СПОСОБ ОТКАЧКИ В СИСТЕМЕ ВАКУУМНЫХ НАСОСОВ И СИСТЕМА ВАКУУМНЫХ НАСОСОВ

Группа изобретений относится к способу откачки в системе вакуумных насосов и системе ваккумных насосов. Система вакуумных насосов содержит первичный сухой винтовой вакуумный насос (3), имеющий отверстие (2) входа газов, соединенное с вакуумной камерой (1), и отверстие (4) выхода газов, сообщающееся с каналом (5) перед выходом (8) газов системы, обратный клапан (6), установленный в канале (5) между отверстием (4) и выходом (8), и эжектор (7), установленный параллельно с клапаном (6), компрессор, приводимый во вращение по меньшей мере одним из валов насоса (3). Насос (3) запускают для откачки газов, содержащихся в вакуумной камере (1), через отверстие (4). Одновременно подают рабочую текучую среду в эжектор (7) компрессором. Эжектор (7) продолжает получать питание рабочей текучей средой в течение всего времени, пока функционирует насос (3) и откачивает газы, содержащиеся в камере (1). Группа изобретений направлена на улучшение конечного разрежения и увеличения расхода. 2 н. и 20 з.п. ф-лы, 2 ил.

ЛОПАСТНОЙ ПНЕВМОДВИГАТЕЛЬ

FIELD: engine building. SUBSTANCE: invention relates to a pneumatic blade-type engine with reduced blade wear during operation at high pressure. Air engine (100) includes housing with inlet and outlet holes (102, 104), rotor with possibility of rotation fixed in housing, blades inserted into rotor. Air actuator (100) further comprises blades stoppers extending beyond the blade inner side top and bottom parts, inner ring conjugated with upper central part of rotor for pushing out retainers to initiate movement, and thrust bearings installed in upper and lower part of rotor to prevent movement of retainers outside. At least on one upper or lower part of the rotor there is an additional cover, on which guide slots for the blades direction are made. EFFECT: invention allows increasing engine output power. 4 cl, 9 dwg

Anordnung von Schrauben für einen Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft eine Anordnung von Schrauben (16, 18) für einen Schraubenkompressor für ein Nutzfahrzeug mit wenigstens einer weiblichen Schraube (16) und wenigstens einer männlichen Schraube (18), wobei die weibliche Schraube (16) und die männliche Schraube (18) jeweils Zähne (100, 102) aufweisen, die miteinander kämmen, und wobei die Zähne (100) der weiblichen Schraube (16) eine Abwälzzahnflanke (106) aufweisen, die für das Abwälzen auf einer Zahnflanke (108) der männlichen Schraube (18) vorgesehen ist, wobei die Abwälzzahnflanke (106) im Spitzenbereich (110) einen konvex abgerundeten Abwälzspitzenbereich (112) aufweist, der einen ersten Radius (R1) aufweist, wobei zwischen zwei benachbarten Zähnen (100) der weiblichen Schraube (16) ein Zahngrund (114) vorgesehen ist, der über einen flachen Übergangsbereich (116) mit dem Abwälzspitzenbereich (112) verbunden ist, und wobei der Zahngrund (114) zwischen zwei Zähnen (100) der weiblichen Schraube (16) im Wesentlichen konkav ...

METHODS AND SYSTEMS FOR AIR COMPRESSOR AND ENGINE DRIVEN CONTROL

Power systems and methods of controlling an engine driven air compressor include an air compressor driven by an engine via a clutch. A first pressure sensor configured to sense a pressure level at an outlet of the air compressor. An inlet valve configured to close in response to the first pressure sensor sensing a pressure level above a first pressure level. In addition, a second pressure sensor to sense a pressure level below a second pressure level at a housing of the air compressor, wherein the clutch is configured to disengage in response to the second pressure level, wherein the first pressure level is higher than the second pressure level.

COMPRESSED AIR ENERGY STORAGE GENERATOR

This CAES generator (1) is provided with multiple motors (13), multiple compressors (10), an accumulator tank (11), expanders (12), generators (15), inverters (14) for a motor which change the rotation speed of the motor, a power supply command receiving unit (31) which, before the supply of input power, receives the input power as a power supply command value, and a control device (30). The control device (30) comprises a compression unit number calculation unit (30a) which calculates the maximum number of motors (13) that can be driven at rating on the basis of the power supply command value, and a compression drive control unit (30b) which drives, at rating, the maximum number of motors (13) calculated by the compression unit number calculation unit (30a).

FLUID TRANSFER APPARATUS

The present invention provides a fluid transfer apparatus comprising: a rotating shaft comprising a rotation unit extending along an axial direction and a first eccentric unit and a second eccentric unit disposed to be spaced apart from each other along the axial direction; a first rotor housing forming a first fluid compression space in the shape of an epitrochoid curved surface; a second rotor housing forming a second fluid compression space in the shape of an epitrochoid curved surface, and positioned to be spaced apart from the first rotor housing along the axial direction; a first rotor disposed in the first fluid compression space so as to delimit the first fluid compression space into multiple variable-displacement spaces, and coupled to the first eccentric unit while surrounding the first eccentric unit in the radial direction of the first eccentric unit; and a second rotor disposed in the second fluid compression space so as to delimit the second fluid compression space into multiple variable-displacement spaces, and coupled to the second eccentric unit while surrounding the second eccentric unit in the radial direction of the second eccentric unit.

БЕЗМАСЛЯНЫЙ КОМПРЕССОР

FIELD: compressors. SUBSTANCE: invention relates to an oil-free compressor. Compressor 1 contains compressor element (2), including case (5), inside which covered and covering screw rotors (6a) and (6b), respectively, are installed. Shaft (8) of rotor (6b) passes into driven shaft (9). Engine (3) has drive shaft (13). There is transmission (4) between shaft (13) of engine (3) and shaft (9) of element (2). Transmission (4) contains case (10) and at least driven gear (11) mounted on shaft (9) and drive gear (14) mounted on shaft (13). In case (10), there is outlet (20) located in the radial extension of one of gears (11, 14) and connected to discharge pipe (22). Pipe (22) passes in the continuation of the air flow created by one of gears (11, 14), and it is connected to oil tank (15) with filter element (16). EFFECT: invention is aimed at improving the efficiency of the compressor. 3 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 755 864 C2 (51) МПК F04C 29/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F04C 29/12 (2020.08) (21)(22) Заявка: 2019139052, 13.03.2018 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): АТЛАС КОПКО ЭРПАУЭР, НАМЛОЗЕ ВЕННОТСХАП (BE) Дата регистрации: 22.09.2021 04.05.2017 US 62/501,245; 24.01.2018 BE 2018/5037 (43) Дата публикации заявки: 04.06.2021 Бюл. № 16 (56) Список документов, цитированных в отчете о поиске: WO 0042322 A1, 20.07.2000. US 7214036 B2, 08.05.2007. US 2006018773 A1, 26.01.2006. WO 8303641 A1, 27.10.1983. JPS59176491 A, 05.10.1984. RU 2575511 C2, 20.02.2016. (45) Опубликовано: 22.09.2021 Бюл. № 27 (86) Заявка PCT: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.12.2019 IB 2018/051662 (13.03.2018) (87) Публикация заявки PCT: 2 7 5 5 8 6 4 WO 2018/203152 (08.11.2018) R U 2 7 5 5 8 6 4 Приоритет(ы): (30) Конвенционный приоритет: R U 13.03.2018 (72) Автор(ы): ВАН ХОВЕ, Линус (BE), ДЕ МАН, Стивен (BE) Адрес для ...

СПОСОБ ОТКАЧКИ В СИСТЕМЕ ВАКУУМНЫХ НАСОСОВ И СИСТЕМА ВАКУУМНЫХ НАСОСОВ

БЛОК КОНТРОЛЛЕРА ДЛЯ УПРАВЛЕНИЯ СКОРОСТЬЮ ДВИГАТЕЛЯ, ПРИВОДЯЩЕГО В ДЕЙСТВИЕ КОМПРЕССОР С ВПРЫСКОМ МАСЛА, И СПОСОБ УПРАВЛЕНИЯ УКАЗАННОЙ СКОРОСТЬЮ

Изобретение относится к машиностроению и может быть использовано для управления скоростью двигателя для привода компрессора с впрыском масла. Техническим результатом является повышение эффективности управления скоростью привода компрессора с одновременным увеличением срока службы компрессора и его компонентов за счет снижения или исключения образования конденсата внутри компрессора. В частности, предложен блок контроллера для управления скоростью двигателя для привода компрессора с впрыском масла. Указанный блок (9) контроллера содержит: информационное соединение (12, 13, 14) для передачи данных; первый модуль (17), выполненный с возможностью приёма данных через указанное информационное соединение (12, 13, 14), при этом блок (9) контроллера также содержит: блок (18) обработки данных для определения минимальной рабочей скорости (rpm) двигателя (3) на основе измеренного рабочего давления (p), температуры (T) окружающей среды и температуры (T) точки росы; и блок (19) сравнения, выполненный с возможностью сравнения указанной определённой минимальной рабочей скорости (rpm) с полученной рабочей скоростью (rpm) двигателя (3); указанный блок (18) обработки данных дополнительно содержит блок (20) генерирования сигнала, выполненный с возможностью передачи сигнала на указанный двигатель (3) для увеличения рабочей скорости (rpm) двигателя (3) по меньшей мере до указанной определённой минимальной рабочей скорости (rpm), если указанная полученная рабочая скорость (rpm) ниже указанной определённой минимальной рабочей скорости (rpm). 3 н. и 17 з.п. ф-лы, 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F04C 28/08 F04C 28/28 F04B 49/06 F04B 49/20 (11) (13) 2 725 211 C1 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F04B 49/06 (2020.02); F04B 49/065 (2020.02); F04B 49/20 (2020.02); F04C 28/08 (2020.02); F04C 28/28 (2020.02) (21)(22) Заявка: 2019115867, 19.10.2017 19.10.2017 (73) Патентообладатель(и ...

VACUUM PUMP SCREW ROTOR

The invention relates to a vacuum pump screw rotor, comprising at least two helical displacement elements (10, 12) on a rotor shaft. The at least two displacement elements (10, 12) have different slopes, but the slopes of each displacement element are constant. Furthermore, the displacement elements each have a helical recess, each having a contour that remains the same over its entire length. Hereby, a suction-side displacement element (10) has a recess having an asymmetrical contour, and a pressure-side displacement element (12) has a recess having a symmetrical contour.

SYSTEM FOR A SCREW COMPRESSOR OF A UTILITY VEHICLE

DEVICE OF RECUPERATION Of ENERGY THERMAL, INDEPENDENT, INTENDS FOR the TRANSFER OF HEAT OIL TOWARDS WATER

L'invention concerne un dispositif (1) de récupération d'énergie thermique, indépendant, destiné au transfert de chaleur de huile vers l'eau, destiné à être raccordé, d'une part, au circuit d'huile d'un compresseur (2) rotatif à injection d'huile pour la production d'air comprimé, notamment en parallèle via une vanne thermostatique (3), et d'autre part, à un circuit d'eau (4) nécessitant un apport calorifique. Ledit dispositif de récupération d'énergie thermique comprend : - un système d'échangeur thermique permettant de réchauffer de l'eau froide en entrée dudit dispositif à partir de l'huile chaude en entrée dudit dispositif, produisant de l'eau chaude et de l'huile froide en sortie du dispositif, comprenant au moins un échangeur huile/eau (51), présentant un circuit primaire (6) pour de l'huile et un circuit secondaire (7) pour de l'eau, et au moins une pompe de circulation (8) pour la mise en circulation de l'eau du circuit secondaire dudit échangeur huile/eau (51), - un boîtier intégrant ...

transmission compressor or vacuum pump provided with such a transmission

COOLING ARRANGEMENT AND METHOD FOR COOLING A COMPRESSED-AIR GENERATOR WITH AT LEAST TWO STAGES

ЛОПАСТНОЙ ПНЕВМОДВИГАТЕЛЬ

Patent RU2019139052A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2019 139 052 A (51) МПК F04C 29/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2019139052, 13.03.2018 (71) Заявитель(и): АТЛАС КОПКО ЭРПАУЭР, НАМЛОЗЕ ВЕННОТСХАП (BE) Приоритет(ы): (30) Конвенционный приоритет: 04.05.2017 US 62/501,245; 24.01.2018 BE 2018/5037 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.12.2019 IB 2018/051662 (13.03.2018) (87) Публикация заявки PCT: R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) ТРАНСМИССИЯ И КОМПРЕССОР ИЛИ ВАКУУМНЫЙ НАСОС, ОБЕСПЕЧЕННЫЙ ТАКОЙ ТРАНСМИССИЕЙ (57) Формула изобретения 1. Трансмиссия (4) между ведущим валом (13) и ведомым валом (9), содержащая корпус (10) и по меньшей мере ведомое зубчатое колесо (11), которое установлено на ведомом валу (9), и ведущее зубчатое колесо (14), которое установлено на ведущем валу (13), отличающаяся тем, что корпус обеспечен выпускным отверстием (20), размещенным в радиальном продолжении одного из зубчатых колес (11, 14). 2. Трансмиссия по п. 1, отличающаяся тем, что выпускное отверстие (20) расположено в продолжение ветра от зубчатого колеса одного из зубчатых колес (11, 14). 3. Трансмиссия по любому из предыдущих пунктов, отличающаяся тем, что выпускное отверстие (20) соединяется с отводной трубой (22). 4. Трансмиссия по п. 3, отличающаяся тем, что отводная труба (22) продолжается в продолжение ветра от зубчатого колеса одного из зубчатых колес (11, 14). 5. Трансмиссия по любому из предыдущих пунктов, отличающаяся тем, что выпускное отверстие (20) размещено в радиальном продолжении наибольшего зубчатого колеса (11, 14). 6. Компрессор, обеспеченный элементом (2) компрессора и двигателем (3) для приведения в движение элемента (2) компрессора, отличающийся тем, что компрессор (1) обеспечен трансмиссией (4) по любому из предыдущих пунктов между ведущим Стр.: 1 A 2 0 1 9 1 3 9 0 5 2 A WO 2018/203152 ( ...

System für ein Nutzfahrzeug umfassend einen Schraubenkompressor sowie einen Elektromotor

Die vorliegende Erfindung betrifft ein System (1) für ein Nutzfahrzeug umfassend einen Kompressor (10), einen Elektromotor (5) und eine Antriebselektronik (6), wobei der Elektromotor (5) den Kompressor (10) antreibt, wobei Elektromotor (5), Kompressor (10) und Antriebselektronik (6) einen gemeinsamen Kühlkreislauf (100) aufweisen.

Kühlungsanordnung und Verfahren zur Kühlung eines mindestens zweistufigen Drucklufterzeugers

Die Erfindung betrifft eine Kühlungsanordnung für einen mindestens zweistufigen Drucklufterzeuger (01). Die Kühlungsanordnung umfasst einen Zwischenkühler (04), der zwischen einer ersten und einer zweiten Verdichterstufe (02, 03) angeordnet ist, einen Nachkühler (05), der nach der zweiten Verdichterstufe (03) angeordnet ist, und einen Baugruppenkühler (08), der Wärme von weiteren Baugruppen des Drucklufterzeugers (01) aufnimmt. Ein Kühlmittelkreislauf umfasst einen Hauptkühler (07), dessen Kaltseite dem jeweiligen Kühlmitteleingang des Zwischenkühlers (04), des Nachkühlers (05) und des Baugruppenkühlers (08) parallel ein gekühltes Kühlmittel mit einer Niedrigtemperatur zuführt, und dessen Heißseite das am jeweiligen Kühlmittelausgang des Zwischenkühlers (04) und des Nachkühlers (05) parallel austretende erhitzte Kühlmittel mit einer Hochtemperatur empfängt. Der Kühlmittelausgang des Baugruppenkühlers (08) ist an einen Zuspeiseeingang (12) des Zwischenkühlers (04) und/oder des Nachkühlers ...

SCREW EXPANDER

A screw expander includes a main body, at least an expansion screw and an adjusting component. The main body has a high pressure region, an expansion region and a low pressure region. The expansion screw is disposed at the expansion region and has an air inlet end and an air outlet end, wherein the air inlet end is connected to the high pressure region, and the air outlet end is connected to the low pressure region. The adjusting component covers the expansion screw, and is adapted to move relatively to the expansion screw to change an opening area of the air inlet end or an opening area of the air outlet end, such that a pressure of an air exhausted from the air outlet end is adjusted.

WATERTIGHT CHAMBER TYPE ELECTRIC VACUUM PUMP AND VACUUM BOOSTING BRAKE SYSTEM

An electric vacuum pump applied to a vacuum boosting brake system is provided. The pump has a water containing capacity that is greater than a backflow water capacity of an internal space defined in a pump housing which forms vacuum pressure. The pump includes a watertight chamber that is coupled to an exhaust port of a pump housing.

Scroll-type fluid machine

Provided is a scroll-type fluid machine that prevents wear of the parts of the fluid machine and improves the reliability thereof by reducing the amount of dust that reaches a face seal. The present invention comprises a revolving scroll that includes an end plate and a lap part provided to the end plate, and that moves in a revolving manner; a fixed scroll that includes an end plate, a lap part provided to the end plate such that a compression chamber is formed between itself and the lap part of the revolving scroll, and a flange that opposes the end plate of the revolving scroll; and a face seal that is provided between the flange of the fixed scroll and the end plate of the revolving scroll, and that seals a space between the fixed scroll and the revolving scroll, with the scroll-type fluid machine further comprising a shield part that suppresses dust from reaching the face seal from the outside in the radial direction.

Verfahren zur Herstellung eines Gehäuses eines Schraubenkompressors

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von wenigstens einem ersten Schraubenlagersitz (100) und wenigstens einem ersten Innenwandbereich (104) in einem Rotorengehäuse (20a), wobei das Rotorengehäuse (20a) Bestandteil eines Gehäuses (20) eines Schraubenkompressors (10) ist, umfassend die folgenden Schritte: – Ausrichtung des Rotorengehäuses (20a) des Schraubenkompressors (10); und – Fertigung des ersten Schraubenlagersitzes (100) und des ersten Innenwandbereichs (104) des Rotorengehäuses (20a) in wenigstens einem gemeinsamen Fertigungsvorgang.

Controller unit for controlling the speed of a motor driving an oil injected compressor and method of controlling said speed

The present invention is directed to a controller unit for controlling the speed of a motor (3) for driving an oil injected compressor (1), said controller unit (9) comprising: a data connection (12, 13, 14); a first module (17) configured to receive data through said data connection (12, 13, 14); whereby the controller unit (9) further comprises -a processing unit (18a) determining a minimum working speed (rpm

METHOD FOR PUMPING IN A SYSTEM OF VACUUM PUMPS AND SYSTEM OF VACUUM PUMPS

Système et méthode de pompage comprenant : une pompe à vide primaire sèche à vis (3) avec un orifice d'entrée des gaz (2) relié à une enceinte à vide (1) et un orifice de sortie des gaz (4) donnant dans un conduit (5) avant de déboucher dans la sortie des gaz (8) du système de pompage (SP), un clapet anti-retour (6) positionné dans le conduit (5) entre l'orifice de sortie des gaz (4) et la sortie des gaz (8), et un éjecteur (7) branché en parallèle au clapet anti-retour (6). La pompe à vide primaire sèche à vis (3) est mise en marche afin de pomper les gaz contenus dans l'enceinte à vide (1) par l'orifice de sortie des gaz (4). De manière simultanée, l'éjecteur (7) est alimenté en fluide moteur, et l'éjecteur (7) continue d'être alimenté en fluide moteur tout le temps que la pompe à vide primaire sèche à vis (3) pompe les gaz contenus dans l'enceinte à vide (1) et/ou tout le temps que la pompe à vide primaire sèche à vis (3) maintient une pression définie dans l'enceinte à vide (1).

ТРАНСМИССИЯ И КОМПРЕССОР ИЛИ ВАКУУМНЫЙ НАСОС, ОБЕСПЕЧЕННЫЙ ТАКОЙ ТРАНСМИССИЕЙ

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2019 139 052 A (51) МПК F04C 29/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2019139052, 13.03.2018 (71) Заявитель(и): АТЛАС КОПКО ЭРПАУЭР, НАМЛОЗЕ ВЕННОТСХАП (BE) Приоритет(ы): (30) Конвенционный приоритет: 04.05.2017 US 62/501,245; 24.01.2018 BE 2018/5037 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.12.2019 IB 2018/051662 (13.03.2018) (87) Публикация заявки PCT: R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) ТРАНСМИССИЯ И КОМПРЕССОР ИЛИ ВАКУУМНЫЙ НАСОС, ОБЕСПЕЧЕННЫЙ ТАКОЙ ТРАНСМИССИЕЙ (57) Формула изобретения 1. Трансмиссия (4) между ведущим валом (13) и ведомым валом (9), содержащая корпус (10) и по меньшей мере ведомое зубчатое колесо (11), которое установлено на ведомом валу (9), и ведущее зубчатое колесо (14), которое установлено на ведущем валу (13), отличающаяся тем, что корпус обеспечен выпускным отверстием (20), размещенным в радиальном продолжении одного из зубчатых колес (11, 14). 2. Трансмиссия по п. 1, отличающаяся тем, что выпускное отверстие (20) расположено в продолжение ветра от зубчатого колеса одного из зубчатых колес (11, 14). 3. Трансмиссия по любому из предыдущих пунктов, отличающаяся тем, что выпускное отверстие (20) соединяется с отводной трубой (22). 4. Трансмиссия по п. 3, отличающаяся тем, что отводная труба (22) продолжается в продолжение ветра от зубчатого колеса одного из зубчатых колес (11, 14). 5. Трансмиссия по любому из предыдущих пунктов, отличающаяся тем, что выпускное отверстие (20) размещено в радиальном продолжении наибольшего зубчатого колеса (11, 14). 6. Компрессор, обеспеченный элементом (2) компрессора и двигателем (3) для приведения в движение элемента (2) компрессора, отличающийся тем, что компрессор (1) обеспечен трансмиссией (4) по любому из предыдущих пунктов между ведущим Стр.: 1 A 2 0 1 9 1 3 9 0 5 2 A WO 2018/203152 ( ...

Kompressorsystem für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft ein Kompressorsystem für ein Nutzfahrzeug aufweisend wenigstens einen Kompressor (5), wenigstens einen Elektromotor (3), der den Kompressor (5) antreibt, wenigstens eine Elektromotorsteuerungseinheit (2) und wenigstens eine Luftaufbereitungseinrichtung (40) aufweist, wobei die Elektromotorsteuerungseinheit (2) derart beschaffen und eingerichtet ist, dass sie den Elektromotor (3) und zumindest teilweise die Luftaufbereitungseinrichtung (40) steuert.

Fluidmaschine

Ein fixiertes Schneckenbauteil (100) weist ein fixiertes Basisteil (110) und ein fixiertes Zahnbauteil (120) auf, das an dem fixierten Basisteil montiert ist, um eine Spiralform zu haben. Ein umlaufendes Schneckenbauteil (200) ist aus einem Harzmaterial hergestellt und weist ein umlaufendes Basisteil (260), das angeordnet ist, um zu dem fixierten Basisteil zugewandt zu sein; und ein umlaufendes Zahnbauteil (220) mit einer Spiralform auf. Ein Gehäuse (300) ist gestaltet, um das fixierte Schneckenbauteil und das umlaufende Schneckenbauteil aufzunehmen, wobei das fixierte Schneckenbauteil daran fixiert ist. Eine umlaufende Gleitfläche (230) ist radial außerhalb des umlaufenden Basisteils des umlaufenden Schneckenbauteils angeordnet, und eine Gehäusegleitfläche (360) ist an einem Abschnitt (310) des Gehäuses ausgebildet. Der Abschnitt ist aus einem Metallmaterial hergestellt und ist angeordnet, um zu der umlaufenden Gleitfläche zugewandt zu sein. Die umlaufende Gleitfläche ist mit der Gehäusegleitfläche ...

Method for pumping in a system of vacuum pumps and system of vacuum pumps

A pumping system and method comprising: a dry primary screw vacuum pump (3) having a gas inlet orifice (2) connected to a vacuum chamber (1) and a gas outlet orifice (4) that opens into a duct (5) before leading into the gas outlet (8) of the pumping system (SP), a non-return valve (6) positioned in the duct (5) between the gas outlet orifice (4) and the gas outlet (8), and an ejector (7) connected in parallel to the non-return valve (6). The dry primary screw vacuum pump (3) is started up in order to pump the gases contained in the vacuum chamber (1) through the gas outlet orifice (4). Simultaneously, the ejector (7) is supplied with pump fluid, and the ejector (7) continues to be supplied with pump fluid for the entire time that the dry primary screw vacuum pump (3) pumps the gases contained in the vacuum chamber (1) and/or for the entire time that the dry primary screw vacuum pump (3) maintains a defined pressure in the vacuum chamber (1).

DRY-COMPRESSING VACUUM PUMP

A dry-compressing vacuum pump, in particular a screw pump, has two rotor elements (14) which are arranged in a pump chamber (12) and which are each carried by a rotor shaft (22). Two shaft ends of the rotor shafts (22) project through a side wall (28) of the pump housing (10). On the two shaft ends (28) there is arranged in each case one toothed belt pulley (38). Furthermore, a drive device and an electric motor for driving the rotor shaft (22) are provided. According to the invention, the rotor shafts (22) are driven by means of a toothed belt (40). To be able to use a toothed belt for drive purposes, a rotational flank clearance between the two rotor elements (14) of greater than ±0.75°, in particular greater than ±1°, is provided.

SCREW COMPRESSOR FOR A UTILITY VEHICLE

a presente invenção refere-se a um compressor de parafuso (10) para um veículo utilitário com um filtro de ar (26), com um tubo de entrada (24) e com um canal de alimentação de ar (32) para a alimentação de ar para os parafusos do compressor de parafuso (10), sendo que o tubo de entrada (24) está disposto entre o filtro de ar (26) e o canal de alimentação de ar (32) e apresenta uma ranhura de bolsa (100), por meio da qual pode ser retido óleo. The present invention relates to a screw compressor (10) for a utility vehicle with an air filter (26), an inlet tube (24) and an air supply channel (32) for screw compressor bolts (10), the inlet tube (24) being disposed between the air filter (26) and the air supply channel (32) and has a pocket slot (100) whereby oil may be retained.

ЛОПАСТНОЙ ПНЕВМОДВИГАТЕЛЬ

FIELD: engine building. SUBSTANCE: invention relates to a pneumatic blade-type engine with reduced blade wear during operation at high pressure. Air engine (100) includes housing with inlet and outlet holes (102, 104), rotor with possibility of rotation fixed in housing, blades inserted into rotor. Air actuator (100) further comprises blades stoppers extending beyond the blade inner side top and bottom parts, inner ring conjugated with upper central part of rotor for pushing out retainers to initiate movement, and thrust bearings installed in upper and lower part of rotor to prevent movement of retainers outside. At least on one upper or lower part of the rotor there is an additional cover, on which guide slots for the blades direction are made. EFFECT: invention allows increasing engine output power. 4 cl, 9 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 741 681 C2 (51) МПК F01C 1/344 (2006.01) F01C 21/08 (2006.01) F01C 21/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01C 1/344 (2020.05); F01C 21/0809 (2020.05); F01C 21/0836 (2020.05); F01C 21/10 (2020.05) (21)(22) Заявка: 2019100685, 25.06.2017 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ГУН, Шуймин (CN), КИМ, Чэ-Хо (CN) Дата регистрации: 28.01.2021 24.06.2016 KR 10-2016-0078952 (43) Дата публикации заявки: 27.07.2020 Бюл. № 21 (56) Список документов, цитированных в отчете о поиске: GB 508199 A, 27.06.1939. JPH03185289 A, 13.08.1991. US 2009223480 A1, 30.07.1928. FR 2458675 A1, 02.01.1981. WO 02101203 A1, 19.12.2002. RU 2548522 C2, 20.04.2015. (45) Опубликовано: 28.01.2021 Бюл. № 4 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 24.01.2019 2 7 4 1 6 8 1 Приоритет(ы): (30) Конвенционный приоритет: R U 25.06.2017 (72) Автор(ы): КИМ, Чэ-Хо (CN) KR 2017/006675 (25.06.2017) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: R U 2 7 4 1 6 8 1 WO 2017/222347 (28.12.2017) Адрес для переписки: 101000, Москва, ...

Patent RU2019100685A3

`”ВУ“” 2019100685” АЗ Дата публикации: 05.08.2020 Форма № 18 ИЗПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2019100685/12(001084) 25.06.2017 РСТ/КК2017/006675 25.06.2017 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 19-2016-0078952 24.06.2016 КК Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) ЛОПАСТНОЙ ПНЕВМОДВИГАТЕЛЬ Заявитель: ГУН, Шуймин, СМ, КИМ, Чэ-Хо, СМ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ЕОТС 1/344 (2006.01) ЕОТС 21/08 (2006.01) ЕОТС 21/10 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) Е01С1/00, Е01С1/30-1/46, Е02В53/00, Е01С19/02, ЕО1С21/00-21/10, Е04С18/00, Е04С18/30- Е04С18/46 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепес, Соозе, РАТЕМТЫСОРЕ, Рабеагсь, КОРТО, ИЗРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием ( ...

КОМПРЕССОР И ВАКУУМНЫЙ НАСОС, ОБЕСПЕЧЕННЫЕ ТРАНСМИССИЕЙ

FIELD: machine building. SUBSTANCE: group of inventions relates to a compressor and a vacuum pump provided with a transmission. Compressor (1) is provided with compressor element (2) with driven shaft (9) and engine (3) with drive shaft (13) to actuate element (2). Compressor (1) is additionally provided with transmission (4) between shaft (13) and shaft (9). Transmission (4) comprises housing (10) and at least driven gear wheel (11), which is installed on shaft (9), and driving gear wheel (14), which is installed on shaft (13). Housing (10) comprises two separated chambers (20, 22). First chamber (20), which is connected to shaft (9), and second chamber (22), which is separated from chamber (20). Chamber (20) is communicated via channel (21) with chamber (22). Around wheel (14) or wheel (11) chamber (22) is formed. Chamber shape (22) is such that when wheel (11, 14) rotates around this wheel (11, 14) gas flow is created, which leads to negative pressure in channel (21) under action of Venturi effect. EFFECT: group of inventions is aimed at increasing efficiency of compressor and vacuum pump. 10 cl, 3 dwg

Transmission and compressor or vacuum pump provided with such a transmission

Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing is provided with an outlet opening (20), which outlet opening (20) is placed in the radial extension of one of the gearwheels (11, 14).

Oil feed type air compressor

The present invention provides an oil feed type air compressor that can reduce a power consumption of a compressor body during an unload operation. The oil feed type air compressor includes: a compressor body (1) compressing air while feeding an oil into a compression chamber; a separator (4) disposed on a discharge side of the compressor body; a compressed air-feeding system (5) feeding the compressed air separated by the separator to a use destination of the compressed air; an oil-feeding system (6) feeding the oil separated by the separator to the compression chamber of the compressor body; an oil cooler (11) and a temperature sensor (12) disposed in the oil-feeding system; and a controller enabling execution of a temperature control. The temperature control by the controller is performed by variably controlling a rotation speed of a cooling fan (13) such that, during the load operation, a temperature detected by the temperature sensor is a target value T1, and during the unload operation ...

Methods and systems for air compressor and engine driven control

Power systems and methods of controlling an engine driven air compressor include an air compressor driven by an engine via a clutch. A first pressure sensor configured to sense a pressure level at an outlet of the air compressor. An inlet valve configured to close in response to the first pressure sensor sensing a pressure level above a first pressure level. In addition, a second pressure sensor to sense a pressure level below a second pressure level at a housing of the air compressor, wherein the clutch is configured to disengage in response to the second pressure level, wherein the first pressure level is higher than the second pressure level.

Schraubenkompressorsystem für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft ein Schraubenkompressorsystem (100) für ein Nutzfahrzeug mit wenigstens einem Schraubenkompressor (10) und mit wenigstens einer Steuerungs- und/oder Regelungseinheit (130) zur Antriebssteuerung und/oder -regelung des Schraubenkompressors (10), wobei der Schraubenkompressor (10) wenigstens einen Luftauslass (51) mit wenigstens einem Mindestdruckventil (50) zur Steuerung des Arbeitsdrucks am Luftauslass (51) und wenigstens ein Entlastungsventil (80) aufweist, wobei der Schraubenkompressor (10) mittels der Steuerungs- und/oder Regelungseinheit (130) abschaltbar ist, sodass durch Öffnen des Entlastungsventils (80) der Arbeitsdruck innerhalb des Schraubenkompressors (10) für eine vorgegebene Zeitspanne gesenkt wird, damit ein Schließen des Mindestdruckventils (50) ermöglicht wird.

Transmission and compressor or vacuum pump provided with such a transmission

Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing (10) comprises two separated chambers (20, 22), i.e. a first-chamber (20') that is connected to the driven shaft (9) and a second chamber (22) which is separate from the first chamber (20), whereby the first chamber (20) is connected via a channel (21) with the second chamber (22), whereby around the drive gearwheel (14) or driven gearwheel (11) the second chamber (22) is formed, whereby the form of the second chamber (22) is such that when the gearwheel in question (11, 14) rotates, a gas flow is created around this gearwheel (11, 14) which causes a negative pressure in the channel (21) by the venturi effect.

TRANSMISSION AND COMPRESSOR OR VACUUM PUMP PROVIDED WITH SUCH A TRANSMISSION

Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing is provided with an outlet opening (20), which outlet opening (20) is placed in the radial extension of one of the gearwheels (11, 14).

베인모터

... 본 발명의 목적은 마모를 최소화하여 수명을 연장하고, 공기가 누출되는 것을 최대한 방지하는 베인 모터를 제공하기 위한 것으로서, 상기 베인 모터 회전시 베인이 상기 케이싱 내부와의 접촉을 방지하도록 상부에 돌출되어 형성되는 베인 스토퍼, 베인 스토퍼를 외측으로 밀어주도록 형성된 내부링 및 베인 모터 회전시 베인의 마모가 감소되도록 상기 로터 외측에 일정 간격으로 형성된 베인 롤러를 포함하여 구성될 수 있다.

진공 펌프 시스템 및 진공 펌프 시스템에서의 펌핑 방법

... 본 발명에 따른 펌프 시스템 및 방법은: 진공 챔버(1)에 연결된 가스 진입 구멍(2)과, 진공 펌프 시스템(SP)의 가스 배출부(8)로 나오기 전에 있는 도관(5)으로 이어지는 가스 이탈 구멍(4)을 구비한 스크류 유형의 1차 건식 진공 펌프; 가스 이탈 구멍(4)과 가스 배출부(8) 사이에서 도관(5) 안에 배치된 비-복귀 밸브(6); 및 비-복귀 밸브(6)에 대해 병렬로 연결된 이젝터(7)를 포함한다. 상기 스크류 유형의 1차 건식 진공 펌프(3)는, 진공 챔버(1) 안에 격납된 가스를 가스 이탈 구멍을 통해서 펌핑하기 위하여 작동개시된다. 동시에, 이젝터(7)에는 펌프 유체가 공급되고, 스크류 유형의 1차 건식 진공 펌프(3)가 상기 진공 챔버(1) 안에 격납된 가스를 펌핑하는 모든 시간 동안 및/또는 스크류 유형의 1차 건식 진공 펌프(3)가 진공 챔버(1) 내의 정해진 압력을 유지하는 모든 시간 동안에, 이젝터(7)에는 계속하여 작동 유체가 공급된다.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft einen Schraubenkompressor für ein Nutzfahrzeug mit wenigstens einer weiblichen Schraube (16), wenigstens einer männlichen Schraube (18), die mit der weiblichen Schraube (16) kämmt, und wenigstens einem Schraubenkompressorantrieb, wobei der Schraubenkompressorantrieb die weibliche Schraube (16) antreibt.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft einen Schraubenkompressor (10) für ein Nutzfahrzeug mit einem Luftfilter (26), mit einem Einlassstutzen (24) und mit einem Luftzuführkanal (32) zur Zuführung von Luft zu den Schrauben des Schraubenkompressors (10), wobei der Einlassstutzen (24) zwischen Luftfilter (26) und Luftzuführkanal (32) angeordnet ist und eine Taschennut (100) aufweist, mittels derer Öl zurückgehalten werden kann.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft einen Schraubenkompressor (10) für ein Nutzfahrzeug mit einem Gehäuse (20), wobei im betriebsbereiten und montierten Zustand des Schraubenkompressors (10) im Gehäuse (20) ein Ölsumpf vorgesehen und wobei im Ölsumpf ein Magnet (104) angeordnet ist.

COMPRESSED AIR DRIVEN INVERTER GENERATOR

A hub assembly for use in a compressed air driven inverter generator is provided. The hub assembly comprises: a hub comprising a plate with a cylindrical protrusion centered on a bottom face and a bore hole through the center of the plate and protrusion, the protrusion sized to fit into an inner bore hole of a stator and the bore hole of the hub sized to fit around without contacting an output shaft of an air motor of the generator, the plate also a trench on a bottom face and a plurality of mounting holes; a diffuser plate configured to attach to the bottom face of the hub with a plurality of air holes extending through the diffuser plate, the air holes being centered on the trench; a ring-shaped hub spacer in contact with a side of the diffuser plate opposite the hub.

TRANSMISSION AND COMPRESSOR OR VACUUM PUMP PROVIDED WITH SUCH A TRANSMISSION

Compressor or vacuum pump provided with a transmission. Compressor provided with a compressor element (2) with a driven shaft (3) and a motor (3) with a drive shaft (13) to drive the compressor element (2), said compressor (1) further being provided with a transmission (4) between said drive shaft (13) and said driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing (10) comprises two separated chambers (20, 22), i.e. a first chamber (20) that is connected to the driven shaft (9) and a second chamber (22) which is separate from the first chamber (20), whereby the first chamber (20) is connected via a channel (21) with the second chamber (22), whereby around the drive gearwheel (14) or driven gearwheel (11) the second chamber (22) is formed, whereby the form of the second chamber (22) is such that when the gearwheel in question (11, 14) rotates, a gas flow is created around this gearwheel (11, 14) which causes a negative pressure in the channel (21) by the venturi effect. Figure 1.

METHOD FOR PUMPING IN A SYSTEM OF VACUUM PUMPS AND SYSTEM OF VACUUM PUMPS

Système et méthode de pompage comprenant : une pompe à vide primaire sèche à vis (3) avec un orifice d'entrée des gaz (2) relié à une enceinte à vide (1) et un orifice de sortie des gaz (4) donnant dans un conduit (5) avant de déboucher dans la sortie des gaz (8) du système de pompage (SP), un clapet anti-retour (6) positionné dans le conduit (5) entre l'orifice de sortie des gaz (4) et la sortie des gaz (8), et un éjecteur (7) branché en parallèle au clapet anti-retour (6). La pompe à vide primaire sèche à vis (3) est mise en marche afin de pomper les gaz contenus dans l'enceinte à vide (1) par l'orifice de sortie des gaz (4). De manière simultanée, l'éjecteur (7) est alimenté en fluide moteur, et l'éjecteur (7) continue d'être alimenté en fluide moteur tout le temps que la pompe à vide primaire sèche à vis (3) pompe les gaz contenus dans l'enceinte à vide (1) et/ou tout le temps que la pompe à vide primaire sèche à vis (3) maintient une pression définie dans l'enceinte à vide (1).

THERMAL ENERGY RECOVERY DEVICE, INDEPENDENT, FOR HEAT TRANSFER FROM THE OIL TO THE WATER

SCREW-TYPE COMPRESSOR FOR A UTILITY VEHICLE

AIR COMPRESSOR

Provided is an air compressor which exhibits improved reliability by resolving problems relating to drainage discharge defects, and exhibits improved energy efficiency. The air compressor comprises: a compressor body which compresses air; a compressed air flow path through which the compressed air from the compressor body flows; a heat exchanger which is provided to the compressor flow path so as to cool the compressed air from the compressor body; and a drainage pipe (62) which branches from the compressed air flow path so as to connect to the exterior, and through which drainage condensed from the compressed air cooled in the heat exchanger flows. A strainer (65) which removes foreign matter contaminating the drainage is provided to the drainage pipe (62). An on-off valve (66) at the downstream side of the strainer (65), and a pressure sensor (41) at the upstream side thereof, said sensor detecting pressure inside the drainage pipe (62), are each provided so as to resolve drainage discharge ...

Air compressor

Provided is an air compressor which helps to attain a proper discharge air temperature and which is superior in energy saving property. There are provided an air line connecting an air compressor, an oil separator, and an after cooler; an oil circulation line connecting the air compressor, the oil separator, and an oil cooler; a bearing oil supply line connecting one end of an intermediate branching portion disposed at an intermediate point of the oil circulation line between the oil cooler and the air compressor to a bearing oil supply portion of the air compressor; an intermediate portion oil supply line connecting the other end of the intermediate branching portion to an intermediate oil supply portion of the air compressor; a branching line supplying oil to the bearing oil supply portion and the intermediate oil supply portion; a blower sending air to the oil cooler and the after cooler; a bypass line connecting one end of a bypass branching portion disposed at an intermediate point ...

Method for operating a vacuum pump and vacuum pump

Vacuum pump 10 and method for operating a vacuum pump wherein first the humidity in the vacuum pump, or humidity in the environment of the pump, is determined and if the determined humidity is above a pre-set threshold a control signal is generated to control condensation reduction means for reduction of humidity within the vacuum pump or to generate a warn signal. Preferably the humidity is determined by a humidity sensor 20, or an environmental humidity sensor 22. The pump may be a scroll pump and the reduction of condensation may be achieved by controlling, with control unit 12, an inlet valve 24, outlet valve 26, gas ballast system 18, 19, and the vacuum pump itself in addition to a cooling system and/or a heating system. When the pump is shutdown the control unit may close the inlet valve and/or close the outlet valve and may continue to run the pump for a pre-set time until the humidity falls below a second threshold. The warning signal can alert a user to condensation in the pump ...

Method for pumping in a system of vacuum pumps and system of vacuum pumps

A pumping system and method comprising: a dry primary screw vacuum pump (3) having a gas inlet orifice (2) connected to a vacuum chamber (1) and a gas outlet orifice (4) that opens into a duct (5) before leading into the gas outlet (8) of the pumping system (SP), a non-return valve (6) positioned in the duct (5) between the gas outlet orifice (4) and the gas outlet (8), and an ejector (7) connected in parallel to the non-return valve (6). The dry primary screw vacuum pump (3) is started up in order to pump the gases contained in the vacuum chamber (1) through the gas outlet orifice (4). Simultaneously, the ejector (7) is supplied with pump fluid, and the ejector (7) continues to be supplied with pump fluid for the entire time that the dry primary screw vacuum pump (3) pumps the gases contained in the vacuum chamber (1) and/or for the entire time that the dry primary screw vacuum pump (3) maintains a defined pressure in the vacuum chamber (1).

POSITIVE DISPLACEMENT PUMP WITH IMPROVED CLEANING

L'invention porte sur une pompe (1) volumétrique comprenant : - une tubulure (2) présentant une première extrémité (21) solidaire d'une zone de transmission (3) et une deuxième extrémité (22) se terminant par un cylindre (24) solidaire d'une zone de refoulement (4), la tubulure (2) comprenant une ouverture d'aspiration (23) et la zone de refoulement comprenant une ouverture de refoulement (41), - un arbre d'entrainement (5) avec un bout (53) située au niveau du cylindre (24), - un piston (6) plaqué contre le cylindre (24) par des moyens élastiques (7) de manière à bloquer un déplacement de fluide entre la tubulure (2) et la zone de refoulement (4), dans laquelle la pompe (1) comprend en outre des moyens (8, 9) pour écarter élastiquement le piston du cylindre (24) et le maintenir à une distance prédéterminée de celui-ci. Elle porte également sur un procédé de nettoyage de cette pompe ...

Compression System with Automatic Lubricant Changer

본 고안에 따른 실시예는 윤활수를 이용하는 압축기; 상기 압축기로부터 토출구로부터 배출된 유체를 압축공기와 수분으로 분리하고 분리된 수분의 일부를 상기 압축기로 제공하는 세퍼레이터부; 및 상기 윤활수 자동 교환장치;를 포함하고, 상기 윤활수 자동 교환장치는, 상기 세퍼레이터부 내에 보관된 윤활수의 수위에 기초하여 상기 압축기로의 순수 윤활수 공급을 제어함으로써 윤활수를 교환하는 윤활수 자동 교환장치를 구비한 압축 시스템을 제공할 수 있다. Embodiment according to the present invention is a compressor using lubricating water; A separator unit separating the fluid discharged from the discharge port from the compressor into compressed air and water and providing a part of the separated water to the compressor; And the lubricating water automatic changing device, wherein the lubricating water automatic changing device includes a lubricating water automatic changing device for exchanging lubricating water by controlling the supply of pure lubricating water to the compressor based on the level of the lubricating water stored in the separator unit. One compression system can be provided.

Trockenverdichtende Vakuumpumpe

Trockenverdichtende Vakuumpumpe mit zwei in einem Schöpfraum (12) angeordneten Rotorelementen (14), zwei, jeweils ein Rotorelement (14) tragenden Rotorwellen (22), zwei jeweils auf einem aus dem Schöpfraum (12) ragenden Wellenende (28) angeordneten Zahnriemenrädern (38), einer Antriebseinrichtung (42) zum Antreiben der Rotorwellen (22) und einem mit der Antriebseinrichtung (42) und den Zahnriemenrädern (38) verbundenen Zahnriemen, dadurch gekennzeichnet, dass ein Verdrehflankenspiel zwischen den beiden Rotorelementen von mehr als ±0,75° insbesondere mehr als ±1° vorgesehen ist.

Antriebsmaschine mit Energierückgewinnung durch ein Wirbelrohr

Eine Energiewandlungsmaschine in der Ausführungsform einer Antriebsmaschine (2), die durch ein unter Druck stehendes Arbeitsfluid (7) als Arbeitsmedium angetrieben wird, wobei Antriebsdruckluft bevorzugt wird. Zur Erhöhung des Wirkungsgrades des Energiewandlungsprozesses in dieser Antriebsmaschine (2) ist in ihr ein Wirbelrohr (5) integriert, das einen Teil der Restenergie, die noch als Druckenergie in dem aus dem Arbeitsraum bzw. den Arbeitsräumen der Antriebsmaschine (2) austretendem Arbeitsfluid (7) vorliegt, zurückgewinnt. Dazu wird die in dem Wirbelrohr (5) zurückgewonnene Energie in Form von Wärme per Wärmeleitung dem Arbeitsfluid (7) innerhalb des Arbeitsraums bzw. der Arbeitsräume der Antriebsmaschine (2) zugeführt. Um dies zu erreichen, wird das Wirbelrohr (5) so angeordnet, dass die warme Seite dieses Wirbelrohrs (5) dem Arbeitsraum bzw. den Arbeitsräumen der Antriebsmaschine (elrohrs (5). Eine solche Antriebsmaschine (2) kann, wie hier beschrieben, als Lamellenmotor umgesetzt ...

MOTOR DRIVEN COOLED COMPRESSOR SYSTEM

A cooled compressor system is provided including: a compressor that in operation compresses air; an electric motor that in operation drives the compressor, the electric motor having a back iron, a motor stator radially inward from the back iron, and a motor rotor radially inward from the motor stator; an airflow system fluidly connected to the compressor, the airflow system in operation directs air through the back iron and in between the motor stator and motor rotor; an airflow inlet that in operation allows an inflow of air to the airflow system; and an airflow outlet that in operation allows an outflow of air from the airflow system; wherein the air travels from the airflow inlet to the airflow outlet through the compressor and the airflow system. 1. A cooled compressor system comprising:a compressor that in operation compresses air;an electric motor that in operation drives the compressor, the electric motor having a back iron, a motor stator radially inward from the back iron, and a motor rotor radially inward from the motor stator;an airflow system fluidly connected to the compressor, the airflow system in operation directs air through the back iron and in between the motor stator and motor rotor;an airflow inlet that in operation allows an inflow of air to the airflow system; andan airflow outlet that in operation allows an outflow of air from the airflow system;wherein the air travels from the airflow inlet to the airflow outlet through the compressor and the airflow system.2. The cooled compressor system of claim 1 , wherein:the airflow system is fluidly connected to the airflow inlet through the compressor.3. The cooled compressor system of claim 2 , wherein:the compressor further includes a compressor inlet fluidly connected to the airflow inlet and a compressor outlet fluidly connected to the airflow system.4. The cooled compressor system of claim 1 , wherein:the airflow system is fluidly connected to the airflow outlet through the compressor.5. The ...

AIR COMPRESSOR

Schraubenkompressorsystem für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft ein Schraubenkompressorsystem (100) für ein Nutzfahrzeug mit wenigstens einem Schraubenkompressor (10) und mit wenigstens einer Steuerungs- und/oder Regelungseinheit (110) zur Antriebssteuerung und/oder -regelung des Schraubenkompressors (10), wobei die Steuerungs- und/oder Regelungseinheit (110) derart beschaffen ist, dass der Schraubenkompressor (10) nach einem Stopp an einem Wiederanlaufen für eine vorbestimmte Zeitspanne gehindert wird.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft einen Schraubenkompressor (10) für ein Nutzfahrzeug mit wenigstens einem Gehäuse (20) und einem Entlastungsventil (80), wobei das Entlastungsventil (80) einen federbelasteten Schließmechanismus (100) mit wenigstens einer Feder (102) und wenigstens einem Verschlusselement (104) aufweist, wobei die Feder (102) eine Federkraft aufweist, die derart bemessen ist, dass sie das Verschlusselement (104) betätigt, wenn ein vordefinierter Mindestdruck oberhalb Atmosphärendrucks erreicht wird.

Controller unit for controlling speed of motor driving oil injected compressor and method of controlling speed

Positive displacement pump with improved cleaning

Some embodiments are directed to a positive displacement pump comprising: a pipe having a first end secured to a transmission area and a second end ending in a cylinder secured to a discharge area, the pipe comprising a suction opening and the discharge area comprising a discharge opening, a drive shaft with one end situated at the cylinder, a piston pressed against the cylinder by elastic means so as to prevent fluid from moving between the pipe and the discharge area, in which the pump further comprises means for moving the piston elastically away from the cylinder and keeping it at a predetermined distance from same. Some other embodiments are directed to a method for cleaning this pump.

MIXING AND FEEDING APPARATUS

Verdichter und Druckluftsystem

Die Erfindung geht aus von einem Verdichter, insbesondere einem Handwerkzeugdruckluftverdichter, mit einer Gehäuseeinheit (12a), die zumindest eine erste Ansaugöffnung (14a) und zumindest eine Druckauslassöffnung (16a) aufweist. Es wird vorgeschlagen, dass die Gehäuseeinheit (12a) zumindest eine zweite Ansaugöffnung (18a) aufweist.

compressor helicoidal para veículo utilitário

SYSTEM FOR A UTILITY VEHICLE COMPRISING A COMPRESSOR AND AN ELECTRIC MOTOR

Scroll-Type Fluid Machine

Provided is a scroll-type fluid machine that prevents wear of the parts of the fluid machine and improves the reliability thereof by reducing the amount of dust that reaches a face seal. The present invention comprises a revolving scroll that includes an end plate and a lap part provided to the end plate, and that moves in a revolving manner; a fixed scroll that includes an end plate, a lap part provided to the end plate such that a compression chamber is formed between itself and the lap part of the revolving scroll, and a flange that opposes the end plate of the revolving scroll; and a face seal that is provided between the flange of the fixed scroll and the end plate of the revolving scroll, and that seals a space between the fixed scroll and the revolving scroll, with the scroll-type fluid machine further comprising a shield part that suppresses dust from reaching the face seal from the outside in the radial direction.

Vakuumpumpen-Schraubenrotor

Ein Vakuumpumpen-Schraubenrotor weist auf einer Rotorwelle mindestens zwei schraubenlinienförmige Verdrängungselemente (10, 12) auf. Die mindestens zwei Verdrängungselemente (10, 12) weisen unterschiedliche aber je Verdrängungselement konstante Steigungen auf. Ferner weisen die Verdrängungselemente jeweils eine schraubenlinienförmige Ausnehmung mit jeweils über ihre gesamte Länge gleichbleibender Kontur auf. Hierbei weist ein saugseitiges Verdrängungselement (10) eine Ausnehmung mit asymmetrischer Kontur und ein druckseitiges Verdrängungselement (12) eine Ausnehmung mit einer symmetrischen Kontur auf.

VANE-TYPE AIR MOTOR

System for an Utility Vehicle Comprising a Screw Compressor and an Electric Motor

A system for a utility vehicle has a screw compressor and an electric motor. The electric motor drives the screw compressor. The electric motor is connected to the screw compressor by a flange which has at least one cooling connection, and a cooling channel is provided in the flange.

PUMPING METHOD IN A SYSTEM OF VACUUM PUMPS AND SYSTEM OF VACUUM PUMPS

The present invention relates to a pumping method in a pumping system (SP) comprising: a primary dry screw-type vacuum pump () with a gas entry orifice () connected to a vacuum chamber () and a gas exit orifice () leading into a conduit () before coming out into the gas outlet () of the pumping system (SP), a non-return valve () positioned in the conduit () between the gas exit orifice () and the gas outlet (), and an ejector () connected in parallel to the non-return valve (). According to this method, the primary dry screw-type vacuum pump () is put into operation in order to pump the gases contained in the vacuum chamber () through the gas exit orifice (); in a simultaneous way, the ejector () is fed with working fluid, and the ejector () continues to be fed with working fluid all the time that the primary dry screw-type vacuum pump () pumps the gases contained in the vacuum chamber () and/or all the time that the primary dry screw-type vacuum pump () maintains a defined pressure in the vacuum chamber (). The present invention also relates to a pumping system (SP) able to be used for implementing this method. 1. Pumping method in a system of vacuum pumps comprising:a primary dry screw-type vacuum pump with a gas entry orifice connected to a vacuum chamber and a gas exit orifice leading into a conduit before coming out into the gas outlet of the system of vacuum pumps,a non-return valve positioned in the conduit between the gas exit orifice and the gas outlet, andan ejector connected in parallel to the non-return valve,the method being characterised in thatthe primary dry screw-type vacuum pump is put in operation in order to pump the gases contained in the vacuum chamber through the gas exit orifice;in a simultaneous way, the ejector is fed with working fluid; andthe ejector continues to be fed with working fluid all the time that the primary dry screw-type vacuum pump pumps the gases contained in the vacuum chamber and/or all the time that the primary dry screw- ...

Controller unit for controlling the speed of a motor driving an oil injected compressor and method of controlling said speed

The present invention is directed to a controller unit for controlling the speed of a motor (3) for driving an oil injected compressor (1), said controller unit (9) comprising: a data connection (12, 13, 14); a first module (17) configured to receive data through said data connection (12, 13, 14); whereby the controller unit (9) further comprises -a processing unit (18a) determining a minimum working speed (rpm ...

VACUUM PUMP SCREW ROTOR

A vacuum pump screw rotor, comprising at least two helical displacer elements on a rotor shaft. The at least two displacer elements have different pitches, but the pitches of each displacer element are constant. Furthermore, the displacer elements each have a helical recess, each having a contour that remains the same over its entire length. Hereby, a suction-side displacer element has a recess having an asymmetric contour, and a pressure-side displacer element has a recess having a symmetrical contour.

COMPRESSOR OR VACUUM PUMP PROVIDED WITH A TRANSMISSION

A compressor provided with a compressor element with a driven shaft, a motor with a drive shaft to drive the compressor element, and a transmission between the drive shaft and the driven shaft. The transmission includes a housing and at least a driven gearwheel that is mounted on the driven shaft and a drive gearwheel that is mounted on a drive shaft. The housing includes two separated chambers, a first chamber that is connected to the driven shaft and a second chamber which is separate from the first chamber. The first chamber is connected via a channel with the second chamber, whereby around the drive gearwheel or driven gearwheel, the second chamber is formed. The form of the second chamber is such that when the gearwheel in question rotates, a gas flow is created around this gearwheel which causes a negative pressure in the channel by the venturi effect.

positive displacement pump piston eccentric, and, method for cleaning a pump

System für ein Nutzfahrzeug umfassend einen Schraubenkompressor sowie einen Elektromotor

Die vorliegende Erfindung betrifft ein System (1) für ein Nutzfahrzeug umfassend einen Kompressor (10), einen Elektromotor (5) und eine Antriebselektronik (94), wobei der Elektromotor (5) den Kompressor (10) antreibt, wobei Elektromotor (5) und Antriebselektronik (94) ein gemeinsames Gehäuse (102) aufweisen und wobei der Elektromotor (5) einen Rotor aufweist, der die Antriebswelle des Kompressors (10) zumindest teilweise umgreift.

HEAT RECOVERY DEVICE

A preheating heat exchanger allows heat exchange between cooling water on an outlet side of an auxiliary cooling heat exchanger and supply water that has passed through a preheating bypass path.

Lamellenmotor mit Einstellmöglichkeit

Ein Lamellenmotor 14 umfasst einen in einer Motorbuchse 20 drehbaren Lamellenläufer 22 mit radial beweglichen Lamellen 26. Zwischen dem Lamellenläufer 22 und der Motorbuchse 20 sind durch die Lamellen 26 begrenzte Lamellenzwischenräume 36 gebildet. Eine Zuführöffnung 30, 32 ist zum Zuführen eines Druckfluids in die Lamellenzwischenräume 36 vorgesehen. Eine Abführöffnung 34 dient zum Abführen des Druckfluids. Die Abführöffnung 34 ist als radiale Öffnung in der Motorbuchse 20 ausgebildet. Um eine Einstellbarkeit zu ermöglichen, die im Betrieb sonst möglichst keine negativen Wirkungen hat, ist ein verstellbares Drosselelement 40 an der Abführöffnung 34 so angeordnet, dass ein Durchströmungsquerschnitt an der Abführöffnung 34 einstellbar ist.

TRANSMISSION AND COMPRESSOR OR VACUUM PUMP PROVIDED WITH SUCH A TRANSMISSION

A transmission between a drive shaft and a driven shaft comprises a housing and at least a driven gearwheel that is mounted on the driven shaft and a drive gearwheel that is mounted on a drive shaft. The housing comprises two separated chambers, i.e. a first chamber that is connected to the driven shaft and a second chamber which is separate from the first chamber, whereby the first chamber is connected via a channel with the second chamber, whereby around the drive gearwheel or driven gearwheel the second chamber is formed, whereby the form of the second chamber is such that when the gearwheel in question rotates, a gas flow is created around this gearwheel which causes a negative pressure in the channel by the venturi effect.

SCREW COMPRESSOR FOR A UTILITY VEHICLE

Screw Compressor for a Utility Vehicle

A screw compressor for a utility vehicle has a housing, wherein, in the operationally ready and assembled state of the screw compressor, an oil sump is provided in the housing. A magnet is arranged in the oil sump.

Kompressionsanlage

Kompressionsanlage. dadurch gekennzeichnet, dass zwei endlose Förderbänder, 1, (2) und (2a) Luft, (7)(7)(7), in einen geschlossenen Behälter, (1)(1a)(1b), und 2 (14) bringen.

COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE COMPRESSED AIR GENERATOR

A cooling arrangement for an at least two-stage compressed air generator comprises an intercooler arranged between a first and a second compressor stage, an aftercooler arranged after the second compressor stage, and a subassembly cooler, which absorbs heat from further subassemblies of the compressed air generator. A coolant circuit comprises a main cooler, the cold side supplying a cooled coolant parallel to the respective coolant inlet of the intercooler, of the aftercooler and of the subassembly cooler, and the hot side receiving the heated coolant exiting in parallel at the respective coolant outlet of the intercooler and of the aftercooler. The coolant outlet of the subassembly cooler is connected to a feed inlet of the intercooler and/or of the aftercooler.

Compressed air supply device for exhaust treatment device of motor vehicle, particularly commercial vehicle, has compressed air, which is supplied to exhaust treatment device over compressed air vessel

The compressed air supply device (60) has a compressed air, which is supplied to an exhaust treatment device over a compressed air vessel (64). The compressed air vessel and a valve (63), which serves to induce the compressed air supply from the compressed air vessel to the exhaust treatment device, are combined in a component (61). An input connection (62) of the component remains in a pneumatic connection with a compressor.

Transmission and compressor or vacuum pump with the transmission

PIPING MEMBER AND FLUID TRANSPORT DEVICE

A tubular portion; and flange portions at both ends of the tubular portion are included. A bent portion is formed between the two flange portions. The two flange portions are directly connected to each other.

SCREW COMPRESSOR FOR A UTILITY VEHICLE

ARRANGEMENT FOR A SCREW COMPRESSOR OF A UTILITY VEHICLE

compressor helicoidal para veículo utilitário

TWO-STAGE COMPRESSOR UNIT AND COMPRESSOR SYSTEM HAVING SAME

The present invention relates to a two-stage compressor unit having a triple trochoidal rotor and a compressor system having the same and, more specifically, to a compressor system comprising: a compressor unit having a triple trochoidal rotor which includes a first rotor, a second rotor, a third rotor, a casing, a second suction port, a first suction port, a second discharge port, and a first discharge port; and a driving unit which allows an external working fluid to be sucked into the suction ports by rotating the first, second, and third rotors, and which also allows the working fluid sucked into the suction ports to be discharged from the discharge ports in a compressed state. The present invention, as configured above, comprises the compressor unit having the triple trochoidal rotor such that working fluid can be compressed in two stages whereby the working fluid can be transferred at a high pressure, and a suction amount and a discharge amount of the working fluid are increased, ...

Air compressor and extraneous-matter removing apparatus

An air compressor according to an embodiment, which includes a cylinder and a rotating body provided to be rotatable around a rotation axis in the cylinder so as to generate compressed air through intake and exhaustion caused by rotation of the rotating body, includes an intake valve. The intake valve takes air in the intake and exhaustion. The intake valve is provided in the cylinder.

Methods and systems for air compressor and engine driven control

Power systems and methods of controlling an engine driven air compressor include an air compressor driven by an engine via a clutch. A first pressure sensor configured to sense a pressure level at an outlet of the air compressor. An inlet valve configured to close in response to the first pressure sensor sensing a pressure level above a first pressure level. In addition, a second pressure sensor to sense a pressure level below a second pressure level at a housing of the air compressor, wherein the clutch is configured to disengage in response to the second pressure level, wherein the first pressure level is higher than the second pressure level.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft ein Schraubenkompressor (10) für ein Nutzfahrzeug mit wenigstens einem Gehäuse (20) mit wenigstens einem Gehäusedeckel (20b) und mit wenigstens einem Rotorengehäuse (20a), wenigstens einem Schwallblech (100) und mit wenigstens einer Dichtung (104), wobei im montierten Zustand im Gehäuse (20) ein Ölsumpf vorhanden ist, wobei bezogen auf den montierten Zustand die Dichtung (104) zwischen Gehäusedeckel (20b) und Rotorengehäuse (20a) angeordnet ist und aus dem Ölsumpf herausragt, wobei die Dichtung (104) das Innere des Gehäusedeckels (20b) vom Inneren des Rotorengehäuses (20a) zumindest teilweise voneinander trennt und wobei das Schwallblech (100) bezogen auf den montierten Zustand bei im wesentlicher horizontaler Ausrichtung des Schraubenkompressors (10) und bei im wesentlicher horizontaler Ausrichtung des Ölsumpfes im Wesentlichen parallel zum oberen Level des Ölsumpfes ausgerichtet ist.

Schraubenkompressorsystem für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft ein Schraubenkompressorsystem (100) für ein Nutzfahrzeug mit wenigstens einem Schraubenkompressor (10), wenigstens einem Schraubenkompressorantrieb und wenigstens einer Steuerungs- und/oder Regelungseinheit (110), wobei die Steuerungs- und/oder Regelungseinheit (110) mit dem Schraubenkompressorantrieb in Verbindung steht, wobei die Steuerungs- und/oder Regelungseinheit (110) derart beschaffen und konfiguriert ist, dass sie im Betrieb des Schraubenkompressors (10) das Verhältnis von Standzeit und Einschaltzeit des Schraubenkompressorantriebs überwacht und dieses Verhältnis auf einen vorgegebenen Bereich einsteuert und/oder einregelt.

ELEKTRISCHE VAKUUMPUMPE DES WASSERDICHTE-KAMMER-TYPS UND VAKUUMBREMSKRAFTVERSTÄRKUNGSSYSTEM

Eine elektrische Vakuumpumpe (1), welche auf ein Vakuum-Bremskraftverstärkungssystem (100) angewendet ist, ist bereitgestellt. Die Pumpe (1) hat eine Wasserenthaltungskapazität, die größer ist als eine Rückströmungswasserkapazität eines inneren Raums, welcher in einem Pumpengehäuse (20) definiert ist, welches Vakuumdruck ausbildet. Die Pumpe (1) weist eine wasserdichte Kammer (10) auf, die mit einem Auslassanschluss (25) eines Pumpengehäuses (20) gekuppelt ist.

ROTARY VACUUM PUMP

The present invention relates to a rotary vacuum pump capable of improving durability and reducing production costs. The rotary vacuum pump includes: a pump housing including a pump room formed in a cylindrical shape; a rotor mounted on the pump room to rotate in order for the center to be eccentric from the center of the pump room, wherein the rotor rotates by a rotation shaft; a vane compressing gas flowing into the pump room by being mounted on the rotor; and a single discharge valve discharging the gas to the outside of the pump housing when the compressed gas exceeds a predetermined pressure. The pump housing has an inner flow path in order for the compressed gas to flow from one side of the pump room to the other side of the pump room. A check valve limiting only a one-way flow is mounted on the inner flow path.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft ein Schraubenkompressor (10) für ein Nutzfahrzeug mit wenigstens einem Gehäuse (20) mit wenigstens einem Gehäusedeckel (20b) und mit wenigstens einem Rotorengehäuse (20a) und mit wenigstens einer Dichtung (104), wobei im montierten Zustand im Gehäuse (20) ein Ölsumpf vorhanden ist, wobei bezogen auf den montierten Zustand die Dichtung (104) zwischen Gehäusedeckel (20b) und Rotorengehäuse (20a) angeordnet ist und aus dem Ölsumpf herausragt, wobei die Dichtung (104) als Dichtplatte ausgebildet ist und mehrere Durchtrittsöffnungen (108, 110) aufweist.

Schraubenkompressor für ein Nutzfahrzeug

Die vorliegende Erfindung betrifft einen Schraubenkompressor (10) für ein Nutzfahrzeug mit wenigstens einem Gehäuse (20) und mit wenigenstens einem am Gehäuse (20) angeordneten Luftölabscheider-Halter (40), wobei der Luftölabscheider-Halter (40) aus nicht-korrosivem Material gefertigt ist und wobei ein Entlastungsventil (80) vorgesehen ist, das im Luftölabscheider-Halter (40) angeordnet ist, mittels dessen das Innere des Schraubenkompressors (10) druckentlastbar ist.

COMBUSTOR FOR HEATING OF AIRFLOW ON A DRILL RIG

A blasthole drill rig includes a base, a drill tower extending from the base, a drill pipe coupled to the drill tower, a drill bit coupled to a lower end of the drill pipe, an air compressor that directs compressed air through the drill pipe, and a heating element that heats the compressed air. 1. A blasthole drill rig comprising:base;a drill tower extending from the base;a drill pipe coupled to the drill tower;a drill bit coupled to a lower end of the drill pipe;an air compressor that directs compressed air through the drill pipe; anda heating element that heats the compressed air.2. The blasthole drill rig of claim 1 , wherein the heating element is disposed on the drill pipe.3. The blasthole drill rig of claim 1 , wherein the heating element is a combustor that ignites fuel to generate heat.4. The blasthole drill rig of claim 3 , further comprising a prime mover that drives the air compressor claim 3 , wherein the prime mover is fueled by a fuel source claim 3 , and wherein the combustor is fueled by the same fuel source as the prime mover.5. The blasthole drill rig of claim 1 , wherein the heating element is disposed on an upper portion of the drill pipe claim 1 , wherein the upper portion of the drill pipe remains exposed above ground during drilling operations.6. The blasthole drill rig of claim 1 , wherein the heating element is movable along the drill pipe.7. The blasthole drill rig of claim 1 , wherein the drill pipe includes an internal cavity claim 1 , wherein the air compressor is configured to direct the compressed air through the internal cavity claim 1 , and wherein the heating element is configured to generate heat and to direct the heat toward compressed air that is entering the internal cavity.8. The blasthole drill rig of claim 1 , wherein the air compressor is an oil flooded rotary screw air compressor.9. The blasthole drill rig of claim 1 , wherein the drill pipe includes a plurality of vent apertures that provide a pathway for the compressed ...

FLUID COMPRESSOR

The present invention relates to a fluid compressor comprising: a driving module comprising a driving motor embedded in a motor case; and a compression module comprising a rotor, which is rotatably driven by a driving motor and which has a plurality of variable blades radially provided along the outer peripheral surface thereof, a rotor housing for encompassing the rotor, and a cover of the rotor, for closing the rotor housing, wherein the compression modules are stacked and airtight to block contact between fluid passing through the compression module and air outside the compression module, so that the fluid flowing into any one compression module sequentially passes through the remaining compression modules. The rotary shafts provided in each center of the rotors are connected a shaft coupler. The present invention simultaneously achieves a high-efficiency compression ratio and reduces noise caused by the excessive velocity of any compression module. 1. A fluid compressor comprising:a driving module comprising a driving motor and a motor case in which the driving motor is embedded; anda compression module comprising a rotor, which is rotatably driven by means of the driving motor and which has a plurality of variable blades radially provided along the outer peripheral surface thereof, a rotor housing for encompassing the rotor, and a cover of the rotor, for closing the rotor housing,wherein the compression modules are assembled in a form in which two or more compression modules are stacked, the respective compression modules airtightly come in close contact with each other so as to block contact between a fluid passing through the compression module and air outside the compression module, so that the fluid flowing into any one compression module sequentially passes through the remaining compression modules, all the compression modules are driven by means of one driving motor, and rotary shafts provided in each center of the rotors inside the respective compression ...

COMPRESSOR WITH A CLOSED LOOP WATER COOLING SYSTEM

The present disclosure provides a compressor system having at least one fluid compressor for compressing a working fluid. A lubrication supply system is operable for supplying lubrication fluid to the compressor. A closed loop cooling system using R718 refrigerant is provided to cool the working fluid. The closed loop cooling system includes a refrigerant compressor for compressing the refrigerant, a condenser operable for receiving compressed refrigerant gas and removing heat to form liquid refrigerant, and an expansion device for expanding and cooling the liquid refrigerant into a cooled gaseous refrigerant. 1. A compressor system comprising:at least one fluid compressor for compressing a working fluid;a lubrication supply system operable for supplying lubrication fluid to the compressor; a refrigerant compressor for compressing a refrigerant;', 'a condenser operable for receiving compressed refrigerant gas and removing heat to form a liquid refrigerant;', 'an expansion device for expanding and cooling the liquid refrigerant into a cooled gaseous refrigerant;', 'a heat exchanger in fluid communication with the refrigerant; and', 'wherein the refrigerant is R718 (water)., 'a closed loop cooling system comprising2. The compressor system of claim 1 , wherein the closed loop cooling system is defined by a hermetically sealed refrigerant flowpath such that R718 refrigerant is not removed or replaced in the flowpath during system operation.3. The compressor system of claim 1 , wherein the heat exchanger is in fluid communication with lubrication fluid.4. The compressor system of claim 1 , wherein the heat exchanger is in fluid communication with the working fluid.5. The compressor system of further comprising:a plurality of heat exchangers in fluid communication with the refrigerant.6. The compressor system of further comprising:at least one bypass conduit for bypassing at least one of the plurality of heat exchangers.7. The compressor system of further comprising:at ...

VANE-TYPE AIR MOTOR

The present invention provides a vane-type compressed air motor, comprising a casing, a rotor and vanes, wherein the casing is provided with an air inlet and an air outlet, a plurality of vanes are inserted into the rotor, and the rotor is disposed inside the casing to form a rotating body. The difference from the prior art is that the present invention further comprises a vane stopper, an inner retainer ring, stop bearings and a kit. Using the technique provided by the present invention, the wear of the vanes can be significantly reduced even under high pressure conditions, such that the service life of the vane is prolonged, air leakage is prevented, and the motor power can be improved. The present invention can also be used in various tools, having a significant effect of saving a lot consumption and cost, thereby having broad market prospects. 1. A vane-type compressed air motor , comprisinga casing, a rotor and vanes,the casing being provided with an air inlet and an air outlet, and;a plurality of vanes being inserted into the rotor which is disposed inside the casing to form a rotating body;wherein the vane-type compressed air motor further comprises: vane stoppers, an inner retainer ring, stop bearings and a kit,the vane stoppers are respectively disposed on two sides of an inner end side of the vane to form a protruding limit stop; the inner retainer ring is connected to an upper central portion of the rotor, with an outer ring thereof pushing the limit stop of the vane outwards; the stop bearings are respectively disposed at upper and lower portions of the rotor to restrict the vane stopper from moving outwards; and the kit is composed of an upper cover and a lower cover respectively disposed at two ends of the rotor, with inner side surfaces of the upper cover and the lower cover being provided with guide grooves, the vanes being movable within the guide grooves.2. (canceled)3. The vane-type compressed air motor according to claim 1 , wherein an insertion ...

System for a Utility Vehicle Comprising a Screw Compressor and an Electric Motor With a Common Cooling System

A system for a utility vehicle has a compressor, an electric motor and an electronic drive system. The electric motor drives the compressor. The electric motor, the compressor and the electronic drive system have a common cooling circuit.

Assembly of Screws for a Screw Compressor for a Utility Vehicle

An arrangement of screws for a screw compressor for a utility vehicle includes at least one female screw and at least one male screw. The female screw and the male screw each have teeth that engage with one another. The teeth of the female screw have a roll-off tooth flank which is provided for rolling-off a tooth flank of the male screw. The roll-off tooth flank has a convexly rounded roll-off tip region in the tip region, which has a first radius, wherein a tooth base is provided between two neighboring teeth of the female screw, which is connected to the roll-off tip region via a flat transition region. The tooth base between two teeth of the female screw is substantially concavely rounded and has a second radius, wherein the second radius is approx. 2.5 to 3.5 times greater than the first radius.

Screw Compressor for a Utility Vehicle

A screw compressor for a utility vehicle has a rotor housing, in which screw rotors of the screw compressor are arranged, a housing cover, and an air outlet pipe arranged on an output side of the housing cover and having a riser. The air outlet pipe has at least one oil separator.

Method for Producing a Housing of a Screw Compressor

A method produces at least one first screw bearing seat and at least one first inner wall region in a rotor housing. The rotor housing is part of a housing of a screw compressor. The method orients the rotor housing of the screw compressor, and produces the first screw bearing seat and the first inner wall region of the rotor housing in at least one joint production operation.

HIGH EFFICIENCY HEATING AND/OR COOLING SYSTEM AND METHODS

HVAC systems and methods for delivering highly efficient heating and cooling using ambient air as the working fluid. A plenum has an upstream inlet and a downstream outlet, each in fluid communication with a target space to be heated or cooled. Ambient air is drawn into the inlet at an incoming pressure and an incoming temperature. The inlet and outlet are gated, respectively, by first and second rotary pumps. A heat exchanger in the plenum transfers heat into or out of the air, provoking a change in air volume within the plenum. Work is harvested in response to change in air volume. The systems and methods can be configured to replace a traditional blower fan used to circulate the interior and exterior air. The systems and methods can be configured to implement a technique referred to as Convergent Refrigeration. 1. A method for heating or cooling a target space by circulating ambient air sourced from the target space across a heat exchanger and returning the air back to the target space at a higher or lower temperature , said method comprising the steps of:providing a plenum having an upstream inlet in fluid communication with the target space and a downstream outlet in fluid communication with the target space,drawing ambient air from the target space into the inlet of the plenum at an incoming pressure and an incoming temperature,inlet gating the plenum at an upstream location with a first pump,outlet gating the plenum at a downstream location with a second pump,operatively locating a heat exchanger within the plenum in-between the first and second pumps, the air in the plenum upstream of the heat exchanger having an Approaching Temperature,transferring heat into or out of the air with the heat exchanger, said step of transferring heat including provoking a change in the volume of the air within the plenum,harvesting work directly from at least one of the first and second pumps in response to changes in the volume of the air in the plenum,rotating at least one ...

POSITIVE DISPLACEMENT PUMP WITH IMPROVED CLEANING

Some embodiments are directed to a positive displacement pump comprising: a pipe having a first end secured to a transmission area and a second end ending in a cylinder secured to a discharge area, the pipe comprising a suction opening and the discharge area comprising a discharge opening, a drive shaft with one end situated at the cylinder, a piston pressed against the cylinder by elastic means so as to prevent fluid from moving between the pipe and the discharge area, in which the pump further comprises means for moving the piston elastically away from the cylinder and keeping it at a predetermined distance from same. Some other embodiments are directed to a method for cleaning this pump. 1. An eccentric piston positive displacement pump , comprising:a pipe having a first end secured to a transmission area and a second end ending in a cylinder secured to a discharge area, the pipe comprising a suction port and the discharge area comprising a discharge port,a drive shaft extending between the transmission area and the pipe with one end situated at the cylinder, anda piston arranged in the discharge area and mounted to slide at the end of the shaft and being pressed against the cylinder by elastic means so as to prevent fluid from moving between a pipe and the discharge area,characterized in that the pump further comprises means for moving the piston elastically away from the cylinder and keeping it at a predetermined distance from same.2. The pump as claimed in claim 1 , wherein the predetermined distance is between 2 mm and 10 mm inclusive.3. The pump as claimed in claim 1 , further comprising a sleeve arranged in the pipe around the shaft and comprising at least one metal bellows that is sealingly fixed by first fixing means to the first end of the pipe and by second fixing means to said end of the shaft claim 1 , in such a manner as to prevent the transmission of fluids from the pipe toward the shaft.4. The pump as claimed in claim 3 , wherein the means for ...

GAS-LIQUID SEPARATOR AND METHOD AND AIR COMPRESSOR SYSTEM EQUIPPED THEREWITH

A gas-liquid separator and method and air compressor system. The gas-liquid separator includes a separator tank having wet side and dry side chambers. The wet side chamber separates and collects liquids from pressurized air that enters through a tank inlet. A separation valve inlet port connects the wet side chamber with the dry side chamber and allows moist air to pass from the wet side chamber to the dry side chamber and prevents collected liquids from passing from the wet side chamber to the dry side chamber. A separation valve assembly opens the separation valve inlet port when pressurized air is forced into the wet side chamber and a pressure is met and/or exceeded and to close the separation valve inlet port when pressurized air is not being forced into the wet side chamber and pressure falls below the pressure.

Sealing device of oil-injection Screw Compressor

According to the present invention, a screw compressor comprises: a housing having a compression chamber formed therein; a male and female rotor installed in the compression chamber; a drive shaft rotating the male and female rotor; and a seal cover installed across the drive shaft. The screw compressor more comprises: an oil chamber provided in the seal cover to enable oil leaking to the drive shaft to return to the compression chamber; and a breather injecting outdoor air into the oil chamber. Accordingly, the breather is provided in an upper portion of the oil chamber, and an oil collection line is placed in a lower portion to provide difference of pressure of the upper and lower portions. Therefore, a flow of the oil leaking to the drive shaft can smoothly return to the oil collection line.

Pumping method in vacuum pump system and vacuum pump system

一种泵送系统和泵送方法，包含：主要干式螺杆型真空泵(3)，设有连接至真空室(1)的气体进入孔口(2)和气体离开孔口(4)，气体离开孔口(4)在通向导管(5)之后，被导入泵送系统(SP)的气体出口(8)；止回阀(6)，被定位于气体离开孔口(4)与气体出口(8)之间的导管(5)中；及，喷射器(7)，与止回阀(6)并联连接。启动主要干式螺杆型真空泵(3)，以便将真空室(1)中包含的气体泵送通过该气体离开孔口(4)。同时，喷射器(7)被供给工作流体，并且在主要干式螺杆型真空泵(3)泵送真空室(1)中所包含的气体的整个时间期间和/或主要干式螺杆型真空泵(3)将真空室(1)维持在一个预定压力的整个时间期间，该喷射器(7)持续被供给工作流体。

Air compressor

본 발명은 공기압축기에 관한 것으로, 본 발명의 일 실시예에 따른 공기압축기는, 원통 형상을 가지며, 외부의 공기를 흡입하여 공기를 압축하여 외부로 배출하기 위해 흡입구 및 배출구가 외주면에 형성되고, 양단이 개방되어 내부에 중공을 갖는 압축기 본체; 상기 압축기 본체의 개방된 양단에 각각 설치되는 두 개의 메인 커버; 상기 압축기 본체의 내부에 상기 압축기 본체의 원통 형상의 중심축과 편심된 상태로 배치되고, 상기 두 개의 메인 커버에 설치되는 로터축을 기준으로 회전하며, 상기 로터축에서 외측으로 방향으로 복수 개의 로터홈이 형성된 로터; 상기 로터에 형성된 상기 복수 개의 로터홈에 각각 배치되며, 상기 복수 개의 로터홈에서 이동하도록 배치된 복수 개의 베인; 및 상기 로터에 설치되고, 상기 복수 개의 베인이 상기 복수 개의 로터홈에서 이동할 때, 상기 로터와 베인이 접촉하지 않도록 상기 로터에 설치된 복수 개의 로터 베어링을 포함할 수 있다.

Vane motor

본 발명의 목적은 마모를 최소화하여 수명을 연장하고, 공기가 누출되는 것 을 최대한 방지하고, 출력을 높일 수 있도록 하는 베인 모터를 제공하기 위한 것으로서, 상기 베인 모터 회전시 베인이 상기 케이싱 내부와의 접촉을 방지하도록 상부에 돌출되어 형성되는 베인 스토퍼, 베인 스토퍼를 외측으로 밀어주어 베인이 상기 베인 스토퍼에 접촉되는 것을 방지하도록 형성된 내부링, 내부링과 상기 베인스토퍼 접촉시 마모를 줄이도록 형성된 베어링 및 베인 모터 회전시 베인의 마모가 감소되도록 상기 로터 외측에 일정 간격으로 형성된 베인 롤러를 포함하여 구성될 수 있다.

air compressor

Air compressor

본 발명은 공기압축기에 관한 것으로, 본 발명의 일 실시예에 따른 공기압축기는, 원통 형상을 가지며, 외부의 공기를 흡입하여 공기를 압축하여 외부로 배출하기 위해 흡입구 및 배출구가 외주면에 형성되고, 양단이 개방되어 내부에 중공을 갖는 압축기 본체; 상기 압축기 본체의 개방된 양단에 각각 설치되는 두 개의 메인 커버; 상기 압축기 본체의 내부에 상기 압축기 본체의 원통 형상의 중심축과 편심된 상태로 배치되고, 상기 두 개의 메인 커버에 설치되는 로터축을 기준으로 회전하며, 상기 로터축에서 외측으로 방향으로 복수 개의 로터홈이 형성된 로터; 상기 로터에 형성된 상기 복수 개의 로터홈에 각각 배치되며, 상기 복수 개의 로터홈에서 이동하도록 배치된 복수 개의 베인; 및 상기 로터에 설치되고, 상기 복수 개의 베인이 상기 복수 개의 로터홈에서 이동할 때, 상기 로터와 베인이 접촉하지 않도록 상기 로터에 설치된 복수 개의 로터 베어링을 포함할 수 있다. The present invention relates to an air compressor, and the air compressor according to an embodiment of the present invention has a cylindrical shape, and an inlet and an outlet are formed on the outer circumferential surface for sucking in external air, compressing the air and discharging it to the outside, Compressor body having both ends open and hollow therein; two main covers respectively installed at both open ends of the compressor body; A plurality of rotor grooves are disposed inside the compressor body in an eccentric state with the central axis of the cylindrical shape of the compressor body, rotate based on the rotor shafts installed on the two main covers, and outward from the rotor shafts. This formed rotor; a plurality of vanes respectively disposed in the plurality of rotor grooves formed in the rotor and arranged to move in the plurality of rotor grooves; and a plurality of rotor bearings installed on the rotor and installed on the rotor so that the rotor and the vanes do not contact when the plurality of vanes move in the plurality of rotor grooves.

vacuum pump screw rotor

본 발명은 로터 샤프트 상에 적어도 2 개의 헬리컬 디스플레이서 요소(10, 12)를 포함하는 진공 펌프 스크류 로터에 관한 것이다. 상기 적어도 2 개의 디스플레이서 요소(10, 12)는 상이한 피치를 갖지만, 각 디스플레이서 요소의 피치는 일정하다. 또한, 디스플레이서 요소 각각은 헬리컬 리세스를 가지며, 각각은 그것의 전체 길이에 걸쳐 동일성을 유지되는 윤곽을 갖는다. 이로써, 흡입측 디스플레이서 요소(10)는 비대칭 윤곽을 갖는 리세스를 가지며, 압력측 디스플레이서 요소(12)는 대칭 윤곽을 갖는 리세스를 갖는다. The present invention relates to a vacuum pump screw rotor comprising at least two helical displacer elements (10, 12) on a rotor shaft. The at least two displacer elements 10 , 12 have different pitches, but the pitch of each displacer element is constant. In addition, each of the displacer elements has a helical recess, each having a contour that maintains identity over its entire length. Thus, the suction-side displacer element 10 has a recess with an asymmetrical contour, and the pressure-side displacer element 12 has a recess with a symmetrical contour.

Pumping procedure in a vacuum pump system and vacuum pump system

Procedimiento de bombeo en un sistema de bombas de vacío (SP) que comprende: - una bomba de vacío primaria seca de tornillo (3) con un orificio de entrada de los gases (2) unido a un recinto de vacío (1) y un orificio de salida de los gases (4) que da a un conducto (5) antes de desembocar en la salida de los gases (8) del sistema de bombas de vacío (SP), - una válvula antirretorno (6) posicionada en el conducto (5) entre el orificio de salida de los gases (4) y la salida de los gases (8), y - un eyector (7) conectado en paralelo a la válvula antirretorno (6), - un compresor (10), estando el procedimiento caracterizado por que el compresor (10) es accionado por lo menos por uno de los árboles de la bomba primaria seca de tornillo (3); la bomba de vacío primaria seca de tornillo (3) es puesta en marcha con el fin de bombear los gases contenidos en el recinto de vacío (1) por el orificio de salida de los gases (4); de manera simultánea, el eyector (7) es alimentado con fluido motor por el compresor (10); y el eyector (7) continúa siendo alimentado con fluido motor durante todo el tiempo en que la bomba de vacío primaria seca de tornillo (3) es alimentada por una fuente de energía y evacúa el recinto de vacío (1). Pumping method in a vacuum pump system (SP) comprising: - a dry screw primary vacuum pump (3) with a gas inlet port (2) connected to a vacuum chamber (1) and a gas outlet orifice (4) leading to a conduit (5) before leading to the gas outlet (8) of the vacuum pump system (SP), - a non-return valve (6) positioned in the conduit (5) between the gas outlet orifice (4) and the gas outlet (8), and - an ejector (7) connected in parallel to the non-return valve (6), - a compressor (10), being the method characterized in that the compressor (10) is driven by at least one of the shafts of the dry primary screw pump (3); the dry screw primary vacuum pump (3) is started in order to pump the gases contained in the vacuum chamber (1) through the gas outlet port (4); ...

IMPROVED CLEANING VOLUMETRIC PUMP

L'invention porte sur une pompe (1) volumétrique comprenant : - une tubulure (2) présentant une première extrémité (21) solidaire d'une zone de transmission (3) et une deuxième extrémité (22) se terminant par un cylindre (24) solidaire d'une zone de refoulement (4), la tubulure (2) comprenant une ouverture d'aspiration (23) et la zone de refoulement comprenant une ouverture de refoulement (41), un arbre d'entrainement (5) avec un bout (53) située au niveau du cylindre (24), - un piston (6) plaqué contre le cylindre (24) par des moyens élastiques (7) de manière à bloquer un déplacement de fluide entre la tubulure (2) et la zone de refoulement (4), dans laquelle la pompe (1) comprend en outre des moyens (8, 9) pour écarter élastiquement le piston du cylindre (24) et le maintenir à une distance prédéterminé de celui-ci. Elle porte également sur un procédé de nettoyage de cette pompe 1. The invention relates to a volumetric pump (1) comprising: - a pipe (2) having a first end (21) integral with a transmission zone (3) and a second end (22) terminating in a cylinder (24); ) integral with a discharge zone (4), the pipe (2) comprising a suction opening (23) and the discharge zone comprising a discharge opening (41), a drive shaft (5) with a end (53) located at the cylinder (24), - a piston (6) pressed against the cylinder (24) by elastic means (7) so as to block a fluid displacement between the tubing (2) and the zone discharge device (4), wherein the pump (1) further comprises means (8, 9) for elastically separating the piston from the cylinder (24) and maintaining it at a predetermined distance therefrom. It also relates to a method of cleaning this pump 1.

Compressor and monitoring system

センサの検出値の異常の原因を特定することができる圧縮機及び監視システムを提供する。圧縮機（１）は、低圧段圧縮機本体（３）の吐出側かつインタークーラ（５）の上流側における圧縮空気の温度を検出する温度センサ（１１Ａ）と、低圧段圧縮機本体（３）の吐出側における圧縮空気の圧力を検出する圧力センサ（１２Ａ）と、高圧段圧縮機本体（６）の吸入側かつインタークーラ（５）の下流側における圧縮空気の温度を検出する温度センサ（１１Ｂ）と、高圧段圧縮機本体（６）の吐出側における圧縮空気の温度を検出する温度センサ（１１Ｃ）と、センサ（１１Ａ），（１１Ｂ），（１１Ｃ），（１２Ａ）の検出値に異常が生じているか否かを判定すると共に、異常の原因を推定する制御装置（８）と、制御装置（８）で推定された異常の原因を表示する表示装置（９）とを備える。 Provided are a compressor and a monitoring system capable of identifying the cause of an abnormality in the detected value of the sensor. The compressor (1) includes a temperature sensor (11A) that detects the temperature of compressed air on the discharge side of the low-pressure stage compressor body (3) and the upstream side of the intercooler (5), and the low-pressure stage compressor body (3). A pressure sensor (12A) that detects the pressure of the compressed air on the discharge side of the compressor, and a temperature sensor (11B) that detects the temperature of the compressed air on the suction side of the high-pressure stage compressor body (6) and on the downstream side of the intercooler (5). ), The temperature sensor (11C) that detects the temperature of the compressed air on the discharge side of the high-pressure compressor body (6), and the detection values of the sensors (11A), (11B), (11C), and (12A) are abnormal. It is provided with a control device (8) for determining whether or not the cause of the abnormality has occurred and estimating the cause of the abnormality, and a display device (9) for displaying the cause of the abnormality estimated by the control device (8).

Vane-type air motor

Screw-type compressors for commercial vehicles

본 발명은, 상용차용 스크루 압축기(10)에 관한 것으로, 적어도 하나의 하우징 커버(20b) 및 적어도 하나의 로터 하우징(20a)을 갖는 적어도 하나의 하우징(20), 적어도 하나의 배플 플레이트(100), 및 적어도 하나의 밀봉체(104)를 포함하고, 조립된 상태에서 상기 하우징(20) 내에 오일 저류부가 존재하며, 조립된 상태와 관련해서, 상기 밀봉체(104)는, 하우징 커버(20b)와 로터 하우징(20a) 사이에 배치되며 그리고 상기 오일 저류부 밖으로 돌출하고, 상기 밀봉체(104)는, 하우징 커버(20b)의 내부공간을 로터 하우징(20a)의 내부공간으로부터 적어도 부분적으로 서로 분리하며, 그리고 상기 배플 플레이트(100)는, 조립된 상태와 관련해서, 스크루 압축기(10)의 실질적으로 수평 배향 시 및 오일 저류부의 실질적으로 수평 배향 시, 오일 저류부의 상부 레벨에 대해 실질적으로 평행하게 정렬되는 것인, 상용차용 스크루 압축기(10)에 관한 것이다. The present invention relates to a screw compressor (10) for a commercial vehicle, at least one housing (20) having at least one housing cover (20b) and at least one rotor housing (20a), and at least one baffle plate (100) , and at least one seal (104), wherein in the assembled state an oil reservoir is present in the housing (20), and with respect to the assembled state, the seal (104) comprises: a housing cover (20b) and the rotor housing 20a and projecting out of the oil reservoir, wherein the seal 104 separates the inner space of the housing cover 20b from the inner space of the rotor housing 20a at least partially from each other. and the baffle plate 100, with respect to the assembled state, is substantially parallel to the upper level of the oil reservoir when the screw compressor 10 is in a substantially horizontal orientation and when the oil reservoir is in a substantially horizontal orientation. It relates to a screw compressor (10) for a commercial vehicle, which is aligned.

Transmission and compressor or vacuum pump provided with this transmission

Compresor o bomba de vacío proporcionada con un elemento de compresor, respectivamente elemento de bomba de vacío, y un motor para accionar el elemento de compresor, respectivamente elemento de bomba de vacío, por lo cual el compresor, respectivamente bomba de vacío, se proporciona con una transmisión, un eje de accionamiento del motor y un eje accionado del elemento de compresor, respectivamente elemento de bomba de vacío, por lo cual la transmisión comprende un alojamiento y al menos una rueda dentada accionada que se monta en el eje accionado y una rueda dentada de accionamiento que se monta en un eje de accionamiento, caracterizado porque el alojamiento se proporciona con una abertura de salida para retirar del alojamiento una mezcla de aceite y aire presente dentro del alojamiento por lo cual el aceite de la mezcla de aceite y aire se inyecta en el alojamiento y el aire de la mezcla de aceite y aire es un flujo de fuga que se origina desde el compresor o elemento de bomba de vacío, cuya abertura de salida se coloca en la extensión radial de una de las ruedas dentadas, por lo cual la abertura de salida se ubica en un plano de la una de las ruedas dentadas, por lo cual la abertura de salida se conecta a un tubo de descarga que se extiende en la extensión del viento de engranaje que se crea por la rotación de la una de las ruedas dentadas. Compressor or vacuum pump provided with a compressor element, respectively vacuum pump element, and a motor for driving the compressor element, respectively element of bomb of empty, so the compressor, respectively vacuum pump, supplied with a transmission, a motor drive shaft and a compressor element driven shaft, respectively vacuum pump element, whereby the transmission comprises a housing and at least one driven sprocket mounting on the driven shaft and one drive sprocket mounting on a drive shaft, characterized in that the housing is provided with an outlet opening for withdrawing from the housing an oil-air mixture present ...

Controller unit for controlling the speed of a motor driving an oil injected compressor and method of controlling said speed

The present invention is directed to a controller unit for controlling the speed of a motor (3) for driving an oil injected compressor (1), said controller unit (9) comprising: a data connection (12, 13, 14); a first module (17) configured to receive data through said data connection (12, 13, 14); whereby the controller unit (9) further comprises -a processing unit (18a) determining a minimum working speed (rpm min )of the motor (3) on the basis of the measured working pressure (pw), the ambient temperature (T ambient ) and a dew point temperature (T dew point ); and a comparator unit (19a) configured to compare the determined minimum working speed (rpmmin) with the retrieved working speed (rpm) of the motor (3) and, said processing unit (18a) further comprising a signal generating unit (20a) configured to send a signal to said motor for increasing the working speed (rpm) of the motor (3) to at least the determined minimum working speed (rpm min ), if said retrieved working speed (rpm) is lower than the determined minimum working speed (rpm min ).

Lubricated screw compressor

Air compressor with drain pipe arrangement

Provided is an air compressor which exhibits improved reliability by resolving problems relating to drainage discharge defects, and exhibits improved energy efficiency. The air compressor comprises: a compressor body which compresses air; a compressed air flow path through which the compressed air from the compressor body flows; a heat exchanger which is provided to the compressor flow path so as to cool the compressed air from the compressor body; and a drainage pipe ( 62 ) which branches from the compressed air flow path so as to connect to the exterior, and through which drainage condensed from the compressed air cooled in the heat exchanger flows. A strainer ( 65 ) which removes foreign matter contaminating the drainage is provided to the drainage pipe ( 62 ). An on-off valve ( 66 ) at the downstream side of the strainer ( 65 ), and a pressure sensor ( 41 ) at the upstream side thereof, said sensor detecting pressure inside the drainage pipe ( 62 ), are each provided so as to resolve drainage discharge defects.

Screw-type compressor for a utility vehicle

Die vorliegende Erfindung betrifft ein Schraubenkompressor (10) für ein Nutzfahrzeug mit wenigstens einem Gehäuse (20) mit wenigstens einem Gehäusedeckel (20b) und mit wenigstens einem Rotorengehäuse (20a), wenigstens einem Schwallblech (100) und mit wenigstens einer Dichtung (104), wobei im montierten Zustand im Gehäuse (20) ein Ölsumpf vorhanden ist, wobei bezogen auf den montierten Zustand die Dichtung (104) zwischen Gehiusedeckel (20b) und Rotorengehäuse (20a) angeordnet ist und aus dem Ölsumpf herausragt, wobei die Dichtung (104) das Innere des Gehäusedeckels (20b) vom Inneren des Rotorengehäuses (20a) zumindest teilweise voneinander trennt und wobei das Schwallblech (100) bezogen auf den montierten Zustand bei im wesentlicher horizontaler Ausrichtung des Schraubenkompressors (10) und bei im wesentlicher horizontaler Ausrichtung des ölsumpfes im Wesentlichen parallel zum oberen Level des ölsumpfes ausgerichtet ist.

Scroll-type fluid machine

Provided is a scroll-type fluid machine that prevents wear of the parts of the fluid machine and improves the reliability thereof by reducing the amount of dust that reaches a face seal. The present invention comprises a revolving scroll that includes an end plate and a lap part provided to the end plate, and that moves in a revolving manner; a fixed scroll that includes an end plate, a lap part provided to the end plate such that a compression chamber is formed between itself and the lap part of the revolving scroll, and a flange that opposes the end plate of the revolving scroll; and a face seal that is provided between the flange of the fixed scroll and the end plate of the revolving scroll, and that seals a space between the fixed scroll and the revolving scroll, with the scroll-type fluid machine further comprising a shield part that suppresses dust from reaching the face seal from the outside in the radial direction.

Compressed air energy storage generator

A CAES generator (1) includes a plurality of motors (13), a plurality of compressors (10), a pressure accumulation tank (11), an expander (12), a generator (15), an electric-motor inverter (14) that changes a rotation speed of each of the motors, a feed command receiver (31) that receives input power as a feed command value before feeding the input power, and a controller (30). The controller (30) includes a compressor number calculation unit (30a) that calculates a maximum number of motors (13) that are allowed to be driven at a rating based on the feed command value, and a compressor drive control unit (30b) that drives at the rating, the motors (13), the number of which is the maximum number calculated by the compressor number calculation unit (30a).

Screw compressor for commercial vehicles

Transmission and compressor or vacuum pump provided with such a transmission

A transmission between a drive shaft and a driven shaft comprises a housing and at least a driven gearwheel that is mounted on the driven shaft and a drive gearwheel that is mounted on a drive shaft. The housing comprises two separated chambers, i.e. a first chamber that is connected to the driven shaft and a second chamber which is separate from the first chamber, whereby the first chamber is connected via a channel with the second chamber, whereby around the drive gearwheel or driven gearwheel the second chamber is formed, whereby the form of the second chamber is such that when the gearwheel in question rotates, a gas flow is created around this gearwheel which causes a negative pressure in the channel by the venturi effect.

Scroll-type fluid machine

Provided is a scroll-type fluid machine that prevents wear of the parts of the fluid machine and improves the reliability thereof by reducing the amount of dust that reaches a face seal. The present invention comprises a revolving scroll that includes an end plate and a lap part provided to the end plate, and that moves in a revolving manner; a fixed scroll that includes an end plate, a lap part provided to the end plate such that a compression chamber is formed between itself and the lap part of the revolving scroll, and a flange that opposes the end plate of the revolving scroll; and a face seal that is provided between the flange of the fixed scroll and the end plate of the revolving scroll, and that seals a space between the fixed scroll and the revolving scroll, with the scroll-type fluid machine further comprising a shield part that suppresses dust from reaching the face seal from the outside in the radial direction.

Screw compressor for a commercial vehicle

本发明涉及一种用于商用车的螺杆式压缩机(10)，具有至少一个壳体(20)和至少一个密封件(104)，所述壳体具有至少一个壳体罩(20b)和至少一个转子壳体(20a)，其中，在装配状态下在所述壳体(20)中存在油池，其中，关于所述装配状态，所述密封件(104)布置在所述壳体罩(20b)与所述转子壳体(20a)之间并且从所述油池中伸出，其中，所述密封件(104)构成为密封板并且具有多个穿过开口(108、110)。

PUMPING METHOD IN A VACUUM PUMP SYSTEM AND VACUUM PUMP SYSTEM

MÉTODO DE BOMBEAMENTO EM UM SISTEMA DE BOMBAS DE VÁCUO E SISTEMA DE BOMBAS DE VÁCUO. A presente invenção refere-se a um método de bombeamento em um sistema de bombeamento (SP) que compreende uma bomba de vácuo a seco principal tipo parafuso (3) com um orifício de entrada de gás (2) conectado a uma câmara de vácuo (1) e um orifício de saída de gás (4) que conduz para um conduto (5) antes de sair na saída de gás (8) do sistema de bombeamento (SP), uma válvula de não retorno (6) posicionada no conduto (5) entre o orifício de saída de gás (4) e a saída de gás (8), e um ejetor (7) conectado em paralelo à válvula de não retorno (6). De acordo com este método, a bomba de vácuo a seco principal tipo parafuso (3) é colocada em operação a fim de bombear os gases contidos na câmara de vácuo (1) através do orifício de saída de gás (4); de maneira simultânea, o ejetor (7) é alimentado com fluido de trabalho, e o ejetor (7) continua a ser alimentado com fluido de trabalho durante todo o tempo em que a bomba de vácuo a seco principal tipo parafuso (3) bombeia os gases contidos na câmara de vácuo (1) e/ou durante todo o tempo em que a bomba de vácuo a seco principal tipo parafuso (3) mantém uma pressão definida na câmara de vácuo (1). A presente invenção também se refere a um sistema de bombeamento (SP) capaz de ser usado para implementar este método. PUMPING METHOD IN A VACUUM PUMP SYSTEM AND VACUUM PUMP SYSTEM. The present invention relates to a method of pumping in a pumping system (SP) comprising a screw-type main dry vacuum pump (3) with a gas inlet port (2) connected to a vacuum chamber ( 1) and a gas outlet orifice (4) leading to a conduit (5) before exiting at the gas outlet (8) of the pumping system (SP), a non-return valve (6) positioned in the conduit ( 5) between the gas outlet orifice (4) and the gas outlet (8), and an ejector (7) connected in parallel to the non-return valve (6). According to this method, the screw-type main dry vacuum pump (3) is put into operation ...

Screw compressor system for a utility vehicle

The invention relates to a screw compressor system (100) for a utility vehicle, comprising at least one screw compressor (10), at least one screw compressor drive and at least one control and/or regulation unit (110). Said control and/or regulation unit (110) is connected to the screw compressor drive and is designed and configured such that it monitors, when the screw compressor (10) is in operation, the ratio of idle time and switched on time of the screw compressor drive and this ratio controls and regulates to a predetermined range.

Lubrication system for a compressor

A lubrication system is provided for supplying lubricant to an air compressor. The air compressor is driven by a drive system. The lubrication system includes a reservoir configured to support lubricant and configured to receive pressurized air from the air compressor, the separator reservoir configured to separate lubricant from the air received from the air compressor; and a motor operably coupled to the drive system and configured to receive pressurized lubricant. The motor is configured to transmit power to the drive system in at least one operating condition.

Method for pumping in a system of vacuum pumps and system of vacuum pumps

Screw compressors for commercial vehicles

본 발명은 상용차용 스크류 압축기(10)에 관한 것으로, 적어도 하나의 하우징(20) 및 하우징(20)에 배치된 적어도 하나의 공기 오일 분리기 홀더(40)를 포함하고, 상기 공기 오일 분리기 홀더(40)는 비 부식성 재료로 제조되고, 릴리프 밸브(80)가 제공되며, 상기 릴리프 밸브는 공기 오일 분리기 홀더(40) 내에 배치되고, 상기 릴리프 밸브에 의해 스크류 압축기(10)의 내부는 압력 경감될 수 있다.

Watertight chamber type electric vacuum pump and vacuum boosting brake system

An electric vacuum pump applied to a vacuum boosting brake system is provided. The pump has a water containing capacity that is greater than a backflow water capacity of an internal space defined in a pump housing which forms vacuum pressure. The pump includes a watertight chamber that is coupled to an exhaust port of a pump housing.

Hydraulic Driven Air Compressor

Compresseur d’air à entraînement hydraulique (1) destiné à être monté sur un véhicule motorisé équipé d’un système hydraulique, tel qu’un tracteur, un camion ou porteur routier ou encore une pelleteuse. Selon l’invention, le compresseur d’air à entraînement hydraulique (1) comprend Un moteur oléo hydraulique (2) ;Un moyen de liaison hydraulique de sortie d’huile (3) comprenant une première extrémité (31) connectée au moteur oléo hydraulique (2) ;Un moyen de liaison hydraulique d’entrée d’huile (4) comprenant une première extrémité (41) connectée au moteur oléo hydraulique (2) ; le moyen de liaison hydraulique de sortie d’huile (3) et le moyen de liaison hydraulique d’entrée d’huile (4) comprennent chacun une deuxième extrémité (32, 42) destinée à être connectée au système hydraulique du véhicule motorisé pour l’entraînement du moteur oléo hydraulique (2) du compresseur (1) par l’intermédiaire d’une énergie oléo hydraulique fournie par ledit système hydraulique du véhicule. Figure pour l’abrégé : Fig. 1 Hydraulically driven air compressor (1) intended to be mounted on a motorized vehicle equipped with a hydraulic system, such as a tractor, a truck or road carrier or even an excavator. According to the invention, the hydraulically driven air compressor (1) comprises an oleo-hydraulic motor (2);an oil outlet hydraulic connection means (3) comprising a first end (31) connected to the oleo-hydraulic motor (2);An oil inlet hydraulic connection means (4) comprising a first end (41) connected to the hydraulic oil motor (2); the oil outlet hydraulic connection means (3) and the oil inlet hydraulic connection means (4) each comprise a second end (32, 42) intended to be connected to the hydraulic system of the motorized vehicle for the drive of the oleo-hydraulic motor (2) of the compressor (1) by means of oleo-hydraulic energy supplied by said hydraulic system of the vehicle. Figure for abstract: Fig. 1

Transmission and compressor or vacuum pump having the transmission

구동 샤프트(13)와 종동 샤프트(9) 사이에 있는 트랜스미션(4)으로서, 하우징(10)과, 적어도 종동 샤프트(9)에 장착되는 종동 기어휠(11) 및 구동 샤프트(13)에 장착되는 구동 기어휠(14)을 포함하는 것인 트랜스미션에 있어서, 하우징에는 유출 개구(20)가 마련되고, 유출 개구는 기어휠들(11, 14) 중 어느 하나의 반경방향 연장부에 배치되는 것을 특징으로 하는 트랜스미션이 제공된다. A transmission (4) between a drive shaft (13) and a driven shaft (9), comprising a housing (10) and at least a driven gearwheel (11) mounted on the driven shaft (9) and mounted on the drive shaft (13) Transmission comprising a drive gearwheel (14), characterized in that the housing is provided with an outlet opening (20), the outlet opening being arranged in a radial extension of any one of the gearwheels (11, 14) A transmission is provided.

Transmission and compressor or vacuum pump provided with such transmission

Overbrenging tussen aandrijfas (13) en een aangedreven as (9), welke overbrenging (4) een behuizing (10) omvat en minstens een aangedreven tandwiel (11) dat is aangebracht op de aangedreven as (9) en een aandrijftandwiel (14) dat is aangebracht op een aandrijfas (13), daardoor gekenmerkt dat de behuizing is voorzien van een afvoeropening (20), welke afvoeropening (20) in het radiaal verlengde van één van de tandwielen (11, 14) geplaatst is. Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least one driven gear (11) mounted on the driven shaft (9) and a drive gear (14) that is mounted on a drive shaft (13), characterized in that the housing is provided with a discharge opening (20), which discharge opening (20) is placed in the radial extension of one of the gear wheels (11, 14).

Screw compressors for commercial vehicles

본 발명은 상용차용 스크류 압축기(10)에 관한 것으로, 공기 필터(26), 유입 포트(24) 및 스크류 압축기(10)의 스크류에 공기를 공급하기 위한 공기 공급 채널(32)을 포함하고, 상기 유입 포트(24)는 공기 필터(26)와 공기 공급 채널(32) 사이에 배치되고, 포켓 그루우브(100)를 포함하며, 상기 그루우브에 의해 오일이 보유될 수 있다.

Positive displacement pump for improved cleaning

Screw compressors for commercial vehicles

본 발명은, 상용차용 스크루 압축기(10)에 관한 것으로, 상기 스크루 압축기(10)의 스크루들(16, 18)이 그 내부에 배치되는 로터 하우징(20b) 및 하우징 커버(20a)를 포함하고, 상기 하우징 커버(20a)의 출구 측에, 상승관(36)을 구비하는 공기 배출관(34)이 배치되며, 상기 공기 배출관(34)은, 적어도 하나의 오일 분리 수단을 구비하는 것인, 상용차용 스크루 압축기(10)에 관한 것이다.

Screw compressor system for a commercial vehicle

本发明涉及一种用于商用车的螺杆式压缩机系统(100)，包括至少一个螺杆式压缩机(10)和至少一个用于开环和/或闭环驱动控制螺杆式压缩机(10)的开环和/或闭环控制单元(110)，其中，所述开环和/或闭环控制单元(110)被这样地设计，使得所述螺杆式压缩机(10)在停机之后被阻止在预定的时间间隔内重新启动。

Screw compressor with oil injection at multiple volume ratios

The present disclosure is directed to a screw compressor system (10) having a compressor housing (110) with a pair of screw rotors (112, 114) rotatably supported within a compression chamber (118). Lubricant is injected into a compression chamber at a first volume ratio and at a second volume ratio greater than the first volume ratio to increase the sealing and lubrication between the screw rotors and rotor bores (119) in the compressor housing as well as to increase heat transfer from a compressed working fluid in the compression chamber.

Transmission and compressor or vacuum pump provided with such a transmission

驱动轴(13)与从动轴(9)之间的传动装置，所述传动装置(4)包括外壳(10)并且至少包括安装在所述从动轴(9)上的从动齿轮(11)和安装在驱动轴(13)上的驱动齿轮(14)，其特征在于所述外壳设置有出口开口(20)，所述出口开口(20)被置于所述齿轮(11、14)中的一个齿轮的径向延伸部中。

Method for pumping in a system of vacuum pumps and system of vacuum pumps

Slide valve, slide valve adjustment mechanism and screw compressor

The present disclosure is related to a slide valve, a slide valve adjustment mechanism and a screw compressor. The slide valve includes a static slide valve and a moving slide valve, wherein the static slide valve is fixedly installed in a slide valve cavity and provided with an axially-penetrating valve hole; a plurality of bypass holes communicating with the valve hole (110) are formed in the sidewall of the static slide valve, and an exhaust port is formed in the sidewall of one end of the static slide valve. The slide valve may avoid scraping between the slide valve and a screw rotor and the slide valve cavity. Gaps between the slide valve and parts which cooperate with same are reduced, so that the leakage is reduced while the energy efficiency of the compressor is increased.

Screw compressor for a utility vehicle

Transmission and compressor or vacuum pump provided with such a transmission

Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing (10) comprises two separated chambers (20, 22), i.e. a first-chamber (20') that is connected to the driven shaft (9) and a second chamber (22) which is separate from the first chamber (20), whereby the first chamber (20) is connected via a channel (21) with the second chamber (22), whereby around the drive gearwheel (14) or driven gearwheel (11) the second chamber (22) is formed, whereby the form of the second chamber (22) is such that when the gearwheel in question (11, 14) rotates, a gas flow is created around this gearwheel (11, 14) which causes a negative pressure in the channel (21) by the venturi effect.

Screw compressor for a utility vehicle

The invention relates to a screw compressor (10 ) for a utility vehicle comprising an air filter (26) with an intake port (24) and an air supply channel (32) for supplying air to the screws of the screw compressor (10), the intake port (24) is arranged between the air filter (26) and air supply channel (32) and comprises a pocket groove (100) which can maintain the oil.

Screw compressor for a utility vehicle

Die vorliegende Aneldung betrifft ein Schraubenkompressorsystem (100) für ein Nutzfahrzeug mit wenigstens einem Schraubenkompressor (10) und mit wenigstens einer Steuerungsund/oder Regelungseinheit (110) zur Antriebssteuerung und/oder regelung des Schraubenkompressors (10), wobei die Steuerungsund/oder Regelungseinheit (110) derart beschaffen ist, dass der Schraubenkompressor (10) nach einem Stopp an einem Wiederanlaufen für eine vorbestimmte Zeitspanne gehindert wird.

Screw compressor system for a utility vehicle

The invention relates to a screw compressor system (100) for a utility vehicle, comprising at least one screw compressor (10), at least one screw compressor drive and at least one control and/or regulation unit (110). Said control and/or regulation unit (110) is connected to the screw compressor drive and is designed and configured such that it monitors, when the screw compressor (10) is in operation, the ratio of idle time and switched on time of the screw compressor drive and this ratio controls and regulates to a predetermined range.

Lubrication system for a compressor

A lubrication system is provided for supplying lubricant to an air compressor. The air compressor is driven by a drive system. The lubrication system includes a reservoir configured to support lubricant and configured to receive pressurized air from the air compressor, the separator reservoir configured to separate lubricant from the air received from the air compressor; and a motor operably coupled to the drive system and configured to receive pressurized lubricant. The motor is configured to transmit power to the drive system in at least one operating condition.

Air compressor

本发明提供一种空气压缩机，能够解决排出水排出不良的问题，实现可靠性的提高，并且实现节能性的提高。该空气压缩机包括：压缩空气的压缩机主体；用于流通来自该压缩机主体的压缩空气的压缩空气流通路径；设置在该压缩空气流通路径上的、冷却来自压缩机主体的压缩空气的热交换器；和排水配管(62)，其从压缩空气流通路径分支而与外部连通，用于流通从用热交换器冷却后的压缩空气中冷凝而得的排出水，该空气压缩机在排水配管(62)设置有去除混入排出水的异物的过滤器(65)。还设置有：位于该过滤器(65)的下游侧的开关阀(66)；和位于过滤器(65)的上游侧、检测排水配管(62)内的压力的压力传感器(41)。由此解决排出水的排出不良的问题。

安装到曲轴的压缩机

一种系统，其包括发动机组和能够围绕轴线A旋转的曲轴，以及带有转子的压缩机，转子被同轴地安装到曲轴，使得曲轴驱动转子。该系统可以是用于车辆的发动机的一部分，并且压缩机可以是能够为发动机系统供应压缩空气的空气压缩机。

Refueling screw compressor

In the operation of a refueling screw compressor, when load conditions constantly fluctuate or when the rotation speed control of a cooling fan is performed, it is difficult to accurately perform a diagnosis predicted from measurement results of devices inside the compressor, so a diagnostic mode stably creates an operating condition under which an accurate diagnosis can be performed. In the refueling screw compressor, a discharge electric valve is provided downstream of an air cooler, and an air release electric valve and a dedicated orifice are provided to connect an oil separator inner space and a suction throttle valve space. In the diagnostic mode, the discharge electric valve is closed, the air release electric valve is opened, and while an upstream pressure of the oil separator is maintained at a specified pressure, a rotation speed control operation of a compressor body and the diagnosis of internal devices are performed.

Engine driven welder

A welding machine includes a welding power supply that generates a welding waveform during a welding operation, an internal combustion engine, and a generator that is operatively connected to the welding power supply to supply electrical energy to the welding power supply. The generator includes a rotor shaft driven by the internal combustion engine, and an end casting located at an end of the generator opposite the internal combustion engine. A rotary screw compressor is mounted to the end casting of the generator. A clutch mechanism couples the rotor shaft to the rotary screw compressor to selectively drive the rotary screw compressor by the rotor shaft.

Method for operating a vacuum pump and vacuum pump

Method for operating a vacuum pump wherein first the humidity in the vacuum pump and/or humidity of an environment of the vacuum pump is determined and if the determined humidity is above a pre-set threshold generating a control signal to control condensation reduction means for reduction of humidity within the vacuum pump and/or generating a warn signal.

Heat recovery device

用于商用车的螺旋式压缩机

本发明涉及一种用于商用车的螺旋式压缩机(10)，该螺旋式压缩机具有壳体(20)，其中，壳体(20)用油(22)填充，该螺旋式压缩机具有至少一对压缩机螺杆(16、18)，所述压缩机螺杆安装在壳体(20)中并且用于压缩输送给螺旋式压缩机(10)的空气，其中，在装配状态下，热交换器(74)直接安置并装配到壳体(20)上，借助于该热交换器能够调节包含在壳体(20)中的油(22)的温度。

Scroll compressor for generating oil-free compressed air

A scroll compressor for generating oil-free compressed air, in particular for a compressed air brake system of a lorry, with a drive which is arranged in a housing and is connected to an orbiting displacer scroll which has a displacer scroll bottom and a displacer scroll. The displacer scroll wall engages into a stationary mating scroll, with the result that at least one variable compression chamber is formed between the displacer scroll and the mating scroll. A seal element is provided between the displacer scroll and the housing wherein the seal element is fastened in the displacer scroll bottom and seals against a sliding plate which is connected fixedly to the housing. A compressed air brake system with a scroll compressor of this type.

Compresseur d’air à entraînement hydraulique

Compresseur d’air à entraînement hydraulique (1) destiné à être monté sur un véhicule motorisé équipé d’un système hydraulique, tel qu’un tracteur, un camion ou porteur routier ou encore une pelleteuse. Selon l’invention, le compresseur d’air à entraînement hydraulique (1) comprend Un moteur oléo hydraulique (2) ;Un moyen de liaison hydraulique de sortie d’huile (3) comprenant une première extrémité (31) connectée au moteur oléo hydraulique (2) ;Un moyen de liaison hydraulique d’entrée d’huile (4) comprenant une première extrémité (41) connectée au moteur oléo hydraulique (2) ; le moyen de liaison hydraulique de sortie d’huile (3) et le moyen de liaison hydraulique d’entrée d’huile (4) comprennent chacun une deuxième extrémité (32, 42) destinée à être connectée au système hydraulique du véhicule motorisé pour l’entraînement du moteur oléo hydraulique (2) du compresseur (1) par l’intermédiaire d’une énergie oléo hydraulique fournie par ledit système hydraulique du véhicule. Figure pour l’abrégé : Fig. 1

热回收装置

本发明提供热回收装置，其中，预热用热交换器使辅助冷却用热交换器的出口侧的冷却水与通过了预热用旁通路径的供给水相互进行热交换。

真空ポンプを運転する方法及び真空ポンプ

真空ポンプを運転する方法は、最初に、真空ポンプ内の湿度及び／又は真空ポンプの環境の湿度を決定し、決定された湿度が予め設定された閾値を超える場合、真空ポンプ内の湿度を低減するために凝縮低減手段を制御するための制御信号を発生させる及び／又は警告信号を発生させる。【選択図】図１

Screw compressor with oil injection at multiple volume ratios

The present disclosure is directed to a screw compressor system having a compressor housing with a pair of screw rotors rotatably supported within a compression chamber. Lubricant is injected into a compression chamber at a first volume ratio and at a second volume ratio greater than the first volume ratio to increase the sealing and lubrication between the screw rotors and rotor bores in the compressor housing as well as to increase heat transfer from a compressed working fluid in the compression chamber.

압축기의 시동 시스템 및 시동 방법

본 발명은 압축기의 시동 시스템 및 압축기의 시동 방법에 관한 것으로서, 보다 상세하게는 압축기유닛의 초기 작동 및 무부하 운전을 위하여 클러치수단과 시동 시스템을 부가하여 무부하 운전시 전력소모를 최소화하며, 초기 기동시 또는 재가동시 순간적으로 전기를 이용하는 구동수단에 공급되는 과전류를 방지해 장치 안전 및 블랙아웃을 방지할 수 있도록 한 것이다. 특히, 본 발명은 공압을 이용한 스타트모터의 작동으로 플라이휠을 저속 회전시킨 상태에서 구동수단을 이용해 고속 회전시켜 초기 회전을 부드럽게 진행시킬 수 있도록 함과 아울러 상기 구동수단의 기동전류 감소를 통한 전기효율을 향상시킬 수 있도록 한 압축기유닛의 클러치 및 시동 시스템 및 압축기유닛의 운전 및 시동 방법에 관한 것이다. 또, 본 발명은 압축기모듈과 구동수단 사이에 구비된 제1커플러수단을 스타트모터로 저속회전 시킨 상태에서 구동수단으로 고속회전시켜, 상기 구동수단에서 요구되는 기동전력을 감소시켜 전기효율을 향상시킬 수 있는 장점이 있다. 또, 본 발명은 상기 구동수단에 요구되는 기동전력의 감소에 따라 작업장의 블랙아웃현상을 방지하여 작업환경의 개선 및 작업 안전성을 증대시킬 수 있는 장점이 있다. 또한, 본 발명은 저장탱크에 압축공기가 채워진 상태에서도 구동수단 도는 스타트모터를 이용해 제1클러치수단의 플라이휠이 회전되도록 구성하여 무부하 운전시의 전력 소모를 최소화하고 구동수단의 재사용시에도 기동전력 감소에 따른 전기효율을 향상시키는 장점도 있다.

Electric compressor system for vehicle

An electric compressor system for a vehicle includes: an electric motor having a rotor and a motor shaft which selectively rotate in a first rotation direction or a second rotation direction; an external rotation shaft extending from the motor shaft of the electric motor; a first compressor unit connected to the external rotation shaft and selectively compressing a first fluid according to the rotation direction of the external rotation shaft; and a second compressor unit connected to the external rotation shaft and selectively compressing a second fluid according to the rotation direction of the external rotation shaft, wherein the first compressor unit and the second compressor unit are sequentially arranged on the external rotation shaft, the first compressor unit is fluidly connected to a first fluid system, and the second compressor unit is fluidly connected to a second fluid system.

Transmission and compressor or vacuum pump provided with such a transmission

Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing is provided with an outlet opening (20), which outlet opening (20) is placed in the radial extension of one of the gearwheels (11, 14).

Transmission and compressor or vacuum pump provided with such a transmission

Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a drive shaft (13), characterised in that the housing (10) comprises two separated chambers (20, 22), i.e. a first-chamber (20') that is connected to the driven shaft (9) and a second chamber (22) which is separate from the first chamber (20), whereby the first chamber (20) is connected via a channel (21) with the second chamber (22), whereby around the drive gearwheel (14) or driven gearwheel (11) the second chamber (22) is formed, whereby the form of the second chamber (22) is such that when the gearwheel in question (11, 14) rotates, a gas flow is created around this gearwheel (11, 14) which causes a negative pressure in the channel (21) by the venturi effect.

Slide valve, slide valve adjustment mechanism and screw compressor

螺旋式膨脹機

一種螺旋式膨脹機，包括一主體、至少一膨脹螺桿及一調整件。主體具有一高壓區域、一膨脹區域及一低壓區域。膨脹螺桿配置於膨脹區域且具有一進氣端及一排氣端，其中進氣端連接高壓區域，排氣端連接低壓區域。調整件覆蓋膨脹螺桿，且適於相對於膨脹螺桿移動而改變進氣端的開口面積或排氣端的開口面積，以調整膨脹螺桿在排氣端所排出氣體的壓力。

Screw Compressor for a Utility Vehicle

A screw compressor for a utility vehicle has at least one female screw, at least one male screw that meshes with the female screw, and at least one screw compressor drive which drives the female screw.