichtung zumindest einen Verdichter (16), der in einem zu dem Verbrennungsmotor (2) führenden Frischluftkanal (10) angeordnet ist, und eine mit dem Verdichter (16) gekoppelte oder koppelbare Elektromaschine (17) aufweist, und mit einem an dem Frischluftkanal (10) abzweigenden und an dem Verdichter (16) vorbei zu dem Verbrennungsmotor (2) führenden und ein Bypass-Ventil (12) aufweisenden Bypass-Kanal (11). Es ist vorgesehen, dass dem Verdichter (16) in dem Frischluftkanal (10) stromabwärts der Abzweigung (13) ein Ladeluftkühler (15) vorgeschaltet ist.

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08-09-2016 дата публикации

Verfahren zum Betrieb einer Brennkraftmaschine mir einem elektrischen Turbolader

Номер: DE102015204051A1
Принадлежит:

Die Erfindung betrifft ein Verfahren zum Betrieb einer Brennkraftmaschine (4) mit einem elektrischen Turbolader (6), mit den Schritten: Erfassen, ob die Brennkraftmaschine (4) in einem Saugbetriebsmodus betrieben wird, und Erzeugen eines Gegendrucks mit dem Turbolader (6), wenn die Brennkraftmaschine in dem Saugbetriebsmodus betrieben wird. Ferner betrifft die Erfindung eine Motorbaugruppe (2) mit einer Brennkraftmaschine (2) mit einem elektrischen Turbolader (6) und ein Kraftfahrzeug, insbesondere PKW, mit einer derartigen Motorbaugruppe (2).

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17-11-2016 дата публикации

Brennkraftmaschine mit Abgasturboaufladung und Abgasrückführung

Номер: DE102015208958A1
Принадлежит:

Die Erfindung betrifft eine aufgeladene Brennkraftmaschine (1) mit – mindestens einem Zylinder, – einem Ansaugsystem (2) zum Zuführen von Ladeluft zu dem mindestens einen Zylinder, – einem Abgasabführsystem (3) zum Abführen von Abgas aus dem mindestens einen Zylinder, – mindestens einem Abgasturbolader (4), der eine im Abgasabführsystem (3) angeordnete Turbine (4a) und einen im Ansaugsystem (2) angeordneten Verdichter (4b) umfasst, und – mindestens einer Abgasrückführung (6), die eine Leitung (6a) umfasst, welche vom Abgasabführsystem (3) abzweigt und in das Ansaugsystem (2) mündet. Es soll eine aufgeladene Brennkraftmaschine (1) bereitgestellt werden, die hinsichtlich der Abgasrückführung (6) verbessert ist und mit der insbesondere hohe Rückführraten realisiert werden können. Gelöst wird diese Aufgabe durch eine aufgeladene Brennkraftmaschine (1) der genannten Art, die dadurch gekennzeichnet ist, dass – in der Leitung (6a) zur Abgasrückführung (6) ein Abgasturbolader (8) vorgesehen ist ...

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22-12-2016 дата публикации

Abgasturboaufgeladene Brennkraftmaschine mit Teilabschaltung und Zusatzverdichter und Verfahren zum Betreiben einer derartigen Brennkraftmaschine

Номер: DE102015211229A1
Принадлежит:

Aufgeladene Brennkraftmaschine (10) mit min. einem Zylinderkopf umfassend min. drei Zylinder (1, 2, 3, 4), bei der – jeder Zylinder (1, 2, 3, 4) min. eine Einlassöffnung aufweist, – jeder Zylinder (1, 2, 3, 4) min. eine Auslassöffnung aufweist, – min. ein Abgasturbolader (7) vorgesehen ist, – min. drei Zylinder (1, 2, 3, 4) in der Art konfiguriert sind, dass diese min. zwei Gruppen mit jeweils min. einem Zylinder (1, 2, 3, 4) bilden, wobei der min. eine Zylinder (1, 4) einer ersten Gruppe ein auch bei Teilabschaltung der Brennkraftmaschine (10) in Betrieb befindlicher Zylinder (1, 4) ist und der min. eine Zylinder (2, 3) einer zweiten Gruppe als lastabhängig schaltbarer Zylinder (2, 3) ausgebildet ist, und – die Abgasleitungen der min. drei Zylinder (1, 2, 3, 4) mit der Turbine (7a) des min. einen Abgasturboladers (7) verbunden ist, dadurch gekennzeichnet, dass ein elektrisch antreibbarer Verdichter (8) im Ansaugsystem (5) angeordnet ist, wobei – dieser elektrisch antreibbare Verdichter ...

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31-01-2019 дата публикации

Verfahren und System zur Partikelfilterregeneration

Номер: DE102018117913A1
Принадлежит:

Es sind Verfahren und Systeme zum Beschleunigen der Abgaspartikelfilterregeneration vorgesehen. In einem Beispiel kann eine Motorsteuerung eine Exotherme an dem Filter dadurch erzeugen, dass Motorzylinder mit einem Luft-Kraftstoff-Ungleichgewicht betrieben werden, während sie die elektrische Unterstützung für einen Turbolader verwendet, um einen Drehmomentbedarf zu erfüllen und einen Ansaugluftstrom zu erhöhen, um den Effekt der Exotherme zu verbessern. Sobald der Filter erhitzt wurde, kann der Filter dadurch regeneriert werden, dass über eine Luftpumpe zusätzliche Luft in die Abgase strömen gelassen wird und zusätzlicher Kraftstoff über eine Abgaseinspritzvorrichtung in einen Abgaskanal eingespritzt wird.

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13-02-2020 дата публикации

Elektrische Antriebsmaschine für einen Verdichter und/oder eine Turbine, Turbolader und/oder Turbine

Номер: DE102018213574A1
Принадлежит:

Es wird eine elektrische Antriebsmaschine (12) für einen Verdichter (14) und/oder eine Turbine (10), insbesondere für einen Abgasturbolader einer Brennkraftmaschine, vorgeschlagen. Die Antriebsmaschine (12) umfasst einen Rotor (28), wobei der Rotor (28) eine Rotorwelle (30) und einen Permanentmagneten (32) aufweist, wobei die Rotorwelle (30) zum Befestigen an einer Welle (20) des Verdichters (14) und/oder der Turbine (16) ausgebildet ist, wobei die Rotorwelle (30) eine Drehachse (34) des Rotors (28) definiert, und einen Stator (36), der zumindest eine mehrphasige Antriebswicklung (38) zur Erzeugung eines Antriebsmagnetfelds aufweist, wobei der Stator (36) ein Statorjoch (40) und mehrere Statorzähne (42) aufweist, wobei sich die Statorzähne (42) in Richtung zu dem Rotor (28) erstrecken, wobei die Statorzähne (42) jeweils zumindest einen Abschnitt (46) aufweisen, der relativ zu einer Ebene (48) senkrecht zu der Drehachse (34) geneigt ist.

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15-11-2001 дата публикации

Motor vehicle hybrid drive has controller that regulates charging pressure depending on operating conditions, limits charging pressure by regulating electrical power of electrical machine

Номер: DE0010022113A1
Принадлежит:

The drive has an internal combustion engine and at least one electrical machine as a drive source, at least one electrical accumulator and an electronic controller that regulates the engine charging pressure depending on defined operating conditions and limits the charging pressure produced by an exhaust gas turbocharger by regulating the electrical power of a second electrical machine(s). The drive has an internal combustion engine (6) and at least one electrical machine (8) as a drive source, at least one electrical accumulator (14) and an electronic controller (10) for automatically operating the machine as a motor or generator. At least one exhaust gas turbocharger (16) feeds fresh gas to the engine for combustion. At least one second machine (32) operable as a generator has a drive connection to the turbocharger's shaft (22), is electrically coupled to the accumulator to supply current and has a control connection to the controller. The controller regulates the engine charging pressure ...

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26-04-2007 дата публикации

Power supply system for mobile work spaces, has means for keeping power output of diesel engine with consideration of varying external conditions constant such as air pressure and temperature by variable loading

Номер: DE102005045524A1
Принадлежит:

Power supply system has a diesel engine as primary energy converter. The means are present for keeping the power output of the diesel engine with consideration of varying external conditions constant such as air pressure and temperature by variable loading.

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05-12-2012 дата публикации

Means for controlling the heat and pressure of exhaust gases in the exhaust system of an internal combustion engine

Номер: GB0002491458A
Принадлежит:

Means for controlling the condition, such as heat and pressure, of exhaust gases from an internal combustion engine in the exhaust system of an engine are disclosed. The means comprises at least one adiabatic engine, which may be either a turbine 6 or rotary Wankel engine, located in the exhaust system, means for varying the speed of the adiabatic engine, means for bypassing the adiabatic engine, bypass valve 7 and means for controlling the means for varying the speed and the bypassing means based on the output of sensors which detect parameters that are indicative of the exhaust gas condition. The arrangement controls the back pressure and hence heat in the exhaust system between the adiabatic engine and the internal combustion engine. A catalytic convertor is located in the exhaust tract downstream of the engine and upstream of the adiabatic engine and the arrangement can therefore be used to effectively control the temperature of the exhaust gas reaching the catalytic convertor so that ...

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14-01-2015 дата публикации

An electric supercharger having a protected bearing assembly

Номер: GB0002516060A
Принадлежит:

An apparatus (3, fig.1) for supplying an IC engine (1, fig.1) with a compressed air charge, comprising a turbocharger (5, fig.1) and an electric supercharger (9, fig.1) downstream of the turbocharger. The supercharger 9 comprises, a compressor element 14, a drive shaft 13, an electric drive assembly (10, fig.2) for driving the compressor element 14, and a seal 29a and 29b around the drive shaft 13. A bearing assembly 16 is located downstream of the seal and the apparatus comprises a venting conduit (31, fig.2) arranged to convey leakage flow which leaks through the seal away from the bearing assembly 16 of the supercharger 9 to a region which, when in use, is at a lower pressure than the inlet such that the leakage flow is drawn along the venting conduit by the pressure gradient between the inlet and outlet of the venting conduit.

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11-12-2013 дата публикации

Exhaust turbine throttled normally aspirated and turbocharger throttled turbocharged eco-boost type engines

Номер: GB0201318956D0
Автор:
Принадлежит:

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23-09-2015 дата публикации

Method of operating a turbocharged automotive system

Номер: GB0201514122D0
Автор:
Принадлежит:

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04-07-2012 дата публикации

Exhaust throttling at low ambient temperatures, of engines having intake air expansion cooling throttling systems.

Номер: GB0201209150D0
Автор:
Принадлежит:

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03-08-2011 дата публикации

Controller

Номер: GB0201110558D0
Автор:
Принадлежит:

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24-03-2010 дата публикации

Decoupled gas turbine generator

Номер: GB0201001921D0
Автор:
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10-12-1931 дата публикации

Improvements relating to the supercharging of internal combustion engines

Номер: GB0000362637A
Автор:
Принадлежит:

... 362,637. Pumps. OGG, J. H., 5, Coltbridge Avenue, Murrayfield, Edinburgh. Nov. 17, 1930, No. 34519. [Class 7 (ii).] A fan 2 between the engine and carburetter C is driven by an electric motor M in whose supply circuit is a hand switch Sand a second switch 8, 11, which is closed conjointly with the opening of the carburetter throttle 13. The motor is mounted between a pair of pipes 1 forming the delivery from the carburetter. As shown the fan is housed in a chamber 3 near the induction manifold, but this chamber and fan may be placed at the lower end of the pipes 1 directly above the carburetter.. The pipes 1, motor &c. may be arranged horizontally.

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28-02-1996 дата публикации

Turbocharged internal combustion engine arrangement

Номер: GB0002292587A
Принадлежит:

A turbocharger 2, 3 internal combustion engine (40) is provided with a combustion chamber 7 to provide extra exhaust gas to drive the turbine 2. The turbocharger is coupled to a motor/generator 4 which can be used as a motor for starting and as a generator during normal running. A turbine 20 downstream of the turbine 2 may assist drive of the motor/generator 4. A further turbocharger (23, 24, Fig. 4) may be flow connected in series with the turbocharger 2, 3 and the combustion chamber 7 and motor/generator 4 may be associated with another turbine/compressor unit (20, 30). ...

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08-02-2006 дата публикации

Compressor arrangement with intercooler and air bearings

Номер: GB0002416806A
Принадлежит:

A compressor arrangement comprises first and second centrifugal compressor stages 2, 15 mounted on a common shaft 16 with a high speed electric motor 8-12. An intercooler (21 figure 2) receives and cools compressed air from the first compressor stage 2. The motor 8-12 is in a sealed casing, which is connected to the intercooler (21) at one end and to an inlet of the second compressor stage 15 at the other, such that air from the intercooler (21) flows through and cools the motor before entering the second stage compressor. The shaft may be mounted on air bearings supplied with a purging flow of filtered compressed air from an outlet of the compressor. A controller may be used to slow motor speed and cause a valve to divert air to a bypass line when a predetermined pressure is reached in a reservoir.

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11-06-2008 дата публикации

Induction System for an Engine

Номер: GB0002444603A
Принадлежит:

A forced induction system 10 for an engine 18 comprises a compressor 50 for increasing the pressure of gas into the engine and a turbine 12 arranged to be driven by engine exhaust gas. A generator 24 is arranged to be driven by the turbine and a motor 42 is arranged to drive the compressor, wherein the generator and motor are electrically connected. An electrical control means 29 is arranged to receive the electrical signal output by said generator during operation and to apply an AC control signal to said electric motor, whereby the compressor is driven at least in part by an output torque of the turbine via the electrical connection there between. Preferably the compressor/motor and turbine/generator are separate units with the controller being capable of controlling the speed of the compressor independently. Additionally the controller is capable of controlling the storing of energy from the generator and from a crankshaft generator 32, 34. Preferably the motor/generator is a permanent ...

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02-12-2015 дата публикации

Electric rotor fit onto a turbomachine shaft

Номер: GB0002526713A
Принадлежит:

By relieving the shaft of an electronically-controlled turbocharger (ECT) in a central region of where a rotor of an electric machine couples with the shaft eases assembly of the electric machine onto the shaft. On either side of the relieved section, the fit between the shaft and the rotor may be a slip fit or an interference fit. Alternatively, the rotor is relieved in a central section. In some embodiments, the shaft is welded to the rotor. In yet other embodiments, the outside of the shaft and the inside of the rotor are threaded with a nut or a pin to secure the shaft to the rotor or the rotor itself has threads to engage with threads on the shaft. Such arrangements ease assembly and allow adjustment of dynamic characteristics of the rotor system.

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24-08-2016 дата публикации

Air induction apparatus and method

Номер: GB0002535483A
Принадлежит:

The invention relates to improvements in diesel engine start speed response immediately after a shutdown request causes inlet manifold air pressure depression to below atmospheric pressure. The invention provides a diesel engine air induction apparatus 39 comprising an inlet conduit 34, an inlet flow valve or intake throttle 33 and at least one or more controllable boost device, such as an electric supercharger 30. Wherein when an engine restart request is made after an engine shutdown request is initiated and that shutdown causes the flow restrictor 30 to restrict the airflow, causing inlet pressure depression. Then at least one controllable boost device is controlled by a controller 50 to increases the inlet air pressure. The improved boost pressure being available increases the amount of air available to the engine cylinder thus allowing more fuel to be injected and more power being generated leading to a faster acceleration of the engine speed.

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04-07-2018 дата публикации

An electric supercharger having a radial flow compressor Assembly

Номер: GB0002557909A
Принадлежит:

A reconfigurable radial flow compressor assembly 3 for an electric supercharger 1 has a vaned insert 22 releasable attached in the diffuser 13 between the compressors wheel 5 and a volute 10 leading to the outlet. The configuration allows the diffuser to be interchangeable between a vaned and non-vaned configuration. Cartridges with and without guide vanes are also disclosed. The walls of either the vaned or non-vanned insert may form part of the diffuser passage 14 together with an opposite surface wall of the diffuser. Vanes are provided in the diffuser to improve the flow characteristics, for example choke and surge, of the compressor. The reconfigurable compressor increases the scope of application over conventional compressors and optimises the manufacturing process. A kit of parts, electrical supercharger, engine system, method of operation and method of manufacture relating to the compressor are also disclosed.

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19-08-2015 дата публикации

Intake system in particular for a an internal combustion engine of a vehicle

Номер: GB0002523262A
Принадлежит:

An intake system 1, for an internal combustion engine of a vehicle, the intake system 10 comprising a tube 12 bounding, at least one first air flow duct 14, the first duct 14 being arranged on a first side 16 of the tube 12, and at least one second air flow duct 18, the second duct 18 being arranged on an opposite second side 20 of the tube 12. A fan (fig.3, 21) with a plurality of blades 24 which are arranged in the second duct 18 and configured to convey air flow through the second duct 18. The fan (21) being rotatable in relation to the tube 12 about a rotation axis 28, preferably by a motor 30, thereby conveying the air through the second duct 18. The second duct 18, containing the fan (21), is preferably surrounding tube 12 and the first duct 14, and also has a shutter device 50 to open or close the second duct 18.

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30-05-2007 дата публикации

Variable Speed Positive Displacement Superchargers Plus Air-Cycle Refrigerated Boosted Intercooling

Номер: GB0000707545D0
Автор:
Принадлежит:

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02-02-2022 дата публикации

Exhaust-gas turbocharger and motor vehicle

Номер: GB0002597603A
Принадлежит:

A supercharging system comprising exhaust-gas driven axial turbines 19 driving an electrical generator 17 and an electric motor 18 driving a compressor 14. The axial turbines drive the generator; the generator provides a feed to the electric motor; and the electric motor drives the compressor. The motor and generator forming an electric machine (17 & 18). The axial turbines may each comprise a turbine housing configured so the turbine wheels are impinged on by flow in opposite directions along a common output shaft to a common exhaust-gas outlet. This allows the speed of turbine and compressor to be set independently of one another at respectively optimum operating points. Furthermore, to improve energy extraction from the exhaust gas, any bypass-valve can be closed, and all the exhaust gas can be conducted via the turbines. The invention also provides a corresponding motor vehicle.

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27-01-2016 дата публикации

An engine bay arrangement comprising two electric superchargers and a method of selecting an electric supercharger for an engine bay

Номер: GB0201522010D0
Автор:
Принадлежит:

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15-09-2007 дата публикации

TO AN ENGINE/CGENERATOR UNIT OF COUPLED LOADERS

Номер: AT0000370314T
Принадлежит:

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15-04-2010 дата публикации

LOADED DIESEL ENGINES

Номер: AT0000463662T
Принадлежит:

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15-09-2017 дата публикации

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

Номер: AT0000518258B1
Принадлежит:

Die Erfindung betrifft ein Verfahren zum Betreiben einer Brennkraftmaschine (1) mit einem Einlasssystem (3) und einem Auslasssystem (4), insbesondere zum Antrieb eines Kraftfahrzeuges, wobei ein erster Verdichter (10) über eine Welle vom Abgas und ein zweiter Verdichter (13) elektrisch, mechanisch oder hydraulisch angetrieben wird, wobei der zweite Verdichter (13) und der erste Verdichter (10) nacheinander in einem Einlassstrang (11) des Einlasssystems (3) von Frischluft durchströmt werden. Die Bremsleistung (PB) kann erhöht werden, wenn in zumindest einem Motorbremsbetrieb der Brennkraftmaschine (1) der zweite Verdichter (13) aktiviert wird und der Strömungsquerschnitt in zumindest einem Abgasstrang (7) des Auslasssystems (4) - vorzugsweise bis auf einen definierten effektiven Restströmungsquerschnitt (Aeff) -verringert wird.

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15-09-2014 дата публикации

Brennkraftmaschine mit mehreren Zylindern

Номер: AT0000514054A1
Принадлежит:

The invention relates to an internal combustion engine (1) comprising: a plurality of cylinders (Z); an exhaust gas recirculation system (2) which has an exhaust gas recirculation duct (19) between an outlet system (3) and an inlet system (4) and at least one turbocharger (5); and an electrically operated compressor (22) which is arranged in an air/EGR flow path (30) and through which, controlled by at least one valve (21), fresh air and/or recirculated exhaust gas can optionally flow. The inlet system (4) comprises at least one inlet manifold (16) which is fluidically connected to a fresh-air flow path (9a, 9b, 9c) and from which at least one inlet port (18) leading to at least one cylinder (Z) extends. The aim of the invention is to provide a corresponding engine with reduced fuel consumption and/or emissions in all operating ranges and with equal and high charge dilution for all cylinders in a simple manner. According to the invention, a first valve (21), which is preferably a simple ...

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15-10-2017 дата публикации

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

Номер: AT0000518431B1
Принадлежит:

Die Erfindung betrifft ein Verfahren zum Betreiben einer Brennkraftmaschine mit mehreren Zylindern (Z) eines Kraftfahrzeuges, bei der in zumindest einem ersten Motorbetriebsbereich Abgas über zumindest ein Abgasrückführventil (21), eine Abgasrückführleitung (19) und einen Luft/EGR-Strömungsweg (30) von einem Auslasssystem (3) zu einem Einlasssystem (4) geführt wird, und im ersten (M1) oder zumindest einem weiteren Motorbetriebsbereich Frischluft aus einem ersten Frischluftströmungsweg (9a) über einen zweiten Frischluftströmungsweg (9b) in den Luft/EGR-Strömungsweg (30) geleitet wird. Um auf möglichst einfache Weise Leistungseinbußen bei plötzlichen Lastanforderungen zu vermeiden ist vorgesehen, dass in zumindest einem - vorzugsweise transienten - Motorbetriebsbereich (MT) ein Spülmodus (Ms) gestartet wird, bei dem der Luft/EGR-Strömungsweg (30) mit Frischluft gespült wird, wobei zu Beginn des Spülmodus (Ms) das Abgasrückführventil (21) geschlossen ist oder geschlossen wird.

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15-05-2021 дата публикации

BRENNKRAFTMASCHINE

Номер: AT523038A4
Принадлежит:

Die Erfindung betrifft eine Brennkraftmaschine (1) und ein Verfahren zum Betrieb dieser, mit zumindest einem Abgasturbolader, der einen Verdichter (2) sowie eine mit dem Verdichter (2) über eine gemeinsame Welle (7) verbundene Turbine (6) aufweist und mit zumindest zwei Gruppen (G) von Zylindern (Z), die mit einem Einlassstrang (E) und je einem Auslassstrang (A1, A2) verbunden sind. Aufgabe der vorliegenden Erfindung ist es eine Möglichkeit zur Verringerung des Turbolochs für Bremsmanöver anzugeben. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass der ersten Gruppe von Zylindern (Z) ein erster Auslassstrang (A1) und der zweiten Gruppe von Zylindern (Z) ein zweiter Auslassstrang (A2) zugeordnet sind, über die die beiden Gruppe (G) jeweils mit der Turbine (6) strömungsverbindbar ist und dass in jedem Auslassstrang (A1, A2) zumindest ein Sperrelement (4) in Strömungsrichtung vor einem Eintritt (12) der Turbine (6) angeordnet ist.

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15-12-2011 дата публикации

COMBUSTION ENGINE WITH ONLY ONE CRANKSHAFT AND OPPOSITE CYLINDERS WITH OPPOSITE PISTONS

Номер: AT0000535693T
Принадлежит:

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15-03-2019 дата публикации

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE FOREIGNIGNITED

Номер: AT0000520321A4
Принадлежит:

Die Erfindung betrifft ein Verfahren zum Regeln des Betriebes einer fremdgezündeten Brennkraftmaschine (1), wobei die Ansaugluft abhängig vom Betriebsbereich der Brennkraftmaschine (1) mittels eines Verdichters eines Abgasturboladers (5) und eines elektrischen Laders (11) verdichtet wird und mit zumindest einer Drosselklappe (TH) gesteuert wird, wobei der Schließzeitpunkt (ES) zumindest eines Einlassventils (15) abhängig vom Betriebsbereich der Brennkraftmaschine (1) verstellt wird, und wobei Abgas mittels eines Umgebungsventils (WG) abhängig vom Betriebsbereich der Brennkraftmaschine (1) an der Abgasturbine (8) des Abgasturboladers (5) vorbeigelenkt wird. Eine einfache Regelung des Betriebes der Brennkraftmaschine (1) lässt sich erzielen, wenn die Brennkraftmaschine (1) im Leerlauf und/oder bei Teillast im Miller-Kreisprozess mit zumindest teilweise geschlossener Drosselklappe (TH), geöffnetem Umgehungsventil (WG) und deaktiviertem elektrischen Lader (11) betrieben wird und im Falle einer ...

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15-01-2014 дата публикации

Fahrzeug

Номер: AT0000512808B1
Принадлежит:

The invention relates to a vehicle having a drive unit (1) which has an internal combustion engine (2), wherein the internal combustion engine (2) has an exhaust-gas turbocharger (5) with an exhaust-gas turbine (5a) in the outlet system and a charge-air compressor (5b) in the inlet system (3), having at least one thermal power unit (30) for recovering heat from a heat-emitting component or a heat-emitting assembly, wherein the component or the assembly adjoins at least one chamber (6) through which a working gas flows, having a first compressor (9) and having a first turbine (10), wherein a first outlet side (9b) of the first compressor (9) is connected in terms of flow to an inlet region (7) of the chamber (6), and a second outlet side (9c) of a second compressor (9'), which is driven by the first turbine (10), or a second outlet side (9d) of the first compressor (9) is connected in terms of flow to the inlet system (3), and wherein the heat-emitting component or the heat-emitting assembly ...

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15-05-2014 дата публикации

Verbrennungsmotor

Номер: AT0000513493A4
Принадлежит:

The engine (1) has a compressor (6) i.e. exhaust-driven turbocharger, provided with a combustion chamber (3), which supplies air or air fuel mixture via an inlet pipe (4). A secondary spacer (14) is opened between the compressor and the combustion chamber for supplying secondary air or secondary air fuel mixture standing under pressure into the pipe. An auxiliary compressor (8) i.e. root auxiliary compressor, is arranged between an opening of the secondary spacer into the pipe and the compressor. The secondary spacer is attached to a pressure reservoir (15) over a control valve (16).

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15-12-2013 дата публикации

Brennkraftmaschine

Номер: AT0000512890B1
Принадлежит:

Die Erfindung betrifft eine Brennkraftmaschine (1) mit einem eine Abgasrückführleitung (19) zwischen einem Auslasssystem (3) und einem Einlasssystem (4) aufweisenden - insbesondere als Hochdruckabgasrückführsystem ausgebildeten - Abgasrückführsystem (2), mit einem in einem Luft/EGR -Strömungsweg (30) angeordneten, elektrisch betriebenen Verdichter (22), welcher, gesteuert durch zumindest ein Ventil (21), wahlweise mit Frischluft und/oder rückgeführtem Abgas durchströmbar ist, wobei das Einlasssystem (4) zumindest einen mit einem Frischluftströmungsweg (9a, 9b, 9c) strömungsverbundenen Einlasssammler (16) aufweist, von welchem zumindest ein zu mindestens einem Zylinder (Z) führender Einlasskanal (18) ausgeht. Um auf möglichst einfache Weise Kraftstoffverbrauch und/oder Emissionen in allen Betriebsbereichen zu verringern und eine für alle Zylinder gleiche und hohe Ladungsverdünnung zu ermöglichen, ist vorgesehen, dass der Luft/EGR-Strömungsweg (30) stromabwärts des elektrischen Verdichters ...

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15-03-1999 дата публикации

PROCEDURE AND DEVICE FOR THE OVERCOMING OF THE DELAY OF A TURBOCHARGER

Номер: AT0000176947T
Принадлежит:

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15-06-2006 дата публикации

ENGINE COMPRESSOR AGGREGATE FOR MOTOR VEHICLES

Номер: AT0000327438T
Принадлежит:

Подробнее
15-09-2006 дата публикации

PROCEDURE FOR PROPELLING A TURBOCHARGER

Номер: AT0000337479T
Принадлежит:

Подробнее
15-08-2001 дата публикации

DRIVE UNIT OF A VEHICLE AND AN EQUIVALENT REGULATION PROCEDURE

Номер: AT0000203583T
Принадлежит:

Подробнее
03-08-1998 дата публикации

Motor-driven centrifugal air compressor

Номер: AU0005693898A
Принадлежит:

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24-11-2016 дата публикации

Internal combustion engine with asymmetric port timing

Номер: AU2013350310B2
Принадлежит: EKM patent & trade marks

An internal combustion engine enabling asymmetric port timing has an engine mechanism including a crankshaft having a crankpin to which each piston of an opposed pair of pistons is connected and by which the pistons are reciprocatable in a respective one of axially inline cylinders. The mechanism also includes a crosshead having opposite ends on each of which a respective piston is mounted, and a coupling between the crosshead and the crankpin by which the pistons are caused to oscillate circumferentially as the pistons are driven to reciprocate.

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23-12-1999 дата публикации

Fuel supply system for automotive engines

Номер: AU0000714302B1
Принадлежит:

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31-01-2002 дата публикации

Improved internal combustion engine and working cycle

Номер: AU0000743600B2
Принадлежит:

Подробнее
20-02-1986 дата публикации

SUPPLYING FUEL AND AIR TO AN INTERNAL COMBUSTION ENGINE

Номер: AU0003446884A
Автор: NAME NOT GIVEN
Принадлежит:

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27-03-1990 дата публикации

APPARATUS FOR RECOVERING THERMAL ENERGY FROM ENGINE

Номер: CA0001266984C
Принадлежит: OSLER, HOSKIN & HARCOURT LLP

ABSTRACT OF THE DISCLOSURE An apparatus for recovering thermal energy from an engine of a motor vehicle has a first rotary machine coupled to a turbocharger mounted on the engine, a second rotary machine coupled to an exhaust turbine disposed in an exhaust system of the engine, and a third rotary machine mounted on an axle of the motor vehicle. The apparatus also includes respective means for detecting an engine rotational speed, an engine load, and an engine boost pressure. The first, second, and third rotary machines are controlled on the basis of signals from these means for effective utilization of the energy of an exhaust gas discharged from the engine.

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17-07-2018 дата публикации

METHOD OF USING A BYPASS VALVE

Номер: CA0002801773C
Принадлежит: ORBITAL TRACTION, LTD., ORBITAL TRACTION LTD

A method of controlling a pump (43), including operating an engine (23) having an engine intake (49) coupled to a pump output (51) of a pump, and a transmission (41) coupled to the engine and to the pump, and operating a valve (58) between a pump input of the pump and the engine intake, such that the valve can be opened during a ratio change of the transmission.

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22-12-2013 дата публикации

TURBOCHARGER EMBEDDING AN ELECTRICAL MACHINE WITH A DC COIL

Номер: CA0002819529A1
Принадлежит:

An electrical machine (20) coupled to a compressor (12) having a rotatable shaft (16), comprising: a rotor forming part of the rotatable shaft and having at least two magnetic portions (22A, 22B) separated by an inclined non-magnetic portion (24) and two elements (26A, 26B) of non-magnetic material at each end of the rotatable shaft, a stator comprising a laminate magnetic iron stack (28) surrounded by a winding (30) and disposed along a periphery of the rotor to define a first annular gap (32), a ring (34) of non-magnetic material disposed around the stator, a DC coil (38) disposed around the non-magnetic ring, and a casing (40) of magnetic material disposed around the DC coil and having radial walls (40A, 40B) that project inwardly towards the rotor by defining a second annular gap (42) therebetween.

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25-05-1990 дата публикации

FUEL AND AIR INDUCTION STRUCTURE AND MECHANISM FOR INTERNAL COMBUSTION ENGINES

Номер: CA0002003801A1
Принадлежит:

Docket 4438 of The Disclosure Structure and a method for introduction of a mixture of fuel and air into the combustion chambers of an internal combustion engine which has a plurality of combustion chambers. Each combustion chamber having an intake port region which leads to the combustion chamber. The structure has an inlet manifold which has fluid communication with the intake port region of each of the combustion chambers. The structure also has an outlet manifold which has fluid communication with the intake port region of each of the combustion chambers. A fluid pump forces continuous circulation of the mixture of fuel and air flows from one manifold to the other manifold as the two manifolds are arranged in series relationship. Thus, at any given period of time, the same quantity and the same composition of fuel and air is available at all of the combustion chambers, and engine operation is enhanced. The structure also includes fluid conduit members which direct the mixture of fuel ...

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15-03-1940 дата публикации

Brennkraftmaschinenanlage mit Sauggasgenerator.

Номер: CH0000209011A
Принадлежит: SCINTILLA AG, SCINTILLA A.-G.

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31-08-1971 дата публикации

Aufgeladene mehrzylindrige Zweitakt-Kolbenbrennkraftmaschine

Номер: CH0000512007A
Принадлежит: ZAKON TSADOK, ZAKON,TSADOK

Подробнее
31-08-1978 дата публикации

Номер: CH0000603997A5

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31-12-1985 дата публикации

Method for the supercharging of internal combustion engines

Номер: CH0000653411A5
Принадлежит: IVO SCHUMACHER

Since supercharged internal combustion engines frequently cannot be supplied with sufficient air in the lower speed range, the exhaust gas energy is used to drive a gas turbine (3), which in turn generates current. The generated current is used either directly to drive the compressor (8) or partially stored in an accumulator (6). The advantage is to be seen on the one hand in utilisation of the exhaust gas energy and on the other in an optimum air supply at all times even in the lower speed range. ...

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15-10-2014 дата публикации

Drive System.

Номер: CH0000707886A1
Принадлежит:

Die Erfindung betrifft ein Antriebssystem mit einem Verbrennungsmotor (1), einem Abgasturbolader (2) aus einer Turbine (4) und einem von der Turbine angetriebenen Verdichter (3), und mit einem Turbogenerator (5), wobei der Turbogenerator (5) parallel zur Turbine (4) des Abgasturboladers im Abgasstrang (11) des Verbrennungsmotors angeordnet ist.

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31-12-2014 дата публикации

Drive unit for the operation of a vehicle.

Номер: CH0000704652B1
Принадлежит: KEYMOUNT GMBH

Die Erfindung betrifft Anordnung und Regelung eines luftaufgeladenen Parallel-Hybridantriebes für Fahrzeuge mit Abgasturbine. Die Antriebseinheit beinhaltet: Eine über Kupplung (21) und Getriebe (22) mit der Antriebswelle (23) verbundene, unbestimmte Verbrennungskraftmaschine (2) mit Ladeluftkompression, ferner einen parallel mit der Antriebswelle (23) mechanisch permanent verbundenen Elektromotor/Generator (25), darüber hinaus eine ausschliesslich einen Stromgenerator (30) antreibende Abgasnutzturbine (26), und ferner einen rein elektrisch betriebenen Ladeluftverdichter (16). Ein Steuergerät (32) kontrolliert als zentrale Steuer- und Regeleinrichtung Strom-, Kraft-, Brennstoff- und Luftflüsse basierend auf Sensorsignalen, charakteristischen Kennlinien wie auch direkten (79) und indirekten (35, 36, 37) Vorgaben des Fahrzeuglenkers. Die Regelung steuert im Weiteren spezielle Bremsbetriebe zwecks Energierückgewinnung und erlaubt mittels Bedienelementen (79) die willkürliche Lastverteilung ...

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28-09-2012 дата публикации

Drive unit for the enterprise of a vehicle.

Номер: CH0000704652A1
Автор: MUENTENER KURT
Принадлежит:

Eine Antriebseinheit (1) für den Betrieb eines Fahrzeuges ist mit a) einer eine Antriebswelle (20) antreibenden, mit Ladeluft aufladbaren Verbrennungskraftmaschine (2) versehen, b) einer der Verbrennungskraftmaschine (2) nachgeschalteten Abgas-Nutzturbine (26) zum Betrieb eines elektrischen Generators (30), c) dessen (30) erzeugter Strom in eine, vorzugsweise aus einem externen Stromnetz, z.B. über einen Gleichrichter (76), aufladbaren, Batterie (31) zur zwischenzeitlichen Speicherung einspeisbar ist, und d) einem mit dem vom Generator (30) erzeugten Strom betreibbaren Elektromotor (25), e) der mit der Antriebswelle (20) über ein Getriebe (22) verbunden ist. Erfindungsgemäss ist das Untersetzungsgetriebe (22) f) eines mit variablen Abgangsdrehzahlen, g) dem Getriebe (22) ist ein Kupplungsglied (21) zugeschaltet, h) die Ladeluft für die Verbrennungskraftmaschine ist von einem mittels eines weiteren Elektromotors (17) antreibbaren Fördermittel (16), vorzugsweise einem Verdrängerverdichter ...

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07-06-2012 дата публикации

Vehicle Comprising a Charged Combustion Engine and Method for Operating a Vehicle Comprising a Charged Combustion Engine

Номер: US20120137681A1
Принадлежит: Bayerische Motoren Werke AG

A vehicle includes an internal-combustion engine for driving a drive train of the vehicle, at least one charger for increasing the pressure of the air supplied to the internal-combustion engine and an electrical machine which can be or is coupled to the charger in a torque-transmitting manner and is provided for driving or supporting the drive of the charger. The drive train can be or is coupled with the electrical machine in a torque-transmitting manner.

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04-10-2012 дата публикации

Hose Clamp with Wrap-Around Hose Clamp Positioner

Номер: US20120246882A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A hose clamp for forming an air tight seal between a hose and a connector projecting from a housing of an air cooler of a vehicle. The hose clamp including a band which encircles the hose at a location where the hose and the connector overlap and has an adjustable diameter. The hose clamp positioned by a wrap-around hose clamp positioner. The wrap-around hose clamp positioner including flat portions, which contact the outer surface of the hose, and a raised portion where the band passes through a space of the raised portion. The wrap-around hose clamp positioner further including a wrap-around portion and a crimp tab, the wrap-around portion extending over a lip edge of the hose such that the crimp tab pierces through at least the inner surface of the hose.

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25-10-2012 дата публикации

Dual power input fluid pump

Номер: US20120269653A1

A fluid pumping system for a vehicle having an internal combustion engine includes a housing, an electric motor, a controller to control the speed of the electric motor, a planetary gearset including a first member adapted to be driven by the internal combustion engine, a second member driven by the electric motor and a third member. A pump is driven by the third member of the planetary gearset. The housing contains the electric motor, the pump and the controller.

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29-11-2012 дата публикации

System and Method to Control an Electronically-Controlled Turbocharger

Номер: US20120297767A1
Автор: Peter Hofbauer
Принадлежит: EcoMotors International Inc

By providing an electrically-controlled turbocharger (ECT) on a compression-ignition (CI) engine, the engine can be provided a desired lambda and a desired EGR fraction over the range of operating conditions. When lambda in the exhaust is leaner than the desired lambda, electrical energy to the electric motor of the ECT is reduced to bring actual lambda to desired lambda. Analogously, when lambda in the exhaust is richer than the desired lambda, electrical energy to the ECT is increased.

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03-01-2013 дата публикации

Approach for Controlling a Vehicle Engine That Includes an Electric Boosting Device

Номер: US20130006507A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A method of operating a vehicle including an engine is provided. The engine may include at least one cylinder, a boosting device to boost intake air to the at least one cylinder, a fuel tank, a fuel vapor canister to store fuel vapors vented from the fuel tank, and an emission control device to treat exhaust gas from the engine. The boosting device includes a compressor at least partially driven by an electric motor. The method includes during an engine cold start condition, operating the electric motor of the boost device to boost intake air, directing the boosted intake air through the fuel vapor canister to release a fuel vapor stored in the fuel vapor canister, directing the fuel vapor from the fuel vapor canister to the engine, and performing combustion in the at least one cylinder using the fuel vapor during the engine starting.

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25-04-2013 дата публикации

WASTE HEAT RECOVERY DEVICE

Номер: US20130098034A1
Автор: Niizuma Motonao
Принадлежит: IHI CORPORATION

There is disclosed a waste heat recovery device including a turbine driven by an exhaust gas and a compressor which compresses a gas, comprising: a generator which generates electric power by rotation of the turbine ; an electric motor which rotationally drives the compressor ; and a control device which drives the electric motor by using the electric power generated by the generator as a power source. 1. A waste heat recovery device including a turbine driven by an exhaust gas and a compressor which compresses a gas , comprising:a generator which generates electric power by rotation of the turbine;an electric motor which rotationally drives the compressor; anda control device which drives the electric motor by using the electric power as a power source.2. The waste heat recovery device according to claim 1 ,wherein the control device comprises:a rectifier which rectifies an alternate current output from the generator to convert the same into a direct current;a smoothing circuit which smoothes a direct current voltage immediately after the rectifier;a direct current bus which transfers the electric power from the turbine side to the compressor side;an inverter which drives the electric motor;a rotation speed detector which detects rotation speed of the turbine and the generator;a voltage detector which detects a voltage of the direct current bus; anda rotation speed command unit which outputs, to the inverter, rotation speed command value of the electric motor and the compressor which is calculated based on the rotation speed and the voltage.3. The waste heat recovery device according to claim 1 ,wherein the control device comprises:a rectifier which rectifies and converts an alternate current output from the generator into a direct current;a smoothing circuit which smoothes a direct current voltage immediately after the rectifier;a direct current bus which transfers the electric power from the turbine side to the compressor side;an inverter which drives the ...

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08-08-2013 дата публикации

Turbocharger system

Номер: US20130199179A1
Принадлежит: Isuzu Motors Ltd

A turbocharger system for ensuring a sufficient exhaust gas recirculation (“EGR”) amount in all operating conditions, and reducing NOx emission from an engine. The system includes an EGR controller that re-circulates a part of exhaust gas discharged from the engine to an intake side. The turbocharger is a power-assisted turbocharger including an electric motor that assists a drive force of a compressor. The EGR controller controls an amount of exhaust gas recirculated to the intake side so as to inhibit the generation of NOx regardless of an amount of oxygen necessary for combustion of the engine. An electric motor control unit drives the electric motor, by the control of the EGR controller, when the amount of oxygen necessary for the combustion of the engine is deficient.

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14-11-2013 дата публикации

VARIABLE SPEED COMPRESSOR AND CONTROL SYSTEM

Номер: US20130298881A1
Автор: Ai Xiaolan
Принадлежит: THE TIMKEN COMPANY

A variable speed compressor system (A) incorporating an electric power generation capability by combining a variable-speed compressor assembly () with an electric motor assembly () via a drive subassembly () in a compact unit regulated by a control system (). The control system () facilitates fully controllable boost-on-demand forced-air induction operation across an entire engine speed range, and offers intelligent electric power generation. 1. A variable speed compressor system for use with an engine , comprising:a drive shaft;a variable-speed compressor subassembly including an variable-speed compressor mounted to a compressor shaft;an electrical machine subassembly including a stator and a rotor;a three-shaft drive system operatively coupling the shaft of the variable-speed compressor subassembly, the rotor of the electrical machine, and the drive shaft; anda torque-based control system configured to control and operate the variable-speed compressor subassembly and the electrical machine subassembly.2. The variable speed compressor system of further including a brake unit coupled to the compressor subassembly claim 1 , said brake unit configured to apply a stopping torque to the compressor and shaft under selected operating conditions.3. The variable speed compressor system of wherein said three-shaft drive system consists of an outer ring claim 1 , at least one set of planet pairs claim 1 , a planet carrier claim 1 , and a sun shaft.4. The variable speed compressor system of wherein said outer ring is operatively coupled to said drive shaft claim 3 , said planet carrier is operatively coupled to said rotor claim 3 , and said sun shaft is operatively coupled to said compressor shaft.5. The variable speed compressor system of wherein said outer ring is operatively coupled to said drive shaft claim 3 , said planet carrier is operatively coupled to said compressor shaft claim 3 , and said sun shaft is operatively coupled to said rotor.6. The variable speed ...

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05-12-2013 дата публикации

Integrated intake manifold and compressor

Номер: US20130319380A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

An induction system for an internal combustion engine having at least one cylinder includes a centrifugal compressor configured to pressurize an airflow being received from the ambient. The induction system also includes an intake manifold configured to channel the pressurized airflow to the at least one cylinder. The centrifugal compressor is disposed within and integral to the intake manifold. An internal combustion engine employing such an induction system is also disclosed.

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02-01-2014 дата публикации

Turbocharger embedding an electrical machine with permanent magnets

Номер: US20140003979A1
Принадлежит: SKF AB

An electrical machine ( 20 ) coupled to a compressor ( 12 ) having a rotatable shaft ( 16 ), comprising: a rotor forming part of the rotatable shaft and having at least two magnetic portions ( 22 A, 22 B) separated by an inclined non-magnetic portion ( 24 ) and two elements ( 26 A, 26 B) of non-magnetic material at each end of the rotatable shaft, a stator comprising a laminated magnetic iron stack ( 28 ) surrounded by a winding ( 30 ) and disposed along a periphery of the rotor to define a first annular gap ( 32 ), a ring ( 34 ) of non-magnetic material disposed around the stator, and a casing ( 40 ) of magnetic material comprising permanent magnets ( 36 ), disposed around the non magnetic ring and having radial walls ( 40 A, 40 B) that project inwardly towards the rotor by defining a second annular gap ( 42 ) therebetween.

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02-01-2014 дата публикации

Turbocharger embedding an electrical machine with a dc coil

Номер: US20140003980A1
Принадлежит: SKF AB

An electrical machine ( 20 ) coupled to a compressor ( 12 ) having a rotatable shaft ( 16 ), comprising: a rotor forming part of the rotatable shaft and having at least two magnetic portions ( 22 A, 22 B) separated by an inclined non-magnetic portion ( 24 ) shaft, a stator comprising a laminated magnetic iron stack ( 28 ) surrounded by a winding ( 30 ) and disposed along a periphery of the rotor to define a first annular gap ( 32 ), a ring ( 34 ) of non-magnetic material disposed around the stator, a DC coil ( 38 ) disposed around the non-magnetic ring, and a casing ( 40 ) of magnetic material disposed around the DC coil and having radial walls ( 40 A, 40 B) that project inwardly towards the rotor by defining a second annular gap ( 42 ) therebetween.

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27-02-2014 дата публикации

Cooling Stator Windings of an Electric Machine

Номер: US20140056726A1
Принадлежит: Ecomotors Inc

In an electric machine, there may be lubrication and cooling needs, such as lubricating bearings and cooling coils of the electric machine. When lubricant is used for both, it is desirable to prioritize the lubrication to the bearings. By providing check valves between a pressurized oil manifold and the cooling coils, lubricant is diverted to the coils only when pressure in the system is sufficient to satisfy both lubrication and cooling. In some embodiments, an oil gallery is provided on an outside surface of a back iron of the stator of the electric machine and orifices are provided in the back iron so that oil drips onto the coils of the electric motor. In some embodiments, the current commanded to the electric motor is based on whether or not lubricant (or other coolant) is being provided to the coils.

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06-03-2014 дата публикации

Method and system for operating an engine turbocharger

Номер: US20140060006A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A system and method for operating an engine turbocharger is described. In one example, the turbocharger is rotated in different directions in response to operating conditions. The system and method may reduce engine emissions.

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07-01-2016 дата публикации

DUAL RATIO DRIVE FOR VARIABLE SPEED HYBRID ELECTRIC SUPERCHARGER ASSEMBLY

Номер: US20160001649A1
Автор: BENJEY Robert Philip
Принадлежит:

An example engine assembly includes: an electric motor including an electric motor drive shaft; a first clutch positioned to apply torque through a first gear set to an internal combustion engine of the engine assembly; and a second clutch positioned to apply torque through a second gear set to a supercharger of the engine assembly. 1. An engine assembly , comprising:an electric motor including an electric motor drive shaft;a first clutch positioned to apply torque through a first gear set to an internal combustion engine of the engine assembly; anda second clutch positioned to apply torque through a second gear set to a supercharger of the engine assembly.2. The engine assembly of claim 1 , wherein the first clutch is configured to engage at a first set of speeds claim 1 , and the second clutch is configured to engage at a second set of speeds.3. The engine assembly of claim 2 , further comprising a dead zone between the first set of speeds and the second set of speeds.4. The engine assembly of claim 2 , wherein the first clutch is further engaged when a direction of rotation of the electric motor drive shaft changes.5. The engine assembly of claim 1 , wherein the first gear set is optimized to transfer torque.6. The engine assembly of claim 5 , wherein the second gear set is optimized to transfer speed.7. The engine assembly of claim 6 , wherein the first gear set provides a 5:1 drive ratio.8. The engine assembly of claim 7 , wherein the second gear set provides a 2:1 drive ratio.9. The engine assembly of claim 1 , wherein the first gear set provides a higher drive ratio claim 1 , and the second gear set provides a lower drive ratio.10. A dual ratio drive assembly claim 1 , comprising:a first clutch positioned to apply torque through a first gear set from an electric motor to an internal combustion engine; anda second clutch positioned to apply torque through a second gear set from the electric motor to a supercharger.11. The dual ratio drive assembly of claim 10 ...

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05-01-2017 дата публикации

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

Номер: US20170002726A1
Автор: IWAMOTO Masahiro
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A control apparatus for an internal combustion engine is configured, when regenerative processing by an electric supercharger is executed, to control the opening degree of a throttle valve, the opening degree of an intake bypass valve and the power generation load on a motor generator to set the opening degree of the intake bypass valve and the power regeneration load so that a second intake pressure which is an intake pressure downstream of an electric compressor and upstream of a turbo compressor does not fall below a second specific pressure value, based on a request intake air flow rate of the internal combustion engine and the second intake pressure. 1. A control apparatus for controlling an internal combustion engine , the internal combustion engine comprising:an intake passage through which intake air taken into a cylinder flows;an exhaust passage through which exhaust gas from the cylinder flows;an intake air flow rate regulation device provided in the intake passage and configured to regulate an intake air flow rate of air that is taken into the cylinder;a turbocharger including a turbine arranged in the exhaust passage, a turbo compressor arranged in the intake passage, a connection shaft that connects the turbine and the turbo compressor, and an oil seal portion that is provided on the connection shaft at a location on a rear surface side of an impeller of the turbo compressor;an electric supercharger including an electric compressor arranged in the intake passage on an upstream side of the turbo compressor, and a motor generator that is a drive source of the electric compressor and configured to function as a generator when regeneration is performed;an intake bypass passage connecting the intake passage on an upstream side of the electric compressor with the intake passage which is at a downstream side of the electric compressor and at an upstream side of the turbo compressor; andan intake bypass valve configured to open and close the intake bypass ...

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05-01-2017 дата публикации

MULTI-STAGE ELECTRIC CENTRIFUGAL COMPRESSOR AND SUPERCHARGING SYSTEM FOR INTERNAL COMBUSTION ENGINE

Номер: US20170002727A1
Принадлежит: MITSUBISHI HEAVY INDUSTRIES, LTD.

An object is to provide a multi-stage electric centrifugal compressor and a supercharging system for an internal combustion engine with a driving unit of a rotational shaft that can be readily controlled when a single-shaft and two-stage centrifugal compressor is employed. A multi-stage electric centrifugal compressor includes: an electric motor; and a pair of centrifugal compressors coupled to either side of the electric motor, the pair of centrifugal compressors comprising a low-pressure stage compressor and a high-pressure stage compressor connected in series. The low-pressure stage compressor and the high-pressure stage compressor are formed to have different pressure ratios from each other. 16-. (canceled)7. A multi-stage electric centrifugal compressor for pressurizing intake air to be supplied to an internal combustion engine , comprising:an electric motor; anda pair of centrifugal compressors coupled to either side of the electric motor, the pair of centrifugal compressors comprising a low-pressure stage compressor and a high-pressure stage compressor connected in series,wherein the low-pressure stage compressor and the high-pressure stage compressor are formed to have different pressure ratios from each other, andwherein the multi-stage electric centrifugal compressor further comprisesa map defining a relationship of a rotation speed of the electric motor to a discharge pressure or a discharge flow rate of the multi-stage electric centrifugal compressor;a matching unit configured to match the map with an intake pressure or an intake flow rate required for the multi-stage centrifugal compressor by an engine controller configured to control operation of an internal combustion engine to derive a required rotation speed of the electric motor; anda motor controller configured to control the rotation speed of the electric motor to achieve the required rotation speed derived by the matching unit.8. The multi-stage electric centrifugal compressor according to claim ...

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07-01-2016 дата публикации

ELECTRIC ROTOR FIT ONTO A TURBOMACHINE SHAFT

Номер: US20160003140A1
Принадлежит:

By relieving the shaft of an electronically-controlled turbocharger (ECT) in a central region of where a rotor of an electric machine couples with the shaft eases assembly of the electric machine onto the shaft. On either side of the relieved section, the fit between the shaft and the rotor may be a slip fit or an interference fit. Alternatively, the rotor is relieved in a central section. In some embodiments, the shaft is welded to the rotor. In yet other embodiments, the outside of the shaft and the inside of the rotor are threaded with a nut or a pin to secure the shaft to the rotor or the rotor itself has threads to engage with threads on the shaft. Such arrangements ease assembly and allow adjustment of dynamic characteristics of the rotor system. 1. An electronically-controlled turbomachine , comprising:a shaft having a turbine wheel coupled to a first end of the shaft;a turbine housing section disposed over the turbine wheel;a compressor wheel secured to a second end of the shaft;a compressor housing section disposed over the compressor wheel; andan electric machine disposed on the shaft and located between the turbine and the compressor sections, wherein: the electric machine comprises a rotor and a stator; the rotor is fixed onto a portion of the shaft; the portion of the shaft has first, second, and third axial sections; the inside diameter of the rotor is greater than a diameter of the second axial section; and the second axial section is located between the first and third axial sections.2. The turbomachine of wherein the inside diameter of the rotor is substantially equal to an outside diameter of the shaft along the first and third axial sections.3. The turbomachine of wherein an end of the rotor proximate the first section of the shaft is welded to the shaft and the weld is by one of electron beam welding claim 2 , laser welding claim 2 , and tungsten inert gas welding.4. The turbomachine of wherein the shaft and rotor are welded by one of ultrasonic ...

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02-01-2020 дата публикации

Energy Saving Device for Internal Combustion Engine

Номер: US20200003138A1
Автор: Cheng Ming-Hung
Принадлежит:

An energy saving device includes a control box, a battery, an operation setting system, a car speed sensor assembly, and an air intake fan motor. Thus, the IC chip of the car speed sensor assembly identifies the car speed information detected by the five car speed sensors of the car speed sensor assembly, and transmits the car speed information to the IC circuit board of the control box, and the IC circuit board controls and regulates the rotation speed of the air intake fan motor according to the grades of the car speed preset by the operation setting system, such that the rotation speed of the air intake fan motor increases the air flow rate by a grade when the car speed is increased by a predetermined constant value. 1. An energy saving device comprising:a control box, a battery, an operation setting system, a car speed sensor assembly, and an air intake fan motor;wherein:the control box includes an IC circuit board which is electrically connected with the battery, the operation setting system, the car speed sensor assembly, and the air intake fan motor;the battery is electrically connected with the IC circuit board of the control box, to provide an electric power to actuate the air intake fan motor;the operation setting system is electrically connected with the IC circuit board of the control box, and includes an operation setting monitor which presets a plurality of grades according to a car speed and an air flow rate of the air intake fan motor;the car speed sensor assembly includes a first car speed sensor for a car propeller shaft, a second car speed sensor for an ABS brake system, a third car speed sensor for an EBS brake system, a fourth car speed sensor for a PDF spark ignition system, and a fifth car speed sensor for a GPS;the car speed sensor assembly is provided with an IC chip which is electrically connected with the IC circuit board of the control box;the IC chip of the car speed sensor assembly identifies a car speed information detected by the ...

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03-01-2019 дата публикации

SYSTEMS AND METHODS FOR A SUPERCHARGED INTERNAL COMBUSTION ENGINE WITH EXHAUST GAS RECIRCULATION

Номер: US20190003379A1
Принадлежит:

Methods and systems are provided for a supercharged internal combustion engine having staged boosting devices. In one example, a system may include an engine coupled to an intake system for receiving charge air and an exhaust system for discharging exhaust gases, an electrically driven compressor arranged in the intake system upstream of a turbocharger compressor, a bypass line, including a bypass valve, coupled across the electrically driven compressor, a throttle arranged at an inlet of the electrically driven compressor, and an exhaust gas recirculation system that couples the exhaust system downstream of the exhaust turbine to the intake system upstream of the electrically driven compressor via a first recirculation branch and between the electrically driven compressor and the turbocharger compressor via a second recirculation branch. In this way, the electrically driven compressor may be operated to reduce condensate formation at an inlet of the turbocharger compressor. 1. A supercharged internal combustion engine , comprising:an intake system for the supply of charge air;an exhaust gas discharge system for the discharge of exhaust gas;a turbocharger, including a turbine arranged in the exhaust gas discharge system and a compressor arranged in the intake system;an electrically drivable compressor arranged in the intake system upstream of the compressor of the turbocharger;a compressor-specific throttle element is arranged upstream of the electrically drivable compressor;a bypass line for bypassing said electrically drivable compressor that branches off from the intake system upstream of the electrically drivable compressor, forming a third junction, and opens into the intake system between the electrically drivable compressor and the compressor of the turbocharger, forming a fourth junction;a shut-off element arranged in the bypass line; andan exhaust gas recirculation system, comprising a recirculation line which branches off from the exhaust gas discharge ...

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03-01-2019 дата публикации

Engine control device

Номер: US20190003408A1
Автор: Hiroki Oshima, Koji Hata
Принадлежит: Mitsubishi Motors Corp

An engine includes a dynamo-electric machine which generates electricity by the rotation of the engine; a secondary battery which stores electricity generated by the dynamo-electric machine; an electric supercharger including an electric compressor for supercharging intake air into combustion chambers; and a mechanical supercharger including an exhaust turbine configured to be driven by exhaust gas in the exhaust passage, and a mechanical compressor configured to supercharge intake air into the combustion chamber. An ECU (50) includes a remaining charge detector for detecting the remaining amount of charge of the secondary battery; and a supercharge control means for adjusting the ratio between a supercharging pressure by the electric supercharger and a supercharging pressure by the mechanical supercharger according to the remaining amount of charge of the secondary battery.

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13-01-2022 дата публикации

COMPRESSOR FOR AN INTAKE SECTION OF AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE, INTERNAL COMBUSTION ENGINE FOR A MOTOR VEHICLE, AND MOTOR VEHICLE

Номер: US20220010723A1
Автор: Gordner Achim
Принадлежит:

A compressor for an intake section of an internal combustion engine of a motor vehicle includes an electric motor which has a stator and a rotor where the rotor is drivable by the stator and is rotatable about an axis of rotation relative to the stator. An impeller is drivable by the rotor to compress air which is flowable through the intake section and which is to be supplied to a combustion chamber of the internal combustion engine. The rotor is a brushless external rotor such that at least one length region of the stator is disposed in at least one length region of the rotor. 113.-. (canceled)14. A compressor for an intake section of an internal combustion engine of a motor vehicle , comprising:an electric motor which has a stator and a rotor, wherein the rotor is drivable by the stator and is rotatable about an axis of rotation relative to the stator; andan impeller which is drivable by the rotor to compress air which is flowable through the intake section and which is to be supplied to a combustion chamber of the internal combustion engine;wherein the rotor is a brushless external rotor such that at least one length region of the stator is disposed in at least one length region of the rotor.15. The compressor according to claim 14 , wherein the stator has a plurality of coils which are supplyable with electric current.16. The compressor according to claim 14 , wherein the rotor has a plurality of magnets.17. The compressor according to claim 14 , wherein the rotor is at least partially accommodated in a housing and is mounted rotatably on the housing via a bearing device.18. The compressor according to claim 17 , wherein the bearing device has at least one plain bearing and/or at least one ceramic rolling bearing.19. The compressor according to claim 17 , wherein the housing has a first receiving chamber in which the impeller is disposed and a second receiving chamber in which the bearing device is disposed claim 17 , wherein the rotor extends from the second ...

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12-01-2017 дата публикации

METHOD FOR REDUCING EXHAUST GAS OF MILD HYBRID SYSTEM

Номер: US20170009675A1
Автор: Shin Buom Sik
Принадлежит: HYUNDAI MOTOR COMPANY

A method for reducing an exhaust gas of a mild hybrid system may include determining by an electronic control unit (ECU) whether an engine enters a full load region or a partial load region, based on a position of an accelerator pedal, controlling, by the ECU, the operation of an electric supercharger, based on information on an engine rotational frequency, when a vehicle is driven while being accelerated in a state in which the engine enters the full load region, and controlling, by the ECU, the operation of the electric supercharger by determining whether the vehicle is accelerated, based on an incremental slope of the position of the accelerator pedal, when the engine enters the partial load region. 1. A method for reducing an exhaust gas of a mild hybrid system , the method comprising:a) determining by an electronic control unit (ECU) whether an engine enters a full load region or a partial load region, based on a position of an accelerator pedal;b) controlling, by the ECU, the operation of an electric supercharger, based on information on an engine rotational frequency, when a vehicle is driven while being accelerated in a state in which the engine enters the full load region; andc) controlling, by the ECU, the operation of the electric supercharger by determining whether the vehicle is accelerated, based on an incremental slope of the position of the accelerator pedal, when the engine enters the partial load region.2. The method of claim 1 , wherein claim 1 , in step a) claim 1 , it is determined that claim 1 , when the position of the accelerator pedal is 100% claim 1 , the vehicle is driven while being accelerated in the state in which the engine enters the full load region claim 1 , and it is determined that claim 1 , when the position of the accelerator pedal is less than 100% claim 1 , the engine enters the partial load region.3. The method of claim 1 , wherein claim 1 , in step b) claim 1 , when the engine rotational frequency is equal to or greater than ...

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14-01-2016 дата публикации

POSITION SENSOR PLACEMENT FOR ELECTRICALLY ASSISTED TURBOCHARGER

Номер: US20160010492A1
Автор: Cavagnaro Augustine
Принадлежит:

An electrically assisted turbocharger () includes an electric motor () having a rotor () and a stator (). The rotor () rotates in response to operation of the turbocharger () and the stator () is fixed relative to the rotor (). A component () rotates in unison with the rotor () and includes a plurality of features (). To control timing of phase excitation of the electric motor (), a position sensor () is mounted to the turbocharger () to detect the plurality of features ( ) on the rotating component () to determine a rotational position of the rotor (). 110. An electrically assisted turbocharger () comprising:{'b': 72', '10, 'a rotor () rotating in response to operation of said turbocharger ();'}{'b': 74', '72, 'a stator () fixed relative to said rotor ();'}{'b': 40', '48', '24', '72', '40', '48', '24', '80', '84', '86', '90, 'a component (, , ) rotating in unison with said rotor (), said component (, , ) including a plurality of features (, , , ); and'}{'b': 82', '10', '80', '84', '86', '90', '40', '48', '24', '72, 'a position sensor () mounted to said turbocharger () for detecting said plurality of features (, , , ) on said component (, , ) during rotation thereof to determine a rotational position of said rotor ().'}210. An electrically assisted turbocharger () comprising:{'b': 22', '10, 'a shaft () rotating in response to operation of said turbocharger ();'}{'b': 72', '22, 'a rotor () fixed to said shaft () for rotation therewith;'}{'b': 74', '72, 'a stator () fixed relative to said rotor ();'}{'b': 40', '48', '24', '22', '40', '48', '24', '80', '84', '86', '90, 'a component (, , ) fixed to said shaft () for rotation therewith, said component (, , ) including a plurality of features (, , , ); and'}{'b': 82', '10', '80', '84', '86', '90', '40', '48', '24', '40', '48', '24', '72, 'a position sensor () mounted to said turbocharger () for detecting said plurality of features (, , , ) on said component (, , ) during rotation of said component (, , ) to determine a ...

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11-01-2018 дата публикации

SYSTEMS AND METHODS FOR GENERATING AUXILIARY TORQUE

Номер: US20180010529A1
Принадлежит:

Systems and methods for generating auxiliary torque are provided. In one example, a method for controlling a supercharger comprises, responsive to requested torque exceeding spark authority of an engine, varying a current applied to a motor of the supercharger to provide an amount of torque to a crankshaft of the engine. In this way, a supercharger can be controlled to compensate for an engine torque shortfall. 1. A method for controlling a supercharger , comprising:responsive to requested torque exceeding spark authority of an engine, varying a current applied to a motor of the supercharger to provide an amount of torque to a crankshaft of the engine.2. The method of claim 1 , further comprising calculating an engine torque based on the spark authority claim 1 , and calculating the amount of torque based on the engine torque and the requested torque.3. The method of claim 2 , wherein the amount of torque comprises a difference between the requested torque and the engine torque.4. The method of claim 2 , further comprising adjusting spark timing of the engine to generate the calculated engine torque.5. The method of claim 1 , wherein the motor is coupled to the engine crankshaft via a mechanical belt.6. The method of claim 1 , wherein the amount of torque provided to the crankshaft combines with torque generated by the engine to provide the requested torque.7. The method of claim 1 , wherein the motor of the supercharger is coupled to an epicyclic gear train of the supercharger claim 1 , the epicyclic gear train further coupled to a compressor of the supercharger claim 1 , and further comprising selectively adjusting a gear ratio of the epicyclic gear train while varying the current.8. A method for controlling a supercharger claim 1 , comprising:applying a cyclical current to a motor of the supercharger, the motor coupled to an ancillary device via a mechanical belt.9. The method of claim 8 , further comprising applying the cyclical current responsive to a firing ...

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11-01-2018 дата публикации

Method and system for controlling supercharger of vehicle

Номер: US20180010533A1
Автор: Hyo Sang Cho, Seung Eun YU
Принадлежит: Hyundai Motor Co

A method for controlling a supercharger of a vehicle includes: determining, at a first determination step, whether or not an engine operates in a cylinder deactivation (CDA) mode; calculating, at a second determination step, a difference value between a target boost pressure of a turbocharger and a current boost pressure of intake air boosted by the turbocharger, and determining whether or not the difference value is equal to or greater than a reference difference value; determining, at a third determination step, based on a current operating condition of the engine whether or not the supercharger is allowed to operate; determining, at a fourth determination step, a target rpm of the supercharger, and determining whether or not the target rpm is equal to or greater than a reference rpm; and operating the supercharger at an operating step.

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10-01-2019 дата публикации

METHODS AND SYSTEM FOR STARTING AN ENGINE

Номер: US20190010860A1
Принадлежит:

A description is given of a device () for pressure-charging a combustion engine (), which comprises a compressor (), a charge air cooler (), an inlet () and a charger (), which are connected to one another in terms of flow by flow ducts (). In this device, the charge air cooler () is arranged downstream of the compressor (), and the inlet () is arranged downstream of the compressor () and of the charge air cooler () in the flow direction (). 1. A device for pressure-charging a combustion engine , which comprises:at least one compressor, at least one charge air cooler, at least one inlet, and a charger, which are connected to one another in terms of flow by flow ducts, wherein the charge air cooler is arranged downstream of the at least one compressor, and the inlet is arranged downstream of the at least one compressor and of the charge air cooler in the flow direction, and the charger is connected to the inlet via a bypass flow duct arranged between the at least one compressor and the inlet, wherein the charger is arranged lower than the inlet in the vertical direction, and a moisture sensor is arranged in the bypass flow duct upstream of the charger.2. The device of claim 1 , wherein the device comprises a controller and the moisture sensor is functionally connected to the charger via the controller claim 1 , wherein the controller is designed to operate the charger when a quantity of condensate claim 1 , measured by means of the moisture sensor claim 1 , in the bypass flow duct exceeds a first threshold.3. The device of claim 2 , wherein the controller is designed to operate the charger for a fixed time period or until the quantity of condensate falls below a second threshold.4. The device of claim 3 , wherein at least one valve is arranged in a flow duct arranged between the charge air cooler and the inlet and/or is arranged in a flow duct arranged between the charge air cooler and the charger.5. The device of claim 4 , where the compressor is a turbocharger ...

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10-01-2019 дата публикации

VEHICLE TURBOCHARGER SYSTEMS AND METHODS WITH IMPROVED AFTERTREATMENT ACTIVATION

Номер: US20190010881A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A turbocharger system for an engine of a vehicle includes a variable geometry turbine configured to receive exhaust gas from the engine. The variable geometry turbine includes adjustable vanes and a vane actuator to adjust the adjustable vanes between at least an open position and a closed position. The turbocharger further includes an intake duct configured to receive intake air; a first compressor rotationally coupled to the variable geometry turbine and fluidly coupled to the intake duct to compress at least a first portion of the intake air; an electric compressor fluidly coupled to the intake duct to selectively compress at least a second portion of the intake air; and a manifold conduit fluidly coupled to the first compressor and the electric compressor and configured to receive and direct the first and second portions of the intake air to a manifold of the engine. 1. A turbocharger system for an engine of a vehicle , comprising:a variable geometry turbine configured to receive exhaust gas from the engine, the variable geometry turbine including adjustable vanes and a vane actuator to adjust the adjustable vanes between at least an open position and a closed position;an intake duct configured to receive intake air;a first compressor rotationally coupled to the variable geometry turbine and fluidly coupled to the intake duct to compress at least a first portion of the intake air;an electric compressor fluidly coupled to the intake duct to selectively compress at least a second portion of the intake air; anda manifold conduit fluidly coupled to the first compressor and the electric compressor and configured to receive and direct the first and second portions of the intake air to a manifold of the engine.2. The turbocharger system of claim 1 , further comprising an electronic control unit configured to control operation of at least the vane actuator and the electric compressor.3. The turbocharger system of claim 2 , wherein the electronic control unit includes a ...

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09-01-2020 дата публикации

ELECTRIC SUPERCHARGER

Номер: US20200011233A1
Автор: OSHITA Makio
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

An electric supercharger includes a rotary shaft, a motor, a motor housing, a sealing plate, an impeller, a rolling bearing, and an oil injection portion. The rotary shaft extends in an axial direction thereof. The motor rotationally drives the rotary shaft. The motor housing accommodates the motor and has an opening. The sealing plate seals the opening. The impeller is fixed to the rotary shaft. The rolling bearing is disposed in the sealing plate or adjacent thereto. The oil injection portion injects lubrication oil to the rolling bearing. In the sealing plate, an oil discharge space is formed adjacent to the rolling bearing and a deflector portion protruded radially inward is formed over at least in part in a circumferential direction of the rotary shaft. 1. An electric supercharger comprising:a rotary shaft extending in an axial direction of the rotary shaft;a motor rotationally driving the rotary shaft;a motor housing accommodating the motor and having on a first end side thereof in the axial direction of the rotary shaft an opening for putting in and out the motor;a sealing plate sealing the opening;an impeller fixed to the rotary shaft at a position closer to the first end side than the sealing plate is to the first end side;a rolling bearing disposed in the sealing plate or adjacent to the sealing plate on a second end side in the axial direction of the rotary shaft, the rolling bearing being configured to rotatably support the rotary shaft; andan oil injection portion injecting lubrication oil to the rolling bearing from the second end side in the axial direction of the rotary shaft and away from the rolling bearing, whereinan oil discharge space is formed adjacent to the rolling bearing on the first end side and communicated with a space between an outer ring and an inner ring of the rolling bearing in the sealing plate, anda deflector portion protruded radially inward is formed at a position away on the first end side from the rolling bearing across the ...

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21-01-2016 дата публикации

Turbocharger with Electrically Coupled Fully Variable Turbo-Compound Capability and Method of Controlling the Same

Номер: US20160017793A1
Автор: JOHNSON Gustav R.
Принадлежит:

A turbocharger apparatus of an internal combustion engine and method of controlling the same is provided with electrically coupled fully variable turbo-compound capability. The turbocharger includes an exhaust gas turbine and an intake air compressor. A first electric machine coupled to the engine generates electricity and adds power to an output shaft of the engine depending on electricity flow to and from the first electric machine. A second electric machine coupled to the turbine and/or the compressor generates electricity and drives the turbine and/or the compressor depending on electricity flow between the first and the second electric machines. A planetary gearset connects the turbine, the compressor, and the second electric machine, and varies rotational speeds of the turbine, the compressor, and the second electric machine depending on electricity flow between the first and second electric machines to maximize efficiency and power of the engine.

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18-01-2018 дата публикации

TURBOCHARGER AND MARINE VESSEL

Номер: US20180016970A1
Принадлежит:

A hybrid turbocharger includes a first power conversion unit to convert direct-current power into alternating-current power to be output to a generator motor, a smoothing capacitor between direct-current buses, and a control unit that controls the first power conversion unit so as to cause actual generator motor speed to comply with an engine speed command of the generator motor input from an upstream controller during a motoring operation of the generator motor. The control unit changes the engine speed command to a value which is equal to or greater than the actual generator motor speed if the engine speed command of the generator motor is less than the actual generator motor speed and a direct-current bus voltage is equal to or greater than a predetermined first threshold value during the motoring operation. Accordingly, the direct-current bus voltage can be prevented from increasing during the motoring operation. 112-. (canceled)13. A turbocharger comprising:a compressor to be driven by a turbine to boost ambient air to an internal combustion engine;an electric motor coupled to a rotary shaft of the compressor;a power conversion unit to convert direct-current power to alternating-current power to supply the electric motor;a smoothing capacitor coupled to a direct-current bus coupled to the power conversion unit; anda control unit to send a control signal to the power conversion unit so as to bring about measured generator motor speed to comply with a generator motor speed command of an input signal to the electric motor from an upstream controller during operation of the electric motor, wherein the control unit is to generate a control command so as to increase an excitation current component and to send the control command to the power conversion unit if the generator motor speed command of the electric motor is less than a measured generator motor speed and a line-to-line voltage of the smoothing capacitor is to be equal to or greater than a predetermined ...

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18-01-2018 дата публикации

TURBOCHARGER AND MARINE VESSEL

Номер: US20180016971A1
Принадлежит:

A hybrid turbocharger includes a first power conversion unit to convert direct-current power into alternating-current power to be output to a generator motor, a smoothing capacitor between direct-current buses, and a control unit that controls the first power conversion unit so as to cause actual generator motor speed to comply with an engine speed command of the generator motor input from an upstream controller during a motoring operation of the generator motor. The control unit changes the engine speed command to a value which is equal to or greater than the actual generator motor speed if the engine speed command of the generator motor is less than the actual generator motor speed and a direct-current bus voltage is equal to or greater than a predetermined first threshold value during the motoring operation. Accordingly, the direct-current bus voltage can be prevented from increasing during the motoring operation. 112-. (canceled)13. A turbocharger comprising;a compressor to be driven by a turbine to boost ambient air to an internal combustion engine;an electric motor coupled to a rotary shaft of the compressor;a power conversion unit to convert direct-current power to alternating-current power to be used by the electric motor;a smoothing capacitor coupled to a direct-current bus coupled to the power conversion unit;a resistor coupled to the smoothing capacitor in parallel;a semiconductor switch coupled to the resistor in series and to be in an open state while in a steady state; anda switching control unit to control an ON-OFF state of the semiconductor switch, wherein the switching control unit is to perform ON-OFF ratio control of the semiconductor switch within a predetermined duty cycle if a generator motor speed command of the electric motor is less than a measured generator motor speed and a line-to-line voltage of the smoothing capacitor is equal to or greater than a predetermined threshold value during operation of the electric motor.14. The turbocharger ...

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18-01-2018 дата публикации

ENHANCED PRESSURE WAVE SUPERCHARGER SYSTEM AND METHOD THEREOF

Номер: US20180016997A1
Автор: Snyder Philip H.
Принадлежит:

An enhanced pressure-wave supercharger for a combustion engine utilizes a superior pressure wave process cycle design. The design utilizes a select final portion of the compressed gas stream exiting the rotor, and supplies it to a subsequent inlet port ahead of and prior to the introduction into the rotor of the aspirated air to be compressed. Work is extracted within the rotor from this gas stream and transferred into rotational energy of the rotor through using a portion the available momentum of the compressed gas via incidence on the rotor webs to turn the rotor by means of conventional turbomachinery principles. 1. An enhanced pressure-wave supercharger for a combustion engine , comprising:at least one housing assembly;a plurality of channels configured to direct gas towards and from said housing; andat least one rotor disposed within said housing.2. The supercharger of claim 1 , wherein said housing comprises:a first portion and a second portion, wherein said first portion is configured to generate pressurized gas to be supplied to said engine.3. The supercharger of claim 2 , wherein said plurality of channels comprise:a first channel configured to supply exhaust gas from the combustion engine;a second channel configured to draw in air from an external environment;a third channel configured to discharge exhaust gas from the supercharger;a fourth channel configured to supply a first portion of pressurized gas from the supercharger to the combustion engine;a fifth channel having a bypass inlet and a bypass outlet passage, wherein said bypass inlet is configured to direct a second portion of pressurized gas from inside said first portion of the housing back into said second portion of the housing through the bypass outlet passage.4. The supercharger of claim 3 , wherein said second portion is configured to create rotational energy to turn said rotor.5. The supercharger of claim 3 , wherein said fifth channel further comprises a turbine or other work extracting ...

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16-01-2020 дата публикации

SYSTEM OF FORCIBLY REGENERATING GASOLINE PARTICULATE FILTER

Номер: US20200018215A1
Принадлежит:

A system of forcibly regenerating a gasoline particulate filter may include an exhaust pipe connected to the engine; a catalyst apparatus mounted on the exhaust pipe; first and second intake lines; first and second electric superchargers disposed on the first and second intake lines; a bypass line connecting a first point of the first supercharger and a second point of the second supercharger to each other; a first intake valve disposed at a downstream of the first point of the first intake line; a second intake valve disposed at an upstream of the second point of the second intake line; a bypass valve disposed on the bypass line; and a regeneration air line connecting the first intake line or the bypass line between the first electric supercharger, the first intake valve, and the bypass valve to the exhaust pipe between the catalyst apparatus and the gasoline particulate filter. 1. A system of forcibly regenerating a gasoline particulate filter , the system comprising:an engine including at least one combustion chamber that generates a driving force by a combustion of fuel;an exhaust pipe connected to the at least one combustion chamber and through which exhaust gas flows;a catalyst apparatus mounted on the exhaust pipe and purifying the exhaust gas;the gasoline particulate filter mounted on the exhaust pipe at downstream of the catalyst apparatus and collecting a particulate matter contained in the exhaust gas;a first intake line and a second intake line which are connected to the at least one combustion chamber and supply air to the at least one combustion chamber;a first electric supercharger and a second electric supercharger mounted on the first intake line and the second intake line, respectively;a bypass line connecting a first point of a downstream of the first supercharger on the first intake line and a second point of an upstream of the second supercharger on the second intake line to each other;a first intake valve mounted at a downstream of the first ...

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25-01-2018 дата публикации

ELECTRIC SUPERCHARGER

Номер: US20180023593A1
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

An electric supercharger includes an electric motor, a motor housing, a drive circuit, a circuit housing, and a compressing portion. The circuit housing includes an accommodating wall having a shape projecting from an outer surface of the motor housing, and a bottom located at a distal end in the projecting direction of the accommodating wall. The circuit housing together with the motor housing, hermetically confines the drive circuit. The bottom includes a heat release portion that faces the outer side of the circuit housing. The drive circuit is thermally coupled to an inner surface of the heat release portion that faces the inner side of circuit housing. 1. An electric supercharger comprising:an electric motor;a motor housing that accommodates the electric motor;a drive circuit that drives the electric motor;a circuit housing that accommodates the drive circuit; anda compressing portion that is driven by the electric motor, wherein an accommodating wall that has a shape projecting from an outer surface of the motor housing, and', 'a bottom that is located at a distal end in a projecting direction of the accommodating wall,', 'wherein the circuit housing, together with the motor housing, hermetically confines the drive circuit,, 'the circuit housing includes'}the bottom includes a heat release portion that faces an outer side of the circuit housing, andthe drive circuit is thermally coupled to an inner surface of the heat release portion that faces an inner side of the circuit housing.2. The electric supercharger according to claim 1 , wherein the heat release portion is made of metal.3. The electric supercharger according to claim 1 , wherein the accommodating wall is made of plastic.4. The electric supercharger according to claim 1 , further comprising a heat insulating layer that is arranged between the motor housing and the drive circuit.5. The electric supercharger according to claim 1 , wherein the heat release portion has a heat release fin on an outer ...

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02-02-2017 дата публикации

ENHANCING CYLINDER DEACTIVATION BY ELECTRICALLY DRIVEN COMPRESSOR

Номер: US20170030257A1
Принадлежит:

An electrically driven compressor is used to supplement a turbocharger on an engine featuring cylinder deactivation to alleviate the shortcomings of a single turbocharger in order to extend the deactivated operating ranges. The electrically driven compressor is also operable to enhance transient boost development of a turbocharged engine. 1. A powertrain system , comprising:an internal combustion engine defining a plurality of cylinders;an exhaust system in communication with said plurality of cylinders;an intake system in communication with said plurality of cylinders;a turbocharger including a turbine in communication with the exhaust system and a compressor in communication with the intake system;an electrically driven compressor in communication with the intake system;a cylinder deactivation mechanism associated with at least one cylinder for deactivating the at least one cylinder; anda controller for controlling the electrically driven compressor in response to a deactivation of said at least one cylinder.2. The powertrain system according to claim 1 , further comprising an exhaust gas recirculation passage in communication between the exhaust system and the intake system.3. The powertrain system according to claim 1 , wherein the electrically driven compressor is upstream of the turbocharger compressor within the intake system.4. The powertrain system according to claim 1 , wherein the electrically driven compressor is downstream of the turbocharger compressor within the intake system.5. The powertrain system according to claim 1 , further comprising a bypass passage in the intake system and including a bypass valve controlled by the controller for bypassing the electrically driven compressor.6. A powertrain system claim 1 , comprising:an internal combustion engine defining a plurality of cylinders;an exhaust system in communication with said plurality of cylinders;an intake system in communication with said plurality of cylinders;an electrically driven ...

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02-02-2017 дата публикации

Internal combustion engine, method for operating the same and control device for carrying out the method

Номер: US20170030258A1
Принадлежит:

An internal combustion engine includes: plural cylinders, a first exhaust gas turbocharger having a high-pressure turbine and a high-pressure compressor, a second exhaust gas turbocharger having a low-pressure turbine and a low-pressure compressor, and an SCR catalytic converter positioned between the high-pressure turbine and the low-pressure turbine, via which exhaust gas leaving the high-pressure turbine is conducted upstream of the low-pressure turbine. The low-pressure compressor is assigned a power take-in, via which the low-pressure compressor can be driven when as a consequence of a relatively large exhaust gas temperature drop at the SCR catalytic converter via the low-pressure turbine an adequate amount of energy required to supply the cylinders of the internal combustion engine with a desired quantity of charge air can no longer be provided. 2. The internal combustion engine according to claim 1 , further comprising:{'b': 18', '13, 'i': 'a', 'a first temperature sensor () arranged downstream of the high-pressure turbine () and upstream of the at least one device for exhaust gas aftertreatment;'}{'b': 19', '13, 'i': 'a', 'a second temperature sensor () arranged downstream of the at least one device for exhaust gas aftertreatment and upstream of the low-pressure turbine (); and'}{'b': 20', '18', '19', '21', '16, 'i': 'b', 'a control device () configured to automatically determine and automatically adjust, based on a temperature difference between the exhaust gas temperatures measured at the first temperature sensor () and at the second temperature sensor (), the amount of energy to be provided at the power take-in () for driving the low-pressure compressor ().'}313241316aab. The internal combustion engine according to claim 1 , wherein the high-pressure turbine () is coupled to a power take-out () claim 1 , via which at the high-pressure turbine () energy is extractable for driving the low-pressure compressor ().421. The internal combustion engine according ...

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02-02-2017 дата публикации

SUPERCHARGING DEVICE FOR A COMBUSTION ENGINE

Номер: US20170030365A1
Автор: SCHERI Alessio
Принадлежит:

A supercharging device (), having: a housing () which has a longitudinal axis (L); at least one housing inlet () which leads into the housing (); at least one housing outlet () which leads out of the housing (); at least one compressor wheel () which is arranged in a compressor chamber () and which is driven by a motor shaft () and which is arranged between the housing inlet () and the housing outlet () of the housing () as viewed in the flow direction, and at least one bypass duct () which is integrated in the housing () and which connects the housing inlet () to the housing outlet () so as to bypass the compressor chamber (). The bypass duct () has a self-adjusting valve (). The housing inlet () and the housing outlet () are formed as an axial inlet and an axial outlet respectively. 120. A supercharging device () , having{'b': '21', 'a housing () which has a longitudinal axis (L);'}{'b': 1', '21, 'at least one housing inlet () which leads into the housing ();'}{'b': 2', '21, 'at least one housing outlet () which leads out of the housing ();'}{'b': 5', '15', '16', '1', '2', '21, 'at least one compressor wheel () which is arranged in a compressor chamber () and which is driven by a motor shaft () and which is arranged between the housing inlet () and the housing outlet () of the housing () as viewed in the flow direction, and'}{'b': 17', '21', '1', '2', '15', '17', '22, 'at least one bypass duct () which is integrated in the housing () and which connects the housing inlet () to the housing outlet () so as to bypass the compressor chamber (), the bypass duct () having a valve (), wherein'}{'b': 1', '2, 'the housing inlet () and the housing outlet () are formed as an axial inlet and an axial outlet respectively.'}222811. The supercharging device as claimed in claim 1 , wherein the valve () has a valve body () which is guided movably along the longitudinal axis (L) and which is preloaded into a closed position by a spring ().38191821. The supercharging device as ...

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17-02-2022 дата публикации

COOLING ARRANGEMENT FOR COOLING CHARGE AIR OF A SUPERCHARGED INTERNAL COMBUSTION ENGINE

Номер: US20220049644A1

A cooling arrangement for cooling charge air of a supercharged internal combustion engine. In a charge-air line that leads to the internal combustion engine, there are provided a compressor arrangement, which has at least one compressor stage, and an expansion arrangement, which has at least one expansion stage for lowering the pressure level and thus for cooling the charge air. A cooling device is provided between the compressor arrangement and the expansion arrangement. The at least one compressor stage and the at least one expansion stage are connected in series and are respectively connected in terms of drive to an electric motor. The compressor arrangement has at least two compressor stages connected in parallel. 1. A cooling arrangement for cooling charge air of a supercharged internal combustion engine , said cooling arrangement comprising:a compressor arrangement, which has at least two compressor stages connected in parallel, and is connected to a charge-air line that leads to the internal combustion engine,an expansion arrangement, which has at least one expansion stage for lowering a pressure level of the charge air and for cooling the charge air, and is connected to the charge-air line that leads to the internal combustion engine, anda cooling device disposed between the compressor arrangement and the expansion arrangement,wherein the at least two compressor stages and the at least one expansion stage are connected in series and are respectively connected in terms of drive to an electric motor.2. The cooling arrangement as claimed in claim 1 , wherein the expansion arrangement has at least two expansion stages.3. The cooling arrangement as claimed in claim 1 , wherein the cooling device is a charge-air cooler.4. The cooling arrangement as claimed in claim 1 , wherein the compressor arrangement has a first bypass arrangement in relation to the at least one compressor stage.5. The cooling arrangement as claimed in claim 4 , wherein the expansion ...

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30-01-2020 дата публикации

ENGINE DRIVE APPARATUS

Номер: US20200032744A1
Принадлежит:

There is disclosed an engine drive apparatus comprising an engine configured to generate a power by combusting mixed gas of air and gas fuel; a fan assembly arranged in an upstream of the engine and configured to super-charge the mixed gas towards the engine; and a mixer provided in an upstream of the fan assembly and configured to mix the air and the fuel with each other, wherein the fan assembly comprises a motor; and a fan connected with the motor via a shaft to drive, and the air is supplied to the mixer after passing through the motor. 1. An engine drive apparatus comprising:an engine configured to generate a power by combusting mixed gas of air and gas fuel;a fan assembly arranged in an upstream of the engine and configured to super-charge the mixed gas towards the engine; anda mixer provided in an upstream of the fan assembly and configured to mix the air and the fuel with each other,wherein the fan assembly comprisesa motor; anda fan connected with the motor via a shaft to drive, andthe air is supplied to the mixer after passing through the motor.2. The engine drive apparatus of claim 1 , wherein the fan assembly comprisesa fan housing provided to accommodate the fan inside and having an open lower end; anda support bracket configured to support the motor in the upper area of the fan housing, space a apart from the fan housing,an inlet hole is formed in an upper end surface of the fan housing and configured to draw the mixed gas formed by the mixer towards the fan.3. The engine drive apparatus of claim 2 , wherein the support bracket comprises claim 2 ,a motor sheet on which the motor is disposed;a shaft penetrating hole formed in the motor sheet and configured to pass the shaft there through; anda plurality of support frames configured to support the motor sheet in a state of being spaced apart from the inlet hole, andlower ends of the support frames are coupled to coupling grooves that are formed in an outer area of an upper surface of the fan housing with ...

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09-02-2017 дата публикации

AUXILIARY POWER UNIT WITH VARIABLE SPEED RATIO

Номер: US20170037775A1
Принадлежит:

An auxiliary power unit for an aircraft includes a rotary intermittent internal combustion engine drivingly engaged to an engine shaft, a turbine section having an inlet in fluid communication with an outlet of the engine(s), the turbine section including at least one turbine compounded with the engine shaft, and a compressor having an inlet in fluid communication with an environment of the aircraft and an outlet in fluid communication with a bleed duct for providing bleed air to the aircraft, the compressor having a compressor rotor connected to a compressor shaft, the compressor shaft drivingly engaged to the engine shaft. The driving engagement between the compressor shaft and the engine shaft is configurable to provide at least two alternate speed ratios between the compressor shaft and the engine shaft. 1. An auxiliary power unit for an aircraft , comprising:a rotary intermittent internal combustion engine drivingly engaged to an engine shaft;a turbine section having an inlet in fluid communication with an outlet of the rotary intermittent internal combustion engine, the turbine section including at least one turbine compounded with the engine shaft; anda compressor having an inlet in fluid communication with an environment of the aircraft and an outlet in fluid communication with a bleed duct for providing bleed air to the aircraft, the compressor having a compressor rotor connected to a compressor shaft, the compressor shaft drivingly engaged to the engine shaft, the driving engagement between the compressor shaft and the engine shaft configurable to provide at least two alternate speed ratios between the compressor shaft and the engine shaft.2. The auxiliary power unit as defined in claim 1 , wherein the outlet of the compressor is also in fluid communication with an inlet of the rotary intermittent internal combustion engine.3. The auxiliary power unit as defined in claim 2 , wherein the compressor is a first compressor and the compressor shaft is a first ...

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09-02-2017 дата публикации

ELECTRIC COMPRESSOR

Номер: US20170037872A1
Принадлежит:

An electric compressor for compressing a gas, and in particular, an electric compressor for a motor vehicle comprising a compressor wheel, an electric motor, wherein the compressor wheel can be driven by the electric motor, a control unit, wherein the electric motor can be controlled by the control unit, and a housing having at least one open end for receiving the control unit. The housing has at least one recess on the inner circumference at the open end that is designed so as to be open in the direction of the housing interior. The control unit can be inserted into the housing in such a way that it closes the open end of the housing and the recess on the inner circumference. 1. An electric compressor for compressing a gas and configured for use in a motor vehicle , the electric compressor comprising:a compressor wheel;an electric motor, wherein the compressor wheel can be driven by means of the electric motor;a control unit, wherein the electric motor can be controlled by means of the control unit; anda housing, wherein the housing has at least one open end for receiving the control unit, wherein that the housing has at least one recess on the inner circumference at the open end, and wherein the recess is designed so as to be open in the direction of the housing interior such that the control unit can be inserted into the housing in such a way that it closes the open end of the housing and the recess on the inner circumference.2. The electric compressor according to claim 1 , wherein there can be a flow of a cooling fluid through the recess on the inner circumference of the housing.3. The electric compressor according to claim 1 , wherein the control unit is at least partially surrounded by a jacket claim 1 , wherein the jacket is composed of a material of good thermal conductivity.4. The electric compressor according to claim 1 , wherein the housing is of substantially cylindrical design on its housing inner side claim 1 , in the region of the open end.5. The ...

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08-02-2018 дата публикации

INTERNAL COMBUSTION ENGINE INTAKE POWER BOOSTER SYSTEM

Номер: US20180038271A1
Принадлежит:

An internal combustion engine includes an intake conduit fluidically coupled to ambient fluid and having an internal cross-sectional area and an engine cylinder fluidically coupled to the intake conduit. A fluidic amplifier is disposed within the intake conduit and is fluidically coupled to the ambient fluid and engine cylinder. The amplifier is further fluidically coupled to a source of primary fluid and is configured to introduce the primary fluid and at least a portion of the ambient fluid to the engine cylinder. 1. An internal combustion engine , comprising:an intake conduit fluidically coupled to ambient fluid and having an internal cross-sectional area;an engine cylinder fluidically coupled to the intake conduit; anda fluidic amplifier disposed within the intake conduit, the amplifier fluidically coupled to the ambient fluid and engine cylinder, the amplifier further fluidically coupled to a source of primary fluid, the amplifier configured to introduce the primary fluid and at least a portion of the ambient fluid to the engine cylinder.2. The engine of claim 1 , wherein the amplifier occupies less than the internal cross-sectional area of the intake conduit.3. The engine of claim 1 , wherein the amplifier comprises:a convex surface;a diffusing structure coupled to the convex surface; andan intake structure coupled to the convex surface and configured to introduce to the diffusing structure the primary fluid, wherein the diffusing structure comprises a terminal end configured to provide egress from the amplifier for the introduced primary fluid and ambient fluid.4. The engine of claim 3 , wherein the convex surface includes a plurality of recesses.5. The engine of claim 1 , wherein the amplifier is configured to introduce the primary fluid in a pulsed manner at a predetermined frequency.6. The engine of claim 1 , wherein the primary-fluid source comprises an exhaust manifold fluidically coupled to the engine cylinder such that the primary fluid comprises ...

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08-02-2018 дата публикации

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Номер: US20180038273A1
Автор: Iwatani Kazuki
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A control device for an internal combustion engine is configured to control an exhaust gas flow rate adjusting device for adjusting the flow rate of exhaust gas supplied to a turbine of a turbocharger on the basis of the difference between the target value of the first boost pressure at a part of an intake channel between a compressor of the turbocharger and an electrically driven compressor and the detection value of the first boost pressure with a first pressure sensor, and to control the electrically driven compressor on the basis of the difference between the target value of the second boost pressure at a part of the intake channel on the downstream side of the electrically driven compressor and the detection value of the second boost pressure with a second pressure sensor. 1. A control device for an internal combustion engine that includes:an internal combustion engine main body;an intake channel connected to the internal combustion engine main body;an exhaust channel connected to the internal combustion engine main body;a turbocharger that includes a compressor arranged in the intake channel and a turbine arranged in the exhaust channel;an electrically driven compressor arranged at a part of the intake channel on a downstream side of the compressor of the turbocharger;a first pressure sensor configured to detect a first boost pressure which is boost pressure at a part of the intake channel between the compressor of the turbocharger and the electrically driven compressor;a second pressure sensor configured to detect a second boost pressure which is boost pressure at a part of the intake channel on a downstream side of the electrically driven compressor; andan exhaust gas flow rate adjusting device configured to adjust a flow rate of exhaust gas supplied to the turbine,wherein the control device is programmed to control the exhaust gas flow rate adjusting device based on a difference between a target value of the first boost pressure and a detection value of the ...

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08-02-2018 дата публикации

ELECTRIC MACHINE COMPRISING NOISE-REDUCING MEANS

Номер: US20180041091A1
Принадлежит: VALEO SYSTEMES DE CONTROLE MOTEUR

The invention relates to an electric machine () comprising noise-reducing means () designed so as to obtain a resonance frequency of the electric machine within a resonance frequency range that does not match the range of frequency of the harmonics of the electric machine, more precisely between 1500 Hz and 2500 Hz. 1. An electric machine comprising:noise-reducing means configured to achieve a resonance frequency of the electric machine lying within a resonance frequency range that does not match the frequency range of the harmonics of the electric machine.2. The electric machine according to claim 1 , wherein the frequency range of the harmonics is between 1500 Hz and 2500 Hz.3. The electric machine according to claim 1 , comprising at least one stator claim 1 , the noise-reducing means comprising at least one recess claim 1 , formed in the stator claim 1 , associated with means to mechanically insulate the stator in relation to the rest of the electric machine.4. The electric machine according to claim 3 , wherein the insulation means comprise axial insulation means and radial insulation means.5. The electric machine according to claim 4 , wherein the axial insulation means are formed by at least two seals arranged at the radial ends of the stator.6. The electric machine according to claim 4 , wherein the radial insulation means are formed by resin covering the external radial surface of the stator.71. The electric machine according to claim 3 , wherein the recess extends longitudinally in the body of the stator parallel to a longitudinal axis of the stator and has a geometrical form that allows the mechanical stresses on the stator to be limited.8. The electric machine according to claim 3 , wherein the width Lof the internal recess is less than the width Lof a tooth of the stator and is arranged in the axis of a tooth of the stator.9. The electric machine according to claim 3 , wherein the internal recess is formed in the body of the stator at a sufficient ...

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24-02-2022 дата публикации

Gas engine heat pump

Номер: US20220056837A1
Принадлежит: LG ELECTRONICS INC

The present disclosure relates to a gas engine heat pump including: an engine which burns a mixed air of air and fuel; a first exhaust flow path which is connected to the engine so that exhaust gas discharged from the engine passes through and is discharged to the outside; a turbo charger including: a first compressor which compresses the mixed air and supplies to the engine, and a first turbine which is installed in the first exhaust flow path and receives the exhaust gas passing through the first exhaust flow path to drive the first compressor; a supercharger which is installed in the first exhaust flow path between the engine and the first turbine, and receives and compresses the exhaust gas passing through the first exhaust flow path to supply to the first turbine; a second exhaust flow path which is branched from the first exhaust flow path between the engine and the supercharger, and converges to the first exhaust flow path between the supercharger and the first turbine; a first valve which is installed to be opened and closed in the second exhaust flow path; a third exhaust flow path which is branched from the first exhaust flow path between the supercharger and the first turbine, and converges to the first exhaust flow path in downstream of the first turbine; a second valve which is installed to be opened and closed in the third exhaust flow path; and a controller which controls operations of the first valve, the second valve, and the supercharger according to load of the engine.

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24-02-2022 дата публикации

GAS ENGINE HEAT PUMP AND METHOD OF OPERATING THE SAME

Номер: US20220056857A1
Принадлежит:

According to an embodiment of the present disclosure, the gas engine heat pump includes: an engine including an ignition plug for burning a mixture of air and fuel; a compressor connected to the engine, for compressing refrigerant by an operation of the engine; a mixer for mixing the air and the fuel and supplying the mixture to the engine; a zero governor having a valve, for regulating the amount of fuel supply to the mixer; a throttle valve disposed between the mixer and the engine, for regulating the flow of the mixture entering the engine; and a controller, wherein the controller checks a current number of revolutions of the engine upon receiving a command to stop running the engine, changes a target number of revolutions of the engine so that the current number of revolutions of the engine reaches a first reference number of revolutions, if the current number of revolutions of the engine exceeds the first reference number of revolutions, controls the opening degree of the valve included in the zero governor in response to the change in the target number of revolutions of the engine, and controls the ignition plug to stop igniting if the current number of revolutions of the engine reaches a second reference number of revolutions which is lower than the first reference number of revolutions. 1. A gas engine heat pump comprising:an engine including an ignition plug for burning a mixture of air and fuel;a compressor connected to the engine, for compressing refrigerant by an operation of the engine;a mixer for mixing the air and the fuel and supplying the mixture to the engine;a zero governor having a valve, for regulating the amount of fuel supply to the mixer;a throttle valve disposed between the mixer and the engine, for regulating the flow of the mixture entering the engine; anda controller configured to;check a current number of revolutions of the engine upon receiving a command to stop running the engine,change a target number of revolutions of the engine so ...

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07-02-2019 дата публикации

Internal combustion engine

Номер: US20190040803A1
Принадлежит: Innio Jenbacher GmbH and Co OG

An internal combustion engine having: at least one piston-cylinder unit, a turbocharger having an exhaust gas turbine, a catalytic converter connected between the at least one piston-cylinder unit and the exhaust gas turbine, and a control device, wherein the control device is designed to control a fluid-delivery device such that, when the internal combustion engine is in a state in which no combustion and/or ignition takes place in the at least one piston-cylinder unit, the fluid-delivery device delivers fuel-air mixture through the catalytic converter.

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07-02-2019 дата публикации

ADAPTIVE STATE OF CHARGE REGULATION AND CONTROL OF VARIABLE SPEED HYBRID ELECTRIC SUPERCHARGER ASSEMBLY FOR EFFICIENT VEHICLE OPERATION

Номер: US20190040808A1
Принадлежит:

A variable speed hybrid electric supercharger assembly is controlled to regulate an adaptive state of charge of an energy storage device and/or to boost an engine based on a performance mode selected by a driver. In one example, a reference state of charge is determined based upon driving characteristics of a vehicle and compared to an actual state of charge of the energy storage device. If the difference indicates a deficit, an operation mode is selected to regenerate the energy storage device. In another example, a planetary gearing arrangement between an engine and an electric motor is configured to increase or decrease power transferred to the supercharger by the engine based upon the performance mode selected by the driver. 1. A supercharger assembly for an engine , the supercharger assembly comprising:a supercharger configured to provide boost to the engine;an electric motor coupled to the supercharger; and increase power transferred to the supercharger by the engine using the electric motor to increase the boost to the engine; and', 'decrease power transferred to the supercharger by the engine to decrease the speed of the supercharger to decrease the boost to the engine,, 'a planetary gearing arrangement coupled between the engine and the electric motor, the planetary gearing arrangement being configured towherein the boost provided by the supercharger to the engine is controlled based upon a performance mode selected by a driver.2. The supercharger assembly of claim 1 , wherein the performance mode includes one of an economy performance mode and an enhanced performance mode.3. The supercharger assembly of claim 2 , wherein the boost is increased in the enhanced performance mode.4. The supercharger assembly of claim 3 , wherein the electric motor drives the supercharger to increase the boost.5. The supercharger assembly of claim 2 , wherein the boost is decreased in the economy performance mode.6. The supercharger assembly of claim 5 , wherein the planetary ...

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18-02-2021 дата публикации

APPARATUS AND METHOD FOR CONTROLLING HYBRID VEHICLE HAVING ELECTRIC SUPERCHARGERS

Номер: US20210046919A1
Принадлежит:

An apparatus and a method for controlling a hybrid vehicle are provided. The apparatus includes an engine that generates power by combusting fuel and a drive motor that supplements the power from the engine and operates selectively as an electric generator to produce electrical energy. A clutch is disposed between the engine and the drive motor and a battery supplies electrical energy to the drive motor and is charged with the electrical energy produced by the drive motor. Multiple electric superchargers are installed in multiple intake lines through which outside air to be supplied into a combustion chamber of the engine flows. A controller determines an operation mode of the multiple electric superchargers based on required power of a driver and a state of charge (SOC) of the battery and adjusts the power output from the engine and the power output from the drive motor. 1. An apparatus for controlling a hybrid vehicle , comprising:an engine configured to generate power by combusting fuel;a drive motor configured to supplement the power from the engine and operate selectively as an electric generator to produce electrical energy;a clutch disposed between the engine and the drive motor;a battery configured to supply electrical energy to the drive motor and be charged with the electrical energy produced by the drive motor;multiple electric superchargers installed in multiple intake lines through which outside air to be supplied into a combustion chamber of the engine flows; anda controller configured to determine an operation mode of the multiple electric superchargers based on required power of a driver and a state of charge (SOC) of the battery and adjust power output from the engine and power output from the drive motor.2. The apparatus of claim 1 , wherein the required power is determined based on an engagement degree of an accelerator pedal position sensor (APS) mounted within a vehicle and the required power is divided into a highest load state claim 1 , a high ...

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06-02-2020 дата публикации

Gas Turbine Engine Heaters

Номер: US20200040762A1
Принадлежит:

An engine heater system for heating a diesel engine of a vehicle. The engine heater system including a gas turbine. A heat exchanger communicatively coupled to an exhaust of the gas turbine. An electric generator including connection members to couple to a battery of the vehicle, and a shaft rotatably attached between the gas turbine and the electric generator. The heat exchanger utilizes the exhaust of the gas turbine to keep the diesel engine of the vehicle within a desired temperature range, and the electric generator charges the battery when the gas turbine rotates the shaft. 1. An engine heater system for heating a diesel engine of a vehicle , the engine heater system comprising:a gas turbine;a heat exchanger communicatively coupled to an exhaust of the gas turbine;an electric generator including connection members to couple to a battery of the vehicle; anda shaft rotatably attached between the gas turbine and the electric generator;wherein the heat exchanger utilizes the exhaust of the gas turbine to keep the diesel engine of the vehicle within a desired temperature range, and the electric generator charges the battery when the gas turbine rotates the shaft.2. The engine heater system of claim 1 , wherein the engine heater system is onboard of the vehicle.3. The engine heater system of claim 1 , wherein the vehicle comprises a locomotive claim 1 , a ship claim 1 , or a truck.4. The engine heater system of claim 1 , wherein the electric generator further includes connection members to couple to an electric motor of a coolant pump.5. The engine heater system of claim 1 , wherein the heat exchanger utilizes the exhaust of the gas turbine to heat an engine oil of the diesel engine of the vehicle to keep the diesel engine within the desired temperature range.6. The engine heater system of claim 1 , wherein the heat exchanger utilizes the exhaust of the gas turbine to heat an engine coolant of the diesel engine of the vehicle to keep the diesel engine within the ...

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06-02-2020 дата публикации

CONTROLLING AN ELECTRONICALLY-ASSISTED TURBOCHARGER

Номер: US20200040811A1
Принадлежит: Calnetix Technologies, LLC

A first line-to-line terminal voltage of a three-phase electric motor is measured while the three-phase electric motor free-spins. A second line-to-line terminal voltage of a three-phase electric motor is measured while the three-phase electric motor free-spins. A motor's rotor position is determined based on the first line-to-line terminal voltage and the second line-to-line terminal voltage. Three-phase current is sent to the motor after the rotor position has been determined. The three-phase current being in-phase with the rotor position. 1. A method of controlling an electrically assisted turbocharger:measuring a first line-to-line terminal voltage of a three-phase electric motor while the three-phase electric motor free-spins;measuring a second line-to-line terminal voltage of a three-phase electric motor while the three-phase electric motor free-spins;determining a motor's rotor position based on the first line-to-line terminal voltage and the second line-to-line terminal voltage; andsending a three-phase current to the motor after the rotor position has been determined, the three-phase current being in-phase with the motor's rotor position.2. The method of claim 1 , wherein the motor is a permanent magnet synchronous motor.3. The method of claim 1 , wherein sending three-phase current to the motor comprises approximating a sine wave with pulse width modulation.4. The method of claim 1 , further comprising accelerating the motor to a pre-set speed.5. The method of claim 4 , wherein the motor is coupled to or integrated in a turbocharger claim 4 , the method further comprising accelerating the turbocharger to the pre-set speed.6. The method of claim 5 , further comprising allowing the motor to free-spin once the pre-set speed is reached.9. The method of claim 8 , wherein determining the motor's rotor position comprises using a phase lock loop to generate a voltage phase angle.10. The method of claim 9 , wherein using the phase lock loop comprises regulating Vto ...

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06-02-2020 дата публикации

Combustor Systems

Номер: US20200041130A1
Принадлежит: Hotstart Inc

An engine heater system for heating a diesel engine of a vehicle. The engine heater system including a gas turbine. A heat exchanger communicatively coupled to an exhaust of the gas turbine. An electric generator including connection members to couple to a battery of the vehicle, and a shaft rotatably attached between the gas turbine and the electric generator. The heat exchanger utilizes the exhaust of the gas turbine to keep the diesel engine of the vehicle within a desired temperature range, and the electric generator charges the battery when the gas turbine rotates the shaft.

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18-02-2016 дата публикации

SUPERCHARGING SYSTEM AND METHOD FOR OPERATING A SUPERCHARGING SYSTEM

Номер: US20160047298A1
Автор: Lofgren Isak
Принадлежит:

A supercharging system includes a charging device having a turbine and a compressor, the compressor having a high speed shaft; a planetary gear set coupled to the high speed shaft and an electric motor, or generator, via a low speed drive shaft; a clutch unit; a power transmission for connecting a crank shaft of the combustion engine to the drive shaft via the clutch unit; at least one sensor to measure at least one physical parameter of the exhaust gases inside, or after having passed, an exhaust gas catalyzer of the internal combustion engine, the at least one sensor being configured to provide an output signal representing a measured value of the at least one physical parameter; and a system control unit to receive the output signal and to control the speed or effect of the electric motor, or generator, based on the output signal. A method is also disclosed. 1. A supercharging system for an internal combustion engine comprising:a charging device having a turbine and a compressor, said compressor having a high speed shaft;a planetary gear set coupled to said high speed shaft and an electric motor, or generator, via a low speed drive shaft;a clutch unit;a power transmission for connecting a crank shaft of the combustion engine to said drive shaft via the clutch unit;at least one sensor to measure at least one physical parameter of the exhaust gases inside, or after having passed, an exhaust gas catalyzer of said internal combustion engine, the at least one sensor being configured to provide an output signal representing a measured value of said at least one physical parameter; anda system control unit, configured to receive said output signal from the at least one sensor and configured to control the speed or effect of said electric motor, or generator, based on said output signal.2. The supercharging system according to claim 1 , wherein the turbine is a variable nozzle turbine comprising at least one variable nozzle turbine vane claim 1 , wherein the system ...

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16-02-2017 дата публикации

METHOD AND SYSTEM FOR EXHAUST EMISSIONS CONTROL

Номер: US20170044948A1
Принадлежит:

A twin charged engine is provided comprising a catalytic converter; a first compressor which, when operated, increases engine load; a second compressor which extracts energy from the exhaust gases to increase the overall engine efficiency; and a controller configured to operate one of at least two modes. A first mode is a standard operating mode in which the system is configured to optimise the efficiency of running of the engine. A second mode is for use under special conditions. 1. A method for a boosted engine , comprising: maximally opening a turbocharger wastegate valve;', 'increasing boost by driving a supercharger with an engine crankshaft through a geartrain, a first and second electric machine further coupled to the supercharger via the geartrain; and', 'absorbing excess engine output at the first machine, the desired boost level based on catalyst temperature relative to the desired temperature., 'responsive to catalyst temperature below a desired temperature,'}2. The method of claim 1 , wherein the desired boost level is further based on driver demanded torque.3. The method of claim 1 , wherein the desired boost level is increased as one or more of the driver demanded torque increases claim 1 , and a difference between the catalyst temperature and the desired temperature increases.4. The method of claim 2 , further comprising claim 2 , adjusting claim 2 , via an intake throttle claim 2 , an intake airflow to the engine based on the desired boost level.5. The method of claim 4 , further comprising claim 4 , operating the engine with spark timing retard claim 4 , an amount of spark retard based on the driver demanded torque.6. The method of claim 4 , wherein absorbing excess engine output includes absorbing an excess engine torque corresponding to a difference between driver demanded torque and actual engine torque claim 4 , the actual engine torque determined as a function of the intake airflow and the amount of spark retard.7. The method of claim 6 , ...

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15-02-2018 дата публикации

PACKAGED ELECTRICAL ASSIST ASSEMBLY FOR SUPERCHARGED POWER PLANT

Номер: US20180045103A1
Принадлежит: EATON CORPORATION

Packaged boost systems and electrical assist assemblies presented. In one example, packaged boost system includes a supercharger, a brake assembly, and a transmission assembly that are packaged together in a generally axisymmetric configuration. In one example, a packaged electrical assist assembly includes a supercharger, a transmission assembly, and a brake assembly that are packaged together in a generally axisymmetric configuration. 1. A packaged boost system for a power plant , the hybrid boost system comprising:a. a supercharger housing a pair of Roots-type rotors operably coupled to a supercharger input shaft;b. a brake assembly having a brake operably coupled to a brake shaft, the brake being configured to provide a braking force on the brake shaft when a current is applied to the brake, the brake shaft being coupled to the supercharger input shaft;c. a planetary gear set including a sun gear, a ring gear and a carrier that carries planetary gears, the carrier, the sun gear and the ring gear being configured to rotate about a central axis of the planetary gear set, wherein the sun gear is coupled to the brake shaft;d. a first power transmission component operably coupled to the carrier, the first power transmission component being configured to engage with a power input of the power plant; ande. a second power transmission component operably connected to the ring gear, the second power transmission component being configured to engage with an electric motor.2. The packaged boost system of claim 1 , wherein:a. the first and second power transmission components are first and second pulleys and the power plant is an internal combustion engine;b. the first pulley is configured to engage with a front end accessory drive of the internal combustion engine via a first drive belt; andc. the second pulley is configured to engage with the electric motor via a second drive belt.3. The packaged boost system of claim 1 , wherein the brake assembly is housed in a brake ...

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15-02-2018 дата публикации

CHARGER, IN PARTICULAR AN EXHAUST GAS TURBO CHARGER, FOR A DRIVE DEVICE AND CORRESPONDING DRIVE DEVICE

Номер: US20180045108A1
Принадлежит:

An exhaust gas turbocharger for a drive device, having a compressor that is capable of being electrically supported or driven by a media gap motor, the media gap motor having a rotor that is operatively connected to a bearing shaft of a compressor impeller of the compressor, and having a stator that surrounds the rotor at least in some regions in the circumferential direction relative to an axis of rotation of the bearing shaft. A power electronics for controlling at least one electrical winding of the stator surrounds the axis of rotation at least in some regions in the circumferential direction, a cooling jacket that stands in touch contact with the stator and/or with the power electronics being provided for cooling the stator and/or the power electronics. 110-. (canceled)11. An exhaust gas turbocharger for a drive device , comprising:a compressor that is capable of being electrically supported or driven by a media gap motor, the media gap motor having a rotor that is operatively connected to a bearing shaft of a compressor impeller of the compressor, and having a stator that surrounds the rotor at least in some regions in a circumferential direction relative to an axis of rotation of the bearing shaft;wherein a power electronics for controlling at least one electrical winding of the stator surrounds the axis of rotation at least in some regions in the circumferential direction, a cooling jacket that stands in touch contact with at least one of the stator and the power electronics, being provided for cooling the at least one of the stator and the power electronics.12. The charger as recited in claim 11 , wherein the cooling jacket surrounds the stator at least partly in the circumferential direction.13. The charger as recited in claim 11 , wherein the inner circumference of the cooling jacket stands in touch contact with an outer circumference of the stator.14. The charger as recited in claim 11 , wherein an end face that limits the cooling jacket in an axial ...

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15-02-2018 дата публикации

ENGINE INTAKE AND EXHAUST FLOW MANAGEMENT

Номер: US20180045109A1
Принадлежит: EATON CORPORATION

An engine system including a power plant, an intake assist device connected to an air inlet of the power plant, and an expander connected to an exhaust outlet of the power plant is presented. A motor/generator is connected to power the expander to selectively provide power to and capture power from the expander. An expander controller is connected to control the motor/generator connection to the expander, and is configured to select between a passive mode, where exhaust passively moves through the expander, and an active mode, where the motor/generator powers the expander to actively draw exhaust from the exhaust manifold. In one example, the air intake and exhaust flows are controlled independently of the rotational speed of the power plant. 1. A power generation system , comprising:a. a power plant having a crankshaft, an air intake system, and an exhaust outlet;b. an expander including a pair of symmetric rotors in fluid communication with the exhaust outlet, the expander including a drive shaft operably connected to one of the rotors;c. a motor/generator coupled to the expander drive shaft; andd. a controller connected to control the power plant air intake system, the motor/generator, the controller being configured to operate the motor/generator and the air intake system such that an air intake flow into the power plant and an exhaust air flow out of the power plant are controlled independently of a rotational speed of the power plant crankshaft.2. The power generation system of claim 1 , wherein the air intake system includes an intake assist device.3. The power generation system of claim 1 , wherein the controller is configured to select between:a. a passive mode, wherein the exhaust air flow passively moves through the expander to drive the motor/generator; andb. an active mode, wherein the motor/generator powers the expander to impose a vacuum at the exhaust outlet to actively draw the exhaust air flow from the power plant.4. The power generation system of ...

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22-02-2018 дата публикации

Method and Apparatus for Controlling a Two-Stage Air Charging System with Mixed EGR

Номер: US20180051639A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A two-stage air charging system for an internal combustion engine with mixed exhaust gas recirculation includes a high pressure exhaust gas recirculation loop, a low pressure exhaust gas recirculation loop, an air throttle system, a turbo air charging system, and an electric air charging system. A method to control the system includes monitoring desired operating target commands and operating parameters. Feedback control signals are determined based upon the monitored desired operating target commands and the monitored operating parameters. The two-stage air charging system is controlled based on system control commands for each of the high pressure exhaust gas recirculation loop, the low pressure exhaust gas recirculation loop, the air throttle system, the turbo air charging system and the electric air charging system.

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22-02-2018 дата публикации

Method for operating a drive device of a motor vehicle and corresponding drive device

Номер: US20180051641A1
Автор: Werner Wilding
Принадлежит: Audi AG

A method for operating a drive device of a motor vehicle is disclosed. The drive device has a compressor, which can be driven by an electric motor for supplying combustion fresh gas to an internal combustion engine of the motor vehicle. At a power increase of the internal combustion engine, the compressor is driven with the electric motor so that a torque curve selected from a plurality of different torque curves is established at the internal combustion engine over its rotational speed.

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23-02-2017 дата публикации

METHOD AND SYSTEM TO REDUCE CHARGE AIR COOLER CONDENSATION

Номер: US20170051659A1
Принадлежит:

Methods and systems for operating an engine that includes a compressor and charge air cooler are disclosed. In one example, air flow through the charge air cooler is increased in response to condensation accumulating in the charge air cooler without increasing engine torque. Air flow through the charge air cooler is increased to gradually reduce condensation within the charge air cooler. 1. A method for operating engine compressors , comprising:passing air through a first compressor and a second compressor in an engine air intake; andreturning a portion of air passing through the second compressor to the engine air intake downstream of the first compressor and upstream of the second compressor via opening a charge air cooler bypass valve.2. The method of claim 1 , where the portion of air passing through the second compressor to the engine air intake downstream of the first compressor and upstream of the second compressor is returned in response to condensation in a charge air cooler greater than a threshold.3. The method of claim 1 , where the first compressor is a turbocharger compressor claim 1 , and where the second compressor is an electrically driven compressor.4. The method of claim 1 , further comprising increasing a speed of the second compressor in response to an indication of condensation in a charge air cooler greater than a threshold.5. The method of claim 1 , further comprising returning the portion of air passing through the second compressor to an inlet of a charge air cooler.6. The method of claim 1 , where the charge air cooler bypass valve bypasses a charge air cooler claim 1 , and where the portion of air passing through the second compressor is returned in response to a charge air cooler condensation estimate that is based on output of a humidity sensor.7. The method of claim 6 , where the charge air cooler condensation estimate is further based on air temperature and charge air cooler temperature.8. A method for operating engine compressors ...

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10-03-2022 дата публикации

Apparatus and Method for Diagnosing Failure of Bypass Valve

Номер: US20220074812A1
Принадлежит: Vitesco Technologies GmbH

Some embodiments of the teachings herein include an apparatus for diagnosing bypass valve failure in an electric supercharger with a motor and an electric compressor comprising: a bypass valve on a bypass line branching from an intake line with the electric supercharger; and a control unit which assesses the vehicle-state information to determine whether failure criteria of a bypass valve start are satisfied. If the failure criteria are satisfied, the control unit transmits ‘open’ or ‘close’ control instructions to the bypass valve and transmits, to the electric supercharger, a specific rotational-speed target value for determining whether the bypass valve is in the normal open state or the normal closed state, thereby determining whether the bypass valve is subject to stuck-open failure or stuck-closed failure. 1. An apparatus for diagnosing bypass valve failure in an electric supercharger with a motor and an electric compressor actuated by the motor to supply supercharged air to the combustion chamber of an engine , the apparatus comprising:a bypass valve on a bypass line branching from an intake line with the electric supercharger, wherein the bypass valve joins the intake line at the front end of a throttle valve for adjusting an intake amount supplied to the combustion chamber;a vehicle-state input unit receiving vehicle-state information; anda control unit which assesses the vehicle-state information to determine whether failure criteria of a bypass valve start are satisfied; andif the failure criteria are satisfied, the control unit transmits ‘open’ or ‘close’ control instructions to the bypass valve and transmits, to the electric supercharger, a specific rotational-speed target value for determining whether the bypass valve is in the normal open state or the normal closed state, thereby determining whether the bypass valve is subject to stuck-open failure or stuck-closed failure.2. The apparatus for diagnosing bypass valve failure of claim 1 , wherein the ...

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03-03-2016 дата публикации

Engine system including turbocharger and supercharger

Номер: US20160061101A1
Автор: Jongman Jun, Kihoon Nam
Принадлежит: Hyundai Motor Co

An engine system, that includes a turbocharger and a supercharger, forms a boost pressure in an intake with the turbocharger, complements an insufficient boost pressure with the supercharger and supplies an exhaust gas from an exhaust line to an intake line.

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03-03-2016 дата публикации

Internal combustion engine system

Номер: US20160061102A1
Автор: Satoshi Sugiyama
Принадлежит: Toyota Motor Corp

An internal combustion engine system includes: a turbosupercharger having a turbo-compressor arranged in a first intake passage; a throttle valve provided on a downstream side relative to the turbo-compressor; a second intake passage that bypasses the turbo-compressor; and an electric supercharger in which a compressor wheel disposed in the second intake passage is driven by an electric motor. When a request to decelerate the internal combustion engine is issued during driving of the compressor wheel by the electric motor, driving of the compressor wheel by the electric motor is stopped before the throttle valve starts a valve closing operation, and the intake bypass valve opens at or after a time at which a valve closing operation of the throttle valve starts.

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03-03-2016 дата публикации

INTERNAL COMBUSTION ENGINE SYSTEM

Номер: US20160061104A1
Автор: HIRAYAMA Yuki
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

An internal combustion engine system includes: an electric supercharger and a turbo-compressor that are arranged in series in that order; a first intake bypass passage that bypasses the turbo-compressor; and a first intake bypass valve that opens and closes the first intake bypass passage. In a case where a request to decelerate the internal combustion engine is issued during driving of the compressor wheel by the electric motor, driving of the compressor wheel by the electric motor is stopped simultaneously with the start of an opening operation by the first intake bypass valve. 1. An internal combustion engine system , comprising:a turbosupercharger including a turbine that is provided in an exhaust passage and that operates by means of exhaust energy of an internal combustion engine, and a turbo-compressor that is provided in an intake passage and that is driven by the turbine and that is configured to supercharge intake air;an electric supercharger that includes a compressor wheel disposed in the intake passage at a position on an upstream side relative to the turbo-compressor, and an electric motor configured to drive the compressor wheel, and that is configured to supercharge intake air by driving the compressor wheel by means of the electric motor;a first intake bypass passage that bypasses the turbo-compressor;a first intake bypass valve configured to open and close the first intake bypass passage; anda controller, the controller configured to:open the first intake bypass valve in a case where a deceleration request with respect to the internal combustion engine is issued during driving of the compressor wheel by the electric motor; andstop driving of the compressor wheel by the electric motor at a same time as the first intake bypass valve starts a valve opening operation or after the first intake bypass valve starts a valve opening operation, in a case where the deceleration request is issued during driving of the compressor wheel by the electric motor.2. ...

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03-03-2016 дата публикации

AIR SUPPLY CONCEPTS TO IMPROVE EFFICIENCY OF VCRC ENGINES

Номер: US20160061161A1
Автор: COWANS Kenneth W.
Принадлежит:

The air supply to internal combustion engines using variable compression ratio and variable fuel supply VCRC, is improved. The improvements involve increasing thermal efficiency and/or reducing production of pollutants by this engine. The improvements can also be used with other engines that are regulated by fuel supply such as two-stroke diesel engines. These improvements are directed to engines in two basic categories; those with mechanical blowers only and those with turbo charging. 119-. (canceled)20. In a two-stroke internal combustion engine of the type in which output torque is controlled by fuel delivery and in which pollutants are minimized , while efficiency is enhanced by starting sequential combustion of fuel and air in a cyclically varying expansion volume comprising a device to initiate ignition for a first phase of combustion with a substantially uniform mixture of the fuel and air , enough richer than stoichiometric to suppress the formation of oxides of nitrogen , with said cyclically varying expansion volume containing substantially all the fuel to be burned in one cycle together with only some of the air in one cycle , and with the subsequent combining of the combustion products of said first phase of combustion with all the remaining air in said one cycle to substantially complete the combustion of all the fuel in a second phase of combustion , the two-stroke internal combustion engine including:a. a blower providing air flow to said engine;b. a coupling driving said blower, said engine, said coupling being usable to control a ratio of a rotational speed of said engine to a rotational speed of said blower;c. a controllable throttle valve in the air flow out of said blower to said engine;d. a passage between the air flow out of said controllable throttle valve and the exterior air;e. a controllable vent valve located at an end of said passage remote from said controllable throttle valve, said controllable vent valve normally being closed; andf. a ...

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02-03-2017 дата публикации

METHOD AND DEVICE FOR OPERATING A DRIVE SYSTEM INCLUDING AN INTERNAL COMBUSTION ENGINE

Номер: US20170058796A1
Принадлежит:

A method for operating a drive system including an internal combustion engine, the drive system including an electromotively-assisted exhaust-driven supercharging device or a strictly electrically operated supercharging device, the method including checking on whether a gear change has been initiated and a drive train has been disengaged accordingly; upon detecting an initiated gear change, adjusting the compressor power of the supercharging device by additionally facilitating electric power to the electromotively-assisted exhaust-driven supercharging device or to the strictly electrically operated supercharging device, in such a way that, at least toward the end of the gear change, a charging pressure is made available in a charging pressure section of the drive system which is higher than a charging pressure resulting at a compressor power, which corresponds to the exhaust gas enthalpy of the internal combustion engine provided during the gear change. 1. A method for operating a drive system including an internal combustion engine having an at least partially electrically effectuated compression , the drive system including an electromotively-assisted exhaust-driven supercharging device or a strictly electrically operated supercharging device , the method comprising:checking whether a gear change has been initiated and a drive train has been disengaged accordingly;upon detecting an initiated gear change, adjusting a compressor power of the supercharging device by additionally facilitating electrically effectuated compressor power to the electromotively-assisted exhaust-driven supercharging device or to the strictly electrically operated supercharging device, so that, at least toward an end of the gear change, a charging pressure is made available in a charging pressure section of the drive system which is higher than a charging pressure resulting at a compressor power which corresponds to an exhaust gas enthalpy of the internal combustion engine provided during ...

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02-03-2017 дата публикации

METHOD OF AND APPARATUS FOR OPERATING A SUPERCHARGER

Номер: US20170058797A1
Автор: BARKER LUKE
Принадлежит:

A method of and apparatus for operating a supercharger for an automotive engine is disclosed. The supercharger has: an input shaft for coupling to an engine crankshaft, and coupled to the rotor of a first electrical machine and a first component of an epicyclic gear train; and an output shaft connected to a compressor and a second component of the epicyclic gear train; wherein the third component of the epicyclic gear train is connected to the rotor of a second electrical machine. The first electrical machine is selectively operable to supply electrical energy to the second electrical machine. The method includes the steps of: (a) calculating a required speed of the second electrical machine that would give rise to a required pressure at an outlet of the compressor; and (b) setting the speed of the second electrical machine to the calculated required speed. 1. A method of operating a supercharger for an automotive engine , the supercharger having: an input shaft for coupling to an engine crankshaft , and coupled to a rotor of a first electrical machine and a first component of an epicyclic gear train; and an output shaft connected to a compressor and a second component of the epicyclic gear train; wherein a third component of the epicyclic gear train is connected to a rotor of a second electrical machine , wherein the first electrical machine is selectively operable to supply electrical energy to the second electrical machine , and wherein the method includes the steps of:(a) calculating, using a controller, a required rotor speed of the second electrical machine that would give rise to a given target engine inlet pressure using a model-based approach; and(b) setting, using the controller, the rotor speed of the second electrical machine to the calculated required rotor speed.2. A method according to claim 1 , wherein step (a) includes sensing the supercharger input shaft speed claim 1 , the pressure and temperature at an inlet of a compressor of the supercharger ...

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04-03-2021 дата публикации

RECIPROCATING ENGINE SYSTEM WITH ELECTRICALLY DRIVEN COMPRESSOR AND METHOD FOR OPERATING SAME

Номер: US20210062711A1
Принадлежит:

A reciprocating engine system includes a turbocharger system including a mechanically driven compressor, an electrically driven compressor, and a compressor bypass valve. A control system is programmed for generating control signals for: under nominal full load operating conditions, minimizing gas flow through the compressor bypass valve and compressing gas within the electrically driven compressor to maintain a speed set point or a full load power set point of the reciprocating engine system, under off nominal full load operating conditions wherein an efficiency of the mechanically driven compressor is reduced, compressing gas within the electrically driven compressor to compensate for the reduced efficiency of the mechanically driven compressor and to maintain the speed set point or the full load power set point of the reciprocating engine system, and under partial load operating conditions, partially diverting the gas flow through the compressor bypass valve in response to the reduced load. 1. A reciprocating engine system comprising:a turbocharger system comprising a mechanically driven compressor, an electrically driven compressor coupled to the mechanically driven compressor, and a compressor bypass valve;an engine block for receiving gas from the turbocharger system; anda control system for controlling operation of the electrically driven compressor, the compressor bypass valve, and the engine block, the control system programmed for generating control signals for:under nominal full load operating conditions, minimizing gas flow through the compressor bypass valve and compressing gas within the electrically driven compressor to maintain a speed set point or a full load power set point of the reciprocating engine system,under off nominal full load operating conditions wherein an efficiency of the mechanically driven compressor is reduced, compressing gas within the electrically driven compressor to compensate for the reduced efficiency of the mechanically ...

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05-03-2015 дата публикации

Electric energy generation using variable speed hybrid electric supercharger assembly

Номер: US20150066272A1
Принадлежит: Eaton Corp

An example method for selecting between modes of regeneration of an energy storage device of a vehicle includes: determining operating conditions of the vehicle; and when regeneration is appropriate based upon the operating conditions, regenerating the energy storage device, including selecting between a nonperformance-impacting regeneration mode and a performance-impacting regeneration mode.

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28-02-2019 дата публикации

METHOD AND SYSTEM FOR A BOOSTED ENGINE

Номер: US20190063347A1
Принадлежит:

Methods and systems are provided for coordinated control of a compound boosting system, including a first compressor staged upstream of a second compressor in an engine intake. In one example, a method may include operating the second, downstream compressor in steady-state to achieve an overall pressure ratio across the compound boosting system while operating the first, upstream compressor transiently, based on an airflow shortfall at the downstream compressor. A timing and amount of electric assistance provided to transiently operate the first, upstream compressor may be adjusted dynamically as the pressure ratio across the second compressor changes. 1. A method , comprising:responsive to driver torque demand,generating an overall pressure ratio command for a first, slower, compression device of an engine intake; andadjusting a pressure ratio command for a second, faster, compression device in the engine intake responsive to a boost pressure shortfall required for the driver torque demand.2. The method of claim 1 , wherein the generating includes generating the overall pressure ratio command based on the driver torque demand claim 1 , wherein the boost pressure shortfall includes one of an airflow shortfall and a pressure ratio shortfall claim 1 , and wherein the adjusting includes estimating an actual pressure ratio across the first compression device claim 1 , estimating the boost pressure shortfall based on the actual pressure ratio relative to the overall pressure ratio command claim 1 , and adjusting the pressure ratio command for the second compression device based on the boost pressure shortfall.3. The method of claim 2 , wherein the adjusting further includes dynamically reducing the boost pressure shortfall as the actual pressure ratio across the first compression device approaches the overall pressure ratio command claim 2 , and dynamically adjusting the pressure ratio command for the second compression device as the boost pressure shortfall reduces.4. ...

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28-02-2019 дата публикации

METHOD AND SYSTEM FOR A BOOSTED ENGINE

Номер: US20190063348A1
Принадлежит:

Methods and systems are provided for coordinated control of a compound boosting system, including a first compressor staged upstream of a second compressor in an engine intake. In one example, a method may include operating the second, downstream compressor in steady-state to achieve an overall pressure ratio across the compound boosting system while operating the first, upstream compressor transiently, based on an airflow shortfall at the downstream compressor. A timing and amount of electric assistance provided to transiently operate the first, upstream compressor may be adjusted dynamically as the pressure ratio across the second compressor changes. 1. A method , comprising:operating a first compression device of an engine intake based on operator torque demand; and operating an electric motor in a motor mode to provide positive motor torque to a second compression device of the engine intake while an airflow shortfall at the first compression device is higher than a threshold;', 'operating the electric motor in a generator mode to provide negative motor torque to the second compression device while the airflow shortfall at the first compression device is smaller than the threshold; and', 'disconnecting the second compression device, bypassing the second compression device by opening a bypass valve of the second compression device, and providing compressed air via only the first compression device when there is substantially no airflow shortfall at the first compression device., 'while operating the first compression device24-. (canceled)5. The method of claim 1 , wherein providing positive motor torque to the second compression device includes accelerating the second compression device and increasing a pressure ratio across the second compression device claim 1 , and wherein providing negative motor torque to the second compression device includes decelerating the second compression device and decreasing the pressure ratio across the second compression device.6. ...

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29-05-2014 дата публикации

Electric supercharging device and multi-stage supercharging system

Номер: US20140144412A1
Принадлежит: Mitsubishi Heavy Industries Ltd

It is intended to provide: an electric supercharging apparatus wherein, with a simple structure, rotor windage loss in an electric motor for driving a compressor is reduced and good cooling performance is produced; and a multi-stage supercharging system using the electric supercharging device. This electric supercharging apparatus is provided with: a first cooling passage formed in a stator along a motor coil and communicating a gas supply port with a gas discharge port in a motor housing; and a first intake passage connecting the gas discharge port to an intake port of a compressor. This electric supercharging apparatus is configured to introduce outside air into the first cooling passage via the gas supply port by applying negative pressure to the first cooling passage via the first intake passage, thereby cooling the inside of the motor housing.

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27-02-2020 дата публикации

Supercharging Device for an Internal Combustion Engine of a Motor Vehicle, and Method for Operating a Supercharging Device of This Kind

Номер: US20200063648A1
Автор: GEROLD Josef
Принадлежит:

A supercharging device for an internal combustion engine of a motor vehicle includes: an exhaust-gas turbocharger having a turbine wheel that can be driven by exhaust gas from the internal combustion engine and a first compressor wheel that can be driven by the turbine wheel, by which first compressor wheel air being supplied to the internal combustion engine is compressed; an electric compressor having an electric machine and a second compressor wheel that can be driven by the electric machine, by which second compressor wheel air being supplied to the internal combustion engine is compressed; and an overrun air recirculation device associated with the first compressor wheel, by which, when there is a reduction in load on the internal combustion engine, a portion of the air compressed by the first compressor wheel can be branched off at a first point arranged downstream of the first compressor wheel and can be fed back from the first point to a second point arranged upstream of the first compressor wheel, wherein the supercharging device supplies the second compressor wheel with the branched-off air such that the second compressor wheel and, via the second compressor wheel, the electric machine, can be driven by the branched-off air. 1. A supercharging device for an internal combustion engine of a motor vehicle , comprising:at least one exhaust-gas turbocharger having a turbine wheel which is drivable by exhaust gas of the internal combustion engine and a first compressor wheel which is drivable by the turbine wheel and which is provided for compressing air for feeding to the internal combustion engine;at least one electric compressor having an electric machine and a second compressor wheel which is drivable by the electric machine and which is provided for compressing air for feeding to the internal combustion engine; andan overrun air recirculation device assigned to the first compressor wheel and by which, in an event of a load reduction of the internal ...

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09-03-2017 дата публикации

METHOD AND SYSTEM TO OPERATE A COMPRESSOR FOR AN ENGINE

Номер: US20170067393A1
Принадлежит:

Methods and systems for operating an engine that includes two compressors is disclosed. In one example, an electrically driven compressor is activated in response to conditions where a turbocharger compressor speed oscillates. The electrically driven compressor is activated to cancel engine air intake flow oscillations that may be caused by the turbocharger compressor. 1. A method for operating engine compressors , comprising:receiving sensor data to a controller; andactivating a second compressor in an engine intake via the controller in response to a first compressor being within a threshold air flow of a surge condition based on the sensor data.2. The method of claim 1 , where the second compressor is activated from a deactivated state claim 1 , and further comprising adjusting a speed of the second compressor to provide a pressure at an output of the second compressor that is 180 degrees out of phase of a pressure at an output of the first compressor.3. The method of claim 1 , where the sensor data includes a pressure ratio across the first compressor claim 1 , and further comprising adjusting a speed of the second compressor based on a position of a compressor bypass valve of the first compressor.4. The method of claim 1 , where the sensor data includes air flow through the first compressor.5. The method of claim 1 , where the first compressor is positioned along the engine air intake upstream of the second compressor.6. The method of claim 1 , where the second compressor is an electrically driven compressor.7. The method of claim 1 , where the second compressor is controlled to a speed based on a pressure in the engine intake.8. A method for operating engine compressors claim 1 , comprising:receiving sensor data to a controller; andadjusting air flow through a second compressor in an engine intake via the controller in response to a first compressor being within a threshold air flow of a surge condition based on the sensor data.9. The method of claim 8 , where ...

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11-03-2021 дата публикации

Apparatus and Method for Increasing Air Flow and Air Velocity Entering the Air Intake of an Internal Combustion Engine

Номер: US20210071566A1
Автор: Edgmon Kevin L.
Принадлежит: RoadSkulls V-Twin Performance LLC

Apparatus and method for directing airflow into the air intake (carburetor or fuel injection system) of an internal combustion engine for increasing air flow velocity and the quantity of air reaching the cylinder or cylinders thereof through the use of an electrically powered fan, are described. The fan is installed inside of the air filter element such that when the air intake throttle plates are closed or partially closed, the unused airflow exits the apparatus to relieve the pressure created by the fan, and when additional air is needed by the engine, air can enter the filter element. The fan may be continuously operated during the operation of the motor, and at all engine speeds. 1. A method for increasing the aft flow velocity and flow volume entering a carburetor or a fuel injection system having an air intake for an internal combustion engine , comprising:providing a fan having an electric motor, and a chosen air flow, the fan being spaced apart from the air intake;providing an air filter element for filtering the chosen air flow for the fan;directing air flowing from the fan toward the air intake; andpermitting air from the fan that does not pass into the air intake to flow away from the fan and the air intake of the internal combustion engine, and through said air filter element.2. The method of claim 1 , wherein said internal combustion engine comprises a motorcycle engine.3. The method of claim 1 , wherein said electric motor is battery powered.4. The method of claim 1 , wherein said internal combustion engine has an electrical system claim 1 , and the electric motor is powered from the electrical system.5. The method of claim 3 , wherein the electric motor drives the fan at a constant air flow independent of operation speed of said internal combustion engine.6. The method of claim 5 , wherein the flow of air from the fan is between 150 and 350 cfm.7. The method of claim 1 , wherein said electric motor operates at a continuously variable speed based on ...

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07-03-2019 дата публикации

METHOD AND SYSTEM FOR PRESSURIZATION OF DEPRESSURIZED OBJECTS

Номер: US20190070907A1
Принадлежит:

Methods and systems are provided for using a forced induction system of an engine on-board a vehicle as a source of compressed air to pressurize depressurized objects on-board and external to the vehicle. In one example, a method may include, in response to a pressure of the depressurized object being below a threshold pressure while the engine is off, fluidly coupling a discharge of a forced induction system to the depressurized object, wherein the engine includes the forced induction system, and pressurizing the depressurized object by supplying electrical power to the forced induction system. 1. A method for pressurizing a depressurized object with an engine of a vehicle system , comprising:in response to a pressure of the depressurized object being below a threshold pressure while the engine is off,fluidly coupling a discharge of a forced induction system of the engine to the depressurized object, andpressurizing the depressurized object by supplying electrical power to the forced induction system.2. The method of claim 1 , wherein supplying electrical power to the forced induction system includes supplying electrical power from a battery of the vehicle system.3. The method of claim 2 , further comprising stopping the supplying of electrical power to the forced induction system responsive to a state of charge of a battery on board the vehicle system decreasing below a threshold state of charge.4. The method of claim 3 , further comprising stopping supply of electrical power to the forced induction system responsive to the pressure of the depressurized object increasing above the threshold pressure.5. The method of claim 1 , further comprising fluidly decoupling the discharge of the forced induction system to the depressurized object responsive to the pressure of the depressurized object increasing above the threshold pressure.6. The method of claim 1 , wherein the threshold pressure includes an operator-input threshold pressure.7. The method of claim 1 , wherein ...

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17-03-2016 дата публикации

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

Номер: US20160076438A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A control apparatus is provided for an internal combustion engine that includes a turbosupercharger, an electric supercharger, and a waste gate valve configured to open and close an exhaust bypass passage. In a single-supercharging range in which an engine torque is less than a torque boundary value TQ, a WGV opening degree is controlled so as to decrease accompanying an increase in the engine torque. Further, in a twin-supercharging range in which the engine torque is equal to or greater than the torque boundary value TQ, the WGV opening degree is controlled so as to increase accompanying an increase in the engine torque, and the electric motor is actuated for supercharging. 1. A control apparatus for an internal combustion engine that includes:a turbosupercharger configured to supercharge intake air by utilizing exhaust energy that is recovered by a turbine disposed in an exhaust passage of the internal combustion engine as a power source;an electric supercharger configured to supercharge intake air by utilizing an electric motor as a power source;an exhaust bypass passage that bypasses the turbine; anda waste gate valve configured to open and close the exhaust bypass passage,the control apparatus comprising:a controller, the controller configured to:control an opening degree of the waste gate valve so that, in a first torque index value range in which a torque index value that has a correlation with an engine torque is less than a first boundary value, the opening degree of the waste gate valve decreases accompanying an increase in the engine torque;control the opening degree of the waste gate valve so that, in an increase range that is included in a second torque index value range in which the torque index value is equal to or greater than the first boundary value, the opening degree of the waste gate valve increases accompanying an increase in the engine torque; andactuate the electric motor for supercharging in the second torque index value range.2. The ...

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07-03-2019 дата публикации

Supercharging system, control device for supercharging system, control method for supercharging system, and program

Номер: US20190072028A1

This control device starts, an electric motor on the basis of a drive signal. After starting of the electric motor, the control device switches a bypass valve from an open state to a closed state.

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05-03-2020 дата публикации

FORCED INDUCTION ENGINE WITH ELECTRIC MOTOR FOR COMPRESSOR

Номер: US20200072121A1
Принадлежит:

A generator system may include a compressor and an electric motor. The compressor includes an impeller, and the compressor provides a quantity of air flowing toward an intake of an engine through rotation of the impeller. The electric motor is mechanically linked to the compressor and rotates the impeller to force the quantity of air flowing toward the intake of the engine. The generator system may include a charge air cooler to receive the quantity of air flowing toward the intake of the engine and increase an air charge density of the quantity of air. The generator system may include an exhaust portion to expel exhaust from the engine such that the quantity of air provided by the compressor does not include exhaust expelled by the exhaust portion. The generator system may include an air valve configured to regulate the quantity of air flowing toward the intake of the engine. 1. A method comprising:receiving sensor data that describes operation of a generator;performing an analysis of the sensor data;generating a forced induction command for a valve or a motor in response to the analysis; andsending the forced induction command to a valve control unit for a compressor or to a motor control unit for the compressor.2. The method of claim 1 , wherein the analysis includes one or more conditioning stages including filtering the sensor data to remove outliers claim 1 , sampling the sensor data at a time interval claim 1 , or averaging the sensor data over time.3. The method of claim 1 , wherein the analysis includes a comparison to a threshold for an operation characteristic of the generator.4. The method of claim 1 , further comprising:calculating a time period included in the forced induction command.5. The method of claim 4 , wherein the time period corresponds to a spooling time for the motor to start from rest and achieve an operating rotational speed.6. The method of claim 4 , wherein the time period corresponds to a valve time for the valve to be actuated from a ...

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26-03-2015 дата публикации

Method and Apparatus for Controlling the Starting of a Forced Induction Internal Combustion Engine

Номер: US20150083092A1
Принадлежит: Perkins Engines Co Ltd

Starting an internal combustion engine may be difficult as a consequence of the operating conditions of the engine. Even after the engine has started, it may take a long period of time for the engine to reach operating temperatures. In the present disclosure, when engine start difficulty is expected, before starting the engine a forced induction compressor arranged with the engine may be turned on to increase the engine intake air pressure before the engine is started.

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22-03-2018 дата публикации

SYSTEM CONTROL STRATEGY AND METHODS FOR MULTI-PHYSICS FLUID ATOMIZING

Номер: US20180080424A1
Принадлежит: Enginetics, LLC

A method of controlling fuel delivery to an engine includes providing a fluid atomizer, a mechanically driven air compressor, a start up air source, and an air valve coupled between the mechanically driven air compressor and the start up air source, charging the start up air source, delivering compressed air from the start up air source to the fluid atomizer, providing an initial air/fluid mixture with the fluid atomizer, and operating the air valve to direct compressed air from the mechanically driven air compressor to the fluid atomizer. 1. A method of controlling fluid delivery , comprising:providing a fluid atomizer, a mechanically driven air compressor and an air source;charging the air source with a volume of compressed air independent of the mechanically driven air compressor;delivering compressed air from the start up air source to the fluid atomizer;after delivering compressed air from the air source, operating the air valve to direct compressed air from the mechanically driven air compressor to the fluid atomizer.2. The method of claim 1 , wherein the air source comprises an electrically driven air compressor.3. The method of claim 1 , wherein the air source comprises an accumulator claim 1 , and charging the air source including delivering compressed air from one of a cylinder of an engine prior to starting the engine and an electrically driven air compressor to the accumulator.4. The method of claim 1 , wherein the air source includes a one-way valve and an accumulator claim 1 , and charging the air source includes controlling claim 1 , with the one-way valve claim 1 , air flow from a cylinder of an engine that is not running to the accumulator.5. The method of claim 3 , further comprising providing a scavenger valve into the cylinder and determining an engine position and cycle before opening the scavenger valve.6. The method of claim 3 , further comprising determining a pressure of the accumulator before delivering compressed air from the start up air ...

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12-03-2020 дата публикации

COOLING SYSTEM FOR E-CHARGER ASSEMBLY

Номер: US20200080470A1
Принадлежит: Garrett Transportation I Inc.

An e-charger includes an outer housing and a rotor supported for rotation within the outer housing. A motor assembly is housed within the outer housing and includes an electric motor and a motor case. The electric motor is encased within the motor case. The electric motor is configured to drivingly rotate the rotor within the outer housing. Furthermore, the e-charger includes a cooling system configured to receive a coolant. The cooling system includes a manifold passage defined in the outer housing. The cooling system includes a first motor cooling circuit and a second motor cooling circuit that are cooperatively defined by the outer housing and the motor case. The first motor cooling circuit and the second motor cooling circuit are fluidly connected to the manifold passage. The manifold passage is configured to distribute a flow of the coolant between the first motor cooling circuit and the second motor cooling circuit. 1. An e-charger comprising:an outer housing;a rotor that is supported for rotation within the outer housing;a motor assembly that is housed within the outer housing, the motor assembly including an electric motor and a motor case, the electric motor encased within the motor case, the electric motor configured to drivingly rotate the rotor within the outer housing; anda cooling system configured to receive a coolant, the cooling system including a manifold passage defined in the outer housing, the cooling system including a first motor cooling circuit and a second motor cooling circuit that are cooperatively defined by the outer housing and the motor case, the first motor cooling circuit and the second motor cooling circuit being fluidly connected to the manifold passage, the manifold passage configured to distribute a flow of the coolant between the first motor cooling circuit and the second motor cooling circuit.2. The e-charger of claim 1 , wherein the motor case includes a circumferential face and a longitudinal end face;wherein the first motor ...

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25-03-2021 дата публикации

Methods and systems for a turbocharger

Номер: US20210087965A1
Автор: William Gerald Barr
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

Methods and systems are provided for a turbocharger. In one example, the turbocharger comprises an injector configured to inject a medium therein, wherein the injector is configured to inject the medium toward a turbine of the turbocharger. The turbocharger further comprising a turbine driven by exhaust gases.

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25-03-2021 дата публикации

HEAT EXCHANGER FOR CIRCUIT BOARDS

Номер: US20210092827A1
Принадлежит: BORGWARNER INC.

A heat exchanger for cooling high temperature components of a circuit board is disclosed. The heat exchanger may comprise a housing including a coolant inlet, a coolant outlet, a first side wall, a second side wall, and an upper housing portion assembled with a lower housing portion. The heat exchanger may further include a first array of plates on the upper housing portion, and a second array of plates on the lower housing portion extending parallel to and interleaved with the first array of plates. Each of the plates may have an aperture that is laterally and vertically opposed to the aperture of an immediately adjacent plate. The interleaving first and second arrays of plates may create a lateral and vertical serpentine fluid flow path. 1. A heat exchanger for cooling a circuit board , comprising: a first side wall and a second side wall opposed to the first side wall;', 'a third side wall and a fourth side wall opposed to the third side wall; and', 'a first end wall and a second end wall opposed to the first end wall,, 'a housing defining a volume bounded bywherein the housing includes a coolant inlet in communication with the volume and a coolant outlet in communication with the volume, a first side wall, and a second side wall, the housing having a first housing portion assembled with a second housing portion;a first array of plates disposed on the third side wall, each of the plates of the first array extending toward the fourth side wall and extending laterally between the first side wall and the second side wall of the housing and having a solid construction with an aperture at a corner of the plate nearest the first side wall and fourth wall; anda second array of plates disposed on the fourth side wall, each of the plates of the second array extending parallel to and interleaved with the first array of plates, each of the plates of the second array extending toward the third side wall and extending laterally between the first side wall and the second side ...

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05-05-2022 дата публикации

ELECTRIC MACHINE AND ELECTRICALLY-ASSISTED TURBOCHARGER INCLUDING THE SAME

Номер: US20220140688A1
Принадлежит:

An electrically-assisted turbocharger includes a shaft extending along an axis, a compressor wheel, a turbine wheel, a housing, and an electric machine. The electric machine includes a rotor rotatably coupled to the shaft and a stator lamination stack radially spaced from the rotor. The stator lamination stack has circumferentially spaced teeth defining gaps therebetween. The electric machine also includes a coil winding disposed in the gaps between the circumferentially spaced teeth and a guard plate disposed at one of the first and second stator ends. The guard plate extends radially away from the axis and includes a plurality of teeth guards extending radially, with each of the teeth guards aligned with one of the teeth of the stator lamination stack to electrically insulate the coil winding from the teeth of the stator lamination stack.

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19-03-2020 дата публикации

SUPERCHARGING SYSTEM, POWER SUPPLY DEVICE FOR SUPERCHARGING SYSTEM, POWER SUPPLY CONTROL METHOD FOR SUPERCHARGING SYSTEM, AND ENGINE SYSTEM

Номер: US20200088092A1

A power supply device includes a first power supply circuit, a second power supply circuit, and a power supply-switching unit. The first power supply circuit includes a power storage device having a first capacity and supplies electricity of a first voltage to the electric motor. The second power supply circuit includes a power storage device having a second capacity smaller than the first capacity and supplies electricity of a second voltage higher than the first voltage to the electric motor. The power supply-switching unit supplies electricity from the second power supply circuit to the electric motor at the tune of starting an operation of the electric motor and thereafter supplies electricity from the first power supply circuit to the electric motor. 1. A power supply device for a supercharging system that includes:a first compressor disposed in an intake air flow passage in which intake air supplied to an engine is circulated and configured to compress the intake air by being driven;an electric motor that is configured to drive the first compressor;a second compressor disposed in the intake air flow passage independently from the first compressor and configured to compress the intake air; anda turbine disposed in an exhaust gas flow passage in which exhaust gas from the engine is circulated and configured to drive the second compressor by being rotated in accordance with the exhaust gas,the power supply device comprising:a first power supply circuit including a power storage device having a first capacity and configured to supply electricity of a first voltage to the electric motor;a second power supply circuit including a power storage device having a second capacity smaller than the first capacity and configured to supply electricity of a second voltage higher than the first voltage to the electric motor; anda power supply-switching unit that is configured to supply electricity from the second power supply circuit to the electric motor when an operation of ...

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07-04-2016 дата публикации

Control apparatus of engine

Номер: US20160097319A1
Принадлежит: Mitsubishi Motors Corp

Upon request for start-up of an engine, a control apparatus controls the opening/closing action of a waste gate valve in accordance with the temperature Te of the engine before cranking and, if the temperature Te of the engine is equal to or lower than a first set temperature Te 1, sets the waste gate valve in an open state.

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05-04-2018 дата публикации

ASSEMBLY METHOD FOR THE CONNECTION OF A TURBINE WHEEL TO A SHAFT

Номер: US20180094646A1
Принадлежит:

A method of assembling an electrified turbocharger comprising assembling a rotor assembly onto a shaft; balancing the shaft and rotor assembly; attaching at least one bearing onto the shaft adjacent the rotor assembly; inserting a stator assembly into a first housing component; axially inserting the shaft, the rotor assembly, and the at least one bearing into the first housing component; attaching a second housing component to the first housing component; attaching a compressor wheel to a first end of the shaft; and attaching a turbine wheel to a second end of the shaft and balancing the electrified turbocharger 1. A method of assembling an electrified turbocharger comprising:assembling a rotor assembly onto a shaft;testing the rotating balance of the shaft and the rotor assembly;attaching at least one bearing onto the shaft adjacent the rotor assembly;inserting a stator assembly into a first housing component;axially inserting the shaft, the rotor assembly, and the at least one bearing into the first housing component;attaching a second housing component to the first housing component;attaching a compressor wheel to a first end of the shaft and attaching a turbine wheel to a second end of the shaft; andtesting the rotating balance of the electrified turbocharger.2. The method of further comprising inserting a slinger assembly into the first housing component prior to inserting the stator assembly into the first housing component.3. The method of further comprising adjusting the rotating balance of the rotor assembly after testing the rotating balance of the rotor assembly by at least one of radially cutting a portion of the rotor assembly or adding a material to the rotor assembly.4. The method of further comprising adjusting the rotating balance of the turbocharger assembly after testing the rotating balance of the turbocharger assembly by at least one of adding or removing a material to the shaft.5. The method of wherein the turbine wheel is attached to the shaft ...

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06-04-2017 дата публикации

METHOD OF CONTROLLING SUPERCHARGER

Номер: US20170096952A1
Принадлежит: HYUNDAI MOTOR COMPANY

A method of controlling a supercharger includes: an information conversion step, a map deducing step, a boost amount deducing step, and a RPM deducing step. In the information conversion step, a sensor detects information of a vehicle, and a control unit converts the information into a factor and saves. The map deducing step includes deducing a total boost amount for driving an engine, and deducing a map for a target boost amount of a supercharger using a boost pressure of a turbocharger. A correction value deduced in the boost amount deducing step is calculated according to vehicle environment information, and a target RPM of the supercharger is calculated based on the target boost amount of the supercharger, and a boost pressure by the supercharger. In particular, the target boost amount of the supercharger is deduced based on the correction value, the converted factor, and the deduced map. 1. A method of controlling a supercharger , comprising:an information conversion step of collecting information for driving a vehicle in a control means, the information detected by a detection means, and converting the collected information into a factor;a map deducing step of deducing a total boost amount desired for driving an engine, based on the collected information in the control unit, and deducing a map for a target boost amount of a supercharger through a relationship with a boost pressure of a turbocharger;a boost amount deducing step of deducing a correction value, according to vehicle environment information input to the control unit, in the control unit, wherein the target boost amount of the supercharger is deduced based on the deduced correction value, the factor converted from the collected information, and the map deduced from the deduced total boost amount; anda RPM deducing step of deducing a target RPM of the supercharger, based on the target boost amount of the supercharger deduced from the deduced correction value, and a boost pressure by the supercharger. ...

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12-04-2018 дата публикации

ENGINE SYSTEM

Номер: US20180100428A1
Принадлежит: HYUNDAI MOTOR COMPANY

An engine system may include: an engine including a plurality of cylinders generating driving torque by combustion of fuel; a first exhaust manifold connected to some of cylinders of the plurality of cylinders; a second exhaust manifold connected to remaining cylinders of the plurality of cylinders; a turbocharger including a turbine rotated by exhaust gas that is exhausted from the first exhaust manifold and a compressor rotated together with the turbine and compressing air supplied to the cylinders; and an supercharger including a motor and an compressor operated by the motor in order to supply compressed air to the cylinders. 1. An engine system comprising:an engine including a plurality of cylinders generating driving torque by combustion of fuel;a first exhaust manifold connected to some cylinders of the plurality of cylinders;a second exhaust manifold connected to remaining cylinders of the plurality of cylinders;a turbocharger including a turbine rotated by exhaust gas that is exhausted from the first exhaust manifold and a compressor rotated together with the turbine and compressing air supplied to the cylinders; anda supercharger including a motor and a compressor operated by the motor to supply compressed air to the cylinders.2. The engine system of claim 1 , wherein claim 1 ,the turbine is disposed at a first exhaust line through which exhaust gas flows having been discharged from the first exhaust manifold, andan exhaust gas purification apparatus is disposed at a portion where the first exhaust line and a second exhaust line join, wherein exhaust gas flows through the second exhaust line having been discharged from the second exhaust manifold.3. The engine system of claim 1 , wherein claim 1 ,the cylinders are in a four-cylinder engine in which a first cylinder, a second cylinder, a third cylinder, and a fourth cylinder are sequentially disposed, andthe second cylinder and the third cylinder are connected to the first exhaust manifold, and the first ...

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08-04-2021 дата публикации

CONTROLLER AND CONTROL METHOD FOR HYBRID VEHICLE

Номер: US20210101583A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A controller for a hybrid vehicle predicts whether necessary discharging electric power from a power storage device which is required to perform downshift in a transmission exceeds upper-limit discharging electric power of the power storage device when downshift in the transmission is performed in a hybrid vehicle travel mode and controls a compressor rotation speed such that a rate of increase of the compressor rotation speed of a supercharger at the time of performing downshift in the transmission increases as the upper-limit discharging electric power decreases when it is predicted that the necessary discharging electric power exceeds the upper-limit discharging electric power. 1. A controller for a hybrid vehicle , the hybrid vehicle including an engine with a supercharger serving as a drive power source for travel , a rotary machine serving as a drive power source for travel , a power storage device configured to transmit and receive electric power to and from the rotary machine , and a transmission that is provided in a power transmission path between the engine and driving wheels and between the rotary machine and the driving wheels , the controller comprising:a prediction unit configured to predict whether necessary discharging electric power from the power storage device which is required to perform downshift in the transmission exceeds upper-limit discharging electric power of the power storage device when downshift in the transmission is performed in a hybrid vehicle travel mode; anda control unit configured to control a compressor rotation speed such that a rate of increase of the compressor rotation speed of the supercharger at the time of performing downshift in the transmission increases as the upper-limit discharging electric power decreases when it is predicted that the necessary discharging electric power exceeds the upper-limit discharging electric power.2. The controller for a hybrid vehicle according to claim 1 , wherein the control unit is ...

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26-03-2020 дата публикации

INTAKE AND EXHAUST DEVICE FOR VEHICLE

Номер: US20200095923A1
Принадлежит: MAZDA MOTOR CORPORATION

An intake and exhaust device () for a vehicle engine is capable to perform a compression self-ignition operation, the device comprising on an intake passage a supercharger () driven by a force other than an exhaust gas, wherein an exhaust purification device () disposed on an exhaust passage is disposed adjacent to an outer surface of the engine (). 1. An intake and exhaust device for a vehicle engine which is capable to perform a compression self-ignition operation , the device comprising on an intake passagea supercharger driven by a force other than an exhaust gas,wherein an exhaust purification device disposed on an exhaust passage is disposed adjacent to an outer surface of the engine.2. The intake and exhaust device for the vehicle engine according to claim 1 , wherein the supercharger is a supercharger driven by an output shaft of the engine.3. The intake and exhaust device for the vehicle engine according to claim 1 , wherein the supercharger is an electric supercharger.4. The intake and exhaust device for the vehicle engine according to claim 2 , whereinthe intake and exhaust device is capable to perform a spark ignition operation,a turbo supercharger is provided upstream of the exhaust purification device on the exhaust passage,supercharging is performed by the turbo supercharger when the spark ignition operation is conducted, andsupercharging is performed by the supercharger when the compression self-ignition operation is conducted.5. The intake and exhaust device for the vehicle engine according to claim 3 , whereinthe intake and exhaust device is capable to perform a spark ignition operation,a turbo supercharger is provided upstream of the exhaust purification device on the exhaust passage,supercharging is performed by the turbo supercharger when the spark ignition operation is conducted, andsupercharging is performed by the electric supercharger when the compression self-ignition operation is conducted.6. The intake and exhaust device for the vehicle ...

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08-04-2021 дата публикации

Compressor With Directly Driven Variable Iris Diaphragm, And Charging Device

Номер: US20210102490A1
Принадлежит: Vitesco Technologies Germany GMBH

A compressor for a supercharging device of an internal combustion engine and a supercharging device are described. The compressor has an iris diaphragm mechanism that has a special drive. The drive includes an adjusting ring as an integral constituent part of an actuator of the drive and is formed as a rotor, which surrounds an air supply channel, of an electric motor. This results in a significantly simplified structural form of the drive.

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19-04-2018 дата публикации

SPACER AND ELECTRIC SUPERCHARGER

Номер: US20180106185A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A spacer is disposed between a rotor and a bearing of an electric supercharger to fix the rotor. The spacer has a tapered surface with a diameter decreasing toward the bearing in an outer circumferential surface of the spacer. An area of an end surface of the spacer on a rotor side is larger than an area of an end surface of the spacer on a bearing side. A balance correction part that corrects balance of the spacer is disposed inside a recess formed in the end surface. A region of the end surface located on an outer side of the recess relative to a central axis of the spacer constitutes a surface coming in contact with the rotor. 1. A spacer that is disposed , to fix a rotor of an electric supercharger , between the rotor and a bearing disposed in a direction of a rotational axis of the rotor relative to the rotor , the spacer comprising a tapered surface with a diameter decreasing toward the bearing in an outer circumferential surface of the spacer , whereinan area of an end surface of the spacer on a rotor side is larger than an area of an end surface of the spacer on a bearing side,a balance correction part that corrects balance of the spacer is disposed inside a recess formed in the end surface of the spacer on the rotor side, anda region of the end surface located on an outer side of the recess relative to a central axis of the spacer constitutes a surface coming in contact with the rotor.2. The spacer according to claim 1 , wherein:the spacer has a conical outer shape; andthe spacer includes a perforated portion, and the central axis of the spacer is disposed on the rotational axis of the rotor.3. The spacer according to claim 1 , wherein the balance correction part is a weight adjustment part that is formed in the spacer so that a center of gravity of the spacer is located on the central axis of the spacer.4. The spacer according to claim 1 , wherein:the balance correction part includes an excavated portion formed in the spacer, and a burr resulting from ...

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30-04-2015 дата публикации

Method and system for operating an engine turbocharger

Номер: US20150113980A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A system and method for operating an engine turbocharger is described. In one example, the turbocharger is rotated in different directions in response to operating conditions. The system and method may reduce engine emissions.

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20-04-2017 дата публикации

OIL SUPPLY CONDUIT THROUGH STATOR LAMINATION STACK FOR ELECTRIFIED TURBOCHARGER

Номер: US20170107897A1
Автор: Fraser Brock
Принадлежит:

A number of variations may include a product comprising: an electrified turbocharger comprising: an electric motor surrounding a portion of a shaft constructed and arranged to selectively drive the shaft, wherein the electric motor further comprises a stator comprising a lamination stack; a housing surrounding the electric motor, wherein the housing includes a plurality of channels constructed and arranged to lubricate a first bearing; and wherein the lamination stack is constructed and arranged to include at least one conduit to pass oil through the electric motor to a second bearing. 1. A product comprising:an electrified turbocharger comprising:an electric motor surrounding a portion of a shaft constructed and arranged to selectively drive the shaft, wherein the electric motor further comprises a stator comprising a lamination stack;a housing surrounding the electric motor, wherein the housing includes a plurality of channels constructed and arranged to lubricate a first bearing; andwherein the lamination stack is constructed and arranged to include at least one conduit to pass oil through the electric motor to a second bearing.2. The product of wherein the lamination stack further comprises a plurality of teeth claim 1 , and wherein the at least one conduit comprises a first tube and a second tube which each extend through openings between the plurality of teeth claim 1 , and where the first tube and the second tube are constructed and arranged to feed oil through the electric motor to the second bearing.3. The product of wherein the first tube and the second tube are constructed and arranged to fit within the openings between the plurality of teeth so that the stator is locked from rotation.4. The product of further comprising a turbocharger turbine wheel and wherein the shaft is operatively connected to the turbocharger turbine wheel claim 1 , and wherein the turbocharger turbine wheel drives the shaft.5. The product of further comprising a turbocharger ...

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10-07-2014 дата публикации

Supercharged turbocompound hybrid engine apparatus

Номер: US20140190163A1
Автор: Christian Maier
Принадлежит: FPT Motorenforschung AG

The present invention is relative to a control method of a turbo-compound engine apparatus wherein said apparatus comprises a low pressure compressor connected to the high pressure turbine and a low pressure turbine connected to a high pressure compressor by means of a coupling unit. The apparatus also comprises first bypassing means of said high pressure compressor. The method according to the invention comprises the step of deactivating said first bypassing means when at least a specific condition occurs.

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11-04-2019 дата публикации

ELECTRIC CHARGING DEVICE WITH ROTOR COOLING

Номер: US20190107043A1
Принадлежит:

A charging device for an internal combustion engine with rotor cooling has a shaft, a compressor wheel mounted on the shaft, a stator housing and a stator. The stator is arranged in the stator housing. The charging device additionally has a rotor arranged rotatably fixed on the shaft The rotor is surrounded by the stator. A first fan device is arranged for common rotation with the shaft in order to generate a circulating air flow in the stator housing for cooling the rotor. 110. A charging device () for an internal combustion engine , comprising:{'b': '100', 'a shaft ();'}{'b': 600', '100, 'a compressor wheel () mounted on the shaft ();'}{'b': '200', 'a stator housing ();'}{'b': 300', '300', '200, 'a stator (), wherein the stator () is arranged in the stator housing ();'}{'b': 400', '100', '400', '300, 'a rotor () arranged rotatably fixed on the shaft (), wherein the rotor () is surrounded by the stator (); and'}{'b': 500', '500', '100', '200', '400, 'a first fan device (), wherein the first fan device () is arranged for common rotation with the shaft () in order to generate an air flow circulating in the stator housing () for cooling the rotor ().'}2400400300. The charging device according to claim 1 , wherein the air flow is guided in the axial direction along the rotor () claim 1 , between rotor () and stator ().3300200200. The charging device according to claim 1 , wherein the air flow is guided back in the axial direction between the stator () and the stator housing () and/or through the stator housing () claim 1 ,4200. The charging device according to claim 1 , wherein at least one duct claim 1 , through which the air flow is guided claim 1 , is provided on and/or in the stator housing () claim 1 , wherein the duct is configured as a groove and/or hole.5. The charging device according to claim 4 , wherein at least 3 ducts are provided.6200. The charging device according to claim 1 , wherein the stator housing () is fluid cooled. ...

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11-04-2019 дата публикации

METHODS AND SYSTEMS FOR A TURBOCHARGER

Номер: US20190107044A1
Принадлежит:

Methods and systems are provided for a compressor of an exhaust-gas turbocharger. In one example, a system may include where a housing of the compressor comprises two outlets, a first outlet shaped to direct compressed air to an electrically driveable compressor and a second outlet shaped to bypass compressed air around the electrically driveable compressor. 1. A supercharged internal combustion engine comprising:an intake system shaped to supply charge air;an exhaust-gas discharge system shaped to discharge exhaust gas;at least one exhaust-gas turbocharger which comprises a turbine arranged in the exhaust-gas discharge system and a compressor arranged in the intake system, the compressor being equipped with at least one impeller which is arranged on a rotatable shaft in a compressor housing, and the compressor housing having a charge-air-conducting flow duct which extends from an inlet region of the compressor and extends downstream of the at least one impeller; andan electrically driveable compressor, which is arranged in the intake system downstream of the compressor of the at least one exhaust-gas turbocharger, wherein the compressor housing has at least two outlets, the charge-air-conducting flow duct splitting downstream of the at least one impeller into at least two arm-like duct branches, where a first arm-like duct is fluidly coupled to a first outlet and a second arm-like duct is fluidly coupled to a second outlet, the first outlet directing compressed air from the compressor of the exhaust-gas turbocharger to the electrically driveable compressor and the second outlet bypassing the electrically driveable compressor.2. The supercharged internal combustion engine of claim 1 , wherein the charge-air-conducting flow duct splits downstream of the at least one impeller into the first and second arm-like duct branches claim 1 , and where a junction is arranged between the first and second arm-like duct branches.3. The supercharged internal combustion engine of ...

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