ФИЛЬТРОВЫЙ ГЛУШИТЕЛЬ ШУМА

Сущность изобретения: у фильтрового глушителя шума, устанавливаемого на стороне всасывания компрессора, с множеством кольцеобразных демпфирующих элементов 2 и 2а, состоящих из размещенных друг за другом по периметру сегментов, базовое тело выполнено в виде литого моноблока, депфирующие сегменты зафиксированы на несущей части посредством лучеобразно отлитых ребер с пазами, а рама фильтра состоит из перфорированного листа или множества съемных половин перфорированного листа, связанных друг с другом с помощью соединительных элементов. Преимущество изобретения состоит, кроме того, в упрощенном монтаже и в уменьшении числа узлов, а также в снижении расходов на изготовление при улучшенном эффекте глушения шума даже при высокочастотном возбуждении. 8 з.п.ф-лы, 4 ил.

БЛОК НАСОСНЫЙ ДЛЯ ПРОМЫВКИ ПРОТОЧНОЙ ЧАСТИ ЦЕНТРОБЕЖНОГО КОМПРЕССОРА

Блок насосный для промывки проточной части центробежного компрессора предназначен для промывки проточной части во время работы компрессора. Блок насосный выполнен в едином корпусе на раме с колесами и поворотным устройством и содержит: бак промывочной жидкости, снабженный указателем уровня, электрическим нагревателем, средством измерений температуры, трубопроводом заправки, заливочной горловиной, ревизионным люком; трубопровод подачи промывочной жидкости, связанный с баком; по меньшей мере один насос; клапаны; по меньшей мере один дренажный трубопровод; пульт управления, корпус снабжен шторными дверями, трубопровод заправки и трубопровод подачи снабжены быстроразъемным соединением, при этом бак дополнительно снабжен реле герконовыми верхнего и нижнего уровней жидкости, терморегулятором (термостатом); устройство снабжено средством измерений давления (манометр) и реле давления, установленным перед насосом; в качестве поворотного устройства применено поворотное гидравлическое устройство с ...

МНОГОСТУПЕНЧАТЫЙ САМОВСАСЫВАЮЩИЙ ЦЕНТРОБЕЖНЫЙ НАСОСНЫЙ АГРЕГАТ

Improved vacuum pump

Pumps

DUST COLLECTING MECHANISM

Gas compression system

Fluid processing system, heat exchange sub-system, and an associated method thereof

A heat exchange sub-system and fluid processing system is provided containing an inlet header; an outlet header; a plurality of heat exchange tubes in fluid communication with the inlet header and outlet header. The heat exchange tubes are configured to exchange heat with a cold ambient environment. A liquid-gas separator is coupled to the outlet header. The heat exchange sub-system is configured to receive a hot gaseous fluid comprising condensable and non-condensable components, and to condense at least a portion of the condensable components. The system is configured such that the cold ambient subsea environment serves as a heat sink.

GARBAGE DISPOSER

A garbage disposer includes a casing, a garbage cup(103), a stirrer, an electrical heater(110), a deodorizing box(111) and a blower(113). An impeller(3) is arranged in the chamber surrounded by the mounting board(1) of the blower and the blower casing(2). An electromotor(4) is arranged at the other side of the mounting board. The output shaft of the electromotor drives the impeller(3) through the mounting board(1). The inlet(96) of the blower is provided on the blower casing in the axis direction of the impeller. The outlet(97) of the blower is provided on the circumference of the blower casing. The mounting board(1) includes a board body(81) and a mounding portion(82) formed integrally. The board body(81) and the mounding portion(82) are perpendicular to each other. Several recesses(85) are formed by punch on the outside of the right angle(83) formed by the board body(81) and the mounding portion(82). Then the stability of the blower can be improved and the vibration and the noises can ...

LOW IMPEDANCE FAN SAFETY GUARD

A low impedance safety guard for an air circulating fan with rotating fan blades which prevents a human hand, finger or foot from getting into the path of the rotating blades while yet achieving the unrestrictive air stream benefits of a relatively open guard which is generally considered unsafe. The guard comprises rear and front parallel and opposing substantially open, air stream unobstructive fan blade guard faces which will permit the hand, finger or foot to pass partially therethrough. A substantially closed circumferential wall is provided which connects the rear and front faces to enclose the fan blades approximately equal distant from the respective faces to prohibit the hand, figure or foot from reaching the blade path after passing partially through either face should a person unfortunately attempt to do so.

OIL FILTER FOR DOWNHOLE MOTOR

An oil filter for use in an electric motor forming part of a downhole device such as an ESP, comprising a two-part filter including a first part formed from a porous material which acts to filter solid particulate material from the motor oil, and a second part comprising a sorbent for removing aqueous liquids from the motor oil.

INJECTION DEVICE FOR THE ON-LINE WET CLEANING OF COMPRESSORS

In an injection device for the ON-LINE wet cleaning of compressors, the liquid cleaning agent is injected via a nozzle into the flow passage upstream of the compressor. The nozzle is a molecular atomizer which is mounted in the casing wall of the compressor in such a way that it can be adjusted in a three-dimensional manner in a ball and-socket joint and can be maintained, adjusted or even exchanged during the operation of the machine. (Fig. 2) ...

Zentrifugalpumpe.

Kreiselverdichteranlage mit einer Abgasturbine, in welcher das vom Verdichter geförderte Mittel nach Durchlauf eines chemischen Prozesses sich wieder entspannt.

Zentrifugalventilator mit als Staubabscheider ausgebildetem Gehäuse.

Zentrifugal-Ventilator zur Förderung feuchtigkeitsschwangerer Luft.

Zentrifugalpumpe zum Befördern unreiner, dicker Flüssigkeiten.

Abscheidevorrichtung an gasansaugenden Maschinen.

Exhaustor.

Mit einer Einrichtung zum Reinigen der Laufradschaufeln mittelst mindestens eines Druckmittelstrahls versehene Kreiselmaschine.

INJECTION MECHANISM FOR THE WET CLEANING OF A COMPRESSOR.

GAS COMPRESSION SYSTEM

GAS COMPRESSION SYSTEM

DRAIN PUMP

Vanne de décharge de compresseur de turboréacteur

L'invention concerne un compresseur de turboréacteur d'aviation à double flux, ledit compresseur comportant, de façon connue, des vannes de décharge 7 placées dans des logements de la paroi externe pour décharger une partie du débit d'air Conformément à l'invention lesdites vannes 7 comportent des moyens 14a qui restent plaqués contre la paroi de la veine tant que la vanne n'a pas atteint un angle d'ouverture déterminé alpha et qui sont aptes, pour un angle d'ouverture beta supérieur, à faire saillie dans la veine 2 pour y recueillir l'eau en excès entrant dans le compresseur.

Air blower

An air cleaner (110) is provided with a plurality of sirocco fans (31) disposed apart from each other and a support case (12) that integrally supports the plurality of sirocco fans (31). Each of the sirocco fans (31) has: a plurality of blades that are disposed apart from each other in the circumferential direction; a motor that rotates the blades; and a casing which has formed therein a suction port (32) through which air is sucked in from the axial direction of a rotation center axis (101) of the blades associated with the rotation of the blades, and a blowout port (33) through which air is blown out in a radial direction of the rotation center axis (101) of the blades. This configuration provides an air blower that satisfies a variety of design requirements with a simple structure.

CENTRIFUGAL COMPRESSOR

A centrifugal compressor includes: a main casing having an inlet and an outlet; at least one impeller disposed rotatably inside the main casing; an intake casing connected to the inlet, the intake casing having an intake port on a position spaced away from the inlet in a direction of an axis; a cleaning-liquid injection device capable of being disposed on a side of the intake port inside the intake casing; and a cleaning-liquid supply device for supplying a cleaning liquid to the cleaning-liquid injection device. The cleaning-liquid injection device includes: a pipe capable of being disposed so as to extend along a plane which intersects with the direction of the axis, inside the intake casing; and a plurality of injection holes disposed on the pipe.

Fan blade for agricultural combine cooling system

A passive fan blade for a cooling package for use in an agricultural combine comprises a generally rectangular member having an axis, a central mounting area and two opposed legs, each leg having a middle region, a leading region and a trailing region, the leading and trailing regions being angled toward the downstream direction of intended air flow. The trailing regions increase in width in proportion to distance from the axis, while the leading regions decrease in width in proportion to distance from the axis, whereby the member is impelled to rotate in the direction of the leading edges when air flows past the member. In an assembly, the passive fan blade is mounted via a bearing assembly and mounting hardware onto a hub connected to a bracket. In a cooling package, the passive fan blade assembly is mounted on a frame in close proximity to a face of a radiator or a charge air cooler to provide turbulence thereby minimizing accumulation of chaff, dust and debris in order to maintain cooling ...

Pump with heating device

Vorgeschlagen wird eine Pumpe (10, 110), insbesondere für Geschirrspülmaschinen, mit einem Gehäuse aus einem Gehäuseboden (28, 128), einem Gehäusedeckel (16, 116) und einer dazwischen angeordneten Heizeinrichtung (30, 130, 36, 136) zum Erwärmen einer Spülflüssigkeit, die eine ringförmige Seitenwand (30, 130) des Gehäuses bildet, mit einem in dem Gehäuse angeordneten Laufrad (40, 140), mit einem axial zur Drehachse des Laufrades (40, 140) im Gehäusedeckel (16, 116) angeordneten Saugstutzen (18, 118), und mit einem Druckstutzen (20, 120), wobei der Druckstutzen (20, 120) im Gehäusedeckel (16, 116) angeordnet ist, wobei zwischen dem Laufrad (40) und dem Druckstutzen (20) eine Leitvorrichtung (52) zur Strömungsumlenkung angeordnet ist.

Method and device to prevent deposits in a turbomolecular pump having magnetic or gas bearings

ВЕНТИЛЯТОР ЭЖЕКТОРНОГО ТИПА С ЭЛЕКТРОСТАТИЧЕСКИМ ФИЛЬТРОМ

Вентилятор, содержащий основание и насадок, установленный на основании. В основании установлена крыльчатка и двигатель для привода крыльчатки с целью создания воздушного потока. Насадок содержит вход для воздуха, выход для воздуха и кольцевой корпус, образующий канал насадка, через который осуществляется засасывание воздуха снаружи вентилятора воздухом, выходящим из выхода для воздуха. В канале насадка установлен электростатический фильтр для очистки воздуха, затягиваемого через канал насадка. 20 з.п. ф-лы, 16 ил.

МНОГОСТУПЕНЧАТЫЙ САМОВСАСЫВАЮЩИЙ ЦЕНТРОБЕЖНЫЙ НАСОСНЫЙ АГРЕГАТ

Многоступенчатый самовсасывающий центробежный насосный агрегат с по меньшей мере двумя следующими друг за другом в главном направлении (32) движения потока насосными ступенями (4) и расположенным параллельно по меньшей мере одной насосной ступени (4) каналом (13) обратного потока. Канал (13) обратного потока в главном направлении (32) движения потока оканчивается позади направляющего аппарата (10а) первой или следующей насосной ступени (4). Изобретение направлено на усовершенствование процесса самовсасывания насоса путем сокращения времени его осуществления и исключения завихрения возвращаемой жидкости. 15 з.п. ф-лы, 7 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ ПРЕДОТВРАЩЕНИЯ ПРОХОДА ПОСТОРОННИХ ПРЕДМЕТОВ ВО ВНУТРЕННИЙ ТРАКТ ВЕНТИЛЯТОРНОГО ГАЗОТУРБИННОГО ДВИГАТЕЛЯ

Способ и устройство для предотвращения прохода посторонних предметов во внутренний тракт вентиляторного газотурбинного двигателя с целью предохранения деталей газовоздушного тракта от повреждений, основанные на использовании инерционной сепарации тяжелых частиц во вращающихся межлопаточных каналах вентиляторной ступени и перемещении посторонних предметов из центральной привтулочной зоны вентилятора в периферийную зону, в наружный тракт двигателя. Для реализации способа и устройства в вентиляторной ступени устанавливают барьерные отражающие стойки, обеспечивающие эффективную сепарацию посторонних предметов в радиальном направлении в наружный тракт в пределах осевого пространства вентиляторной ступени, и предотвращающие проход посторонних предметов во внутренний тракт вентиляторного газотурбинного двигателя. Применение способа и устройства не вызывает существенного ухудшения характеристик двигателя и может быть использовано на разных типах двигателей. Обеспечивается защита внутреннего тракта ...

ОСЕВОЙ ВЕНТИЛЯТОР

Изобретение относится к осевому вентилятору, может быть использовано в системе охлаждения двигателя транспортного средства, в частности сельскохозяйственного транспортного средства, и обеспечивает при своей работе надежность, препятствуя образованию шлама, воды и песка. Данный технический результат обеспечивается в осевом вентиляторе, в котором крыльчатка (1) содержит ступицу (2) с приводом от двигателя так, что она вращается вокруг своей собственной центральной оси (3), и множество лопастей (5), простирающихся от ступицы (2) в направлениях, поперечных к оси вращения (3) ступицы (2), ступица имеет чашеобразную форму и образована кольцеобразной боковой стенкой (7) и нижней стенкой (6), которая имеет множество длинных ребер (20), расположенных в радиальном направлении и простирающихся в высоту по направлению к полости ступицы (2); каждое из ребер (20) соединено впритык с внутренней поверхностью кольцеобразной боковой стенки (7) и вместе с указанной кольцеобразной боковой стенкой ограничивает ...

БЛОК НАСОСНЫЙ ДЛЯ ПРОМЫВКИ ПРОТОЧНОЙ ЧАСТИ ЦЕНТРОБЕЖНОГО КОМПРЕССОРА

Блок насосный для промывки проточной части центробежного компрессора предназначен для промывки проточной части во время работы компрессора, в частности центробежного компрессора газоперекачивающего агрегата. Блок насосный выполнен в едином корпусе на раме с колесами и содержит: бак промывочной жидкости, снабженный указателем уровня, электрическим нагревателем, средством измерений температуры, трубопроводом заправки, заливочной горловиной; трубопровод подачи промывочной жидкости, связанный с баком, на котором последовательно установлены насос с электроприводом и клапан, связанный байпасом с трубопроводом подачи промывочной жидкости на входе насоса; дренажные трубопроводы; пульт управления, при этом бак снабжен терморегулятором; в качестве насоса применен плунжерный насос высокого давления; на трубопроводе подачи перед плунжерным насосом дополнительно установлен центробежный электронасос, на входе которого установлен запорный клапан и сетчатый фильтр, а на выходе - первый обратный клапан; ...

УЗЕЛ ДЛЯ ВПУСКА ТЕКУЧЕЙ СРЕДЫ

... 1. Узел (100) для впуска текучей среды, предназначенный для использования в турбомашине (200), содержащей: ! корпус (120), выполненный с возможностью направления текучей среды в турбомашину (200), причем материалом корпуса (120) является чугун с шаровидным графитом, ! при этом корпус (120) содержит внутреннюю стенку (130), имеющую облицовку (140) из пропитанного смолой композитного материала. ! 2. Узел по п.1, в котором композитный материал (340) является стекловолокном. ! 3. Узел по п.1 или 2, в котором композитный материал (340) является выкладкой из стеклянного жгута. ! 4. Узел по п.1 или 2, в котором корпус (120) включает, по меньшей мере, одну распорку. ! 5. Узел по п.1 или 2, в котором облицовка (140) содержит гладкую поверхность. ! 6. Узел по п.1 или 2, в котором текучая среда является турбинным газом. ! 7. Способ изготовления узла для впуска текучей среды для использования в турбомашине (200), являющейся газовой турбиной, при этом способ включает этапы: ! обеспечения корпуса (120 ...

Kühlschmierstoffpumpe

Pumpe für in einer Werkzeugmaschine umgewälzte Prozessflüssigkeiten, mit einem Gehäuse (10), das eine Pumpenkammer (14) und einen Ansaugstutzen (12) für die Prozessflüssigkeit aufweist, einer drehbar in dem Gehäuse (10) gelagerten Welle (22), einem in der Pumpenkammer (14) auf der Welle (22) angeordneten Laufrad (28, 30), und einer Dichtungsanordnung (32) zur Abdichtung der Welle (22) im Gehäuse (10) auf der dem Ansaugstutzen (12) entgegengesetzten Seite der Pumpenkammer (14), dadurch gekennzeichnet, dass die Dichtungsanordnung (32) eine Dichtungskammer (36) aufweist, in der zwei Wellendichtungen (38, 40) in axialem Abstand auf der Welle (22) angeordnet sind, und dass eine Hilfspumpe (48) dazu vorgesehen ist, frische Prozessflüssigkeit in einen zwischen den Wellendichtungen (38, 40) gelegenen Abschnitt der Dichtungskammer (36) zu pumpen.

Fluid processing system, an energy-dissipating device, and an associated method thereof

ROTARY MACHINE

PROCEDURE AND DEVICE FOR CLEANING A TURBOFAN GAS-TURBINE ENGINE

FILTER SILENCER

A fan

A fan assembly for creating an air current is described. There is provided a fan assembly (100) comprising a nozzle (1), means for creating an air flow through the nozzle (1) and a filter (26, 126, 226) for removing particulates from the air flow. The nozzle (1) comprises an interior passage (10), a mouth (12) for receiving the air flow from the interior passage (10), and a Coanda surface(14) located adjacent the mouth (12) and over which the mouth (12) is arranged to direct the air flow. The fan provides (10) an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan i.e. air flowis created by a bladeless fan.

Device for blowing air by means of narrow slit nozzle assembly

A device for blowing air by means of a narrow slit nozzle assembly (20) is provided. The device comprises a base seat (10) for generating air stream to supply air flow and a narrow slit nozzle assembly (20) supported by the base seat (10) for blowing air. An airflow passage is connected between the base seat (10) and the nozzle assembly (20). An intake end of the airflow passage is opened on the outer surface of the base seat (10), and an output end is connected to the nozzle assembly (20) by means of a pivot component (21). An intake end of the nozzle assembly (20) is connected to an output end of the base seat (10) by means of the pivot component (21). An impeller (13) and an electric motor (12) for driving the impeller (13) to rotate are provided in the base seat (10). The nozzle assembly (20) is rotatably fixed on the base seat (10) by means of the pivot component (21). The rotation direction of the nozzle can be adjusted by the rotation of the pivot component around the airflow passage ...

ELECTRIC FAN

The present invention provides an electric fan capable of blowing cool wind efficiently even if the electric fan is a large flow rate fan having a large blade diameter. The electric fan of the present invention comprises: a housing having a suction port for air and a blowing port for air; an axial flow fan for suctioning air from the suction port into the housing and for blowing the suctioned air from the blowing port; an evaporation filter for passing the air suctioned from the suction port; a water supplying system capable of supplying water to the evaporation filter; an indirect heat exchanger for cooling the air passed through the evaporation filter, the indirect heat exchanger being disposed downstream from the evaporation filter; and a cooler for cooling a coolant for the indirect heat exchanger; wherein the suction port and the blowing port are formed on the same side surface of the housing; and wherein the blowing port is formed on the central part of the side surface of the housing ...

Multi-stage turbine with embedded electric motor

DISCHARGE VALVE TURBOJET COMPRESSOR

SYSTEM OF DE-DUSTING AND PURGING OF OVERPRESSURE COMBINES FOR A DUAL FLOW JET ENGINE

SYSTEM OF DE-DUSTING AND PURGING OF OVERPRESSURE COMBINES FOR A DUAL FLOW JET ENGINE

냉풍기

... 본 발명에 따른 냉풍기는, 상기한 바와 같은 목적을 달성하기 위한 본 발명에 따른 냉풍기는, 바닥 상에 배치되는 바닥판; 상기 바닥판의 상단에 설치되고 외주면의 둘레를 따라 하단에 공기흡입구가 형성되어 있는 하부하우징과, 상기 하부하우징의 상측에 설치되고 공기배출구가 형성된 상부하우징을 구비하는 통 형상의 하우징; 상기 공기흡입구의 내측에 배치되고, 얼음 또는 냉동팩이 삽입될 수 있는 수납통을 구비하여 상기 공기흡입구로부터 흡입된 공기를 냉각시키는 냉각부; 상기 상부하우징의 내측에 수직으로 설치되어 공기를 외부로 송풍시키는 수직팬과, 상기 수직팬의 하단에 수평으로 설치되어 상기 수직팬으로 공기를 송풍시키는 수평팬과, 상기 하부하우징의 내측 상단에 배치되어 상기 수직팬과 수평팬에 회전동력을 제공하는 동력제공부를 포함하는 송풍부; 상기 상부하우징의 일측에 원주 방향으로 슬라이딩 가능하게 결합하고, 상기 공기배출구를 선택적으로 차단하여 송풍방향을 조절하는 차단막; 및 상기 상부하우징의 상단을 밀폐시키는 뚜껑부를 포함한다. 이러한 본 발명에 따른 냉풍기에 의하면, 차단막과 높이조절부를 이용하여 바람의 방향을 선택적으로 조절할 수 있다. 이를 통해 사용자의 편의성을 증대시키며, 전력의 이용 효율을 향상시킬 수 있다.

GARBAGE DISPOSER

A garbage disposer includes a casing, a garbage cup(103), a stirrer, an electrical heater(110), a deodorizing box(111) and a blower(113). An impeller(3) is arranged in the chamber surrounded by the mounting board(1) of the blower and the blower casing(2). An electromotor(4) is arranged at the other side of the mounting board. The output shaft of the electromotor drives the impeller(3) through the mounting board(1). The inlet(96) of the blower is provided on the blower casing in the axis direction of the impeller. The outlet(97) of the blower is provided on the circumference of the blower casing. The mounting board(1) includes a board body(81) and a mounding portion(82) formed integrally. The board body(81) and the mounding portion(82) are perpendicular to each other. Several recesses(85) are formed by punch on the outside of the right angle(83) formed by the board body(81) and the mounding portion(82). Then the stability of the blower can be improved and the vibration and the noises can ...

Low impedance fan safety guard

A low impedance safety guard for an air circulating fan with rotating fan blades which prevents a human hand, finger or foot from getting into the path of the rotating blades while yet achieving the unrestrictive air stream benefits of a relatively open guard which is generally considered unsafe. The guard comprises rear and front parallel and opposing substantially open, air stream unobstructive fan blade guard faces which will permit the hand, finger or foot to pass partially therethrough. A substantially closed circumferential wall is provided which connects the rear and front faces to enclose the fan blades approximately equal distant from the respective faces to prohibit the hand, figure or foot from reaching the blade path after passing partially through either face should a person unfortunately attempt to do so.

Fan Filter Device

A fan filter device with one or more fan blades substantially comprising a filter media coated or impregnated with a fluid for removing particulates, such as dust and other pollution, from airflow in a wide variety of environments. The fluid has evaporation and viscosity characteristics suitable for maintaining the filter media in a wet condition at the desired speed and temperature of operation.

Осевой вентилятор подпора воздуха для систем противодымной вентиляции

Полезная модель относится к области вентиляторостроения, в частности к конструкции осевого вентилятора подпора воздуха для систем противодымной вентиляции, содержащего крыльчатку, корпус, площадку, подмоторную плиту, боковую стойку и ребра, выполненные из оцинкованного металла. Двигатель установлен с подключенными проводами в корпус вентилятора и крепится к подмоторной плите посредством болтового соединения, при этом площадка приварена к корпусу, к подмоторной плите присоединены боковые стойки посредством болтового соединения, провода выведены от двигателя из корпуса наружу через отверстия в корпусе и стойке, крыльчатка установлена на вал двигателя до упора и фиксируется посредством торцевой шайбы и болта. Технический результат полезной модели - обеспечение надежности и долговечность устройства, за счет невозможности излома сварного шва в результате вибраций, температурных перепадов. 7 ил.

Устройство пневмоимпульсной очистки поверхностей тягодутьевого и пылеулавливающего оборудования

Изобретение относится к области энергетики и энерготехнологии, а непосредственно к способу очистки технологических поверхностей тягодутьевого и пылеулавливающего оборудования, в том числе рабочих колес дымососов, дутьевых вентиляторов, дымососов-пылеуловителей, и может быть использовано для разрушения и удаления скоплений отложений твердых, связанных и сыпучих материалов. Устройство включает пневмопушку, установленную на корпусе оборудования, соединенную с выхлопным патрубком для импульсных выбросов рабочего агента, например сжатого воздуха, в сторону лопаток рабочего колеса через отверстие в корпусе оборудования. Выхлопной патрубок посредством волновода, установленного внутри корпуса, соединен с выхлопным соплом, размещенным во внутреннем объеме рабочего колеса и направленным на очищаемые поверхности. Технический результат: повышение эффективности очистки рабочих колес или технологических поверхностей за счет размещения во внутреннем объеме рабочего колеса выхлопного сопла, без чего не ...

Lüfterhaube und Antrieb

Lüfterhaube und Antrieb, wobei Schlitze zur Reduzierung der Schallemission am Umfang der Lüfterhaube angeordnet sind, wobei die Schlitze derart angeordnet sind, dass sie der Ausbreitung eingekoppelter Schwingungsanteile hinderlich sind.

Verdichter eines Abgasturboladers

Die vorliegende Erfindung betrifft einen Verdichter (1) eines Abgasturboladers mit einem Verdichtergehäuse (2), das einen Verdichter-Auslassstutzen (3) aufweist, und mit einem Schalldämpfer (4), dadurch gekennzeichnet, dass der Schalldämpfer (4) als separates Bauteil ausgebildet ist, das mit dem Auslassstutzen (3) verbindbar ist.

Electric fan

This invention relates to electric fans or blowers which may be used in, for instance, domestic, medical, commercial, industrial and transport applications.

Pumps

AXIAL BLOWER

Garbage disposer

Device for blowing air by means of narrow slit nozzle assembly

A device for blowing air by means of a narrow slit nozzle assembly (20) is provided. The device comprises a base seat (10) for generating air stream to supply air flow and a narrow slit nozzle assembly (20) supported by the base seat (10) for blowing air. An airflow passage is connected between the base seat (10) and the nozzle assembly (20). An intake end of the airflow passage is opened on the outer surface of the base seat (10), and an output end is connected to the nozzle assembly (20) by means of a pivot component (21). An intake end of the nozzle assembly (20) is connected to an output end of the base seat (10) by means of the pivot component (21). An impeller (13) and an electric motor (12) for driving the impeller (13) to rotate are provided in the base seat (10). The nozzle assembly (20) is rotatably fixed on the base seat (10) by means of the pivot component (21). The rotation direction of the nozzle can be adjusted by the rotation of the pivot component around the airflow passage ...

INJECTION DEVICE FOR THE ON-LINE WET CLEANING OF COMPRESSORS

In an injection device for the ON-LINE wet cleaning of compressors, the liquid cleaning agent is injected via a nozzle into the flow passage upstream of the compressor. The nozzle is a molecular atomizer which is mounted in the casing wall of the compressor in such a way that it can be adjusted in a three-dimensional manner in a ball-and-socket joint and can be maintained, adjusted or even exchanged during the operation of the machine.

Pump having a heating device

The present invention relates to a pump (10, 110), particularly for dishwashers, comprising a housing made of a housing bottom (28, 128), a housing cover (16, 116), and a heating device (30, 130, 36,136) disposed in between the bottom and cover for heating a washing fluid, the device forming a ring-shaped side wall of the housing, further comprising an impeller (40, 140) arranged in the housing,an intake connection (18, 118) arranged axially in the housing cover (16, 116) relative to the axis of rotation of the impeller (40, 140), and a pressure connection (20, 120), wherein the pressure connection (20, 120) is arranged in the housing cover (16, 116).

SYSTEME DE DEPOUSSIERAGE ET DE PURGE DE SURPRESSION COMBINE POUR UN REACTEUR A DOUBLE FLUX

L'INVENTION CONCERNE UN SYSTEME DE DEPOUSSIERAGE ET DE PURGE DE SURPRESSION COMBINE POUR UN REACTEUR A DOUBLE FLUX. CE SYSTEME COMPREND UN CONDUIT ANNULAIRE 14 SITUE A LA JONCTION D'UN COMPRESSEUR A BASSE PRESSION 2 ET D'UN COMPRESSEUR A HAUTE PRESSION 4 POUR ACHEMINER L'AIR DE LA PARTIE CENTRALE DU REACTEUR DANS PLUSIEURS PASSAGES 16, PLUSIEURS AUBES FIXES 22 ESPACEES CIRCONFERENTIELLEMENT DANS UN CONDUIT DE DECHARGE DE VENTILATEUR 20, AINSI QUE PLUSIEURS OUVERTURES 18 COMMUNIQUANT AVEC LES PASSAGES 16 POUR DECHARGER L'AIR PRECITE A PROXIMITE DE L'INTRADOS DES AUBES FIXES 22. L'INVENTION EST UTILISEE DANS LES REACTEURS A DOUBLE FLUX A LA FOIS POUR PURGER L'AIR DU COMPRESSEUR EN CAS DE SURPRESSION ET POUR ELIMINER LES IMPURETES DE L'AIR INJECTE DANS LA PARTIE CENTRALE DU REACTEUR.

FAN UNIT FOR ELECTRIC FAN AND ELECTRIC FAN ASSEMBLY WITH THE SAME

dispositivo e método para limpar um motor de turbina a gás

Side channel compressor

A side-channel compressor includes a rotor rotatably supported in the housing of the compressor. The rotor includes a blade ring arranged at the outer circumference of a disk-shaped hub. A clearance space is provided between the housing and the rotor in the region where the rotor hub merges into the blade ring. To prevent the rotor from becoming blocked by dust, lint or fiber-like particles which may settle in the clearance space, at least one recess is formed in the rotor in the region where the hub merges into the blade ring. The recess extends over the entire effective length of the clearance space in the region where the hub merges into the blade ring and effectively expands the boundaries thereof.

FAN ASSEMBLY

A fan assembly includes a fan and a fan guard positioned on the fan to protect the fan from contamination and damage during operation. The fan includes a plurality of upper corners extending outwardly therefrom. The fan guard includes a frame and a cover covering and fastened to the frame. The frame includes a plurality of protrusions extending downwardly therefrom and a plurality of fastening feet extending upwardly therefrom. The protrusions engage the upper corners of the fan, securing the frame to the fan. The cover comprises a spring component surrounding a bottom thereof, resiliently engaging the fastening feet of the frame. A plurality of pores are defined in the cover, allowing airflow produced by the fan therethrough, wherein the fan guard protects the fan from contamination and damage during operation.

Blower

A blower has an air outlet duct having an internal space, and an air outlet opening extending from the air outlet duct. A fan having a plurality of blades is positioned inside the internal space. A base seat is positioned below the air outlet duct, with an air inlet provided in a side wall of the base seat, and with an air inlet pipe extending from the air inlet. A motor is positioned in the base seat and has a shaft that extends through the air outlet duct to be coupled to the blades.

PUMP HAVING A HEATING DEVICE

Pump with heating device

ФИЛЬТРУЮЩИЙ ВХОДНОЙ МОДУЛЬ ПОГРУЖНОГО ЭЛЕКТРОЦЕНТРОБЕЖНОГО НАСОСА

Изобретение относится к нефтяному машиностроению и может быть использовано в конструкции погружных электроцентробежных насосов для приема и очистки добываемой продукции от механических примесей. Фильтр входной модуль погружного электроцентробежного насоса, содержащий корпус в виде цилиндрической перфорированной трубы с резьбовыми окончаниями, при этом резьбовые окончания выполнены с возможностью резьбового соединения на верхнем конце корпуса с головкой, а на нижнем конце корпуса с переводником или основанием, при этом головка, переводник и основание содержат подшипниковый узел вала, выполненный таким образом, что в установленном состоянии подшипниковый узел расположен вне границ корпуса, при этом на корпусе герметично установлен фильтр, включающий фильтроэлемент, содержащий гофрирование. Техническим результатом изобретения является повышение эффективности, как эксплуатации фильтра входного модуля, так и очистки добываемой продукции скважин, оборудованных установками погружных электроцентробежных ...

СПОСОБ И УСТРОЙСТВО ДЛЯ ПРЕДОТВРАЩЕНИЯ ПРОХОДА ПОСТОРОННИХ ПРЕДМЕТОВ ВО ВНУТРЕННИЙ ТРАКТ ВЕНТИЛЯТОРНОГО ГАЗОТУРБИННОГО ДВИГАТЕЛЯ

Hand held blower attachment for hair drier - has air intake grille rotatable relative to cleaning brush fixed across grille

The hand-held blower is esp. for use as a hair drier. It comprises a housing (10), which may contain a heater and switches and has an air inlet opening covered by a grille (13). A cleaning brush (14) is provided to clean the intake grille by relative movement between grille and brush. The grille may be rotatable to the housing whilst the brush is fixed so that it engages the grille. The brush may comprise a linear strip extending across the grille and having its ends secured between fixing points (15, 15') on the housing.

FILTERSCHALLDÄMPFER

Rotor wheel for electric ventilator or fan

The rotor wheel has a hub (2), rotated about a central axis (1) with an outer symmetrical surface (3) supporting a number of identical radial blades (4), with their outer ends lying along an outer circle. At least one enlarged blade (7) is inserted between the latter blades, its outer end (8) lying outside this circle, with a balancing device for compensating the imbalance caused by the enlarged blade.The balancing device may be provided by a further enlarged blade (9), positioned symmetrical to the first enlarged blade, relative to the rotational axis.

A fan

Rotary machine

A pump unit

A pump unit with an ultra-violet lamp

A pump unit for placing in a pond, the unit comprising 10 a housing 40 in which is housed an electrical pump 70 and UV lamp 80. In operation the pump causes water from the pond to flow past the UV lamp so as to be exposed to the UV light. Such UV "filters" are used to remove the green colour due to algae growth, by causing the algae cell walls to rupture, and thus clarify the water. The pump unit may be submersible in water. The UV lamp may have a cover 86 of a material, such as quartz, which tends to allow UV light to pass through it. The pump unit may also have a mechanical filtering means (50 figure 3) removably located in the housing and a bypass means 52 for use if the filter becomes clogged. The pump unit may have a fountain 90 outlet and a flow control means 102 to variably control the flow through the bypass outlet and/or the fountain. Independently claimed are a pond pump and filter; a pond pump with variable flow control means and a pond pump with fountain outlet and bypass means ...

PROCEDURE AND PLANT FOR THE PREVENTION OF DEPOSITS IN A TURBO-MOLECULAR PUMP WITH MAGNET OR GAS BEARING

Gas compression system

The invention relates to a gas compression system comprising a compact flow conditioner (21), intended to be placed below sea level in close vicinity to a well head or on a dry installation, said flow conditioner (21) being intended to receive a multi-phase flow through a supply pipe (11) from a sub sea well for further transport of such hydrocarbons to a multi-phase receiving plant, and where preferably avoid sand accumulation or remove as much sand as possible from the multi-phase flow, the gas (G) and the liquid (L) being separated in the flow conditioner (21) whereupon the separated gas (G) and liquid (L) are re-assembled and enters a multi-phase meter (46) prior to boosting by means of a compressor (22). In the combined multi-phase pump and compressor unit (22), as an integrated unit, comprises a combined multi-phase pump and compressor unit (22) functioning on the centrifugal principle, used for trans-porting liquid and gas from a flow conditioner (21) to a remote multi-phase receiving ...

A fan

Multiphase pressure boosting pump

The invention provides a system for multiphase pumping, preferably for subsea application, distinctive in that it comprises a multiphase pressure boosting pump and a separator, preferably adapted for subsea operation, a multiphase fluid inlet connected to the pump, a multiphase outlet from the separator, an outlet of the pump arranged to an inlet of the separator, a liquid outlet of the separator arranged to a liquid inlet on the pump, and a power recovery turbine arranged between said liquid outlet of the separator and said liquid inlet on the pump. The invention also provides a multiphase pressure boosting pump, preferably adapted for subsea operation, comprising a motor, one or more impellers arranged on a shaft common with a motor shaft or coupled to the motor, a pressure housing, a multiphase fluid inlet and an outlet, distinctive in that the pump further comprises a liquid injection inlet and a power recovery turbine, with the power recovery turbine arranged between the liquid injection ...

Multistage self-suctioning centrifugal pump unit

The multistage self-suctioning centrifugal pump unit has at least two pump stages (4) which are arranged one after the other in the main direction of flow (32) and have a return flow channel (13) extending parallel to at least one pump stage (4). The return flow channel (13) opens in the main direction of flow (32) behind the first or an additional pump stage (4).

VACUUM PUMP, AND FLEXIBLE COVER AND ROTOR USED IN SAID VACUUM PUMP

INSTALLATION OF VENTILATION, IN PARTICULAR INDUSTRIAL VENTILATOR

A turbine fan-scrubber

Filtro de óleo para uso em um motor ele´trico formado peça de um dispositivo dentro de um poço, motor para um dispositivo dentro de um poço, caracterizado por compreender uma carcaça de motor contendo um estator

Multi-functional air circulation system

Turbo vacuum pump and operation method therefor

To restart even a turbo vacuum pump of which rotors lock after the stop of the pump resulted from the adhesion and deposition of reaction products inside the pump. Prior to the starting of a turbo vacuum pump, a controller controls a magnetic bearing so as to displace the rotors by its suction force to thereby scrape away reaction products therefrom. A heater means is provided to heat the stators prior to the starting of the turbo vacuum pump. Even if the rotors lock due to the adhesion and deposition of reaction products inside the pump out of operation, the pump is thus easily restarted owing to the use of advantages of the magnetic bearing including its compete cleanness and feature of requiring no maintenance.

Fan

A fan includes a base and a nozzle mounted on the base. The base includes an impeller and a motor for driving the impeller to generate an air flow. The nozzle includes an air inlet, an air outlet, and an annular casing which defines a bore through which air from outside the fan is drawn by air emitted from the air outlet. An electrostatic precipitator is located within the bore of the nozzle for treating the air drawn through the bore.

УСТРОЙСТВО ДЛЯ ПРОМЫВКИ ПРОТОЧНОЙ ЧАСТИ ЦЕНТРОБЕЖНОГО КОМПРЕССОРА

Устройство для промывки проточной части центробежного компрессора предназначено для промывки проточной части во время работы компрессора. Устройство содержит резервуар для промывочной жидкости, связанный трубопроводом с установленными на нем насосом, запорной арматурой, регулятором давления и средством измерений давления с коллектором нагнетания промывочной жидкости в компрессор, и трубопроводы подачи промывочной жидкости, связанные входами с коллектором нагнетания, на каждом из которых по ходу промывочной жидкости последовательно установлены первый запорный клапан, средство измерений давления, второй запорный клапан, выходами трубопроводы подачи промывочной жидкости связаны с форсунками подачи промывочной жидкости, расположенными в проточной части компрессора, коллектор нагнетания имеет на входе дренажный трубопровод с установленным на нем запорным клапаном, трубопроводы подачи между первым запорным клапаном и средством измерений давления имеют дренажные трубопроводы с установленными на ...

СТОЙКА ПРОМЫВКИ ДЛЯ УСТРОЙСТВА ПРОМЫВКИ ПРОТОЧНОЙ ЧАСТИ ЦЕНТРОБЕЖНОГО КОМПРЕССОРА

Стойка промывки для устройства промывки проточной части центробежного компрессора предназначена для промывки проточной части во время работы компрессора. Стойка выполнена в виде рамной конструкции, устанавливаемой на раме центробежного компрессора, на которой закреплены: горизонтальный коллектор нагнетания промывочной жидкости в компрессор, имеющий на входе фланец для подключения подающего промывочную жидкость трубопровода, запорный клапан и дренажный трубопровод с установленным на нем запорным клапаном; вертикальные трубопроводы подачи промывочной жидкости, связанные входами с коллектором нагнетания, на каждом из которых по ходу промывочной жидкости последовательно установлены: дроссельная шайба; первый запорный клапан; средство измерений давления; второй запорный клапан; обратный клапан; фланец. Трубопроводы подачи также имеют между первым запорным клапаном и средством измерений давления дренажные трубопроводы с установленными на них запорными клапанами. Дренажные трубопроводы трубопроводов ...

САМООЧИЩАЮЩИЙСЯ ФИЛЬТР ДЛЯ ЗАЩИТЫ УЭЦН

Самоочищающийся фильтр для защиты установки электроприводного центробежного насоса (УЭЦН) относится к горной промышленности и предназначен для защиты глубинных нефтяных насосов от механических примесей, содержащихся в пластовой жидкости. Технический результат - повышение ресурса работы насоса за счет использования возможности переключения УЭЦН на реверсивное вращение. Самоочищающийся фильтр содержит каркас, вал 8, на котором установлены с возможностью вращения фильтрующие элементы тонкой 6 и грубой 7 очистки, дополнительно содержит внешний 2 и внутренний 10 игольчатый подшипник и инверсионную муфту 9, снабженную роликами. Каркас выполнен из легированной стали и состоит из удлиненных стержней 5 треугольной формы и соединяющего их фланца-корпуса 1. Фильтрующие элементы тонкой 6 и грубой 7 очистки статичны при прямом вращении УЭЦН, а при реверсивном вращении динамичны, при этом внутренняя часть инверсионной муфты 9 приходит в зацепление с фильтрующим элементом грубой 7 очистки, на котором ...

ВХОДНОЙ МОДУЛЬ-ФИЛЬТР ПОГРУЖНОГО ЦЕНТРОБЕЖНОГО НАСОСА

Изобретение относится к нефтяному машиностроению и может быть использовано в погружных насосах для добычи нефти из нефтяных скважин, служит для очистки от механических примесей пластовой жидкости на входе в погружной центробежный насос и для передачи крутящего момента от вала погружного электродвигателя на вал центробежного насоса. Техническим результатом заявляемого изобретения является повышение эффективности фильтрации пластовой жидкости щеточным фильтром, находящимся в составе входного модуля погружного центробежного насоса за счет увеличения протяженности каналов для прохождения фильтруемой жидкости, образованных пространством между щетинками щеточного фильтра. Входной модуль - фильтр погружного центробежного насоса, содержит корпус с отверстиями для прохода пластовой жидкости, присоединенные к корпусу основание и голову, вал, передающий вращение от электродвигателя к насосу, фильтр, выполненный из расположенных в корпусе пакета щеточных дисков. При этом щетинки щеточных дисков фильтра ...

ОСЕВОЙ ВЕНТИЛЯТОР

... 1. Осевой вентилятор, в котором крыльчатка (1) содержит ступицу (2) с приводом от двигателя так, что она вращается вокруг своей собственной центральной оси (3) в заданном направлении вращения (V), и множество лопастей (5), простирающихся от ступицы (2) в направлениях, поперечных к оси (3); при этом ступица (2) имеет чашеобразную форму и образована нижней стенкой (6) и кольцеобразной боковой стенкой (7); нижняя стенка (6) имеет множество длинных ребер (20), расположенных в радиальном направлении и простирающихся в высоту по направлению к полости ступицы (2), и каждое из ребер (20) соединено впритык с внутренней поверхностью кольцеобразной боковой стенки (7) и вместе с указанной кольцеобразной боковой стенкой (7) ограничивает угловой участок нижней стенки (6), расположенный относительно направления вращения (V) перед ребром (20), отличающийся тем, что каждый угловой участок имеет сквозное отверстие (9) для выпуска любых загрязнений, в частности, воды, песка, земли или шлама из полости ступицы ...

Входной модуль-фильтр

Входной модуль-фильтр относится к нефтедобывающей промышленности и может быть использован для защиты погружного скважинного центробежного электронасоса (ЭЦН) от попадания на прием насоса механических примесей при добыче пластовой жидкости из скважины. Техническим результатом заявленной полезной модели является расширение арсенала средств для фильтрации потока нефтяного флюида от механических примесей и защиты погружного насосного оборудования от абразивных частиц. Указанный технический результат достигается за счет того, что входной модуль-фильтр, содержит корпусную трубу, головку, вал с подшипниками и фильтрующий блок, причем корпусная труба выполнена цельной, а фильтрующий блок, снабженный внешней и внутренней защитной сеткой выполнен многослойным из упруго-растянутого проволочно-проницаемого материала, и каждый слой выполнен с разной номинальной тонкостью фильтрации. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 189 152 U1 (51) МПК F04D 29/70 (2006.01) F04D 13/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК F04D 29/708 (2019.02); F04D 13/10 (2019.02) (21) (22) Заявка: 2018134312, 01.10.2018 (24) Дата начала отсчета срока действия патента: 01.10.2018 14.05.2019 (73) Патентообладатель(и): Акционерное общество "Самаранефтегаз" (RU), Общество с ограниченной ответственностью "РН-Ремонт НПО" (RU), Общество с ограниченной ответственностью "РЕАМ-РТИ" (RU) (45) Опубликовано: 14.05.2019 Бюл. № 14 Адрес для переписки: 443071, г. Самара, Волжский пр., 50, АО "Самаранефтегаз" R U 1 8 9 1 5 2 U 1 N13-14, 2011, с.124-125. RU 2261369 C1, 27.09.2005. RU 117538 U1, 27.06.2012. RU 2353813 C1, 27.04.2009. US 20150064034 A1, 05.03.2015. GB 2554612 A, 04.04.2018. (54) ВХОДНОЙ МОДУЛЬ-ФИЛЬТР (57) Реферат: Входной модуль-фильтр относится к нефтедобывающей промышленности и может быть использован для защиты погружного скважинного центробежного электронасоса (ЭЦН) от попадания на прием насоса механических примесей при добыче ...

Dustproof axial-flow fan device

A dustproof axial-flow fan device includes an axial-flow fan and a mount body. The axial-flow fan has a frame body and a fan propeller rotatably mounted in the frame body. The mount body has an inlet and an outlet. At least one shutter slat is disposed at the inlet. A filter mesh is disposed at the outlet. An opening is formed at a bottom of the mount body. When the fan propeller forward rotates, air flows from the inlet into the mount body and filters through the filter mesh to flow out of the outlet. When the fan propeller reversely rotates, the shutter slat is closed to block the inlet. In this case, the air flows from the outlet into the mount body to blow off the dust from the filter mesh. The shutter slat will stop and make the dust drop out from the opening to remove the dust.

Air blower

An air blower includes a motor; a fan connected to an output shaft of the motor and rotatively driven by the motor; and a fan nut fixing the fan onto the output shaft of the motor, a diffusive substance is kept in the fan nut provided on the output shaft of the motor, and an ion generating unit is attached to a motor body concentrically with the output shaft. Therefore, the diffusive substance, positive ions and negative ions may be diffused without interrupting blowing and without harmfully affecting the air blowing function. Since the diffusive substance and the ion generating unit are provided inside a fan guard, an infant or the like may be prevented from touching them, and thus, the safety may be secured.

Blower arrangement

The invention relates to a blower arrangement for gas. The blower arrangement comprises a blower with a blower housing, at least one gas-inlet opening formed in the blower housing and gas-outlet opening, and at least one rotary-driven blower wheel arranged in the blower housing. Furthermore, the blower arrangement has at least one silencer device with at least one gas guiding element, wherein the gas-guiding element comprises a plurality of silencer openings and is designed as a gas guiding pipe. The gas guiding pipe varies its cross section along its longitudinal extension and has a wall, which is designed to be wave-like along the longitudinal extension of the gas guiding pipe. The silencer device also comprises at least one silencer chamber, which is in flow connection with the silencer openings and is arranged at least in sections laterally behind the gas guiding element.

Centrifugal compressor and washing method

The centrifugal compressor is provided with a casing, a rotating shaft which is supported inside the casing, an impeller which is arranged on the rotating shaft and rotates to compress a fluid, and a washing liquid injection device which injects a washing liquid into a flow path formed by the impeller and the casing. The washing liquid injection device is provided with a plurality of nozzles which are arranged along a circumferential direction of the rotating shaft to inject the washing liquid into the flow path and a plurality of chambers which communicate with each corresponding nozzle among the plurality of nozzles and supply the washing liquid to the corresponding nozzle.

Radial staging method and configuration of a liquid injection system for power plants

A turbine power plant employs a radial staging of a liquid injection system to provide a uniform fluid distribution, for use in wet compression. The liquid injection system can be actuated to inject liquid to various radial regions of an air intake case of the turbine power plant. During a stage one actuation, liquid is directed to a first radial region of the air intake case. During a stage two actuation, liquid is directed to the first radial region and also to a second radial region of the air intake case.

Use of coke compositions for on-line gas turbine cleaning

A method is disclosed for removing deposits from rotating parts of a gas turbine engine while under full fire or idle speed utilizing a particulate coke composition. The coke composition may be introduced directly into the combustion chamber (combustor) of the gas turbine or, alternatively, anywhere in the fuel stream, water washing system, or the combustion air system. By kinetic impact with the deposits on blades and vanes, the deposits will be dislodged and will thereby restore the gas turbine to rated power output. If introduced into the compressor section, the coke particles impinge on those metal surfaces, cleaning them prior to entering the hot gas section where the process is repeated.

Method for injecting water into a multistage axial compressor of a gas turbine

A method is disclosed for injecting water into a multistage axial compressor of a gas turbine. With low equipment cost, a significant power enhancement can be achieved, even under changing boundary conditions, by water being injected at a plurality of points along the axial compressor, and by the injected water mass flow being controlled at the individual injection points in accordance with ambient conditions and operating parameters of the gas turbine in such a way that an evened-out loading in the individual stages of the axial compressor can be created.

Centrifugal fan and projector

A centrifugal fan introducing air via an inlet port in a direction of a rotation axis and discharging the air via an outlet port in the a direction of a centrifugal force produced by rotation includes: an impeller having a plurality of vanes around the rotation axis; and a housing including the inlet port and supporting the impeller such that the impeller is allowed to freely rotate in the housing. An inclined portion is formed at least at a part of edge portion of the inlet port, the inclined portion widening to the side that the impeller is disposed.

Apparatus and method for a submersible pump system and linear electrofusion

This invention relates generally to a high volume, buoyancy controlled submersible pump assembly designed to sit on the bottom of a body of water or other liquid substance and move a large volume of water or liquid substance. Alternatively, the submersible pump assembly is capable of achieving and maintaining neutral buoyancy or near neutral buoyancy in a particular body of water or liquid substance. The neutrally buoyant version includes the means to maintain the pump assembly at a given depth without requiring it to sit on the bottom of the body of water or other liquid substance. This invention also relates to linear electrofusion for thermoplastic components.

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers.

Heat Dissipating Fan

A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing includes an air inlet, an air outlet and a dust channel. The air outlet includes opposite first and second end edges located at a same straight side of the housing. The housing defines a first plane. The impeller includes a hub and several blades. The impeller defines a second plane. The compartment of the housing includes an air outlet section and a pressure accumulating section. The air outlet section is located between the first and second planes. The air outlet is located in the air outlet section. The dust channel extends in an angle with respect to the second plane. An impeller is coupled to the stator that is coupled to the base. A control element includes a driving circuit and a rotating direction control circuit. 1. A heat dissipating fan comprising:a housing including a base and a sidewall coupled to the base, with the sidewall defining a compartment of a generally cylindrical shape having an axis, with the housing further including an air inlet formed by open ends of the compartment, an air outlet extending in a radial direction from the compartment through the sidewall, and a dust channel extending in a radial direction from the compartment through the sidewall, with the air inlet, the air outlet and the dust channel being in communication with the compartment, with the air outlet including opposite first and second end edges in the sidewall parallel to and spaced from the axis, with the first and second end edges of the air outlet located at a same straight side of the housing, with the housing defining a first plane including the first and second end edges, with the impeller including a hub extending along the axis and a plurality of blades coupled to an outer periphery of the hub, with the impeller defining a second plane including the axis of the hub, with the second plane parallel to and spaced from the first ...

FAN

A fan includes a base and a nozzle mounted on the base. The base includes an impeller and a motor for driving the impeller to generate an air flow. The nozzle includes an air inlet, an air outlet, and an annular casing which defines a bore through which air from outside the fan is drawn by air emitted from the air outlet. An electrostatic precipitator is located within the bore of the nozzle for treating the air drawn through the bore. 1. A fan comprising:a base comprising an impeller and a motor for driving the impeller; anda nozzle connected to the base, the nozzle comprising at least one air inlet, at least one air outlet, a casing defining a bore through which air from outside the fan is drawn by air emitted from said at least one air outlet, and an electrostatic precipitator located within the casing for treating the air drawn through the bore.2. The fan of claim 1 , wherein the electrostatic precipitator is located at least partially within the bore of the nozzle.3. The fan of claim 1 , wherein at least part of the electrostatic precipitator is housed within a cartridge removable from the bore of the nozzle.4. The fan of claim 1 , wherein the electrostatic precipitator comprises a plurality of parallel plates extending across the bore of the nozzle.5. The fan of claim 1 , wherein said at least one air outlet is arranged to emit air away from the electrostatic precipitator.6. The fan of claim 1 , wherein the nozzle has a front end towards which air is emitted from said at least one air outlet claim 1 , and a rear end opposite to the front end claim 1 , and wherein said at least one air outlet is located between the front end and the rear end.7. The fan of claim 6 , wherein the electrostatic precipitator is located between said at least one air outlet and the rear end of the nozzle.8. The fan of claim 1 , wherein said at least one air outlet extends across the bore of the nozzle.9. The fan of claim 1 , wherein said at least one air outlet comprises a plurality ...

FAN

A fan includes a base and a nozzle mounted on the base. The base includes an impeller and a motor for driving the impeller to generate an air flow. The nozzle includes an air inlet, an air outlet, and an annular casing which defines a bore through which air from outside the fan is drawn by air emitted from the air outlet. An ionizer is located within the bore of the nozzle for treating the air drawn through the bore. 1. A fan comprising:a base comprising an impeller and a motor for driving the impeller; anda nozzle connected to the base, the nozzle comprising at least one air inlet, at least one air outlet, an annular casing defining a bore through which air from outside the fan is drawn by air emitted from said at least one air outlet, and an ionizer located within the casing for treating the air drawn through the bore.2. The fan of claim 1 , wherein the ionizer is located at least partially within the bore of the nozzle.3. The fan of claim 1 , wherein the ionizer is housed within a cartridge removable from the bore of the nozzle.4. The fan of claim 1 , wherein said at least one air outlet is arranged to emit air away from the ionizer.5. The fan of claim 1 , wherein the nozzle has a front end towards which air is emitted from said at least one air outlet claim 1 , and a rear end opposite to the front end claim 1 , and wherein said at least one air outlet is located between the front end and the rear end.6. The fan of claim 5 , wherein the ionizer is located between said at least one air outlet and the rear end of the nozzle.7. The fan of claim 1 , wherein said at least one air outlet extends across the bore of the nozzle.8. The fan of claim 1 , wherein said at least one air outlet comprises a plurality of air outlets claim 1 , each air outlet extending across the bore of the nozzle.9. The fan of claim 8 , wherein each air outlet is in the form of a slot.10. The fan of claim 8 , wherein the air outlets are substantially parallel.11. The fan of claim 1 , wherein the ...

Evaporative cooling apparatus and methods

An evaporative cooling apparatus includes a liquid reservoir and a pump coupled to the liquid reservoir. The pump includes a pressure output that applies a static pressure against the liquid stored in the liquid reservoir. The applied pressure forces liquid through a liquid supply line to a nozzle unit, and the liquid is ejected into a stream of forced air from a fan for evaporative cooling applications. The pressure output is also in fluid communication with the nozzle unit via a gas supply line extending between the pressure output and the nozzle unit for delivering gas into the nozzle unit. The gas delivered to the nozzle unit interacts with the liquid inside the nozzle unit to generate the atomized spray of liquid droplets.

DISTRIBUTED AERATION SYSTEM AND CONTROL ARCHITECTURE

Apparatus and method for removing particles from an air source. The air source is passed through multiple rows (R) of cyclone separators (), removing particles from the air to create cleaned air and passing the particles through openings () in the separators so that the particles fall to a surface () below the openings. The cleaned air is directed into a first chamber region () above the cyclone separators () and moved along a second chamber region () positioned between two of the rows (R) toward a duct () for passage out to a compressor (). 1. An air inlet system suitable for providing cleaned air as an input to a compressor from ambient air received into the system from a surrounding ambient environment , comprising:a plenum housing having an upper surface and a lower surface defining a first open subregion between the upper and lower surfaces;a plurality of cyclone separators arranged in spaced apart rows, the separators each including a vortex body portion, an intake portion for receiving the ambient air into the body portion, and a vortex finder tube extending from within the body portion and into the first open subregion to provide cleaned air by removing particles from the ambient air and deliver the cleaned air from the body portion into the first open subregion, the system including a second subregion extending between at least two of the spaced apart rows, the second subregion in fluid communication with the first subregion to receive cleaned air for movement along the second region; anda port positioned to receive for the cleaned air from the second open region for delivery as the input to the compressor.2. The air inlet system of wherein:the plenum housing and the cyclone separator vortex finder tubes are formed as a first unit of the system,the system further including a second unit containing the cyclone separator vortex body portions and the second open region.3. The air inlet system of wherein the upper and lower units are configured to be mounted ...

SPLINTER SHIELD FOR VACUUM PUMP, AND VACUUM PUMP WITH THE SPLINTER SHIELD

The present invention provides a splinter shield for a vacuum pump, capable of reducing costs of the splinter shield by obtaining a single sheet of splinter shield having a required strength, in which fastening strength to a fixing groove is enhanced to prevent the splinter shield from bending toward the inside of a pump and coming into contact with equipment inside the pump when air rushes into the pump through an inlet port and to prevent the splinter shield from falling. Furthermore, attachment and removal of the splinter shield with respect to the inlet port are facilitated. 1. A splinter shield for a vacuum pump in which a rim formed in a circumferential edge portion of the splinter shield is inserted into a fixing groove that is provided in a concave manner in an inner circumferential portion of an inlet port of the vacuum pump , and the splinter shield is provided in a tensioned manner to the inlet port by pushing a retaining ring into the fixing groove ,wherein locking parts that are locked into the retaining ring at a plurality of sections in the rim are provided in a standing manner at substantially right angles to the rim.2. The splinter shield for a vacuum pump according to claim 1 , comprising a wire netting portion and a rib portion for reinforcement disposed as a crosspiece within the rim claim 1 , wherein the wire netting portion and the rib portion are integrally formed with a single sheet member.3. A vacuum pump claim 1 , comprising the splinter shield for a vacuum pump according to or . 1. Field of the InventionThe present invention relates to a splinter shield for a vacuum pump and a vacuum pump having the splinter shield. More particularly, the present invention relates to a splinter shield for a vacuum pump, which has a sufficiently enhanced fastening strength to a fixing groove and is capable of sufficiently preventing the splinter shield itself from bending toward the inside of a vacuum pump when air rushes into the pump through an inlet port ...

Ventilator with reversible system for cooling and cleaning radiators

A ventilator with a reversible system for cooling and cleaning radiators can reverse the blades ( 1 ) about the shaft ( 5 ) thereof, such that forced air circulation cleans out dust, weed chaff, cereal chaff, sugarcane chaff and other small dirt particles suspended in the air and that end up on or attached to the radiator wings and air inlet grids, thus preventing the entire engine cooling system from heating up.

Device for blowing air by means of narrow slit nozzle assembly

A device for blowing air by a narrow slit nozzle assembly is provided. The device includes a base seat for generating an air stream to supply air flow and a narrow slit nozzle assembly supported by the base seat for blowing air. An airflow passage is connected between the base seat and the nozzle assembly. An intake end of the airflow passage is opened on the outer surface of the base seat, and an output end is connected to the nozzle assembly by a pivot component. An intake end of the nozzle assembly is connected to an output end of the base seat by the pivot component. An impeller and an electric motor for driving the impeller to rotate are provided within the base seat. The nozzle assembly is rotatably fixed on the base seat by the pivot component. The rotation direction of the nozzle can be adjusted by the rotation of the pivot component around the airflow passage. And when the fan is idle, the nozzle can be folded so as to save space.

Centrifugal compressor

A compressor has a hub-side wall of a hub-side wall plate, a shroud-side wall that faces the hub-side wall and forms a diffuser path between the shroud-side wall and the hub-side wall, vanes that protrude from the hub-side wall plate into the diffuser path, and an actuator capable of changing the distance between the vanes and the shroud-side wall in accordance with a flow rate of air in the diffuser path. Adjacent ones of the adjacent vanes do not overlap with each other when viewed from a center axis of the compressor. When the actuator maximizes the distance between the vanes and the shroud-side wall, the distance between the vanes and the shroud-side wall is smaller than the distance between the hub-side wall and areas of the shroud-side wall that face the vanes.

FAN FILTER DEVICE

A fan filter device with one or more fan blades substantially comprising a filter media coated or impregnated with a fluid for removing particulates, such as dust and other pollution, from airflow in a wide variety of environments. The fluid has evaporation and viscosity characteristics suitable for maintaining the filter media in a wet condition at the desired speed and temperature of operation. 120.-. (canceled)21. A pass through fan comprising:a plurality of fan blades, extending from a central rotating axis radially to blade ends: a frame having a central opening surrounding said blades and being proximate to said ends, so that air passing through said fan must pass through said opening, at least one of said fan blades being at least partially coated in a particulate attracting liquid attractant fluid which is of sufficient viscosity to remain on said blades during rotation, said fluid thereby attracting particulates and thereby filtering air passing through said opening.22. The fan of wherein said at least some of said blades are wet.23. The fan of wherein said fluid includes a reactant for reacting with gasses passing through said fan thereby preventing damaging gasses from passing therethrough.24. The fan of wherein said fluid is scented.25. The fan of wherein the fluid is a silicone.26. A pass through fan comprising:a plurality of fan blades extending from a central rotating axis radially to blade ends: a frame having a central opening surrounding said blades and being proximate to said ends, so that air passing through said fan must pass through said opening, at least one of said fan blades being porous filter media and being impregnated with a liquid attractant which is of sufficient viscosity to remain on said blades during rotation, said fluid thereby attracting particulates and thereby filtering air passing through said opening.27. The fan of wherein the filter media is porous.28. The fan of wherein the filter media substantially comprises polyethylene. ...

Articulating dust collector for ceiling fan blades

The device includes a substantially cylindrical oblong rigid extension member having a distal end upon which is formed an articulatable jaw structure, and an opposite proximal end including a hand-operable trigger for actuating the jaw structure between open and closed positions. A collector sock made from a pliable sheet material can be mounted upon the jaw structure. The sock has an open end and an opposite closed end. The inner surface of the sock surrounding its open end includes a plush surface which can conform to uneven or embossed surfaces on the fan blades. The sock can be mounted to the paddles of the jaw by folding the opening backward over the paddles to engage fasteners. When the jaw structure is in the open position, the open end of the mounted sock forms a maw for accepting the end of the fan blade therethrough. The maw can be translated over the fan blade until the sock enwraps essentially the entire fan blade. By allowing the jaw structure to return to the closed position, the maw collapses and the closely contacts the top, bottom and edge surfaces of the fan blade. As the closed jaw structure can be withdrawn from the fan blade so that the sock scrapes off and captures dust and other debris from the fan blade.

BLOWER FILTER DEVICE, RESPIRATORY PROTECTION DEVICE, OPERATIONAL INFRASTRUCTURE AND METHOD

A blower filter device includes a blower unit that draws and delivers ambient air; a filter unit that filters a harmful substance, or a filter coupling to couple and uncouple the filter unit. A control unit is configured to actuate the blower unit, to determine an operating state of the blower filter device and/or other respirator system components and/or a respirator system () as a whole and to generate an alarm if a determined operating state indicates a disturbance. An output unit is configured to receive the alarm from the control unit and to output the alarm. A communication interface () is configured for wireless network integration and to transmit the alarm via the network (). A respirator system () with such a blower filter device, an operational infrastructure () with such a respirator system, as well as a method of blower filter operation and operational infrastructure monitoring are provided. 1. A blower filter device for a respirator system , the blower filter device comprising:a blower unit configured to draw in and deliver ambient air;a filter unit configured to filter at least one harmful substance out of the ambient air drawn in and delivered, or a filter coupling for coupling and uncoupling such a filter unit,a control unit configured to actuate the blower unit, to determine an operating state of the blower filter device or to determine an operating state of other components of the respirator system or to determine an operating state of the respirator system as a whole or to determine an operating state of any combination of the blower filter device other components of the respirator system and the respirator system as a whole and to generate an alarm based on a determined operating state indicating a disturbance;an output unit configured to receive the alarm from the control unit and to output the alarm;a communication interface configured to be wirelessly integrated in a network and to transmit the alarm to other participants of the network.2. A ...

SYSTEM FOR MEASURING AIR MASS FLOW INTO A GAS TURBINE

A method for measuring air mass flow into a compressor section of a gas turbine engine is provided. Air is introduced into a chamber upstream from an inlet of the compressor section. The chamber includes filter packages with at least some of the filter packages including a flow sensor and a filter structure, the filter structure filtering the air. The flow sensors measure the velocity of the air flowing through the corresponding filter package. A controller uses the air flow sensor signal data to characterize a two dimensional flow field through the chamber. Additionally, a plurality of temperature, humidity, and static pressure sensors are disposed throughout the filter packages. The controller uses the temperature, humidity, and static pressure sensor signal data to characterize a two dimensional density field through the chamber. The controller combines the flow field with the density field to calculate a two dimensional air mass flow field. 1. A method for measuring an air mass flow into a compressor section of a gas turbine engine , comprising:introducing air into a chamber upstream from an inlet of the compressor section, wherein substantially all of the air introduced into the chamber pass through one of a plurality of filter packages arranged in parallel, at least some of the filter packages including a flow sensor and a filter structure, wherein the filter structure filters the air,utilizing by a controller the air flow sensor signal data to characterize a two dimensional flow field through the chamber;disposing a plurality of sensors, the sensors measuring temperature, humidity and static pressure, distributed throughout the plurality of filter packages;utilizing by the controller the temperature, humidity and static pressure sensor signal data to characterize a two dimensional density field through the chamber;combining by the controller the flow field with the density field to calculate a two dimensional air mass flow field;wherein each flow sensor ...

WATER PUMP BEARING WITH ACTIVE CONDENSATE PURGING SYSTEM

A coolant pump with an integrated shaft bearing (ISB) assembly is provided. The ISB has a bearing housing, and at least one bearing located therein supports a shaft. A bearing seal is connected to the bearing housing at a first axial end and contacts the shaft, and a vent cover is also located at the first axial end to define a vent space between it and the bearing seal. A seal assembly is located between the shaft and the vent cover. A vent insert is located in the vent space and connected for rotation with the shaft. Venting air enters via a vent space inlet connected to the vent space, and is exhausted by a vent space outlet. A generally annular collection cavity is located inside the vent space and connected to the vent space outlet. This allows for active purging of condensate or coolant leakage to protect the bearing. 1. A coolant pump comprising:a pump housing; a bearing housing;', 'at least one bearing located in the bearing housing that supports a shaft that extends through the bearing housing;', 'a bearing seal connected to the bearing housing at a first axial end and contacting the shaft;', 'a vent cover located at the first axial end of the bearing housing, the vent cover extends toward the shaft and defines a vent space between the bearing seal and the vent cover;', 'a seal assembly located between the shaft and the vent cover;', 'a vent insert having a radially extending surface with first and second axial sides located in the vent space and connected for rotation with the shaft;', 'a vent space inlet connected to the vent space, and a vent space outlet connected to the vent space; and', 'a generally annular collection cavity located inside the vent space and connected to the vent space outlet;, 'an integrated shaft bearing assembly located in the pump housing, includingwherein the pump includes an inlet opening in communication with the vent space inlet and an outlet opening in communication with the vent space outlet.2. The coolant pump of claim 1 , ...

ENHANCED AXIAL AIR MOVER SYSTEM WITH GRILL

Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. 1a fan assembly including a propeller and a motor, the propeller coupled to the motor; anda housing assembly including an enclosure, the enclosure having an interior and an exterior, the fan assembly being positioned in the interior, the interior bounded by an inlet and an outlet, the enclosure having an inlet portion extending from the inlet and an outlet portion extending from the outlet, the inlet portion and the outlet portion including holes to receive screws; anda grill guard including support members with slotted end portions, the slotted end portions each having an elongated opening to engage with a different one of the screws coupled with one of the inlet portion and the outlet portion.. An air mover system comprising: 1. Field of the InventionThe present invention is related to axial air movers.2. Description of the Related ArtAir movers are used for such applications as to dry buildings and other structures when accidents have occurred causing areas in the buildings and other structures to become wet. Unfortunately, ...

Propeller Fan and Air Conditioner Equipped with the Same

In order to suppress that a velocity in the vicinity of a bell mouth is lowered to induce non-uniformity in velocity at an outlet of a blade and an outlet of the bell mouth caused by adoption of a forward-swept blade which makes a tip vortex small as means for noise reduction, in a blade of a propeller fan, a trailing edge portion which has been rotationally projected on a plane passing through a rotational axis is formed from the rotational axis toward a blade tip portion so as to bend from the suction side to the discharge side with a first curvature, and is further formed so as to bend with a second curvature which is smaller than the aforementioned first curvature with an inflection point interposed. 1. A propeller fan , comprising:a rotational axis serving as a center of rotation; anda plurality of blades provided around the rotational axis,a bell mouth being arranged outside in an outer radial direction of the plurality of blades, whereineach of the plurality of blades is formed bya trailing edge portion formed on the rear relative to a rotation direction, a leading edge portion formed on the front relative to the rotation direction, a blade tip portion formed from a tip portion in an outer radial direction of the trailing edge portion toward a tip portion in an outer radial direction of the leading edge portion,the trailing edge portion which has been rotationally projected on a plane passing through the rotational axis is formed from the rotational axis toward the blade tip portion so as to bend from the suction side to the discharge side with a first curvature, and further is formed so as to bend with a second curvature which is smaller than the first curvature with an inflection point interposed.2. The propeller fan according to claim 1 , whereinon an end face of the bell mouth which is closest to the blade, a position which is an end portion in a discharge direction and where an angle is changed in an outer radial direction almost matches a position of ...

Integrally Formed Fan Guard

Disclosed are an integrally formed fan guard and its manufacturing method. The fan guard includes a top side and a circumferential side around the outer periphery of the top side, and the top and circumferential sides are formed by a metal plate by a single or multiple stamping and extrusion method. An air hole is formed by stamping at the top side or both of the top and circumferential sides for flowing air, and a central through hole is formed at the center position of the top side. In the manufacturing method, the fan guard is formed by stamping or extruding a steel plate directly by stamping and extrusion equipments. The invention does not require a high welding skill, and the fan guard so manufactured has the advantages of high efficiency, consistency, and pass rate, and thus reducing the production cost significantly. 1. An integrally formed fan guard , comprising:a cover body, which is integrally formed; andan air hole formed on the cover body, for flowing air.2. The integrally formed fan guard of claim 1 , wherein the cover body comprises: a top side with a circular arc surface claim 1 , a plurality of first air holes radially distributed on the top side; and a circumferential side disposed around the outer periphery of the top side claim 1 , and the top side and the circumferential side being integrally formed by a stamping and extrusion method.3. The integrally formed fan guard of claim 2 , further comprising a flange formed at the junction of the top side and the circumferential side.4. The integrally formed fan guard of claim 3 , further comprising a central through hole formed at the center position of the top side claim 3 , and a mounting part is fixed to the central through hole or integrally formed with the central through hole.5. The integrally formed fan guard of claim 4 , wherein the mounting part has an outwardly extended outer periphery claim 4 , an inwardly extended inner periphery and a side coupled to the outer periphery and the inner ...

INDUCED CAVITATION TO PREVENT SCALING ON WELLBORE PUMPS

A downhole production assembly includes a downhole pump that can be positioned at a downhole location in a wellbore, and a cavitation chamber located upstream of an inlet of the downhole pump in the wellbore. The cavitation chamber can induce cavitation in a wellbore fluid pumped in the uphole direction by the downhole pump to prevent scaling on the downhole pump. 1. A downhole production assembly comprising:a downhole pump configured to be positioned at a downhole location in a wellbore; anda cavitation chamber located upstream of an inlet of the downhole pump in the wellbore.2. The downhole production assembly of claim 1 , wherein the cavitation chamber is configured to induce cavitation in a fluid flowed through the downhole pump claim 1 , the cavitation causing scaling products in the fluid to precipitate out of the fluid.3. The downhole production assembly of claim 1 , wherein the cavitation chamber is attached to an inlet of the downhole pump.4. The downhole production assembly of claim 1 , wherein an interior surface of the cavitation chamber is configured to prevent blockage by the precipitated scaling products.5. The downhole production assembly of claim 1 , wherein the cavitation chamber comprises a chemical coating claim 1 , the chemical coating being configured to prevent blockage by the precipitated scaling products.6. (canceled)7. The downhole production assembly of claim 1 , wherein the cavitation chamber comprises an ultrasonic cleaner claim 1 , the ultrasonic cleaner being configured to prevent blockage by the precipitated scaling products.8. The downhole production assembly of claim 1 , wherein the cavitation chamber comprises a rotating cavitator configured to induce the cavitation in the fluid by rotating within the fluid.9. The downhole production assembly of claim 8 , wherein the rotating cavitator is configured to be coupled to a rotating shaft of the downhole pump.10. The downhole production assembly of claim 8 , wherein the rotating ...

REAR GRILL ASSEMBLY FOR BOX FAN

Disclosed is a rear grill assembly for a box fan including a rear grill, an electric motor support positioned on the rear grill by a positioning structure, and a frame arranged on the periphery of the rear grill by a snap structure. The frame includes a bottom cover, a top cover, and two side boards connected between the bottom cover and the top cover. The electric motor support is positioned on the rear grill by the positioning structure so that the electric motor support can be mounted easily and firmly. Thus, shortening the time for mounting the motor support, and improving the efficiency for mounting the rear grill assembly. Moreover, since the bottom cover, the top cover and the two side boards are assembled to form a frame, each part can be produced separately, whereby the difficulty in producing the frame is decreased to a certain extent. 1. A rear grill assembly for a box fan comprising:a rear grill;a positioning structure;a snap structure;an electric motor support located on the rear grill through the positioning structure; anda frame arranged at a peripheral edge of the rear grill through the snap structure, and comprising a bottom cover, a top cover and two lateral plates connected between the bottom cover and the top cover.2. The rear grill assembly for the box fan according to claim 1 , wherein the electric motor support comprises: a plurality of support bodies in a strip shape claim 1 , each support body is located with respect to the rear grill through the positioning structure.3. The rear grill assembly for the box fan according to claim 2 , wherein two support bodies are provided and arranged in parallel to each other claim 2 , each support body extends upwards to an upper edge of the rear grill and downwards to a lower edge of the rear grill claim 2 , an electric motor of the box fan is configured to be fixed between the two support bodies.4. The rear grill assembly for the box fan according to claim 2 , further comprising an electric motor ...

Air mover inlet interface and cover

An air mover assembly comprising: (a) an impeller having an impeller outer diameter and a rotational axis; (b) a motor for driving the impeller; (c) an air mover housing that encloses at least a portion of the impeller and the motor, the air mover housing including: at least one air inlet that receives air when the impeller is rotating and at least one air outlet; and (d) an air mover inlet interface adjoining the at least one air inlet and including: (i) a height, (ii) a wall having a curvature along at least a portion of the height of the air mover inlet interface that extends outward in a direction of air flow, and (iii) an inner diameter; wherein the inner diameter is less than the impeller outer diameter. 112-. (canceled)13. An air mover cover comprising:a grill portion adapted to allow movement of air while preventing objects of a predetermined size from passage; (1) at least one first generally centrally disposed through hole opening having a first geometric shape, and a plurality of radially adjoining through hole openings having a second geometric shape different from the first geometric shape and radially adjoining the generally centrally disposed through hole opening;', '(2) a plurality of connection structures that have a center density in a central region of the grill portion and an adjacent density in regions surrounding the central region, where the center density is higher than the adjacent density when measured using a total length of the connection structure per unit area of each region;', '(3) at least one first generally centrally disposed through hole opening having a first area, and a plurality of radially adjoining through hole openings each having a second area that are each different than the first area; or', '(4) any combination of (1) through (3)., 'wherein the grill portion includes14. The air mover cover of claim 13 , wherein the air mover cover includes a connection portion adapted to connect to an inlet or an outlet of an air mover ...

Fan Blade with Replaceable Microparticle Filter Element

An air filtering device with a replaceable microparticle filter element consists of a rotating blade member, an air filtering panel, a first set of vortex generators, a second set of vortex generators, a receiving channel, and a positioning aperture. The air filtering panel is secured in the positioning aperture that traverses through the rotating blade member. The rotating blade member consists of a fixed end, a free end, a structural body, a top surface, a bottom surface, a leading edge, and a trailing edge. The structural body extends in between the fixed end, the free end, the leading edge, and the trailing edge. Both the first and second set of vortex generators are mounted onto the top surface and along the leading edge for filtering efficiency purposes. 1. A fan blade with replaceable microparticle filter element comprises:a rotating blade member;an air filtering panel;a first set of vortex generators;a second set of vortex generators;a positioning aperture;the rotating blade member comprises a top surface, a bottom surface, a leading edge, a trailing edge, a structural body, a fixed end, and a free end;the structural body extending from the fixed end to the free end;the structural body extending from the leading edge to the trailing edge;the positioning aperture traversing through the top surface and the bottom surface in between the leading edge and the trailing edge;the positioning aperture being positioned in between the fixed end and the free end;the first set of vortex generators and the second set of vortex generators being mounted onto the top surface along the leading edge;the first set of vortex generators being positioned adjacent the fixed end;the second set of vortex generators being positioned adjacent the free end; andthe air filtering panel being removably positioned into the positioning aperture.2. The fan blade with replaceable microparticle filter element as claimed in further comprises:an attachment mechanism;the attachment mechanism ...

Removable mask airflow device

A removable mask airflow device, comprising a first portion constructed and arranged to be positioned at an exterior surface of a facemask, the first portion comprising an opening and at least one flow processing device disposed at the opening and a second portion constructed and arranged to be positioned at an interior surface of the facemask. The at least one flow processing device is configured to process fluid flow through the opening. The second portion is constructed and arranged to couple with the first portion with a portion of the facemask being between the first portion and the second portion.

MOTOR FAN AND GUARD FOR DIRECTING COOLANT AIR

An electric motor assembly includes a stator, a rotor, a motor housing, a rotatable shaft, a radial fan, and an air scoop. The motor housing at least partly houses the stator and rotor and presents an exterior motor surface. The rotatable shaft is associated with the rotor for rotational movement therewith, with the rotatable shaft extending along a rotational axis. The radial fan is mounted on the rotatable shaft exteriorly of the motor housing and is rotatable with the shaft to direct airflow in a radially outward direction. The air scoop extends radially outwardly relative to the radial fan and axially to receive radial airflow from the radial fan and turn the airflow axially to flow along the exterior motor surface. The air scoop includes spaced apart axially extending airflow vanes to guide the airflow as the airflow is turned axially. 1. An electric motor assembly comprising:a stator;a rotor rotatable relative to the stator;a motor housing in which the stator and rotor are at least partly housed, with the motor housing presenting an exterior motor surface;a rotatable shaft associated with the rotor for rotational movement therewith, with the rotatable shaft extending along a rotational axis;a radial fan mounted on the rotatable shaft exteriorly of the motor housing and rotatable with the shaft to direct airflow in a radially outward direction; andan air scoop extending radially outwardly relative to the radial fan and axially to receive radial airflow from the radial fan and turn the airflow axially to flow along the exterior motor surface,said air scoop including spaced apart axially extending airflow vanes to guide the airflow as the airflow is turned axially.2. The electric motor assembly as claimed in claim 1 , further comprising:a fan guard mounted relative to the motor housing and covering at least part of the radial fan,said fan guard including the air scoop.3. The electric motor assembly as claimed in claim 2 ,said motor housing cooperating with the ...

HEATSINK CLAMP FOR MULTIPLE ELECTRONIC COMPONENTS

An electric motor assembly includes a stator, a rotor, a motor housing, a rotatable shaft, a radial fan, and an air scoop. The motor housing at least partly houses the stator and rotor and presents an exterior motor surface. The rotatable shaft is associated with the rotor for rotational movement therewith, with the rotatable shaft extending along a rotational axis. The radial fan is mounted on the rotatable shaft exteriorly of the motor housing and is rotatable with the shaft to direct airflow in a radially outward direction. The air scoop extends radially outwardly relative to the radial fan and axially to receive radial airflow from the radial fan and turn the airflow axially to flow along the exterior motor surface. The air scoop includes spaced apart axially extending airflow vanes to guide the airflow as the airflow is turned axially. 1. A clamp assembly operable to engage at least three heat-generating electrical components arranged side-by-side and clamp the electrical components relative to a heat sink , said clamp assembly comprising:a clamp bar and a fastener to secure the clamp bar to the heat sink,said clamp bar including at least three spaced apart projections configured to be located in engagement with the respective electrical components,said clamp bar including a clamp margin and a backing flange that supports the clamp margin, with the clamp margin defining the projections and presenting a clamping surface,said clamp bar presenting a slot positioned between a spaced apart pair of the projections and defining respective clamp bar sections on opposite sides thereof,said slot extending through the flange to present flange sections separated by the slot and associated with respective clamp bar sections,said slot being spaced from the clamping surface, with the slot permitting the clamp bar sections to shift relative to one another and thereby facilitate clamping engagement of the projections with the electrical components.2. The clamp assembly as ...

Plastic Fan Shroud And Cone Assembly And Method

A manufacturing method and assembly for providing ventilation to a selected structure is disclosed. The assembly may include various features such as flexible portions, rigid portions, and assembly portions. Further, various steps may be used to form the assembly to achieve selected results, such as single piece formation, inclusion of various positioning members, and packaging or shipping considerations. 13.-. (canceled)4. A fan housing assembly for ventilating a structure , the structure being defined in part by an exterior wall , the fan housing comprising:a shroud having a front sidewall to be mounted to the exterior wall of the structure and an orifice wall extending from the front sidewall in a direction away from the exterior wall, the front sidewall defining a passage through the orifice wall; anda conical diffuser extending from the shroud and defined by a plurality of diffuser members configured to be interconnected, wherein each of the plurality of diffuser members includes a plurality of slots on a first side and a plurality of tabs on a second side opposite the first side, wherein the diffuser is coupled to the shroud;at least the diffuser member having a third side extending between the first and second sides, and a fourth side extending between the first and second sides, the third side of the at least the one diffuser member having a first radius and the fourth side of the at least one diffuser member having a second radius, the first radius being different from the second radius;wherein the each of the plurality of diffuser members is substantially flat across a first major surface and a second major surface, where both the first major surface and the second major surface extend between the first side that includes the plurality of slots and the second side that includes the plurality of tabs at least prior to being interconnected with another of the diffuser members.5. The fan housing assembly of further comprising:a grill member having an external ...

DRAINAGE APPARATUS FOR A MOTORCOMPRESSOR

A drainage apparatus for a motorcompressor comprises a first pipe with a first end configured to be inserted in a drainage sump of a motorcompressor; a second end configured to be connected to a duct of a stage of the motorcompressor; a device for generating a pressure difference between said second and said first end so that liquid is taken from said drainage sump and delivered into said duct. 1. A drainage apparatus for a motorcompressor , the drainage compressor comprising:a first pipe comprising a first end configured to be inserted in a drainage sump of a motorcompressor;a second end configured to be fluidly connected to a duct of a stage of said motorcompressor; anda device for generating a pressure difference between said second and said first end so that liquid is taken from said drainage sump and delivered into said duct.2. The drainage apparatus according to claim 1 , wherein said device for generating a pressure difference comprises a second pipe comprising a first end configured to be fluidly connected to a high pressure zone of said motorcompressor; a second end fluidly connected to said first pipe at an intermediate point between said first and second ends.3. The drainage apparatus according to claim 2 , wherein said second end of the second pipe has a convergent portion to decrease the pressure of the process fluid discharged by the second end of the second pipe.4. The drainage apparatus according to claim 1 , wherein said high pressure zone is a downward section of a stage of said motorcompressor.5. The drainage apparatus according to claim 1 , wherein said high pressure zone is a downward section of compression suction.6. The drainage apparatus according to claim 2 , wherein said second end of the second pipe is arranged so that the process fluid discharged from it is directed towards the second end of the first pipe.7. The drainage apparatus according to claim 1 , wherein the second end of the first pipe is placed in fluid communication with an ...

CENTRIFUGAL FAN MODULE AND ELECTRONIC DEVICE USING THE CENTRIFUGAL FAN MODULE

A centrifugal fan module comprising a fan housing and an impeller is provided. The fan housing includes an air inlet and a sidewall. The sidewall is pivotally disposed in the fan housing to rotate in the rotational direction relative to the fan housing. A tongue portion is formed between the sidewall and the impeller, a pressurized region is formed from the tongue portion along the rotational direction to the air outlet, the pressurized region includes a strong airflow region and the dust-discharging hole is in the strong airflow region. 1. A centrifugal fan module , comprising:a fan housing including an air outlet and a sidewall, wherein the sidewall includes a dust-discharging hole; andan impeller pivotally disposed in the fan housing to rotate along a rotational direction relative to the fan housing,wherein a tongue portion is formed between the sidewall and the impeller, a pressurized region is formed from the tongue portion along the rotational direction to the air outlet, the pressurized region includes a strong airflow region, and the dust-discharging hole is in the strong airflow region.2. The centrifugal fan module according to claim 1 , wherein the strong airflow region is an area between a position that the tongue portion rotated by 180 degrees along the rotation direction and the position that the tongue portion further rotated by a predetermined angle θ.3. The centrifugal fan module according to claim 2 , wherein the predetermined angle θ is 40 to 50 degrees.4. The centrifugal fan module according to claim 1 , wherein the sidewall includes a first wall portion and a second wall portion claim 1 , the tongue portion is between the first wall portion and the impeller claim 1 , the dust-discharging hole is between the first wall portion and the second wall portion.5. The centrifugal fan module according to claim 1 , herein the centrifugal fan nodule further includes a dust-discharging flow channel claim 1 , the dust-discharging flow channel is outside the ...

Livestock Blower Apparatus

A livestock blower apparatus for blowing air through a flexible hose onto an animal. A pair of blower units are enclosed within an interior space of a housing. The blower units are adapted to draw air through housing inlet openings and force it through a Y-shaped conduit out through a housing outlet opening without the air coming in contact with the housing interior space. A cooling fan is provided at a housing cooling inlet opening and blows air into the housing interior space. Another cooling fan is provided at a housing cooling outlet opening and draws/blows air out from within the housing interior space. The blower units are thereby protected from the elements and noise generated by them is muffled by the housing, and the blower units are cooled for minimizing the heat that may be transferred to the air being blown onto the animal. 120-. (canceled)21. A blower apparatus for blowing air onto animals comprising:a housing defining an interior space and having first and second working air inlet openings, a working air outlet opening, a cooling air inlet opening and a cooling air outlet opening;first and second blower units wherein each blower unit comprises a fan selectively driven by an electric motor, wherein said fan includes a fan housing having an air inlet and an air outlet and wherein said electric motor is located outside of the fan housing;said first and second blower unit motors are located within said housing interior space whereby said blower unit motors are protected by said housing;said first blower unit fan air inlet communicates with said housing first working air inlet opening;said second blower unit fan air inlet communicates with said housing second working air inlet opening;both said first blower unit fan air outlet and said second blower unit fan air outlet communicate with said housing working air outlet opening, whereby working air is drawn in through said housing first and second working air inlet openings and is forced out through said ...

Gas injection blower

A gas injection blower includes a housing forming a box around the pump chamber, wherein the perimeter of the housing is also formed with a pump chamber communicating air inlet and an exhaust outlet, a fan shaft connected to a drive shaft the form of a rotatable type arranged in the pump chamber, the air inlet, forming a pressurized chamber of the pump flow passage between the fan and air vents and communicate with each other, the drive shaft extending through the shaft connected to a pump outdoor power source, wherein the drive shaft, at least between the inner wall of the frame around the blades and the pump chamber is formed a slit communicating the boost pressure drop of the flow channel, which is housing and forming a gap communicating the pressure drop gas injection passage; with the passage of gas injected into the inner injection cleaning gas pressure, to improve the traditional drop relatively easy accumulation of dust inside the gap problem.

WALL-MOUNTED AND TABLE-TYPE DUAL-PURPOSE FAN

A wall-mounted and table-type dual-purpose fan includes a fan body and a fixing support connected with the fan body and comprising a base, fixing legs fixed to the base and directly placed on an installation surface, a hook and a fixing screw; when the fan needs to be fixed to the installation surface, the hook penetrates through the base and is fixed to the base and the installation surface through the fixing screw. The structure used for fixing and supporting is light and compact, and the fan can be fixed to wall surfaces through only one screw and is easy and convenient to install; furthermore, the fixing legs can adapt to various installation surface conditions and provide good fixing and supporting effects; furthermore, the fan body has an adjustable degree of rotating freedom in two directions, and large adjustable angles and flexible air supply direction selection are achieved. 110-. (canceled)11. A wall-mounted and table-type dual-purpose fan , wherein the fan includes a fan body and a fixing support connected with the fan body; the fixing support includes a base , fixing legs , a hook and a fixing screw; the fixing legs are fixed to the base; the fixing legs can be directly placed on an installation surface; when the fan needs to be fixed to the installation surface , the hook penetrates through the base and is fixed to the base , and the hook is fixed to the installation surface through the fixing screw.12. The wall-mounted and table-type dual-purpose fan according to claim 11 , wherein the fixing legs are each in a long strip shape claim 11 , and when the fan is fixed to the installation surface claim 11 , the ends of the fixing legs make contact with the installation surface to form at least two supporting points.13. The wall-mounted and table-type dual-purpose fan according to claim 12 , wherein the base is of a symmetrical structure claim 12 , and the supporting points are bilaterally symmetrical with the central axis of the base as the datum or are ...

Fan blade cover system

A fan blade cover system that includes: a sleeve adapted to slide onto a fan blade; an opening at one end of the sleeve, where the opening enables the placement of the sleeve over the fan blade; and a fragrance embedded within the sleeve. The fan blade system creates a method of fan blade protection and room deodorizing that includes the steps of: configuring a sleeve for placement over a fan blade; embedding a fragrance embedded into the sleeve; and sliding the sleeve over the fan blade.

ELECTRIC PUMP ASSEMBLY WITH USER-ACCESSIBLE WET SECTION

A centrifugal electric pump assembly, comprising a wet section, which comprises inside it a liquid and/or solid scale remover substance in a position that at least potentially communicates with the wet section. 1. A centrifugal electric pump assembly , comprising a wet section , comprising inside it a liquid and/or solid scale remover substance in a position that at least potentially communicates with said wet section.2. The centrifugal electric pump assembly according to claim 1 , wherein scale remover substance is a tablet.3. The centrifugal electric pump assembly according to claim 1 , wherein said scale remover substance has chelating characteristics with respect to the atoms of the salts contained in the water of said wet section.4. A centrifugal electric pump assembly comprising an electric motor claim 1 , a wet section provided with an intake duct and a delivery duct claim 1 , and an impeller claim 1 , said impeller being keyed on a shaft of said electric motor claim 1 , said electric motor comprising a rotor which is integral with said shaft and a stator contained in a stator receptacle claim 1 , further comprising a scale remover substance between said stator receptacle and said shaft.5. A centrifugal electric pump assembly comprising an electric motor claim 1 , a wet section provided with an intake duct and a delivery duct claim 1 , and an impeller claim 1 , said impeller being keyed on a shaft of said electric motor claim 1 , said electric motor being composed of a stator and a rotor claim 1 , said rotor being integral with said shaft claim 1 , said stator being contained in a receptacle claim 1 , said rotor being comprised between two bushings:a first bushing, arranged proximate to said impeller,a second bushing, arranged opposite said first bushing and located at the end of said shaft that is opposite to the one provided with said impeller,said assembly being further comprising a scale remover substance proximate to said second bushing.6. The electric ...

ENHANCED AXIAL AIR MOVER SYSTEM WITH GRILL

Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover. 1a fan assembly including a propeller and a motor, the propeller coupled to the motor; anda housing assembly including an enclosure, the enclosure having an interior and an exterior, the fan assembly being positioned in the interior, the interior bounded by an inlet and an outlet, the enclosure having an inlet portion extending from the inlet and an outlet portion extending from the outlet, the inlet portion and the outlet portion including holes to receive screws; anda grill guard including support members with slotted end portions, the slotted end portions each having an elongated opening to engage with a different one of the screws coupled with one of the inlet portion and the outlet portion.. An air mover system comprising: 1. Field of the InventionThe present invention is related to axial air movers.2. Description of the Related ArtAir movers are used for such applications as to dry buildings and other structures when accidents have occurred causing areas in the buildings and other structures to become wet. Unfortunately, ...

Removable mechanical circulatory support for short term use

Mechanical circulatory supports configured to operate in series with the native heart are disclosed. In an embodiment, an intravascular propeller is installed into the descending aorta and anchored within via an expandable anchoring mechanism. The propeller and anchoring mechanism may be foldable so as to be percutaneously deliverable to the aorta. The propeller may have foldable blades. The blades may be magnetic and may be driven by a concentric electromagnetic stator circumferentially outside the magnetic blades. The stator may be intravascular or may be configured to be installed around the outer circumference of the blood vessel. The support may create a pressure rise between about 20-50 mmHg, and maintain a flow rate of about 5 L/min. The support may have one or more pairs of contra-rotating propellers to modulate the tangential velocity of the blood flow. The support may have static pre-swirlers and or de-swirlers. The support may be optimized to replicate naturally occurring vortex formation within the descending aorta.

FILTER MOUNTS FOR A PORTABLE FAN AND METHODS FOR MOUNTING A FILTER TO A PORTABLE FAN

A filter frame is removably attachable to a box fan. The filter frame is adapted for receiving a standard HVAC-style filter for removing contaminants from air flow induced by the fan. In this manner, a cost-effective means for filtering a flow of air is provided for residential and commercial settings. The filter frame is adaptable to a variety of standard box fan types of different styles and dimensions. The frame is configured to accommodate standard filters, such as those readily available from retail hardware stores and home centers. 1. A removable filter frame for a fan , comprising:a frame body including opposed first and second side channels, the first and second side channels defining a slot for insertion of an air filter, the slot having an upper end that allows for insertion and removal of an air filter, and a lower end that includes a stop for restricting further movement of an inserted air filter;a first attachment position at the first side channel;a second attachment position at the second side channel;a first elastic band and a second elastic band coupled to the frame body at the first and second attachment positions respectively, the elastic bands constructed and arranged to extend about a portion of a fan chassis so that when installed, tension in the elastic bands operates to secure the frame body to a fan; anda diagonal cross member coupled between the first side channel and the second side channel.2. The apparatus of wherein the elastic bands are removably attached to the frame body at the first and second attachment positions.3. The apparatus of further comprising hooks at proximal ends of the elastic bands to removably attach the elastic bands to the frame body at the first and second attachment positions.4. The apparatus of wherein the elastic bands are fixedly attached to the frame body at the first and second attachment positions.5. The apparatus of further comprising hooks at distal ends of elastic bands constructed and arranged to grasp a ...

COOLING FAN WITH MOVING BAFFLE

A cooling fan includes a frame base including a frame wall, a bottom plate and a cover plate for enclosing and defining a containing space. The vane wheel is installed in the containing space and provided for producing a cooling forced airflow when the vane wheel is in a forward rotation status and forming a strong wind area, and producing a dust discharging forced airflow when the vane wheel is in a reverse rotation status. The moving baffle module is rotably installed in the strong wind area, and the frame base includes a dust discharging opening configured to be corresponsive to the periphery of the strong wind area, and the dust discharging forced airflow is affected by the moving baffle module to discharge dust from the dust discharging opening to the outside. 1. A cooling fan with a moving baffle , provided for discharging dust in the cooling fan , comprising:a frame base, including a frame wall, combined to a bottom plate and a cover plate which are disposed on upper and lower sides of the frame wall respectively, and a containing space enclosed and defined by the frame wall, the bottom plate and the cover plate;a vane wheel, installed in the containing space, and provided for producing a cooling forced airflow when the vane wheel is in a forward rotation status and forming a strong wind area, and producing a dust discharging forced airflow when the vane wheel is in a reverse rotation status; anda moving baffle module, rotably installed in the strong wind area; and the frame base having at least one dust discharging opening configured to be corresponsive to the periphery of the strong wind area, and the dust discharging forced airflow being affected by the moving baffle module to discharge the dust from the dust discharging opening to the outside.2. The cooling fan with a moving baffle as claimed in claim 1 , wherein the moving baffle module comprises a shaft claim 1 , and a baffle axially installed to the shaft and driven by the dust discharging forced ...

SPEAKER FAN SYSTEM AND METHOD

A ventilation assembly having a main housing that can be pre-installed in a wall or ceiling aperture. A fan assembly can be inserted through the aperture and releasably mounted within the main housing. The fan assembly can be removed from the main housing and replaced without removing the main housing from the wall or ceiling. An accessory component can be releasably mounted to the fan assembly either through the aperture when the fan assembly is mounted or prior to installation of the fan assembly. 1. A ventilation assembly , comprising:a main housing having a plurality of housing walls defining an interior space, an inlet opening, and an outlet opening and the inlet opening corresponds to the cross-sectional area of the interior space defined by the housing wall;a fan assembly in the interior space, the fan assembly comprising a fan and a plate, the plate positioned to partition the inlet opening from the outlet opening and defining a fan opening providing a fluid path between the inlet opening and the outlet opening such that the fan assembly is configured to draw air through the inlet opening and the fan opening in the plate and expel air through the outlet opening;a tab on the plate configured to releasably engage a corresponding receptacle in the housing wall; andan acoustic device having a housing and at least one sound emitting device, the acoustic device configured to be releasably secured to the fan assembly;wherein the acoustic device does not block the fan opening of the plate.2. The ventilation assembly of wherein the acoustic device has an accessory mount including the at least one hook element.3. The ventilation assembly of further comprising a positioning mount located on the plate and the hook element is insertable into a receptacle of the positioning mount to position the acoustic device proximate the motor mount plate.4. The ventilation assembly of claim 3 , wherein the accessory component is configured to receive at least one fastener to mount ...

FAN ASSEMBLY

A fan assembly () includes a housing () with an air inlet (), a fan inlet (), and an air outlet (). The fan assembly further includes an impeller () and a motor () configured to drive the impeller, the impeller having a plurality of circumferentially positioned spaced blades (). An air-permeable guard () is positioned between the air inlet and the fan inlet to prevent users from touching the impeller (), and is spaced a first distance () from the fan inlet (), and a second distance from the air inlet () so that a filter () may be provided between the air inlet () and the air-permeable guard (). Preferably, the first distance () is such so as to allow incoming air to at least partially rotate prior to entering the fan inlet. Preferably, the plurality of circumferentially positioned spaced blades () is positioned circumferentially around a domed center () of the impeller (), the domed center () facing the fan inlet (), and the domed center () co-rotates with the spaced blades (). 1. A fan assembly comprising:a housing comprising an air inlet, a fan inlet, and an air outlet;an impeller between the fan inlet and the air outlet the impeller comprising a plurality of circumferentially positioned spaced blades;a motor configured to drive the impeller;an air-permeable guard positioned between the air inlet and the fan inlet to prevent users from touching the impeller, wherein the air-permeable guard is spaced a first distance from the fan inlet, and a second distance from the air inlet, the air-permeable guard having a larger cross-sectional area than a cross-sectional area of the fan inlet, anda filter between the air inlet and the air-permeable guard, the filter having a larger cross-sectional area than the cross-sectional area of the fan inlet,wherein an air flow path between the filter and the fan inlet has a substantially same cross-sectional area that is larger than the cross-sectional area of the fan inlet over a distance that is a least 15 mm.2. The fan assembly of ...

HIGH PRESSURE CYCLONIC SEPARATOR FOR TURBOMACHINERY

The present disclosure generally relates to separating solid particles from an airflow in a gas turbine engine. A separator includes a plurality of vortex chambers arranged about a longitudinal axis of the gas turbine engine, each vortex chamber having a clean air outlet at a first end, a dirty outlet at a second end, and an air inlet transverse to the vortex chamber located at the first end. The separator also includes a sealable collection chamber in fluid communication with the dirty outlet of the each of the plurality of vortex chambers. 1. A separator for separating solid particles from an airflow in a gas turbine engine , comprising:a plurality of vortex chambers arranged about a longitudinal axis of the gas turbine engine, each vortex chamber having a clean air outlet at a first end, a dirty outlet at a second end, and an air inlet transverse to the vortex chamber located at the first end; anda sealable collection chamber in fluid communication with the dirty outlet of the each of the plurality of vortex chambers.2. The separator of claim 1 , wherein the sealable collection chamber is adapted to be sealed during operation of the gas turbine engine.3. The separator of claim 1 , wherein the sealable collection chamber is adapted for venting during at least one of an engine start operation claim 1 , an engine shutdown operation claim 1 , and a cleaning operation.4. The separator of claim 3 , wherein the venting relieves back pressure against the compressor during the engine start operation.5. The separator of claim 3 , wherein each vortex chamber comprises a vortex finder within the vortex chamber separating the air inlet from the clean air outlet.6. The separator of claim 5 , wherein each vortex finder is perforated.7. The separator of claim 5 , wherein each vortex finder separates an outer vortex fed by the respective air inlet from an inner vortex of relatively clean air.8. The separator of claim 1 , wherein the separator is located downstream from a ...

Inlet bleed heat system for use in a turbine engine

An inlet bleed heat (IBH) system for use in a turbine engine including a silencer assembly. The inlet bleed heat (IBH) system includes a feed pipe for delivering compressor discharge air. The feed pipe includes a plurality of orifices along at least a portion of a length of the feed pipe, and each orifice of the plurality of orifices extends through a wall of the feed pipe for allowing the compressor discharge air to exit the feed pipe. The system also includes a heat shielding component that extends across the feed pipe, wherein the heat shielding component is configured to reduce heat transfer between the feed pipe and the silencer assembly of the turbine engine.

PUMPS

A pump assembly and components therefor including an impeller which has flow inducer elements on an inner surface of a front shroud thereof, a flow directing device or strainer having passageways for delivering material to the impeller and at least one flow circulating passageway and a pump casing having an intake section with flow distribution vanes in the region of a feed opening adjacent the intake section. 119-. (canceled)20. A flow directing device for directing material in relation to an adjacent moving impeller , the device including a main body having an inner side and an outer side , a plurality of passageways extending between the inner side and the outer side of the main body , at least one passageway providing for the in use delivery of material to an opening of the impeller and at least one other passageway providing for the in use circulation of a flow of material past the impeller wherein said main body includes a peripheral side wall section and a plurality of concentrically arranged ring shaped elements operatively connected together and operatively connected to the peripheral side wall section , the annular spaces between the ring shaped elements providing for said passageways.21. A flow directing device according to wherein one of said ring shaped elements includes a skirt portion at the outer side of the main body which provides for a partial barrier between a circulation passageway and a delivery passageway.22. A flow directing device which is arranged to direct two material flows of a material containing liquid and particulates in response to the relative movement of an adjacent impeller claim 20 , the device being disposed upstream of the impeller claim 20 , the flows being:a mixing flow in which material is mixed and agitated in response to the movement of the adjacent impeller in use; anda pumping flow in which material is passed through the adjacent impeller in use and pumped to another location.23. A pump casing including:a main body ...

ELECTRIC MACHINE WITH AUXILIARY BLOWER MOUNTING ARRANGEMENT AND/OR MODULAR EXHAUST ASSEMBLY

An electric machine includes a frame and a plurality of electrical components including a rotor assembly and a stator assembly. The electric machine further includes an auxiliary blower mounting arrangement for cooling the electrical components and/or a modular exhaust assembly for noise attenuation, wherein the modular exhaust assembly further has one or more louvers allowing cooling fluid for cooling the electrical components to exit the electric machine. 1. An electric machine comprising:a frame and a plurality of electrical components including a rotor assembly and a stator assembly, an auxiliary blower mounting arrangement for cooling the electrical components by creating an internal fluid flow path between the electrical components and the auxiliary blower mounting arrangement,wherein the auxiliary blower mounting arrangement comprises a blower motor and a motor mount, wherein the blower motor is coupled to the frame and positioned inside the motor mount, and wherein the motor mount comprises a plurality of cooling openings for creating a blower motor fluid flow path for cooling the blower motor.2. The electric machine of claim 1 , wherein the motor mount is adapted as mounting box comprising sheet metal.3. The electric machine of claim 1 , wherein the motor mount is bolted to the frame.4. The electric machine of claim 1 , wherein the motor mount comprises lower cooling openings and upper cooling openings claim 1 , a cooling fluid entering the motor mount through the lower cooling openings and exiting the motor mount through the upper cooling openings thereby creating the blower motor fluid flow path for cooling the blower motor positioned inside the motor mount.5. The electric machine of claim 1 , wherein the auxiliary blower mounting arrangement is arranged on top of an upper surface of the frame.6. The electric machine of claim 5 , wherein the blower motor is arranged vertically inside the motor mount and coupled to the upper surface of the frame by a ...

Dust Capturing System

A dust capturing system for capturing airborne dust when a fan is turned on includes a fan that is coupled to a ceiling. The fan has a plurality of blades and the fan rotates the blades when the fan is turned on. A plurality of socks is provided and each of the socks is positioned around one of the blades. Thus, each of the socks may capture dust when the fan is turned on. 1. A dust capturing system comprising:a fan being coupled to a ceiling, said fan having a plurality of blades, said fan rotating said blades when said fan is turned on; anda plurality of socks, each of said socks being positioned around one of said blades wherein each of said socks is configured to capture dust when said fan is turned on.2. The system according to claim 1 , wherein each of said socks has a first end claim 1 , a second end and an outer wall extending between said first end and said second end claim 1 , said first end of each of said socks being open claim 1 , said first end of each of said socks insertably receiving said distal end of an associated one of said blades claim 1 , each of said socks being positioned to substantially cover said associated blade.3. The system according to claim 1 , further comprising:each of said socks having a first end; anda plurality of elastic members, each of said elastic members being coupled to an associated one of said socks, each of said elastic members being coextensive with said first end of said associated sock.4. The system according to claim 3 , wherein each of said elastic members urges said first end to frictionally engage said associated blade thereby retaining each of said socks on said associated blade.5. A dust capturing system comprising:a fan being coupled to a ceiling, said fan having a plurality of blades, each of said blades having a distal end with respect to said fan, said fan rotating said blades when said fan is turned on;a plurality of socks, each of said socks being positioned around one of said blades wherein each of said ...

MULTIPART HOUSING OF A FAN

The invention concerns a housing of a fan with an external covering, wherein the housing comprises a housing body to accommodate fan components, and a radial exterior face of the housing body is surrounded by the external covering in the circumferential direction over its full surface, so that a radial exterior surface of the housing is formed by an exterior surface of the external covering, and the external covering is detachably fastened to the housing body. 1. A housing of a fan with external covering ,the housing comprises a housing body to accommodate fan components, anda radial exterior face of the housing body is surrounded by the external covering in a circumferential direction over its full surface, so that a radial exterior surface of the housing is formed by an exterior surface of the external covering, and the external covering is detachably attachable to the housing body.2. The housing of a fan as claimed in claim 1 , wherein the external covering is formed from a plurality of segments which are subdivided in the circumferential direction.3. The housing of a fan as claimed in claim 2 , wherein the segments are detachably attached to one another and are arranged substantially edge-free with flush transitions between one another along the exterior surface of the external covering.4. The housing of a fan as claimed in claim 2 , wherein at least one of the plurality of segments is detachably secured to the housing body claim 2 , and at least one segment is detachable from and reattachable to the rest of the segments and the housing body.5. The housing of a fan as claimed in claim 1 , wherein the exterior surface of the external covering is formed free of undercuts.6. The housing of a fan as claimed in claim 1 , wherein a cavity is formed between the housing body and the external covering claim 1 , running in the circumferential direction.7. The housing of a fan as claimed in claim 6 , wherein the cavity is determined by a spacing between the housing body ...

Blade and pump impeller assembly for a dishwasher

A dishwasher comprising a chassis, a tub supported by the chassis and at least partially defining a treating chamber, and a pump that circulates wash liquid in the treating chamber. The pump has an impeller that has a cover, a base with an axis of rotation, and at least one fin protruding from the base. The impeller also has a cap removably coupled to the impeller and at least one blade integrally formed with the cap.

VACUUM PUMP, AND FLEXIBLE COVER AND ROTOR USED IN VACUUM PUMP

The present invention provides a vacuum pump that prevents invasion of foreign matter, such as rust and particles caused by a process gas, during the process of manufacturing a semiconductor wafer, and a flexible cover and a rotor that are used in the vacuum pump. A vacuum pump has a casing that has a gas inlet port and a gas outlet port, a rotor that has a recessed portion opened toward the gas inlet port and is fastened to a rotor shaft by a bolt disposed in the recessed portion. The recessed portion is provided with a flexible cover that has an outer peripheral portion supported on an end surface of the rotor that opposes the gas inlet port, and a central portion caved in the recessed portion of the rotor, the flexible cover covering the recessed portion by elastically deforming into a convex shape toward the recessed portion. 1. A vacuum pump , comprising:a casing that has an inlet port and an outlet port; and a rotor that has a recessed portion opened toward the inlet port and is fastened to a rotor shaft by a bolt disposed in the recessed portion,the vacuum pump further comprising a flexible cover that has an outer peripheral portion supported on an end surface of the rotor that opposes the inlet port, and a central portion caved in the recessed portion of the rotor, the flexible cover covering the recessed portion by elastically deforming into a convex shape toward the recessed portion.2. The vacuum pump according to claim 1 , further comprising a reinforcing cover that is disposed on the flexible cover to support the flexible cover that elastically deforms.3. The vacuum pump according to claim 2 , wherein the reinforcing cover has an outer diameter smaller than an outer diameter of the flexible cover.4. The vacuum pump according to claim 1 , further comprising a flat cover that is disposed adjacent to the flexible cover on the side opposite to the inlet port across the flexible cover claim 1 , and that supports the flexible cover.5. The vacuum pump according ...

Artificial lift

An electric submersible pump (ESP) is described. The ESP includes a stator chamber, a stator within the stator chamber, a rotor, and an electrical connection. The stator chamber is configured to reside in a wellbore. The stator chamber is configured to attach to a tubing of a well. The stator chamber defines an inner bore having an inner bore wall that, when the stator chamber is attached to the tubing, is continuous with an inner wall of the tubing. The rotor is positioned within the inner bore of the stator chamber. The rotor includes an impeller. The rotor is configured to be retrievable from the well while the stator remains in the well. The stator is configured to drive the rotor to rotate the impeller and induce well fluid flow in response to receiving power through the electrical connection.

SYSTEMS AND METHODS FOR TURBINE ENGINE PARTICLE SEPARATION

A turbine engine incorporating a fine particle separation means. The turbine engine includes: a compressor, a diffuser, and a flow path positioned downstream from the diffuser, wherein the flow path comprises an outer annular wall and an inner annular wall between which the compressed air flows, and wherein the flow path comprises an arc that redirects the compressed air from flowing in a substantially radial flow direction to a substantially axial flow direction. The turbine engine further includes an extraction slot in the outer annular wall that fluidly connects with a scavenge plenum, the extraction slot also being positioned downstream axially along the flow path from the arc. The turbine engine further includes an aspiration slot, downstream from the extraction slot, that allows air from the plenum to recirculate back into the flow path. 1. A turbine engine incorporating a fine particle separation means , the turbine engine comprising:a compressor that rotates about an axis, and which compresses air fed thereto;a diffuser located downstream and radially outward, with respect to the longitudinal axis, from the compressor, and which decreases a velocity of and increases a static pressure of the compressed air exiting the radial compressor;a flow path positioned downstream, with respect to the longitudinal axis, from the diffuser, wherein the flow path comprises an outer annular wall and an inner annular wall between which the compressed air flows, and wherein the flow path comprises an arc that redirects the compressed air from flowing in a substantially radial flow direction to a substantially axial flow direction;an extraction slot in the outer annular wall that fluidly connects with a scavenge plenum, the scavenge plenum being positioned adjacent to and radially outward, with respect to the longitudinal axis, from the outer annular wall at a position downstream axially along the flow path from the arc, the extraction slot also being positioned downstream ...

AIR-SENDING DEVICE AND AIR-CONDITIONING APPARATUS

An air-sending device includes a fan and a grille provided downstream of the fan in a direction of airflow generated by the fan. The grille includes a first grille that includes a plurality of first bars spaced from each other, and a second grille that includes a plurality of second bars spaced from each other. The plurality of second bars are more densely arranged than the plurality of first bars. The second grille is provided upstream of the first grille in the direction of the airflow generated by the fan, and spaced from the first grille to face the first grille. 1. An air-sending device comprising:a fan; anda grille provided downstream of the fan in a direction of airflow generated by the fan, a first grille that includes a plurality of first bars spaced from each other, and', 'a second grille that includes a plurality of second bars spaced from each other,, 'wherein the grille includes'}the plurality of second bars are more densely arranged than the plurality of first bars, andthe second grille is provided upstream of the first grille in the direction of the airflow generated by the fan, and spaced from the first grille to face the first grille.2. The air-sending device of claim 1 , wherein where a first area is an arbitrary area of the second grille claim 1 , and a second area is an area of the second grille through which airflow flows at a higher velocity than airflow that passes through the first area claim 1 , of the plurality of second bars claim 1 , second bars located in the second area are more densely arranged than second bars located the first area.3. The air-sending device of claim 1 , wherein the second grille is provided only at an area through which the airflow passes at a velocity higher than a predetermined velocity.4. The air-sending device of claim 1 , wherein where a reference plane is an imaginary plane that is located perpendicular to the direction of the airflow generated by the fan and located to face the second grille and upstream of ...

Liquid treatment apparatus comprising an air trap vessel

A liquid treatment apparatus ( 2 ), comprising a pumping device ( 3 ) configured to pump a liquid ( 4 ) to be treated into at least one treatment chamber ( 6 ) comprising treatment equipment ( 9 ) configured to perform UV-light treatment of the liquid ( 4 ) flowing through the at least one treatment chamber ( 6 ). The liquid treatment apparatus ( 2 ) comprises an air trap vessel ( 5 ) arranged upstream of said pumping device ( 3 ) and provided with an inlet connection ( 22 ) for receiving liquid ( 4 ) to be treated and a first outlet connection ( 24 ) for connection and liquid supply to said pumping device ( 3 ). The air trap vessel ( 5 ) is configured to prevent air bubbles from being sucked into the pumping device ( 3 ) and to be at least partly filled with a priming liquid ( 23 ) before the pumping device ( 3 ) is started and the liquid treatment is initiated, and that the first outlet connection ( 24 ) being arranged below surface level of the priming liquid.

METHOD FOR MEASURING AIR VOLUME OF BLOWER MOTOR

A method for measuring an air volume of a blower motor, including: a) establishing M constant air volume control functions Qi=F(n) corresponding to M air volume points CFMin a microprocessor of a motor controller; b) starting the motor, measuring a real-time rotational speed nand a parameter Qof the motor after the motor runs in a stable state, putting the parameter Qinto the functions Qi=F(n) to obtain multiple rotational speeds n, comparing the real-time rotational speed nwith the multiple rotational speeds ncorresponding to the multiple air volume points CFM, and determining a real-time detected air volume CFMwhich falls within two air volumes CFMand CFM; and c) calculating the real-time detected air volume CFMaccording to the two air volumes CFMand CFMand the rotational speeds nand nusing an interpolation method. 1. A method for measuring an air volume of a blower motor , the method comprising:{'sub': 'i', 'a) establishing M constant air volume control functions Qi=F(n) corresponding to M air volume points CFMin a microprocessor of a motor controller, where Q represents an input power, a DC bus current, or a torque, n represents a rotational speed of a motor, and i represents an integer ranging from 1 to M;'}{'b': 0', '0, 'b) starting the motor, measuring a real-time rotational speed n0 and a parameter Q of the motor after the motor runs in a stable state, putting the parameter Q into the constant air volume control functions Qi=F(n) to obtain multiple rotational speeds ni, comparing the real-time rotational speed n0 with the multiple rotational speeds ni corresponding to the M air volume points CFMi, and determining a real-time detected air volume CFM0 which falls within two air volumes CFMi and CFMi−1; and'}c) calculating the real-time detected air volume CFM0 according to the two air volumes CFMi and CFMi−1 and the rotational speeds ni and ni−1 using an interpolation method.2. The method of claim 1 , wherein an equation for calculating the detected air volume ...

COMPRESSOR SYSTEM, AND ATTACHMENT STRUCTURE FOR CENTRIFUGAL SEPARATOR

Provided is a compressor system including: a first impeller of a compressor for pressure-feeding a fluid radially outward after the fluid has flowed in from an axial direction; a centrifugal separator for feeding externally supplied fluid out toward the first impeller while causing the fluid to swirl; and a casing for sectioning off an inflow channel which guides the fluid from the exterior to the centrifugal separator, a first accommodation space which is disposed downstream from the inflow channel and which accommodates the centrifugal separator, a second accommodation space which is connected to the downstream side of the first accommodation space and which accommodates the first impeller, and a foreign substance expulsion channel which expels foreign substances guided to the outer peripheral side by the centrifugal separator. 1. A compressor system , comprising:a drive part;an impeller for pressure-feeding a fluid radially outward after the fluid has flowed in from an axial direction by rotating around the shaft line via the drive part;a centrifugal separator provided on the upstream side of the impeller and formed to be larger than the outer diameter of the inlet of the impeller, which feeds the externally supplied fluid out toward the impeller while causing the fluid to swirl by rotating around the shaft line via the drive part: anda casing for sectioning off an inflow channel which guides the fluid from the exterior to the centrifugal separator, a first accommodation space which is disposed downstream from the inflow channel and which accommodates the centrifugal separator, a second accommodation space which is connected to the downstream side of the first accommodation space and which accommodates the impeller, and a foreign substance expulsion channel which is connected downstream of the first accommodation space in the axial direction and expels foreign substances guided to the outer peripheral side by the centrifugal separator.2. The compressor system ...

AIR CLEANER, HUMIDIFIER, AND DEODORIZING MACHINE

There are disclosed a novel air cleaner of which the air-cleaning ability per unit volume is improved as compared to conventional air cleaners, and which operates with less power consumption in the case where the novel air cleaner has the same level of performance as a conventional air cleaner; and a humidifier and a deodorizing machine which include the same. The air cleaner includes a disc; a motor for rotating the disc; a filter A which is cylindrical as a whole, which is provided on the disc, and which surrounds an inner-side region including a rotational center of the disc, the filter A being bent into wave-shape such that irregularities of the wave are formed in radial direction of the disc; and at least one type of air resistor which is provided on the disc and provided on either an inner side or an outer side, or both inner and outer sides of the filter A. 1. An air cleaner comprising:a disc;means for rotating the disc;a filter A which is cylindrical as a whole, which is provided on the disc, and which surrounds an inner-side region including a rotational center of the disc, the filter A being bent into wave-shape such that irregularities of the wave are formed in radial direction of the disc; andat least one type of an resistor which is provided on the disc and provided on either an inner side or an outer side, or both inner and outer sides of the filter A.2. The air cleaner of claim 1 , wherein the air resistor is a filter B which is cylindrical as a whole claim 1 , and which is bent into wave-shape such that irregularities of the wave are formed in radial direction of the disc claim 1 , the filter B surrounding an inner-side region including the rotational center of the disc claim 1 , and being provided in an inside of the filter A.3. The air cleaner of claim 2 , wherein the air resistance of the filter B is equal to or lower than the air resistance of the filter A.4. The air cleaner of claim 1 , wherein the air resistor is one or a plurality of vanes ...

PUMP ASSEMBLY AND METHOD OF CONTROLLING A PUMP

A pump assembly with at least one liquid space () in an interior. The liquid space () contains a liquid or is configured for receiving a liquid. A sensor () is arranged in the liquid space (), which sensor is configured to detect at least one material property of the liquid located in the liquid space (). A filter element () is arranged in the interior of the liquid space () such that the filter element () shields the sensor () with respect to the surrounding liquid space (), the filter element () being permeable to the liquid. A method for controlling a pump assembly is also provided. 1. A pump assembly comprising:structure defining an interior with at least one liquid space in the interior, said liquid space being configured to contain a liquid or receive a liquid;a sensor arranged in the liquid space and configured to detect at least one material property of liquid located in the liquid space; anda filter element arranged in the interior of the liquid space to shield the sensor with respect to the surrounding liquid space, the filter element being permeable to the liquid.2. A pump assembly according to claim 1 , wherein said sensor is arranged inside said liquid space such that the sensor is submerged into the liquid contained in the liquid space.3. A pump assembly according to claim 1 , wherein the filter element is configured to decrease an ingress of gas bubbles towards the sensor.4. A pump assembly according to claim 1 , wherein the filter element is configured such that there is no pressure difference across the filter element.5. A pump assembly according to claim 1 , wherein the sensor is a concentration sensor which is configured to detect a concentration of a component in the liquid which is located in the liquid space.6. A pump assembly according to claim 1 , wherein the sensor comprises an ultrasound sensor and/or a capacitance sensor and/or an optical sensor.7. A pump assembly according to claim 1 , wherein the liquid space forms at least a part of a ...

GRILLE FOR VENTILATION APPARATUS

A grille for ventilation apparatus arranged downstream of insufflation elements of a ventilation apparatus, the grille including a grid portion arranged upstream of a stator portion. The insufflation elements may include a fan. The grid portion may include fins which form concentric rings. 1. A grille for ventilation apparatus , arranged downstream of insufflation elements of ventilation devices , comprising a grid portion arranged upstream of a stator portion.2. The grille according to claim 1 , wherein the grid portion and the stator portion form a single air-conducting body.3. The grille according to claim 1 , wherein the grid portion is formed by fins claim 1 , radial and concentric claim 1 , which form concentric rings.4. The grille according to claim 1 , wherein the stator portion is formed by blades that extend radially from a center of the grid to a periphery of the grid claim 1 , having an airfoil profile on both faces or leading edges thereof.5. The grille according to claim 1 , wherein the insufflation elements include a fan claim 1 , the grille further comprising a gap (F) between the fan and a grille nozzle that corresponds to half a difference between an internal diameter of the grille nozzle (d) and an external diameter (D) of the fan.6. The grille according to claim 1 , wherein the grid portion includes fins which form protection rings claim 1 , and wherein an aspect ratio (Z) between a depth of an entry edge (L) and of an exit edge (L) of the protection rings is between 0.1 and 2.0.7. The grille according to claim 1 , wherein the insufflation elements include a fan claim 1 , wherein the grid portion includes fins which form protection rings claim 1 , and wherein a minimum clearance (D) between points of greatest width of two adjacent protection rings varies between 0.1 and 15% of a value of an external diameter (D) of the fan.8. The grille according to claim 1 , wherein the grid portion includes fins claim 1 , and wherein each fin has an entry edge ...

Air-sending device and air-conditioning apparatus using the same

Provided is an air-sending device in which, in blades, an upstream end of a blade outer periphery is more on an upstream side than an upstream end of a blade inner periphery as seen along a rotation axis, and a downstream end of a blade outer periphery is more on a downstream side than a downstream end of the blade inner periphery, and in which, in the blades, when an angle formed by a line segment, which connects a point internally dividing a line segment connecting the downstream end and the upstream end of an outer periphery of the blades along the rotation axis and a point internally dividing a line segment connecting the downstream end and the upstream end of an inner periphery of the blades along the rotation axis at the same ratio to each other, and a reference line is defined as θ, and a direction inclined toward the downstream side is defined as positive, the angle θ is changed from negative to positive at a duct portion.

SELF-CLEANING PUMP

A pump comprising a volute housing, a rotatable shaft, and an impeller. The volute housing comprises a volute cavity side wall, an upper cylindrical wall, and an upper wall. The upper cylindrical wall extends upwardly from an upper perimeter edge and includes an upper recessed notch formed therein. The upper wall extends radially inwardly from the upper cylindrical wall. The rotatable impeller is operatively coupled to the rotatable shaft and comprises a top cylindrical wall and a top flange. The top cylindrical wall extends upwardly from a top perimeter edge of the top flange and includes a top recessed notch formed therein. The top cylindrical wall is separated from the upper cylindrical wall of the volute housing by an upper annular gap. The top recessed notch of the rotatable impeller and the upper recessed notch of the volute housing may be slot-shaped or wedge-shaped. 1. A pump comprising: a volute cavity side wall defining a volute cavity and including an upper region terminating at an upper perimeter edge and a lower region terminating at a lower perimeter edge;', 'an upper cylindrical wall extending upwardly from the upper perimeter edge and including an upper recessed notch formed therein;', 'a lower cylindrical wall extending downwardly from the lower perimeter edge and including a lower recessed notch formed therein;', 'an upper wall extending radially inwardly from the upper cylindrical wall;, 'a) a volute housing comprisingb) a rotatable shaft extending to the upper wall of the volute housing and terminating at a distal end; a side wall, a top flange, and a bottom flange;', 'a top cylindrical wall extending upwardly from a top perimeter edge of the top flange and including a top recessed notch formed therein, the top cylindrical wall separated from the upper cylindrical wall of the volute housing by an upper annular gap;', 'a bottom cylindrical wall extending downwardly from a bottom perimeter edge of the bottom flange and including a bottom recessed ...

GAS COMPRESSOR UNIT FOR OIL WELLS

A compressor unit for oil wells, operating independently from conventional AIB rod pumps, which allows regulated gas extraction to keep the gas pressure constant inside the well and thus allowing the extraction of oil without the inconveniences of traditional pumping systems.

Enhanced axial air mover system with matrix

Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow performance. A floor edge allows for flush positioning of the air mover's outlet to improve flow of air. Various supports and engagement members allow for horizontal and/or vertical engagement of a plurality of the air movers for storage or increased air moving capacity for a given application. An alignment guide assists with positioning of the air mover with respect to a room wall to enhance air flow within the room. A cord retaining system provides an enhanced approach for securing the air mover's electrical cord. Grill guards have slotted ends to assist with assembly of the air mover.

Connector and gas-liquid separator for combined electric submersible pumps and beam lift or progressing cavity pumps

The present invention provides a gas-liquid separator/connector having three concentric tube device made such that flow of fluids from a ESP enters the bottom and are diverted into the largest of the three concentric tubes located as the outside tube. The relatively large space between the inside tube and the outside tube allows for the gas to separate from the liquid. The gas continues to rise to the surface in the tubing-casing annulus. The liquid now can enter by gravity the third tube that is placed outside the inner tube (the tubing) and the large external tube. This third concentric tube is not as long as the large outer tube and is connected at the bottom to become the entrance to the pump intake for the beam pump or PCP. The pump intake for the beam pump or PCP is a part of the smallest inner tube of the connector.

APPARATUS AND METHOD FOR WATER AND ICE FLOW MANAGEMENT IN A GAS TURBINE ENGINE

A compressor of a gas turbine engine includes at least one rotor, and at least one stator, wherein the at least one stator includes a water channel wall located on a surface of the stator, wherein the water channel wall is configured to direct water away from a center line of the turbine engine and is located an offset distance from an outside wall of the compressor, wherein the offset distance is zero percent to twenty percent of the span of the stator. 1. A stator of a compressor of a turbine engine , the stator having a water channel wall located on a surface of the stator , wherein the water channel wall is configured to direct water away from a center line of the turbine engine and is located an offset distance from an outside wall of the compressor , wherein the offset distance is zero percent to twenty percent of a span of the stator.2. The stator of claim 1 , wherein the water channel wall is integrally formed with the stator.3. The stator of claim 1 , wherein the stator is disposed upstream of a bleed port of the turbine engine.4. The stator of claim 1 , wherein the stator is disposed upstream of a combustor of the turbine engine.5. The stator of claim 4 , wherein the stator is an exit guide vane.6. The stator of claim 1 , wherein the water channel wall is disposed on a pressure side of the stator.7. The stator of claim 1 , wherein the water channel wall includes an outer edge angled towards the outside wall.8. The stator of claim 1 , wherein the water channel wall includes an inner edge angled towards the outside wall.9. A method to extract water within a compressor of a turbine engine claim 1 , the method comprising:introducing an airflow to the turbine engine;directing the airflow towards a surface of a stator of the turbine engine; andcapturing a water content of the airflow via a water channel wall located on a surface of the stator of the turbine engine, wherein the water channel wall is located an offset distance from an outside wall of the ...

Blower

A blower includes a mounting base, a motor, an impeller, and an electronic control unit. The motor is mounted to the mounting base from one direction. The impeller is mounted on the motor. The electronic control unit is mounted on the mounting base from an opposite direction. The mounting base defines a through hole. The through hole is axially aligned with a motor shaft to expose an axial end of the motor shaft opposite from the impeller. The electronic control unit comprises a printed circuit board disposed offset from the through hole. 1. A blower comprising:a mounting base defining a through hole;a motor mounted to an upper side of the mounting base and comprising a motor shaft,an impeller mounted on the motor, the through hole of the mounting base being axially aligned with the motor shaft to expose an axial end of the motor shaft opposite from the impeller; andan electronic control unit mounted to a lower side of the mounting base, the electronic control unit comprising a printed circuit board disposed offset from the through hole of the mounting base.2. The blower of claim 1 , wherein the blower further comprises a heat dissipating device configured to dissipate heat of the electronic control unit.3. The blower of claim 2 , wherein the mounting base defines an air entrance claim 2 , and the heat dissipating device is disposed adjacent the air entrance.4. The blower of claim 3 , wherein the blower further comprises a control box claim 3 , and the electronic control unit and the heat dissipating device are both disposed in the control box.5. The blower of claim 4 , wherein the control box is mounted to the lower side of the mounting base claim 4 , and the control box is disposed offset from the through hole.6. The blower of claim 5 , wherein the electronic control unit is mounted in the control box claim 5 , and is mounted to the mounting base through the control box.7. The blower of claim 4 , wherein the mounting base comprises a mounting plate and an ...

FAN PROVIDED WITH STORAGE RACKS

A fan provided with storage racks includes a supporting mechanism, a cylinder on the supporting mechanism, a front net cover and a rear net cover on the front end face and the rear end face of the cylinder correspondingly, fan blades in the cylinder, a motor in the cylinder to drive the fan blades to rotate, and a control device electrically connected with the motor. The storage racks are arranged on the outer wall of the cylinder, used for safely and conveniently storing small articles and conveniently dismounted and mounted and capable of being used more conveniently and folded or spread flatly during packaging and transportation, reducing packaging space, better avoiding collision damage during transportation, reducing packaging and transportation cost, and improving efficiency; furthermore, a rotatable lamp serving as an illuminating tool, line winding bars for sorting and storing power lines, and idler wheels for moving the fan conveniently are provided. 110-. (canceled)11. A fan provided with storage racks , comprising: wherein the fan includes a supporting mechanism , a cylinder installed on the supporting mechanism , a front net cover and a rear net cover arranged on a front end face and a rear end face of the cylinder correspondingly , fan blades arranged in the cylinder , a motor arranged in the cylinder and used for driving the fan blades to rotate , and a control device electrically connected with the motor; the storage racks are further arranged on an outer wall of the cylinder.12. The fan provided with the storage racks according to claim 11 , wherein the fan further includes handles claim 11 , one end of the storage racks is inserted with the cylinder claim 11 , and the other end of the storage racks is erected on the handles.13. The fan provided with the storage racks according to claim 11 , wherein a number of the storage racks is two claim 11 , and the two storage racks are symmetrically arranged on two sides of a top of the cylinder.14. The fan ...

Liquid / gas separator and centrifugal motor compressor unit equipped with such a separator

This liquid/gas separator for centrifugal motor compressor includes a sump internally equipped with at least one gas separator stage suitable to separate a gaseous phase from a liquid phase accepted in the sump entry. The sump internally includes a compartment in which the gaseous phase is separated by a separator stage, and in which is assembled by a compressor stage of the motor compressor.

UREA SOLUTION PUMPING MODULE

A urea solution pump unit includes: a urea solution tank having a mounting hole opened downward; a mounting flange mounted so as to close the mounting hole; a motor pump disposed in a horizontal direction on the mounting flange in the urea solution tank, and configured to suck a urea solution at one side using a pump, and discharge the urea solution to the other side through a space formed between a rotor and a stator of a motor; and a filter installed at an inlet side of the motor pump at an outside of the motor pump. 1. A urea solution pump unit comprising:a urea solution tank having a mounting hole opened downward;a mounting flange mounted to close the mounting hole;a motor pump disposed in a horizontal direction on the mounting flange in the urea solution tank, and configured to draw a urea solution at one side using a pump, and discharge the urea solution to another side through a space formed between a rotor and a stator of a motor; anda filter installed at an inlet side of the motor pump at an outside of the motor pump.2. The urea solution pump unit of claim 1 , further comprising:a heater module having one side and the other side fixed to the mounting flange, and configured to cover the outside of the motor pump, and generate heat using power supplied from the outside.3. The urea solution pump unit of claim 2 , wherein the heater module includes:a guide and a PCT heater mounted in the guide;first and second heater terminals disposed while interposing the PCT heater therebetween, and configured to be supplied with power from the outside; andan exterior molding configured to enclose outsides of the PCT heater, the guide, and the first and second heater terminals.4. The urea solution pump unit of claim 2 , further comprising:a sensor mounting tube penetrating one side of the mounting flange or installed at an outside of the mounting flange, wherein a level sensor and a temperature sensor are disposed in the sensor mounting tube, and a sensor terminal portion, ...

ELECTRIC BLOWER, VACUUM CLEANER, AND HAND DRYER

An electric blower includes a fan, and a board disposed in an airflow path of the fan and including a switching element. The board includes a lead wire projecting into the airflow path. 1. An electric blower comprising:a fan;a motor to drive the fan, the motor being disposed in an airflow path of the fan; anda board disposed in the airflow path of the fan and including a switching element, the board being disposed downstream of the motor in a blowing direction of the fan;wherein the board is disposed to face the motor, andwherein the board includes a lead wire projecting into the airflow path, the lead wire being disposed on a surface of the board on a side opposite a surface of the board facing the fan.2. The electric blower of claim 1 , wherein the lead wire is litz wire.3. (canceled)4. The electric blower of claim 1 , whereina coating of moisture proof material is formed on the surface of the board on which the lead wire is disposed, andthe lead wire is disposed to be exposed from the coating.5. The electric blower of claim 1 , comprising a battery that is a power source for the fan claim 1 ,wherein the board includes an electrolytic capacitor on a side of a central portion of the board opposite the battery.6. (canceled)7. The electric blower of claim 1 , whereinthe motor includes a frame,the airflow path includes a first airflow path outside the frame and a second airflow path inside the frame, andthe board faces the first airflow path and the second airflow path.8. The electric blower of claim 1 , whereinthe board is a first board, andthe electric blower further comprises, downstream of the first board in-a the blowing direction of the fan, a second board including an electronic part.9. A vacuum cleaner comprising:a suction portion including a suction port;a dust collection container to store dust;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the electric blower of , the electric blower sucking air containing dust through the suction portion into the dust ...

SYSTEMS FOR A PUMP SEAL CHAMBER

Various systems are provided for a seal chamber of a centrifugal pump. In one example, a seal chamber housing for a centrifugal pump includes a central cavity internal to the seal chamber housing, the central cavity having a greater diameter at a first end of the seal chamber housing and a smaller diameter at a second end of the seal chamber housing, and at least one flushing passage at the second end of the seal chamber housing. The at least one flushing passage is configured to directly fluidically couple the central cavity to an exterior of the seal chamber housing. In this way, increased cooling and debris removal may be provided to a seal positioned within the seal chamber housing.

Fan Design With An Impact Absorbing Structure

The present invention is related to an improved fan design with an impact absorbing structure. According to an exemplary preferred embodiment, the improved fan design of the present invention preferably includes a lower fan assembly connected to an upper fan assembly using a mounting bracket. According to a further aspect of the present invention, the lower fan assembly preferably may include a fan base having multiple supporting legs which are preferably rotatably connected to the lower fan assembly. According to a further aspect of the present invention, the upper fan assembly of the present invention may include a fan motor and fan blades enclosed within a protective structure. According to a further preferred embodiment, the protective structure of the present invention may preferably include an outer fan cover, a fan grille, an external cage and a perimeter shock absorbing ring extending around the circumference of the outer fan cover. According to a further aspect of the present invention, the perimeter shock absorbing ring may include an inner surface, an inner absorption layer and an outer surface. According to a further aspect of the present invention, the inner absorption layer may preferably include one or more flexible ribs.

INLET FRAME FOR A GAS TURBINE ENGINE

An inlet frame and a method of additively manufacturing the same are provided. The inlet frame includes a forward annular body spaced apart from a rear annular body to define an inlet passageway in fluid communication with a compressor inlet. The inlet frame may define integral wash manifolds and discharge ports for directing a flow of wash fluid directly through the compressor inlet. In addition, inlet frame may define one or more integral annular heating plenums in fluid communication with a hot air source for heating regions of the inlet frame that are prone to icing conditions. 1. An inlet frame for a gas turbine engine , the gas turbine engine defining an axial direction , a radial direction , and a circumferential direction , the gas turbine engine comprising a compressor defining a compressor inlet and being rotatable about the axial direction for pressurizing an airflow , the inlet frame comprising:a forward annular body;a rear annular body spaced apart from the forward annular body to define an inlet passageway in fluid communication with the compressor inlet;an annular wash manifold defining an annular wash plenum;an inlet conduit defining a wash fluid passageway in fluid communication with the annular wash plenum; anda plurality of discharge ports defined by the rear annular body, the plurality of discharge ports providing fluid communication between the annular wash plenum and the inlet passageway.2. The inlet frame of claim 1 , wherein the plurality of discharge ports are positioned radially inward of an intersection between the forward annular body and a forward edge of a first compressor airfoil.3. The inlet frame of claim 1 , wherein a fluid spray line extends between each of the plurality of discharge ports and a midpoint of the compressor inlet along the radial direction claim 1 , the fluid spray line being substantially parallel to the axial direction.4. The inlet frame of claim 1 , wherein the plurality of discharge ports comprises at least three ...

Fan Design with an Impact Absorbing Structure

The present invention is related to an improved fan design with an impact absorbing structure. According to an exemplary preferred embodiment, the improved fan design of the present invention preferably includes a lower fan assembly connected to an upper fan assembly using a mounting bracket. According to a further aspect of the present invention, the lower fan assembly preferably may include a fan base having multiple supporting legs which are preferably rotatably connected to the lower fan assembly. According to a further aspect of the present invention, the upper fan assembly of the present invention may include a fan motor and fan blades enclosed within a protective structure. According to a further preferred embodiment, the protective structure of the present invention may preferably include an outer fan cover, a fan grille, an external cage and a perimeter shock absorbing ring extending around the circumference of the outer fan cover. According to a further aspect of the present invention, the perimeter shock absorbing ring may include an inner surface, an inner absorption layer and an outer surface. According to a further aspect of the present invention, the inner absorption layer may preferably include one or more flexible ribs. 1. An air circulation system , wherein the air circulation system comprises:a lower fan assembly, wherein the lower fan assembly is comprised of a fan base; wherein the fan base is comprised of a plurality of supporting legs; wherein the supporting legs are rotatably mounted to the fan base at a first rotatable mount; wherein each supporting leg is further comprised of second rotatable mount which is configured to allow the supporting legs to fold together; inner fan assembly, wherein the inner fan assembly is comprised of a fan motor;', 'a plurality of fan blades;', 'an outer fan cover;', 'a fan grille, wherein the fan grille is comprised of a plurality of fan veins;', 'perimeter shock absorbing ring, wherein the perimeter shock ...

CENTRIFUGAL COMPRESSOR WITHOUT EXTERNAL DRAINAGE SYSTEM, MOTORCOMPRESSOR AND METHOD OF AVOIDING EXTERNAL DRAINAGE IN A COMPRESSOR

A compressor has a lower inlet with an intake plenum and an upper outlet with a discharge scroll; the compressor includes a plurality of drainage pipes ending at the intake plenum. 1. A centrifugal compressor having a vertical axis , a lower inlet with an intake plenum and an upper outlet with a discharge scroll , wherein the centrifugal compressor comprises a plurality of drainage pipes ending at the intake plenum , and wherein the compressor is configured to process the drained liquid accumulated in the intake plenum.2. The centrifugal compressor of claim 1 , wherein the intake plenum comprises an upper convergent portion claim 1 , and wherein the drainage pipes end at the upper convergent portion.3. The centrifugal compressor of claim 1 , wherein at least the end portions of the drainage pipes are inclined with respect to the vertical axis and/or skew with respect to the vertical axis.4. The centrifugal compressor of claim 1 , wherein the centrifugal compressor comprises a plurality of impellers claim 1 , wherein at least the first impeller is resistant to liquid droplets.5. The centrifugal compressor of claim 1 , wherein a bearing device is located in the intake plenum claim 1 , in particular in an upper convergent portion of the intake plenum claim 1 , for guiding and/or supporting a shaft of the centrifugal compressor.6. The centrifugal compressor of claim 5 , wherein the centrifugal compressor has a casing claim 5 , wherein the bearing device has a housing claim 5 , and wherein the housing is connected to the casing through a plurality of struts.7. The centrifugal compressor of claim 6 , wherein electric wires and/or pipes are associated to the struts.8. The centrifugal compressor of claim 1 , wherein a cylindrical shell is located below the bearing device and covers electric wires.9. A motorcompressor comprising a motor and a centrifugal compressor driven by the motor claim 1 , wherein the centrifugal compressor is according to .10. A method of avoiding ...

Low-profile blowers and methods

A blower configured to be positioned in confined spaces and to provide ventilation of a fluid, such as temperature controlled air, is disclosed. In various embodiments, the blower is configured to have a reduced axial thickness, which can be desired in such confined spaces. In some embodiments, the blower has an integral filter, a wire channel for the routing of one or more wires, and/or an exposed backplate. In some embodiments, the blower has a snap-fit circuit board, containment system for mounting the motor, one or more vanes for directing fluid flow, shrouded impeller, and/or integrated connector.

Scavenge methodologies for turbine engine particle separation concepts

A method for scavenging small particles from a turbine engine includes directing compressed air through a flowpath, downstream of a compressor, which causes a reduction in a radial flow component and the introduction of or an increase in an axial flow component of the compressed air, removing a portion of the compressed air from the flowpath and directing the portion into a scavenge plenum, the scavenge plenum being positioned adjacent to and radially outward from the flow path, and returning the portion of the compressed air from the plenum to the flowpath while maintaining a majority of the small particles that were present in the portion within the scavenge plenum. Further, the method includes removing the majority of small particles from the plenum. The step of removing occurs intermittently during engine operation, during engine shutdown, or while the engine is not operation, but does not occur continuously during engine operation.

VOLUTE PUMP

The present invention relates to a volute pump for delivering a liquid containing fibrous substances. The volute pump includes an impeller () having a vane (), and an impeller casing () which houses the impeller () therein. The impeller casing () includes a volute chamber (), a suction port () and a discharge port () which communicate with the volute chamber (), and a tongue portion () which forms a starting portion of the volute chamber (). A groove (), extending from the suction port () to the volute chamber (), is formed in an inner surface of the impeller casing (). An intersection point (B), where a terminal end of the vane () passes across the groove () as viewed from an axial direction of the impeller (), is located at an opposite side from the tongue portion () with respect to a central point of the impeller (). 1. A volute pump comprising:an impeller having a vane; andan impeller casing which houses the impeller therein;wherein the impeller casing includes a volute chamber, a suction port and a discharge port which communicate with the volute chamber, and a tongue portion which forms a starting portion of the volute chamber,wherein a groove, extending from the suction port to the volute chamber, is formed in an inner surface of the impeller casing, andwherein an intersection point, where a terminal end of the vane passes across the groove as viewed from an axial direction of the impeller, is located at an opposite side from the tongue portion with respect to a central point of the impeller.2. The volute pump according to claim 1 , wherein an angle between a reference line connecting the central point of the impeller with the tongue portion and a line segment connecting the central point of the impeller with the intersection point is in a range of 90 degrees to 270 degrees.3. The volute pump according to claim 2 , wherein the angle between the reference line and the line segment is in a range of 135 degrees to 225 degrees.4. The volute pump according to ...

VOLUTE PUMP

A volute pump for delivering a liquid containing fibrous substances. The volute pump includes an impeller () rotatable together with a rotational shaft (), and an impeller casing () having a suction port () and a volute chamber (). A groove (), extending from the suction port () to the volute chamber (), is formed in an inner surface of the impeller casing (). The impeller () includes a hub () to which the rotational shaft () is fixed, and a sweep-back vane () extending helically from the hub (). The sweep-back vane () includes a leading edge portion () extending helically from the hub (), and a trailing edge portion () extending helically from the leading edge portion (). The leading edge portion () has a front-side curved surface () extending from an inner end () to an outer end () of the leading edge portion (). 1. A volute pump comprising:an impeller rotatable together with a rotational shaft; andan impeller casing having a suction port and a volute chamber;wherein a groove, extending from the suction port to the volute chamber, is formed in an inner surface of the impeller casing, a hub to which the rotational shaft is fixed, and', 'a sweep-back vane extending helically from the hub,, 'the impeller includes'} a leading edge portion extending helically from the hub, and', 'a trailing edge portion extending helically from the leading edge portion, and, 'the sweep-back vane includes'}the leading edge portion has a front-side curved surface extending from an inner end to an outer end of the leading edge portion.2. The volute pump according to claim 1 , wherein a ratio of a radius of curvature of the front-side curved surface to a thickness of the leading edge portion is in a range of 1/7 to 1/2.3. The volute pump according to claim 2 , wherein the ratio of the radius of curvature of the front-side curved surface to the thickness of the leading edge portion is in a range of 1/4 to 1/2.4. The volute pump according to claim 2 , wherein the ratio of the radius of ...

COOLING UNIT

A cooling unit comprising a coolant fluid pathway in which there is (a) a centrifugal pump which serves to pump coolant fluid along the pathway when the unit is in use, and (b) a heat exchanger which serves to cool the coolant fluid which is thus pumped along the pathway. The pump has a rotor constituted by a magnetically contactlessly driven impeller which is provided with at last one magnet and which is enclosed within a housing, and stator outside the housing and provided with at least one electromagnet operable to act on the said at least one magnet to rotate the impeller. 1. A cooling unit comprising a coolant fluid pathway in which there is (a) a centrifugal pump which serves to pump coolant fluid along the pathway when the unit is in use , and (b) a heat exchanger which serves to cool the coolant fluid which is thus pumped along the pathway , characterized in that the pump has a rotor constituted by a magnetically contactlessly driven impeller which is provided with at last one magnet and which is enclosed within a housing , and a stator outside the housing and provided with at least one electromagnet operable to act on the said at least one magnet to rotate the impeller.2. The cooling unit according to claim 1 , characterized in that the impeller is a magnetically levitated impeller so that it may be driven contactlessly.3. The cooling unit according to claim 1 , characterized in that the impeller is fluid-dynamically levitated so that it may be driven contactlessly.4. The cooling unit according to claim 1 , characterized in that the unit is connected for use with coolant within the coolant pathway claim 1 , the coolant fluid comprising water.5. The cooling unit according to claim 4 , characterized in that the coolant comprises water with a bactericide.6. The cooling unit according to claim 4 , characterized in that the coolant comprises water with glycol.7. The cooling unit according to claim 1 , characterized in that the unit further comprises a filter in ...

CENTRIFUGAL ROTARY MACHINE

This centrifugal rotary machine includes an impeller having a disk, blades, and a cover. The centrifugal rotary machine further includes a casing which accommodates the impeller radially inward and forms a gap between an outer circumferential surface of the cover and the casing. The centrifugal rotary machine further includes a sealing device which seals the gap. The casing includes an end wall surface which is disposed to face one axial side of a cover end surface facing one axial side of the cover, extends in the radial direction and forms a radial flow path between the end wall surface and the cover end surface. The casing further includes a foreign matter introduction path which is formed inside the casing and communicates with a radially outer side of the radial flow path. 1. A centrifugal rotary machine comprising:an impeller including a disk formed to have a disc-shape which rotates around an axis, blades which define and form a flow path extending from one axial side toward a radially outer side between each other by being provided at intervals in a circumferential direction on a surface facing one axial side of the disk, and a cover which covers the blades from a radially outer side;a casing which accommodates the impeller radially inward and forms a gap between the casing and an outer circumferential surface of the cover; anda sealing device which seals the gap, an end wall surface which is disposed to face one axial side of a cover end surface facing one axial side of the cover, extends in a radial direction and forms a radial flow path between the end wall surface and the cover end surface, and', 'a foreign matter introduction path which is formed inside the casing and communicates with a radially outer side of the radial flow path., 'wherein the casing includes'}2. The centrifugal rotary machine according to claim 1 , wherein an inner dimension of the foreign matter introduction path in an axial direction of the disk is equal to or larger than an inner ...

GAS SUPPLY APPARATUS

An improved purge gas supply that is less susceptible to the shortcomings of known systems. The disclosure aims to reduce backflow or recirculation of pumped gases into the purge supply apparatus by providing an arrangement where the purge ports on a multistage vacuum pump contains purge gas at sufficient pressure to resist the backflow, particularly when the vacuum pump is operating outside of its ultimate pressure regime. Embodiments of the purge supply apparatus described herein do not necessarily need a non-return valve to resist the unwanted pump gas back-flow. 1. A multistage vacuum pump purge gas supply apparatus , comprising:a gas inlet in fluid communication with a plurality of gas outlets for supplying gas to respective purge ports of a multistage vacuum pump; anda flow controller disposed immediately upstream of the gas outlets, the flow controller comprising an input for receiving gas, a volume for containing gas at a given pressure, and a variable flow restrictor disposed between the volume and each of the outlets,wherein the variable flow restrictor is moveable with respect to the volume to facilitate continuous variance of the flow of gas in proportion to each of the outlets, between a first and second flow rate.2. A multistage vacuum pump purge gas supply apparatus , comprising:a gas inlet in fluid communication with a plurality of gas outlets for supplying gas to respective ports of the multistage vacuum pump; anda flow controller disposed immediately upstream of the gas outlets, the flow controller comprising an input for receiving gas, a manifold defining a volume for containing gas at a given pressure, and a variable flow restrictor disposed between the manifold and the outlets,wherein during operation, the pressure of the gas in the volume is higher than the pressure of the gas within any pump chambers of the multistage vacuum pump at any one of the ports of the multistage pump.3. The apparatus according to claim 2 , wherein the variable flow ...

SPEAKER FAN SYSTEM AND METHOD

A ventilation assembly includes a main housing comprising a first housing wall and a second housing wall, a fan assembly disposed within the main housing, the fan assembly including a fan, and an acoustic device disposed between said first and second housing walls, the acoustic device having a first distal portion, a second distal portion and an intermediate portion extending between the first distal portion and the second distal portion, the first distal portion being relatively wider than the intermediate portion. 1. A ventilation assembly , comprising:a main housing comprising a first housing wall and a second housing wall;a fan assembly disposed within the main housing, the fan assembly including a fan; andan acoustic device disposed between said first and second housing walls, the acoustic device having a first distal portion, a second distal portion and an intermediate portion extending between the first distal portion and the second distal portion, the first distal portion being relatively wider than the intermediate portion.2. The ventilation assembly of claim 1 , the acoustic device being generally U-shaped.3. The ventilation assembly of claim 1 , the first distal portion comprising a diaphragm.4. The ventilation assembly of claim 1 , the second distal portion comprising a diaphragm.5. The ventilation assembly of claim 1 , the first and second housing walls defining a corner of the main housing and the first distal portion being disposed substantially at the corner of the main housing.6. The ventilation assembly of claim 1 , the first and second housing walls defining a corner of the main housing and the first distal portion comprising a diaphragm being disposed substantially at the corner of the main housing.7. The ventilation assembly of claim 1 , the main housing comprising a third housing wall wherein the first and second housing walls define a first corner of the main housing and the second and third housing walls define a second corner of the main ...

FLOW RECTIFIER OF A FAN

The present disclosure relates to a current rectifier for being arranged on the suction area of a ventilator, with an axial initial flow side and an axial exit flow side, wherein the current rectifier comprises several crossing struts formed by at least one circumferential strut and by at least one radial strut, and a pressure measuring conduit is constructed at least in one of the struts and which comprises at least one opening facing the exit flow side, and wherein the pressure measuring conduit comprises a measuring opening for being connected to a measuring line for the connection to a pressure sensor or a pressure sensor is integrated in the pressure measuring conduit. 1. A current rectifier configured for being arranged on the suction area of a ventilator with an axial initial flow side and an axial exit flow side , wherein the current rectifier comprises several crossing struts formed by at least one circumferential strut and by at least one radial strut , and a pressure measuring conduit is constructed at least in one of the struts , which conduit comprises at least one opening facing the exit flow side , and wherein the pressure measuring conduit comprises a measuring opening configured for connection to a pressure sensor.2. The current rectifier according to claim 1 , wherein the measuring opening is configured for connecting a measuring line for the connection to a pressure sensor3. The current rectifier according to claim 1 , wherein a pressure sensor is integrated into the pressure measuring conduit.4. The current rectifier according to claim 1 , wherein several uniformly distributed openings facing the exit flow side are provided.5. The current rectifier according to claim 1 , wherein the pressure measuring conduit is constructed as a circumferential annular conduit in the at least one circumferential strut.6. The current rectifier according to claim 5 , wherein the current rectifier comprises a plurality of circumferential struts claim 5 , and wherein ...

HOLDING SYSTEM

The invention relates to a holding system for a fan comprising a wall ring and a protective grille. A holding system according to the invention for a fan with a protective grille having at least one protective-grille strut arranged in the circumferential direction and comprising a wall ring having a first end face is characterized in that the wall ring has at least one first connecting element on the first end face and the protective grille has at least one second connecting element, whereby the first connecting element can be operatively connected to the second connecting element, and the second connecting element is arranged so as to be sunk in the first end face of the wall ring. 111-.12. A holding system for a fan comprising a protective grille having at least one protective-grille strut arranged in the circumferential direction and comprising a wall ring having a first end face , wherein the wall ring has at least one first connecting element on the first end face and the protective grille has at least one second connecting element , whereby the first connecting element can be operatively connected to the second connecting element , and the second connecting element is arranged so as to be sunk in the first end face of the wall ring , whereby the wall ring also has at least one motor-holding strut and said motor-holding strut has damping teeth with which the at least one protective-grille strut can intermesh.13. The holding system according to claim 12 , wherein the first connecting element has at least one flexible external undercut with an internal undercut claim 12 , whereby the second connecting element can be clicked into the internal undercut.14. The holding system according to claim 13 , wherein the second connecting element is arranged on a radial strut of the protective grille.15. The holding system according to claim 13 , wherein the flexible external undercut is configured as a snap-type hook that acts in the circumferential direction.16. The holding ...

COOLING HOLE CLEANING METHOD AND APPARATUS

Blockages of turbomachine cooling circuit cooling holes resulting from coating processes can be removed by introducing a cleaning agent into the cooling circuit. The cooling circuit can be connected to a cleaning agent supply under pressure, adding force on the blockage to chemical action by the cleaning agent. The cleaning agent is chemically reactive with the coating material and substantially chemically non-reactive with the underlying material of the cooling circuit and other parts of the turbomachine. A neutralization agent can also be introduced to reduce toxicity and/or action of the cleaning agent. A turbomachine cooling hole cleaning method includes introducing a cleaning agent into a cooling circuit of a turbomachine part, pressurizing the cleaning agent in the cooling circuit until a first defined condition is met, and introducing a neutralization agent to the turbomachine part while the cleaning agent is applied to the cooling circuit. 1. A turbomachine cooling hole cleaning method comprising:introducing a cleaning agent into a cooling circuit of a turbomachine part, the cooling circuit having at least one cooling passage with a respective cooling hole;pressurizing the cleaning agent in the cooling circuit until a first defined condition is met; andintroducing a neutralization agent to the turbomachine part while the cleaning agent is applied to the cooling circuit.2. The method of claim 1 , further comprising connecting a first pressurization apparatus to a cleaning agent supply and to the cooling circuit and operating the first pressurization apparatus until the first defined condition is met.3. The method of claim 2 , wherein the neutralization agent includes a compound that is chemically reactive with the cleaning agent so as to substantially neutralize the cleaning agent.4. The method of claim 3 , wherein the introducing of the neutralization agent includes connecting a second pressurization agent to a neutralization agent supply and to a sprayer ...

MODULAR FEED PUMP FOR FLUID MEDIA

A feed pump for fluid media. The feed pump including a pump housing having a suction opening and a pressure opening. The suction opening and/or the pressure opening each have a cutout in a suction-side connecting flange or a pressure-side connecting flange in which various suction fittings or pressure fittings can be mounted. 1. A feed pump for fluid media that comprises a pump housing which has a suction opening and a pressure opening , wherein the suction opening and/or the pressure opening each have a cutout in a suction-side connecting flange or a pressure-side connecting flange in which various suction fittings or pressure fittings can be mounted.2. The feed pump according to claim 1 , wherein the suction opening and the pressure opening each have a cutout in the corresponding connecting flange in which the various suction fittings or pressure fittings can be mounted.3. The feed pump according to claim 1 , wherein the suction fitting or pressure fitting are exchangeably mounted to the corresponding connecting flange.4. The feed pump according to claim 3 , wherein the suction fitting or pressure fitting are screwed to the corresponding connecting flange.5. The feed pump according to claim 1 , wherein the pump housing is mounted on a baseplate that comprises exchangeable spacers.6. The feed pump according to claim 5 , wherein the baseplate has numerous mounting holes for different variations of mounting.7. The feed pump according to claim 1 , wherein the feed pump is designed as a circulating pump for swimming baths or swimming pools.8. The feed pump according to claim 7 , wherein the pump housing comprises an integrated lint trap.9. The feed pump according to claim 8 , wherein the suction opening with the suction-side connecting flange is disposed on the lint trap.10. A filter system for a swimming bath or swimming pool claim 1 , wherein the filter system can be equipped or retrofitted with a feed pump according to .11. A pump set comprising a feed pump ...

MODULAR INTAKE FILTER SYSTEM, APPARATUS AND METHOD

A modular intake filter system, apparatus and method for an artificial lift pump assembly is described. A modular intake filter apparatus comprises at least one modular intake filter comprising a perforated housing supportively engaged to a production pump of an artificial lift assembly, and a porous media cartridge sealed to an exterior of the perforated housing, wherein a porosity of the porous media cartridge is selected to prevent media of a chosen size from entering the production pump, and wherein a number of the at least one modular intake filter in the apparatus is determined by calculating an area of filtration material required by dividing a selected flow rate of pumped fluid by a permeability of the porous media cartridge, and calculating the number of the at least one modular intake filters by dividing the area of filtration material required by a surface area of a single modular intake filter. 1. An electric submersible pumping system comprising a modular intake filter for screening media from well fluid , the system comprising: an intake shaft that transfers horsepower from a seal section to a centrifugal pump of the ESP assembly; and', at least two modular intake filters comprising a perforated housing, each modular intake filter threadedly engaged to an adjacent modular intake filter by a guide; and', 'a porous media cartridge sealed to an exterior of the perforated housing, wherein a porosity of the porous media cartridge is selected to prevent media of a chosen size from entering the centrifugal pump., 'an intake section secured between the seal section and the centrifugal pump by a head on a downstream side and a base on an upstream side, the intake section comprising], 'an electric submersible pump (“ESP”) assembly comprising2. The system of claim 1 , wherein a number of the at least two modular intake filters is determined by:calculating an area of filtration material required by dividing a selected flow rate of pumped fluid by a permeability of ...

GAS TURBINE FAN FAIRING PLATFORM AND METHOD OF FAIRING A ROOT LEADING EDGE OF A FAN BLADE OF A GAS TURBINE ENGINE

A gas turbine fan fairing platform includes at least one body defining a surface and having an opening receptive to a blade, a protrusion extending outwardly from the surface in a direction that will position the protrusion along a leading edge near a root of the blade. 1. A gas turbine fan fairing platform comprising at least one body defining a surface and having an opening receptive to a blade , a protrusion extending outwardly from the surface in a direction that will position the protrusion along a leading edge near a root of the blade.2. The gas turbine fan fairing platform of claim 1 , wherein the at least one body is two bodies each having an opening such that the two bodies can attach to one another and the openings form a continuous border that surrounds the blade.3. The gas turbine fan fairing platform of claim 1 , wherein the two bodies are detachable from one another to allow them to be replaced.4. The gas turbine fan fairing platform of claim 1 , wherein the protrusion has a curved surface that blends into the surface of the at least one body.5. The gas turbine fan fairing platform of claim 1 , wherein the protrusion serves as a fairing for the blade.6. The gas turbine fan fairing platform of claim 1 , wherein the at least one body is made of at least one of a composite claim 1 , a polymeric material claim 1 , and a metal.7. The gas turbine fan fairing platform of claim 1 , wherein the material of the body is more resilient than that of the blade.8. The gas turbine fan fairing platform of claim 1 , wherein the at least one body seals to the blade.9. The gas turbine fan fairing platform of claim 1 , wherein the protrusion improves aerodynamic flow at the root leading edge of the blade in comparison to a platform that does not include the protrusion.10. The gas turbine fan fairing platform of claim 9 , wherein the improved aerodynamics allows the root leading edge of the blade to be thicker without sacrificing performance of a gas turbine engine ...

MISTING FAN

A misting fan system includes a fan and a mister positioned above the fan. The fan includes a motor and a plurality of fan blades operably coupled thereto. Each of the fan blades comprises a base member and a paddle member mated to the base member, and each paddle member comprises an upper surface and a lower surface. A hydrophobic coating may be applied to at least one of the upper surface and the lower surface of the paddle member of at least one of the plurality of fan blades. 1. A misting fan system comprising:a fan including a motor and a fan motor housing, the motor disposed within the fan motor housing, and a plurality of fan blades operably coupled to the motor;a support shaft connected to the fan for supporting the fan above a ground surface; and a mister housing;', 'a manifold assembly disposed within the mister housing, the manifold assembly comprising an inlet for a pressurized liquid, wherein the inlet is configured for fluid communication with a fluid source; and', 'a plurality of nozzles disposed within the mister housing, wherein each of the plurality of nozzles is in fluid communication with the manifold assembly and includes an orifice for spraying the pressurized liquid outwardly from the manifold assembly;', 'wherein the mister housing defines an aperture through which the support shaft extends and wherein the mister housing is coupled to at least one of the fan motor housing or the support shaft., 'a mister positioned above the fan, wherein the mister comprises2. The misting fan system of claim 1 , wherein each of the plurality of fan blades comprises a base member and a paddle member mated to the base member claim 1 , and wherein each paddle member comprises an upper surface and a lower surface.3. The misting fan system of claim 2 , further comprising a hydrophobic coating applied to at least one of the upper surface or the lower surface of the paddle member of at least one of the plurality of fan blades.4. The misting fan system of claim 3 , ...

Centrifugal fan and method for cleaning thereof

The invention relates to a centrifugal fan, comprising an impeller and a housing enclosing the impeller with a medium supply opening and a medium discharge opening, wherein the housing connects the medium supply opening and the medium discharge opening, whereby the housing is adjustable between an open state, in which at least one circumference of the impeller and/or the inside of the housing is substantially completely accessible and a closed condition, in which the housing connects the medium supply opening and the medium discharge opening to a medium-permeable and airtight manner. The invention also relates to a procedure for cleaning such a fan, comprising the steps: (a) setting the fan housing to the open state, whereby the circumference of the impeller and/or the inside of the housing are substantially completely accessible; (b) cleaning of the impeller and/or of the inside of the housing; (c) setting of the housing back to the closed state, whereby the housing connects the medium supply opening and the medium discharge opening to a medium-permeable and air-tight manner.

Flow Locking System and Method

Embodiments of the invention provide a pumping system and method including a flow locking feature. A pump controller includes a user interface configured to initially receive and set a plurality of programmed flow rate settings, a maximum locked flow rate, and a minimum locked flow rate. The pump controller is also configured to disable resetting of the maximum flow rate and the minimum flow rate once they are initially received and set and to allow resetting of the plurality of programmed flow rate settings throughout operation of the pumping system. The pump controller is further configured to operate a pump motor in order to maintain a first flow rate set by one of the plurality of programmed flow rate settings as long as the first flow rate is between the minimum locked flow rate and the maximum locked flow rate. 1. A pumping system for at least one aquatic application , the pumping system comprising:a pump;a motor coupled to the pump; and the pump controller including a user interface configured to initially receive and set a maximum locked flow rate, a minimum locked flow rate, and a plurality of programmed speed settings including a first programmed speed setting,', 'the pump controller configured to disable resetting of the maximum flow rate and the minimum flow rate once they are initially received and set through the user interface,', 'the pump controller configured to allow resetting of the plurality of programmed speed settings throughout operation of the pumping system,', 'the pump controller configured to operate the motor at a first speed set by the first programmed speed setting as long as operating the motor at the first speed maintains a flow rate through the pumping system that is between the minimum locked flow rate and the maximum locked flow rate., 'a pump controller in communication with the motor,'}2. The pumping system of wherein the pump controller is configured to operate the motor at an adjusted speed if operating the motor at the first ...

COMPACT COMPRESSOR INTAKE SYSTEM AND METHOD

A system includes an inlet duct disposed about an inlet axis, wherein the inlet duct is configured to direct an airflow along the inlet axis to a compressor inlet. The inlet includes an inlet heating system and a heating portion having a longitudinal axis that is substantially perpendicular to the inlet axis. The inlet heating system includes a first conduit substantially parallel to the longitudinal axis that is configured to distribute a heated fluid directly to the airflow via a first set of openings of a first end zone of the first conduit and a second set of openings of a second zone of the first conduit. The first end zone is configured to receive the heated fluid from a heating source, the second zone is coupled to the first end zone, and the second zone is configured to receive the heated fluid from the first end zone. 1. A system , comprising: a heating portion comprising a longitudinal axis that is substantially perpendicular to the inlet axis; and', a first end zone comprising a first set of openings of the plurality of openings, wherein the first end zone is configured to receive the heated fluid from a heating source; and', 'a second zone comprising a second set of openings of the plurality of openings, wherein the second zone is coupled to the first end zone and is configured to receive the heated fluid from the first end zone., 'an inlet heating system comprising a first conduit substantially parallel to the longitudinal axis, wherein the first conduit is configured to distribute a heated fluid directly to the airflow via a plurality of openings, wherein the first conduit comprises], 'an inlet duct disposed about an inlet axis, wherein the inlet duct is configured to direct an airflow along the inlet axis to a compressor inlet, wherein the inlet duct comprises2. The system of claim 1 , wherein the inlet duct comprises an expansion joint upstream of the heating portion relative to the airflow through the inlet duct claim 1 , wherein the expansion joint ...