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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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11-07-2017 дата публикации

Гильза цилиндра поршневого компрессора

Номер: RU0000172519U1

ГИЛЬЗА ЦИЛИНДРА ПОРШНЕВОГО КОМПРЕССОРА(57) Заявляемое техническое решение предназначено для использования в поршневых механизмах компрессоров и в других устройствах, обеспечивающих возвратно - поступательное движение различных деталей и узлов машин. Достигается снижение трудоёмкости монтажа и демонтажа гильзы цилиндра в/из компрессора. Гильза содержит наружную цилиндрическую посадочную поверхность, внутреннюю цилиндрическую поверхность. На торце выполнено не менее двух резьбовых отверстий, а на наружной цилиндрической поверхности - не менее двух канавок для уплотнительных колец. Ц 1 172519 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ п | РЦ ‘’ х (50) МПК НОЧВ 39/12 (2006.01) [16 1004 (2006.01) р 7 $ < < #5 оно 4 (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21)(22) Заявка: 2015123304, 17.06.2015 (24) Дата начала отсчета срока действия патента: 17.06.2015 Дата регистрации: 11.07.2017 Приоритет(ы): (22) Дата подачи заявки: 17.06.2015 (45) Опубликовано: 11.07.2017 Бюл. № 20 Адрес для переписки: 353201, Краснодарский край, Динской район, ст-ца Динская, ул. Железнодорожная, 265А, ООО "Тегас", Ежак А.Н. (72) Автор(ы): Ворошилов Игорь Валерьевич (КП) (73) Патентообладатель(и): Общество с ограниченной ответственностью "Гегас" (КО) (56) Список документов, цитированных в отчете о поиске: КП 136508 ЦТ, 10.01.2014. ВЧ 106665 11, 20.07.2011. 50 490990 АТ, 05.11.1975. 59 1495498 А2, 23.07.1989. СМ 1459569 А, 03.12.2003. (54) Гильза цилиндра поршневого компрессора, (57) Реферат: ГИЛЬЗА ЦИЛИНДРА ПОРШНЕВОГО КОМПРЕССОРА (57) Заявляемое техническое решение предназначено для использования в поршневых механизмах компрессоров и в других устройствах, обеспечивающих возвратно - поступательное движение различных деталей и узлов машин. Достигается снижение трудоёмкости монтажа и Стр.: 1 демонтажа гильзы цилиндра в/из компрессора. Гильза содержит наружную цилиндрическую посадочную поверхность, внутреннюю цилиндрическую — поверхность. На торце выполнено не менее ...

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01-07-2019 дата публикации

Цилиндр ступени компрессора

Номер: RU0000190440U1

Предложен цилиндр ступени компрессора, содержащий корпус, в осевом посадочном отверстии которого установлена втулка. Втулка выполнена из антифрикционного материала «антифрикционная втулка», например, из фторопластовой композиции Ф4К15М5, и расположена внутри металлического цилиндра, что позволяет работать цилиндру в диапазоне рабочих температур от -60 до +250°С при высоких давлениях и повысить стойкость материала к деформациям, при этом снижаются потери на трение между поршнем и цилиндром, что позволяет увеличить ресурс работы агрегата, а также получение чистого и сухого сжатого газа. Кроме того, данная втулка обладает клиновидной внутренней поверхностью с запасом на деформацию при сжатии (δ). РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 190 440 U1 (51) МПК F04B 39/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК F04B 39/12 (2019.05) (21)(22) Заявка: 2019108171, 21.03.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 01.07.2019 (45) Опубликовано: 01.07.2019 Бюл. № 19 1 9 0 4 4 0 R U (54) Цилиндр ступени компрессора (57) Реферат: Предложен цилиндр ступени компрессора, содержащий корпус, в осевом посадочном отверстии которого установлена втулка. Втулка выполнена из антифрикционного материала «антифрикционная втулка», например, из фторопластовой композиции Ф4К15М5, и расположена внутри металлического цилиндра, что позволяет работать цилиндру в диапазоне рабочих температур от -60 до +250°С при высоких Стр.: 1 (56) Список документов, цитированных в отчете о поиске: RU 152050 U1, 27.04.2015. SU 302492 A1, 21.04.1971. SU 260802 A1, 06.01.1970. US 2053593 A1, 08.09.1936. давлениях и повысить стойкость материала к деформациям, при этом снижаются потери на трение между поршнем и цилиндром, что позволяет увеличить ресурс работы агрегата, а также получение чистого и сухого сжатого газа. Кроме того, данная втулка обладает клиновидной внутренней поверхностью с запасом на деформацию при сжатии (δ). U ...

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19-01-2012 дата публикации

Compressed Air Device For Allowing The Expeditious Adjustment Of Drive Belts

Номер: US20120014817A1
Принадлежит: PATTON&#39;S MEDICAL LLC

The present invention provides methods and systems for a device for producing compressed air that allows for the expeditious adjustment of a drive belt that includes a base having a substantially triangular shape with at least a first side having a top portion and a bottom portion, a second side having a top portion and a bottom portion, and a third side having a top portion and a bottom portion. The first side, second side, and third side collectively form a cavity therein. A motor is disposed within the cavity of the base and engaged to the first side of the base. A first compressor is slidingly engaged to the second side of the base and a second compressor is slidingly engaged to the third side of the base.

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19-01-2012 дата публикации

Reciprocating compressor

Номер: US20120014821A1
Принадлежит: Panasonic Corp

According to the present invention, a recess ( 25 ) which is induction means is provided in a top end surface ( 24 ) of a piston ( 16 ), the recess ( 25 ) guides working fluid ( 3 ) staying near an inner peripheral surface of a compression chamber ( 13 ) from an outer peripheral edge of the top end surface ( 24 ) toward an opposite position of the top end surface ( 24 ) facing a discharge hole ( 19 ), and the recess ( 25 ) smoothens discharging motion of working fluid ( 3 ) from the discharge hole ( 19 ).

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26-01-2012 дата публикации

Control valve for variable displacement compressor

Номер: US20120020814A1
Принадлежит: Fujikoki Corp

There is provided a control valve for a variable displacement compressor capable of directly connecting a plunger to a valve rod in a relatively easy way, and realizing an improvement in assemblability, reduction in costs, and the like. A connecting cylinder for directly connecting the plunger to the valve rod is provided. The valve rod is provided with a mushroom-like or flange-like part. The connecting cylinder is provided with an elastic locking piece which, by pushing the mushroom-like or flange-like part into the elastic locking piece, is pushed and opened outward in a radial direction so as for the mushroom-like or flange-like part to pass through the elastic locking piece, and which, after the passing of the mushroom-like or flange-like part, is restored to an original shape due to elasticity which the elastic locking piece has, and locks the mushroom-like or flange-like part.

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15-03-2012 дата публикации

Suction and discharge mechanisms for an appliance refrigerant compressor

Номер: US20120063940A1
Принадлежит: General Electric Co

Suction and discharge mechanisms for the compressor of a refrigeration cycle are provided. Two discharge ports for the removal of refrigerant from a compressor are described. Additionally, the present invention can provide a suction valve having an aperture for the flow of refrigerant around and through the suction valve when it is in an open position. As such, the present invention can provide a refrigerant compressor having an improved coefficient of discharge and increased efficiency.

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19-04-2012 дата публикации

Light Weight Crankcase Casting for Compressor

Номер: US20120093665A1
Принадлежит: Carrier Corp

A compressor, as well as a lightweight and strong casting for a compressor, are disclosed. The compressor, which may be a reciprocating compressor for use in compressing high-pressure refrigerants such as CO 2 , includes substantially reduced wall thicknesses (t) compared to prior art castings. The side walls of the compressor can be manufactured to such reduced thicknesses (t) through the use of a bridge spanning across the crankcase. This not only allows the opposing side walls to be manufactured of a thinner material, but the bottom cover removably mounted to the crankcase can be manufactured from a thinner and lighter material as well. Through the use of such a bridge, the resulting compressor is not only able to satisfy current strength requirements, but at significant weight, size and cost savings as well.

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03-05-2012 дата публикации

Sealed compressor with multiple compressor unit

Номер: US20120107158A1
Принадлежит: Individual

A sealed compressor has an outer housing and a separator plate received within the outer housing. The separator plate defines a suction chamber and a discharge pressure chamber within the outer housing. A locating plate is positioned within the suction pressure chamber. The locating plate has a plurality of positioning locations for receiving separate compressor housings. The separator plate has a plurality of positioning openings for receiving the separate compressors. A plurality of compressors are each received within their own housing, and include compressor pump units. The plurality of compressors extend between the openings in the locating plate and through the openings in the separator plate. The separate compressors deliver compressed refrigerant into the discharge pressure chamber.

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12-07-2012 дата публикации

Pump Housing of a Motor Vehicle Hydraulic Unit with at Least One Main Cylinder Connection Opening

Номер: US20120177516A1
Принадлежит: ROBERT BOSCH GMBH

In a pump housing ( 56 ) of a motor vehicle hydraulic unit which has at least one side surface ( 18 ), at least one main cylinder connection opening ( 44; 46 ), at least one pump element opening ( 28, 30 ) and a connecting line ( 58; 60 ) which connects the at least one main cylinder connection opening ( 44; 46 ) to the at least one pump element opening ( 28; 30 ) and is designed as a blind bore into the pump housing ( 56 ), the blind bore of the connecting line ( 58; 60 ) extends, according to the invention, from the at least one side surface ( 18 ) initially through the at least one pump element opening ( 28; 30 ) and subsequently into the at least one main cylinder connection opening ( 44; 46 ).

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19-07-2012 дата публикации

Hybrid Type Air-Compressor Including Combination of Eccentric Shaft and Cross-Slider Mechanism

Номер: US20120180652A1

Disclosed is a hybrid type air-compressor, which has a main body including a cylinder having upper and lower portions, a motor assembly including an eccentric shaft passing through a side surface of the main body to eccentrically rotate in the cylinder, a first communication part covering an upper portion of the cylinder of the main body and introducing air to discharge the air to the upper portion of the cylinder, a second communication part covering a lower portion of the cylinder of the main body and introducing air to discharge the air to the lower portion of the cylinder; and an air compressing means connected to the eccentric shaft of the motor assembly and vertically moving in the cylinder to alternately compress air introduced into the upper and lower portions of the cylinder.

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04-10-2012 дата публикации

Motor-driven compressor

Номер: US20120251350A1
Автор: Ken Suitou, Kosaku Tozawa
Принадлежит: Toyota Industries Corp

A motor-driven compressor comprises a mounting portion for mounting a housing including a fluid compression mechanism to an attachment section of a vehicle. The mounting portion includes a tubular body, a damping member provided integrally with the tubular body and formed from a resin, a fixing member provided integrally with the damping member and mounting the integrated tubular body and damping member to the housing, and a fastening member mounting the tubular body to the attachment section. The damping member is provided to be interposed between the tubular body and the fixing member, and the fixing member is provided to be interposed between the housing and the damping member.

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08-11-2012 дата публикации

Recycled nylon materials for use in refrigeration systems

Номер: US20120282409A1
Автор: Matthew J. Heidecker
Принадлежит: Emerson Climate Technologies Inc

Methods of forming an integral component for a compressor and methods for improving ductility of an integral component for a compressor are provided. The integral component is formed of a recycled nylon and a recycled polypropylene. Recycled carpet is used to provide the recycled nylon and recycled polypropylene. The integral components are useful for heating, ventilation, and air conditioning (HVAC) systems and refrigeration devices.

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06-12-2012 дата публикации

Electronic control valve having an integral non-contact noise mitigation device

Номер: US20120305822A1
Принадлежит: Delphi Technologies Inc

An electronic control valve having a valve stationary portion defining a substantially central bore extending along an axis of the valve, and a valve train including a movable member of the valve. The valve train moveable member is disposed in the central bore, and the valve train is adapted for reciprocal movement along the axis. A mass is engaged is with the valve train and adapted for reciprocal movement along the axis. A biasing means is disposed between the valve train and the mass. Reciprocal movements of the mass along the axis induced by forces exerted along the axis by the valve train are transmitted through the biasing means, whereby reciprocal movement of the valve train along the axis is dynamically reduced by the mass.

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27-12-2012 дата публикации

Gas boosters

Номер: US20120325080A1
Принадлежит: Fluke Corp

One or more examples of the gas boosters described herein aim to provide a light weight gas booster configured to produce high output pressure levels at high volumes. Generally described, one or more examples of the gas boosters reduce the dead volume in a piston assembly, thereby increasing the ratio of the output pressure to the input pressure. In that regard, several examples of the gas boosters disclosed herein have a first check valve as a disk-type check valve or the like and a second check valve as a ball-type check valve or the like. Furthermore, one or more examples include an inwardly acting cam configured to convert rotary motion to reciprocating motion by an inner surface thereof.

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21-03-2013 дата публикации

Electric oil pump

Номер: US20130071267A1
Автор: Junichi Miyaki
Принадлежит: JTEKT Corp

A pump housing of a gear pump and a stator of an electric motor are fastened to each other with bolts via a front insulator. Dowel pins are inserted in respective through-holes that are formed in the front insulator at equal intervals in a circumferential direction so as to be located next to insertion holes for the bolts. Respective end portions of each dowel pin are in contact with a bottom face of the pump housing and a pump-side surface of the stator core, and the pump housing and the front insulator are fixed to each other such that a slight gap is formed between the pump housing and the front insulator.

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28-03-2013 дата публикации

Port closing device for compressor

Номер: US20130075405A1
Принадлежит: Toyota Industries Corp

There is provided a port closing device for a compressor which is fixed to a housing of the compressor by a bolt and includes a packing and a cap. The packing closes a suction port or a discharge port formed in the housing. The packing has a first end, a second end and a peripheral surface formed between the first end and the second end. The first end of the packing has a flat seal portion that is in contact with a surface of the housing surrounding the port. The cap has a holding portion that presses the peripheral surface of the packing for holding the packing, and a pressing portion that presses the second end of the packing. The pressing portion of the cap has therethrough a hole.

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28-03-2013 дата публикации

Compressor

Номер: US20130078126A1
Принадлежит: Tokyu Co Ltd, Toyota Industries Corp

A compressor includes a discharge chamber, compressor chamber, valve plate, and discharge reed valve. The valve plate includes a fixing surface, exposed to the discharge chamber, and a discharge port, which communicates the discharge chamber and the compression chamber. The discharge reed valve includes a fixed portion, fixed to the fixing surface, a base portion, separable from the valve plate, and a valve portion, which closes the discharge port. The valve plate includes an annular seal surface, recessed groove, receiving surface, and support surface. The seal surface contacts the valve portion around the discharge port. The recessed groove is arranged in the fixing surface outward from the seal surface. The receiving surface is flush with the fixing surface and contacts a distal region of the valve portion. The support surface is flush with the fixing surface and contacts a central region of the valve portion.

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04-04-2013 дата публикации

COMPRESSOR

Номер: US20130084201A1
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

A compressor valve structure permits improvement in durability and volumetric efficiency of a compressor and limits power losses. The width of the base portion of each suction reed valve is shorter than the width of the valve flap. The valve base plate has support portions, receiving portions, main coupling portions, and auxiliary coupling portions. Each support portion receives a central area of corresponding one of the valve flaps. The receiving portion receives a distal area of the valve flap. The main coupling portion extends from the support portion and couples the support portion to the receiving portion. The auxiliary coupling portion extends from the support portion. The suction ports are formed through the valve base plate, while leaving the support portions, the receiving portions, the main coupling portions, and the auxiliary coupling portions. 1. A compressor comprising:a valve base plate located between a suction chamber and a compression chamber, wherein a suction port for connecting the suction chamber and the compression chamber with each other is formed in the valve base plate;a suction reed valve, which is elastically deformable and selectively opens and closes the suction port, whereinthe suction reed valve is formed by:a fixed portion that is fixed to a fixing surface, the fixing surface being a surface of the valve base plate that faces the compression chamber;a base portion, which extends in a longitudinal direction of the suction reed valve from the fixed portion, wherein the base portion can be flexed; anda valve flap, which extends from the base portion toward a distal end in the longitudinal direction, wherein the valve flap selectively opens and closes the suction port,the width of the base portion is shorter than the width of the valve flap,the valve base plate has a support portion for supporting a central area of the valve flap, andthe suction port is formed through the valve base plate while leaving the support portion.2. The ...

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02-05-2013 дата публикации

VALVE PLATE FOR A COMPRESSOR

Номер: US20130108493A1
Автор: Chong San Haw, Wan Kok How
Принадлежит: Panasonic Corporation

A valve plate for a compressor, a compressor, and a method of thermal insulation applied in a compressor. The valve plate has a thermally insulating capability for thermally insulating a suction muffler of the compressor from a discharge plenum in a cylinder head of the compressor. 1. A valve plate for a compressor , the valve plate having a thermally insulating capability for thermally insulating a suction muffler of the compressor from a discharge plenum in a cylinder head of the compressor.2. The valve plate as claimed in claim 1 , comprising a first plate element made from thermally insulating material and a second plate element made from metal.3. The valve plate as claimed in claim 2 , wherein the first and second plate elements are joint by one or more of a group consisting of press-fitting claim 2 , injection molding claim 2 , induction heating claim 2 , bonding adhesive claim 2 , and ultrasonic welding.4. The valve plate as claimed in ; wherein the first plate element is disposed to face the discharge plenum.5. The valve plate as claimed in claim 2 , further comprising a third plate element made from metal claim 2 , and the first plate element is sandwiched between the first and second plate elements.6. The valve plate as claimed in claim 5 , wherein the first claim 5 , second and third plate elements are joint by one or more of a group consisting of press-fitting claim 5 , injection molding claim 5 , induction heating claim 5 , bonding adhesive claim 5 , and ultrasonic welding.7. The valve plate as claimed in claim 2 , wherein the first plate element is configured to be received in a recess formed in the second plate element.8. The valve plate as claimed in claim 7 , wherein the recess is formed around a suction orifice in the second plate element.9. The valve plate as claimed in claim 2 , wherein the second plate element comprises a raised portion around a discharge orifice in the second plate element claim 2 , and the first plate element comprises an ...

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09-05-2013 дата публикации

Peristaltic pump assemblies and systems incorporating such pump assemblies

Номер: US20130115120A1
Принадлежит: Medrad Inc

Peristaltic pump assemblies in which the closing and opening of a pivoting or sliding door is coordinated with movement of the occlusion bed toward and away from the rotor assembly to engage and disengage tubing within the occlusion pathway are disclosed. Linkage mechanisms provided by the interaction of cam surfaces with rollers, as well as bar linkage mechanisms, are disclosed. The linkage mechanism, in addition to providing precise displacement of the occlusion bed, may also provide an over-center feature that enhances safety and pump operation when the door is in a closed position. Latching mechanisms and sensors may be incorporated. Adaptive components such as tubing cassettes routing aspiration and/or infusion tubing in a predetermined configuration to mate with occlusion pathways in aspiration and/or infusion pump assemblies provided in various types of medical devices and control consoles are also provided.

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23-05-2013 дата публикации

Oil/water filtration device

Номер: US20130126405A1
Принадлежит: BEKO TECHNOLOGIES GMBH

The invention relates to an oil/water separating device ( 20 ) comprising a main filter ( 30 ) for removing oil-containing components from an oil/water mixture. The device is characterized by an additional mechanical separating device for removing slimy substances from the oil/water mixture.

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23-05-2013 дата публикации

LINEAR COMPRESSOR

Номер: US20130129540A1
Принадлежит:

A linear compressor according to the present invention can prevent leakage of a magnetic force by changing the construction of a linear motor. As the construction of the linear motor is changed, a mechanical spring constant is set smaller in consideration of a magnetic spring constant, so that the size of springs supporting a piston in the reciprocal linear motion direction can be reduced and components supporting the springs can be removed. Therefore, the linear compressor achieves a small size/a light weight. With the characteristics of the linear motor construction, the linear compressor can suppress a stroke spreading influence and easily expand a compression capacity according to a load. 1. A linear compressor , comprising:a fixed member including a cylinder having a compression space defined therein, an inner stator installed on the outside of the cylinder, and an outer stator forming a pole in an air gap from the inner stator; anda moving member including a piston performing reciprocal linear motion into the compression space of the cylinder and compressing an operating fluid introduced into the compression space and a permanent magnet performing reciprocal linear motion with the piston due to a mutual electromagnetic force in the air gap between the inner stator and the outer stator,wherein the permanent magnet is arranged in a plural number along the direction of performing reciprocal linear motion, and N pole and S pole of each permanent magnet are formed opposite to the inner stator and the outer stator.2. The linear compressor of claim 1 , wherein the plurality of permanent magnets arranged along the direction of performing reciprocal linear motion are arranged such that different poles come in contact with each other.3. The linear compressor of claim 1 , wherein the plurality of permanent magnets arranged along the direction of performing reciprocal linear motion are arranged such that different poles adjoin each other.4. The linear compressor of claim ...

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23-05-2013 дата публикации

Compressor

Номер: US20130129546A1
Принадлежит: Tokyu Co Ltd, Toyota Industries Corp

A compressor includes a valve base plate, which is arranged between a suction chamber and a compression chamber and has a suction port. The valve base plate includes a sealing surface, a recessed groove, a receiving surface, and a support surface. The sealing surface is flush with a fixing surface and contacts the valve portion in an annular manner. The recessed groove is located at an outer side of the sealing surface and recessed with respect to the fixing surface. The recessed groove includes a bottom portion and separates an edge portion of the valve portion from the bottom portion. The receiving surface is flush with the fixing surface and capable of contacting a distal zone of the valve portion. The support surface is flush with the fixing surface and capable of contacting a middle zone located at an inner side of the sealing surface of the valve portion.

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20-06-2013 дата публикации

HIGH PERFORMANCE ELECTRONIC STABILITY CONTROL PUMP ASSEMBLY

Номер: US20130156613A1
Принадлежит:

A piston pump assembly for pumping a fluid including a pump housing defining a bore. The pump housing further defines a fluid inlet and a fluid outlet and a fluid flow path extending therebetween for conveying the fluid from the fluid inlet to the fluid outlet. A piston is slidably disposed in the bore of the pump housing, and an eccentric engages the piston to propel the fluid through the fluid flow path. An inlet check valve and an outlet check valve body are disposed in the bore for only allowing the fluid to flow in one direction from the fluid inlet to the fluid outlet. A filter is disposed in the fluid flow path downstream of the inlet check valve and the outlet check valve body and adjacent to a damper orifice for filtering debris from the fluid before the fluid is conveyed to the fluid outlet. 1. A pump assembly for pumping a fluid comprising:a pump housing defining: a bore extending along an axis; a fluid inlet for conveying the fluid into said bore; and a fluid outlet spaced axially from said fluid inlet for dispensing the fluid out of said bore; and presenting a fluid flow path extending from said fluid inlet to said fluid outlet,a piston slidably disposed in said bore of said pump housing for propelling the fluid through said fluid flow path,an eccentric engaging said piston for driving said piston to propel the fluid through said fluid flow path,at least one check valve disposed in said fluid flow path for only allowing the fluid in said fluid flow path to flow in one direction from said fluid inlet to said fluid outlet,a filter disposed in said bore of said pump housing and defining at least one filter orifice for filtering debris from the fluid before the fluid is conveyed to said fluid outlet of said pump housing, andsaid filter being disposed in said fluid flow path downstream of said at least one check valve.2. The assembly as set forth in wherein said filter includes a plurality of filter orifices.3. The assembly as set forth in further including ...

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11-07-2013 дата публикации

CYLINDER ASSEMBLY FOR FLUID WORKING MACHINE

Номер: US20130177464A1
Автор: Stein Uwe
Принадлежит: MITSUBISHI HEAVY INDUSTRIES, LTD.

Disclosed is a cylinder assembly () for a fluid-working machine, the assembly comprising a body () having a first end () and a second end () and comprising a cylinder (), a poppet valve seat () and a face-sealing annular valve seat ). The cylinder is open to the first end and configured to receive a reciprocating piston () and the poppet and annular valve seats extend around an axis through the cylinder. An annular valve including the annular valve seat and an annular valve member extends around the cylinder. Thus, the cylinder assembly is compact. 1. A cylinder assembly for a fluid-working machine , comprising a cylinder body , a first valve having a first valve member and a second , face-sealing annular valve having a second , annular valve member;the body having a first end and a second end and comprising a cylinder, a first valve seat and a second, face-sealing annular valve seat;the cylinder open to the first end and configured to receive a reciprocating piston;the first valve seat extending around a cylinder axis extending between the first and second ends and comprising one or more first valve apertures, the or each first valve aperture extending through the body and in communication with the cylinder and providing a fluid pathway through the body;the second, annular valve seat comprising at least one annular sealing surface and a plurality of apertures for an annular valve, each aperture associated with a said sealing surface;wherein the apertures of the second, annular valve seat are arranged around the axis and in communication with the cylinder, and provide a fluid pathway through the body;the first valve seat and the first valve member together forming the first valve; andthe second, annular valve seat and the second, annular valve member together forming the second, face-sealing annular valve.2. A cylinder assembly according to claim 1 , wherein the body claim 1 , comprising the or each annular valve sealing surface and the or each first sealing surface ...

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01-08-2013 дата публикации

APPARATUS FOR CONTROLLING COMPRESSOR AND REFRIGERATOR HAVING THE SAME

Номер: US20130195677A1
Принадлежит:

A compressor control apparatus, and a refrigerator including the same are provided. Operation of two compressors may be controlled using one inverter, thereby reducing a number of components, increasing compressor capacity, and enhancing operation efficiency of the system. Commonly used switching elements may be switched at an operating frequency, allowing the simultaneous operation of two compressors, reducing switching losses, and improving the efficiency and stability of the system. 1. A compressor control apparatus , comprising:a single inverter including first, second and third pairs of switching elements, wherein the first pair of switching elements is commonly connected to a first compressor and a second compressor, and wherein the three pairs of switching elements are switched in response to a plurality of drive signals respectively corresponding to the three pairs of switching elements; anda controller configured to generate an inverter control signal including the plurality of drive signals based on a load state of the first and second compressors, and to output the inverter control signal to the single inverter, wherein a frequency of a first drive signal of the plurality of drive signals corresponding to the first pair of switching elements is lower than those of drive signals corresponding to the second and third pairs of switching elements.2. The compressor control apparatus of claim 1 , wherein the first drive signal has an operating frequency.3. The compressor control apparatus of claim 2 , further comprising:a converter configured to rectify commercial alternating current power to direct current power;a smoothing unit configured to smoothen and store the rectified direct current power; anda driver configured to receive the inverter control signal and output the plurality of drive signals to the single inverter.4. The compressor control apparatus of claim 3 , wherein the controller is configured such that the drive signals corresponding to the second ...

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08-08-2013 дата публикации

MOTOR-DRIVEN COMPRESSOR

Номер: US20130202461A1
Автор: ENAMI Shingo, Fujii Akio
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

A motor-driven compressor includes a connector-receiving portion provided on the outer surface of a housing. A wiring connection portion is provided in the connector-receiving portion and supplies electricity from an external power source to a motor drive circuit. The wiring connection portion includes a first terminal, a second terminal, and a metal plate for connecting the first and the second terminals to each other. The first and the second terminals have a first end-connection portion and a second end-connection portion, respectively. The second end-connection portion of the first terminal is electrically connected to the external power source, and the second end-connection portion of the second terminal is electrically connected to the motor drive circuit. 1. A motor-driven compressor , comprising:a housing;a compression portion, an electric motor, and a motor drive circuit, which are accommodated in the housing;a connector-receiving portion provided on an outer surface of the housing; anda wiring connection portion provided in the connector-receiving portion, the wiring connection portion being adapted for supplying electricity from an external power source to the motor drive circuit, a first terminal having a first end-connection portion at an end thereof and a second end-connection portion at another end thereof, the second end-connection portion being electrically connected to the external power source,', 'a second terminal having a first end-connection portion at an end thereof and a second end-connection portion at another end thereof, the second end-connection portion being electrically connected to the motor drive circuit, and', 'a metal plate having opposite ends, which are connected to the first end-connection portion of the first terminal and the first end-connection portion of the second terminal, respectively, to connect the first terminal and the second terminal to each other., 'wherein the wiring connection portion includes'}2. The motor-driven ...

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29-08-2013 дата публикации

MOTOR-DRIVEN COMPRESSOR

Номер: US20130224050A1

An object is to provide a motor-driven compressor capable of reducing cost required when a failure occurs in part of components configuring an inverter device. A power substrate assembly is removably fixed to a housing body in an inverter accommodation chamber , and a control substrate assembly and a filter circuit assembly are removably fixed to a cover . Therefore, when the cover is removed from the housing body , the power substrate assembly , the control substrate assembly , and the filter circuit assembly can be independently removed from the housing body or the cover , and new power substrate assembly , control substrate assembly , and filter circuit assembly can be independently mounted on the housing body or the cover 1. A motor-driven compressor comprising:a housing body accommodating a compression mechanism unit and an electric motor that drives the compression mechanism unit;an inverter device converting direct-current power to polyphase alternating current power for supply to the electric motor and controlling a number of revolutions of the electric motor;an inverter accommodation chamber provided to the housing body as having an opening, the inverter accommodation chamber accommodating the inverter device; anda cover blocking the opening and removably provided to the housing body, whereinthe inverter device is configured ofa power unit converting direct-current power to three-phase alternating current power for application to the electric motor,a control unit controlling alternating current power to be applied to the electric motor, anda filter unit including at least one of a capacitor and a coil and suppressing noise of the inverter device,at least one of the power unit, the control unit, and the filter unit is removably fixed to the housing body in the inverter accommodation chamber, andat least another one of the power unit, the control unit, and the filter unit is removably fixed to the cover.2. The motor-driven compressor according to claim 1 , ...

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05-09-2013 дата публикации

FORCE-EQUALIZATION STATIONARY-COIL ACTUATOR FOR FLUID MOVERS

Номер: US20130230419A1
Автор: Lucas Timothy S.
Принадлежит:

A fluid mover includes a first dynamic armature attached to a flexible member and a second dynamic armature attached to a second flexible member. The fluid mover also includes a housing and first and second flexible members being attached to the housing so as to form a fluid chamber volume bounded by the housing and first and second flexible members. A stationary current carrying coil positioned between first and second armatures. The current carried by the coil generates a magnetic force acting on the armatures and wherein coil and armatures are positioned and configured so as to ensure that the instantaneous magnetic force experienced by the two armatures will always be identical regardless of the relative positions of the armatures and regardless of the time varying properties of the current. 1. A fluid mover comprising:a first dynamic armature attached to a flexible member;a second dynamic armature attached to a second flexible member;a fluid mover housing;first and second flexible members being attached to the housing so as to form a fluid chamber volume bounded by the housing and first and second flexible members;a stationary current carrying coil positioned between first and second armatures;wherein the current carried by the coil generates a magnetic force acting on the armatures andwherein coil and armatures are positioned and configured so as to ensure that the instantaneous magnetic force experienced by the two armatures will always be identical regardless of the relative positions of the armatures and regardless of the time varying properties of the current.2. The fluid mover actuator of wherein:a cyclic current waveform having a frequency f is delivered to the coil so as to cause the first and second flexible members to oscillate in opposition to each other at frequency f, thereby imparting energy to the fluid within the fluid chamber.3. The fluid mover actuator of claim 2 , wherein said fluid chamber comprises the fluid chamber of a liquid pump.4. The ...

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26-09-2013 дата публикации

COMPRESSOR AND VACUUM MACHINE

Номер: US20130251564A1
Автор: OKADA Eiji, UEDA Kazuhiro
Принадлежит: SHINANO KENSHI CO., LTD.

A compressor includes: a cylinder; a crankcase; a piston arranged within the cylinder and the crankcase; and an outer rotor type motor causing the piston to reciprocate, wherein the outer rotor type motor comprises: a stator; a coil wound around the stator; a rotational shaft; a yoke connected with the rotational shaft; and a permanent magnet secured to the yoke, and the yoke is formed with an air hole. 1. A compressor comprising:a cylinder;a crankcase;a piston arranged within the cylinder and the crankcase; andan outer rotor type motor causing the piston to reciprocate,wherein a stator;', 'a coil wound around the stator;', 'a rotational shaft;', 'a yoke connected with the rotational shaft; and', 'a permanent magnet secured to the yoke, and the yoke is formed with an air hole., 'the outer rotor type motor comprises2. The compressor of claim 1 , wherein the yoke is formed with a guide portion standing up from an edge of the air hole and assisting air in flowing through the air hole.3. The compressor of claim 2 , wherein the guide portion protrudes toward an opposite side of the stator.4. The compressor of claim 2 , wherein the guide portion protrudes toward the stator.5. The compressor of claim 1 , wherein the yoke is secured to an inside fan facing the yoke and assisting air in flowing through the air hole.6. The compressor of claim 1 , wherein the yoke is secured to an outside fan facing at least a part of the cylinder and arranged radially outward of the yoke.7. The compressor of claim 1 , whereinthe stator is supported by and fitted with a fitting portion formed in the crankcase and is located between the yoke and the crankcase, andthe fitting portion is formed with a cutout portion permitting air to flow between the yoke and the crankcase.8. A vacuum machine comprising:a cylinder;a crankcase;a piston arranged within the cylinder and the crankcase; andan outer rotor type motor causing the piston to reciprocate,wherein a stator;', 'a coil wound around the stator ...

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17-10-2013 дата публикации

Electric compressor

Номер: US20130272907A1
Автор: Takayuki Watanabe
Принадлежит: Mitsubishi Heavy Industries Ltd

An electric compressor includes: an electric motor; a compression mechanism driven by the electric motor; a housing accommodating the electric motor and the compression mechanism; an accommodation part provided on a sidewall of the housing and accommodating a drive circuit for driving the electric motor; a lid contacting the accommodation part and fastened to the accommodation part by a fastening portion; a sealing member sandwiched between the accommodation part and the lid so as to seal between them. The accommodation part has a wall standing from the sidewall of the housing, and a step is provided on a standing end surface of the wall orthogonal to a standing direction of the wall, at a midway position from an inside toward an outside of the accommodation part.

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24-10-2013 дата публикации

SUCTION VALVE FOR A REFRIGERATION COMPRESSOR AND ITS MOUNTING PROCESS

Номер: US20130280113A1
Принадлежит: WHIRLPOOL S.A.

The compressor comprises a valve plate, to be affixed to a compressor block, and a suction valve (V) formed by a spacer body, having a median opening and a flexible vane, which has a fixing end portion provided with a contour, symmetrical or asymmetrical, in relation to a longitudinal axis (X) of the flexible vane and which presents peripheral edge portions to be seated against respective inner edge portions of the median opening for restricting coplanar, linear and angular displacements of the flexible vane in relation to the spacer body upon seating the flexible vane against the valve plate, in the interior of the median opening. 1. A suction valve for a refrigeration compressor of the type which comprises: a compressor block; a valve plate attached to the compressor block and provided with at least one suction orifice; and a suction valve (V) formed , with the same nominal thickness , by a spacer body , provided with a median opening having a continuous inner edge an to be seated on the valve plate , and by a flexible vane , having a peripheral edge with a contour corresponding to the inner edge of the median opening and said flexible vane being formed , along a longitudinal axis (X) , by a fixing end portion , to be seated and secured to the valve plate , in the interior of the median opening , a bending median portion and a sealing end portion , operatively associated with the suction orifice , the suction valve (V) being characterized in that the fixing end portion is provided with peripheral edge portions to be seated against respective inner edge portions of the median opening , in order to restrict coplanar displacement of the fixing end portion in relation to the spacer body , limiting linear and angular displacements , in any direction and sense , of the flexible vane in relation to the spacer body and in the plane of the latter , upon seating the flexible vane against the valve plate , in the interior of said median opening.2. The suction valve claim 1 , ...

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31-10-2013 дата публикации

Hermetic reciprocating compressor

Номер: US20130287603A1
Автор: Seong Jun Park
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A compressor having a simplified structure includes a rotation shaft having a spiral groove formed in an outer circumferential surface of the rotation shaft, and a cap member that accommodates a lower portion of the rotation shaft so that the rotation shaft can rotate in the cap member. The cap member may be fixed to one of a stator and a frame such that the cap member does not rotate together with the rotation shaft. Through the simplified structure, oil stored in a sealing case can ascend, and noise caused by rotation of the rotation shaft can be reduced.

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31-10-2013 дата публикации

Refrigerant Compressor

Номер: US20130287618A1
Принадлежит:

Oil recirculation mechanism includes an oil separation portion (separation chamber , separation pipe ) for separating oil from a discharged refrigerant, oil storage chamber for storing the separated oil, oil return passage through which the oil storage chamber communicates with the suction chamber , and orifice with a filter. The oil storage chamber extends in a diametric direction of a compressor housing and has an open end at an outer face of the housing, and the open end is occluded by an occluding member. A partition wall (bulge portion ), that separates the oil storage chamber from the suction chamber , is disposed in a region more inside than the opening of the open end. An oil return passage is linearly formed through the partition wall and the orifice with a filter is accommodated and positioned in the oil return passage. 1. A refrigerant compressor which includes:a compressing mechanism that compresses a refrigerant drawn from an external refrigerant circuit and discharges the compressed refrigerant; andan oil recirculation mechanism that separates a lubrication oil from the refrigerant discharged from the compressing mechanism and returns the lubrication oil to a suction pressure region of the compressing mechanism,the oil recirculation mechanism comprising:an oil separation portion for separating an oil from the discharged refrigerant;an oil storage chamber for storing the oil separated by the oil separation portion;an oil return passage through which the oil storage chamber communicates with the suction pressure region; anda depressurizing device provided in the oil return passage,wherein the oil storage chamber extends in a diametric direction of a compressor housing and has an open end at an outer face of the housing, and the open end is occluded by an occluding member;wherein a partition wall, that separates the oil storage chamber from the suction pressure region, is disposed in a region more inside than the opening of the open end;wherein a through- ...

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05-12-2013 дата публикации

Fluid End Reinforced With Abrasive Resistant Insert, Coating Or Lining

Номер: US20130319220A1
Принадлежит: SCHLUMBERGER TECHNOLOGY CORPORATION

A fluid end for use in a high-pressure, reciprocating, fluid pump assembly is provided having a bore therethrough in which a plunger reciprocates. The fluid end is provided with an insert to improve the fluid end washout life. In one embodiment, the insert is constructed of a ceramic material. In another embodiment, the insert includes an abrasive resistant coating or lining. 1. A fluid end of a reciprocating pump , comprising:a body portion having a bore therethrough and adapted to receive a reciprocating plunger, the bore having an internal surface;an elastomeric seal member disposed within a recess of the bore; andan insert disposed in the recess of the bore and separating the elastomeric seal member and at least a portion the internal surface of the bore.2. The fluid end of claim 1 , wherein the insert comprises a ceramic material.3. The fluid end of claim 1 , wherein at least a portion of the insert comprises a coating or layer of abrasive resistant material.4. The fluid end of claim 3 , wherein the abrasive resistant material comprises tungsten carbide.5. The fluid end of claim 1 , wherein the insert is in the shape of a sleeve.6. The fluid end of claim 1 , wherein the fluid end further comprises a seal carrier for holding the insert and the elastomeric seal member into the body portion of the fluid end.7. The fluid end of claim 6 , wherein the seal carrier comprises a threaded portion for threadingly engaging a corresponding threaded portion of the body portion of the fluid end.8. The fluid end of claim 6 , wherein the insert is press fit against the seal carrier.9. A fluid pump assembly claim 6 , comprising:a power end; and a body having a horizontal passage, a vertical passage intersecting the horizontal passage, and a discharge passage intersecting the vertical passage;', 'the horizontal passage providing an annular recess portion having a circumferential, internal surface, and a bore to receive a reciprocating plunger;', 'an elastomeric seal member ...

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05-12-2013 дата публикации

Compressed air supply installation and pneumatic system

Номер: US20130320639A1
Принадлежит: WABCO GmbH

The invention relates to a compressed air supply installation ( 10, 10 ′) for operating a pneumatic installation ( 90 ), especially an air suspension installation of a vehicle, comprising the following: an air supply unit ( 0 ) and an air compression unit ( 21 ) for supplying a compressed air supply unit ( 1 ) with compressed air, a pneumatic connection, especially a bleeding line ( 30 ), comprising a bleeding valve and a bleeding port ( 3 ) for bleeding air, and a pneumatic connection, especially a compressed air supply line ( 20 ) having an air drier ( 22 ) and a compressed air port ( 2 ) for supplying the pneumatic installation ( 90 ) with compressed air, the air drier ( 22 ) having a drier container ( 58 ) through which compressed air can flow and which contains a desiccant. According to the invention, the drier container ( 58 ) has a wall forming a desiccant-free recess (G) and at least part of the bleeding valve system is arranged in the recess (G).

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12-12-2013 дата публикации

Discharge silencer for a hermetically encapsulated refrigerant compressor

Номер: US20130330214A1
Принадлежит: ACC Austria GmbH

The invention relates to a discharge silencer ( 6 ) for a hermetically encapsulated refrigerant compressor ( 1 ), which comprises a piston/cylinder unit ( 4 ) that compresses a refrigerant and has a compression chamber ( 3 ) and which is enclosed by a hermetically sealed compressor housing ( 2 ), wherein the compression chamber ( 3 ) is supplied with refrigerant coming from an evaporator through a suction silencer ( 5 ) and discharges refrigerant compressed by the piston/cylinder unit ( 4 ) into a pressure line ( 7 a, b ) through the discharge silencer ( 6 ). According to the invention, the discharge silencer ( 6 ) comprises a main body ( 8 ), on which an inlet flange ( 9 ) for the refrigerant coming from the piston/cylinder unit ( 4 ) is arranged, and an outlet channel ( 10 ), through which the refrigerant can be led into a pressure line ( 7 a, b ) that supplies a condenser with compressed refrigerant. The main body ( 8 ) has four side walls ( 11, 12, 13, 14 ), which each have a longitudinal extension and a width extension that is shorter than the longitudinal extension, wherein the two side walls ( 11, 12 ) having larger areas are opposite each other and are curved in the same direction when viewed in a direction parallel to the longitudinal extension.

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19-12-2013 дата публикации

Compressed air supply apparatus

Номер: US20130333781A1
Автор: Shohji Itadani
Принадлежит: UD Trucks Corp

A compressed air supply apparatus has: an air compressor that compresses an air; and a tank that stores a compressed air discharged from the air compressor and has a supply port to supply the compressed air. Furthermore, at least a part of a piping through which the air compressor communicates with the tank, is cooled by an evaporator of a heat pump of an air conditioner. A high temperature compressed air discharged from the air compressor is cooled by the evaporator to a temperature at which an oil content and a water content are condensed or a lower temperature, so that the oil content and the water content are condensed and adhere to an inner wall of the tank and are removed.

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02-01-2014 дата публикации

DISCHARGE VALVE FOR RECIPROCATING COMPRESSOR

Номер: US20140003986A1
Автор: ELSON John P.
Принадлежит:

A compressor may include a compressor body and a discharge valve assembly coupled to the compressor body. The discharge valve assembly directs discharge gas from the compressor body and between a valve plate and a valve retainer. The discharge valve assembly may include at least one reed valve assembly including a first support guide member, a second support guide member, and a reed assembly. The reed assembly may include a reed and a spring washer disposed between the first and the second support guide members. 1. A compressor comprising:a compressor body; anda discharge valve assembly coupled to the compressor body between a valve plate and a valve retainer and including at least one reed valve assembly including:a first support guide member;a second support guide member; anda reed assembly; said reed assembly including a reed and a spring washer disposed between the first and second support guide members and movable between a closed position wherein the reed engages the valve plate to restrict discharge gas from entering the compressor body and an open position wherein the reed is displaced from the valve plate to permit gas to escape the compressor body through an escape area defined by an outer escape area located between an outer diameter of the reed and the valve plate and an inner escape area located between an inner diameter of the reed and the second support guide.2. The compressor of wherein the escape area is further defined by an upper channel area located between the reed assembly and the first support guide member.3. The compressor of wherein the escape area is further defined by an inner channel area located between the reed assembly and the second support guide.4. The compressor of wherein the reed assembly includes an upper washer that engages the first support guide in the open position.5. The compressor of wherein the first support guide member includes a first central hub and at least three first arms extending therefrom and extending a distance ...

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23-01-2014 дата публикации

Air Pump Cylinder

Номер: US20140023537A1
Автор: Wei-Chi Wang
Принадлежит: Individual

An air pump cylinder has a housing, a cover and an O-ring. The housing includes a connecting tube. The connecting tube has a plurality of projections extending therefrom. The cover is hermetically engaged with the connecting tube of the housing and includes a cap. The cap has an annular sidewall and a plurality of grooves. The grooves are formed in the annular sidewall and each groove has an axial portion and a locking portion. The projections of the connecting tube of the housing are disposed into the axial portions of the grooves and the cover is then rotated to make the projections engage the locking portions of grooves and to make the O-ring tightly clamped between the connecting tube of the housing and the cap of the cover. Therefore, the air pump cylinder can be easily assembled and manufactured without the use of bolts.

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23-01-2014 дата публикации

VANE ROTARY COMPRESSOR

Номер: US20140023538A1
Принадлежит:

Disclosed herein is a vane rotary compressor in which a fluid such as a refrigerant is compressed, with the volume of a compression chamber being reduced during the rotation of a rotor. In addition, disclosed is a vane rotary compressor having a configuration such that a space between a cylinder and a housing is divided into a high-pressure chamber, from which a high-pressure refrigerant is discharged, and an oil storage chamber in which oil included in the refrigerant is separated and stored, and having an oil decompression structure using a gap between a rotor and a head portion. 1. A vane rotary compressor comprising:a hollow cylinder;a housing including a cylinder portion which is formed with a space portion to mount the cylinder, and a first head portion which is formed integrally with the cylinder portion so as to close one axial side of the cylinder portion;a second head portion to close the other axial side of the cylinder portion;a rotor which is mounted within the cylinder and rotates by the power of a drive source;a plurality of vanes which protrudes from an outer peripheral surface of the rotor toward an inner peripheral surface of the cylinder and divides a hollow portion of the cylinder into a plurality of compression chambers;a high-pressure chamber which is formed in one side of the housing, into which a high-pressure refrigerant compressed in each of the compression chambers is discharged, and which is formed with a discharge hole communicating with a discharge port; andan oil storage chamber which is formed in the other side of the housing and stores oil separated by an oil separation pipe provided at the discharge port.2. The vane rotary compressor according to claim 1 , wherein the high-pressure chamber includes a muffler space which is formed to protrude from one side of an outer peripheral surface of the cylinder portion claim 1 , and the discharge hole is formed at one side of the muffler space.3. The vane rotary compressor according to claim ...

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23-01-2014 дата публикации

COMPRESSOR

Номер: US20140023542A1
Принадлежит:

A compressor includes a housing having a discharge chamber into which compressed refrigerant gas is discharged, an oil separation chamber, a passage connecting between the discharge chamber and the oil separation chamber, and an outlet port through which the refrigerant gas passed through the oil separation chamber flows out of the housing; and a cylindrical oil separator provided in the oil separation chamber. The oil separator includes a large-diameter portion, a small-diameter portion, and an intermediate portion formed between the large-diameter portion and the small-diameter portion and tapered toward the small-diameter portion. Plural holes are formed in the periphery of the small-diameter portion of the oil separator. The passage is directed toward the small-diameter portion of the oil separator in such a manner that the refrigerant gas swirls around the small-diameter portion, so that the refrigerant gas from which lubricating oil is separated enters the oil separator through the hole. 1. A compressor , comprising:a housing having a discharge chamber into which compressed refrigerant gas is discharged, an oil separation chamber in which lubricating oil contained in the discharged refrigerant gas is separated, a passage connecting between the discharge chamber and the oil separation chamber, and an outlet port through which the refrigerant gas passed through the oil separation chamber flows out of the housing; anda cylindrical oil separator provided in the oil separation chamber and connected at one end to the outlet port, the oil separator including a large-diameter portion, a small-diameter portion having a smaller diameter than the large-diameter portion, and an intermediate portion formed between the large-diameter portion and the small-diameter portion and tapered toward the small-diameter portion,wherein plural holes are formed in the periphery of the small-diameter portion of the oil separator, and the passage is directed toward the small-diameter ...

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30-01-2014 дата публикации

SPRING ELEMENT AND CORRESPONDING PISTON PUMP FOR DELIVERING FLUIDS

Номер: US20140030125A1
Принадлежит: ROBERT BOSCH GMBH

A spring element includes a disc-shaped basic body, in which at least one spring bridge is inserted. The basic body has at least one dynamic throttle point to throttle a fluid flow. The basic body has a resilient configuration in a region of the at least one throttle point. Accordingly, an opening cross section of the at least one throttle point is configured to be set variably depending on a pressure difference. 1. A spring element comprising:a disk-shaped basic body; andat least one spring member formed in the basic body,wherein the basic body includes at least one dynamic throttle point configured to throttle a fluid flow, andwherein the basic body has a resilient configuration in a region of the at least one throttle point such that an opening cross section of the at least one throttle point is variably adjustable as a function of a pressure difference.2. The spring element as claimed in claim 1 , wherein:the basic body has in the region of the at least one throttle point at least one spring arm configured to determine the opening cross section, andthe spring arm is configured to adjust the opening cross section of the at least one throttle point as a function of the pressure difference.3. The spring element as claimed in claim 1 , wherein the at least one throttle point has at least one of a minimum opening cross section and a maximum opening cross section which is independent of the pressure difference.4. The spring element as claimed in claim 1 , wherein the at least one spring member has at least one of an arcuate configuration and a spiral-shaped configuration.5. The spring element as claimed in claim 1 , wherein at least one of selected spring characteristics claim 1 , a selected structural shape of the basic body claim 1 , and a selected structural shape of the at least one throttle point determine dynamic behavior of at least one of the opening cross section of the at least one throttle point and an actually effective spring force of the at least one ...

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06-03-2014 дата публикации

Compressed-Air Supply Device for a Utility Vehicle and Method for Operating a Compressed-Air Supply Device

Номер: US20140060653A1
Автор: Kaupert Oliver

A compressed-air supply device for a utility vehicle includes a valve device, which, when in a first, energized switching state, deaerates the control inlet of a compressor coupled to the energy-saving control outlet and blocks a supply path to the second valve device, and when in a second, de-energized switching state, aerates the control inlet of the compressor coupled to the energy-saving control outlet and opens up the supply path to the second valve. The compressor can be switched into an energy-saving state by aeration of the control inlet. 116-. (canceled)17. A compressed-air supply device for a utility vehicle equipped with a compressor , comprising:a compressed air input that is coupleable to the compressor;a filter unit coupled to the compressed air input via a delivery line;a drain valve coupled to a drain output and the delivery line;an energy-saving control output that is coupleable to a control input of the compressor; anda first valve device and a second valve device, whereinthe drain valve, the energy-saving control output and regeneration of the filter unit are controllable by the first and second valve devices,the energy-saving control output is controllable via the first valve device and the drain valve and the regeneration of the filter unit are controllable via the second valve device,the second valve device is supplyable with compressed air by the first valve device,the first valve device deaerates the control input of the compressor coupled to the energy-saving control output and blocks a supply path to the second valve device in a first switching state, and in a second switching state aerates the control input of the compressor coupled to the energy-saving control output and opens the supply path to the second valve,the compressor is changeable into an energy-saving state by aerating the control input, andthe first valve device is energized in its first switching state and is de-energized in its second switching state.18. The compressed-air ...

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13-03-2014 дата публикации

Vessel attaching/removing device for conditioning apparatus

Номер: US20140069521A1
Автор: Hiraku Sakai
Принадлежит: Koganei Corp

The attaching/removing workability of the collecting vessel of a conditioning apparatus with respect to a port block is increased. A primary-side port and a secondary-side port are formed in a port block 13 , and a female screw part 27 that is screwed to a male screw part 23 is provided to the collecting vessel 24 that is mounted to the port block 13 . An annular lock member 31 is mounted to the opening end of the collecting vessel 24 so as to be movable in the axial direction. A tongue piece 38 that presses the annular lock member 31 towards the outside in the axial direction of the collecting vessel 24 is provided to the inside of the annular lock member 31 . A movable-side engagement part 41 that engages a fixed-side engagement part 42 of the port block 13 when the collecting vessel 24 is rotated to a position of fastening completion is provided to the annular lock member 31.

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13-03-2014 дата публикации

SUSPENSION SPRING FOR A REFRIGERATION COMPRESSOR

Номер: US20140070469A1
Принадлежит: WHIRLPOOL S.A.

Suspension spring for a refrigeration compressor of the type which comprises a shell and a block, forming, with the stator of an electric motor, a stationary assembly which is mounted in the interior of the shell by means of an assembly of helical springs. The helical spring presents, for a predetermined dimensional range of one of the spring parameters defined by the spring average diameter, the pitch of its coils, the spring wire diameter and the active height, a ratio between at least two of each pair of the other three parameters, defined to provide, to said helical suspension spring, for a desired frequency band, a stiffness corresponding, at minimum, to that of structural reliability of the suspension, and an attenuation in its acoustic transmissibility, in relation to the springs dimensioned only as a function of their suspension structural requirements for a desired frequency band. 1. A suspension spring for a refrigeration compressor of the type which comprises a shell and a block forming , with the stator of an electric motor , a stationary assembly which is mounted in the interior of the shell by means of a suspension including an assembly of helical springs , each spring presenting a lower end and an upper end , each said end being coupled , respectively , to an adjacent part of shell and of stationary assembly , said helical spring being characterized in that it presents , for a predetermined dimensional range of one of the spring parameters defined by the spring average diameter , the pitch of its coils , the spring wire diameter and the active height , a ratio between at least two of each pair of the other three parameters , defined to provide , to said helical suspension spring , for a desired frequency band , a stiffness corresponding , at minimum , to that of the structural reliability of the suspension , and an attenuation in its acoustic transmissibility , in relation to the springs dimensioned only as a function of their suspension structural ...

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27-03-2014 дата публикации

Method For Producing A Pump Body For The Dispensing Of A Fluid Product

Номер: US20140086770A1
Принадлежит:

A method of producing a pump body for dispensing fluid product, the body having a casing with an inlet orifice which includes a valve having a ball retained in a cage, the method includes: moulding the casing by forming ribs in relief having two lateral faces which join together along an internal edge and an upper end having a free upper surface; introducing the ball into the cage below the upper ends; deforming the upper ends to form visors extending radially towards the interior of the casing to imprison the ball in the cage; with the ribs being formed with their free surface extending from one lateral edge to the other by forming a dome having a top , with the deformation of the upper ends being provided by causing a matrix to bear against the tops then via axial displacement from the matrix on a stroke for crushing domes. 2. The method according to claim 1 , characterised in that the tops extend radially towards the interior of the casing.3. The method according to claim 1 , characterised in that the domes have a portion of external free surface which is adjacent to the peripheral wall and a portion of internal free surface which is adjacent to the internal edge claim 1 , with the top extending solely on the portion of external free surface.4. The method according to claim 1 , characterised in that at least one portion of the free surface of the domes has a convex geometry.5. The method according to claim 3 , characterised in that the portion of external free surface has a cylindrical geometry.6. The method according to claim 3 , characterised in that the portion of internal free surface has a spherical geometry.7. The method according to claim 1 , characterised in that the internal edges have a cylindrical geometry.8. The method according to claim 4 , characterised in that the internal edges and the free surfaces of the domes have a cylindrical geometry with the same9. The method according to claim 1 , characterised in that the matrix has a bearing surface on ...

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05-01-2017 дата публикации

STATIC LIQUID PISTON COMPRESSOR AND EXPANDER SYSTEMS AND METHODS FOR SAME

Номер: US20170002803A1
Принадлежит:

A liquid piston system includes a liquid piston compressor/expander assembly and a drive mechanism. The liquid piston compressor/expander assembly includes a reciprocating cylinder coupled with the drive mechanism and a static liquid piston received in the cylinder cavity. The static liquid piston includes a piston face configured to carry liquid piston fluid. The reciprocating cylinder is configured to move relative to the static liquid piston between contracted and expanded positions. In a compressor, at the expanded position the cylinder head is withdrawn from liquid piston fluid and the cylinder cavity is filled with the compressible fluid. In the contracted position the cylinder head of the reciprocating cylinder is near the liquid piston fluid and the compressible fluid is compressed. With an expander, in the contracted position the compressible fluid is introduced to the cylinder cavity and the expanding compressible fluid moves the reciprocating cylinder to the expanded position. 1. A liquid piston compressor system comprising:a drive mechanism; a reciprocating cylinder coupled with the drive mechanism, the reciprocating cylinder includes a cylinder cavity and a cylinder head, and', 'a static liquid piston received in the cylinder cavity, the static liquid piston includes a piston face configured to carry liquid piston fluid; and, 'a compressor assembly coupled with the drive mechanism, the compressor assembly includes in the expanded position the cylinder head is withdrawn from liquid piston fluid and the cylinder cavity is filled with the compressible fluid, and', 'in the contracted position the cylinder head is near the liquid piston fluid and the compressible fluid is compressed., 'wherein the reciprocating cylinder is configured to move relative to the static liquid piston between contracted and expanded positions to compress a compressible fluid2. The system of comprising liquid piston fluid carried on the piston face.3. The system of claim 2 , wherein ...

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05-01-2017 дата публикации

COMPRESSOR

Номер: US20170002808A1
Принадлежит:

A compressor is provided that may include a shell in which a discharge outlet may be provided; a cylinder provided inside of the shell and configured to form a compression space of a refrigerant; a piston provided inside of the cylinder and capable of reciprocating in an axial direction; and a discharge valve provided at one side of the cylinder and configured to selectively discharge a refrigerant compressed in the compression space of the refrigerant. The discharge valve may be formed with a magnesium (Mg) alloy in which the Mg has a weight ratio (wt %) of about 90 or higher, thus having a tensile strength of about 250 MPa or higher at about 150° C. 1. A compressor , comprising:a shell in which a discharge outlet is provided;a cylinder provided inside of the shell and configured to form a compression space of a refrigerant;a piston provided inside of the cylinder and capable of reciprocating in an axial direction; anda discharge valve provided at one side of the cylinder and configured to selectively discharge a refrigerant compressed in the compression space of the refrigerant, wherein the discharge valve is formed with a magnesium (Mg) alloy in which the Mg has a weight ratio (wt %) of about 90 or higher, thus having a tensile strength of about 250 MPa or higher at about 150° C.2. The compressor of claim 1 , wherein the discharge valve includes:a valve main body configured to selectively open the compression space in the cylinder; anda coating provided at an outer surface of the valve main body to prevent wear of the discharge valve.3. The compressor of claim 2 , wherein the valve main body includes a rear surface provided adjacent to the cylinder claim 2 , and wherein the coating is provided at the rear surface.4. The compressor of claim 2 , wherein the coating includes at least one of polytetrafluoroethylene (PTFE) claim 2 , diamond-like carbon (DLC) claim 2 , or ceramic.5. The compressor of claim 2 , wherein the coating includes PTFE and an additive to ...

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01-01-2015 дата публикации

Control Valve For A Variable Displacement Compressor

Номер: US20150004010A1
Принадлежит:

A control valve is configured such that a suction pressure, which is used to displace a sub-valve element in a valve opening direction after a main valve has been closed, is varied according to a value of current supplied to a solenoid. A crankcase communication port, which communicates with a crankcase of a compressor, and a suction chamber communication port, which communicates with a suction chamber of the compressor, are provided in a body. A sub-valve chamber whose diameter is larger than that of the main valve hole is formed between the crankcase communication port and a main valve hole, and a sub-valve is placed in the sub-valve chamber. 1. A control valve for a variable displacement compressor for varying a discharging capacity of the compressor for compressing refrigerant led into a suction chamber and discharging the compressed refrigerant from a discharge chamber , by regulating a flow rate of the refrigerant led into a crankcase from the discharge chamber , the control valve comprising: a discharge chamber communication port that communicates with the discharge chamber;', 'a crankcase communication port that communicates with the crankcase;', 'a suction chamber communication port that communicates with the suction chamber;', 'a main passage that communicates between the discharge chamber communication port and the crankcase communication port, the main passage having a main valve hole; and', 'a sub-passage that communicates between the crankcase communication port and the suction chamber communication port;, 'a body havinga main valve seat provided in an opening end of the main valve hole;a main valve element configured to open and close a main valve by touching and leaving the main valve seat, the main valve element being slidably supported by a guiding passage formed in the body;a power element configured to supply a drive force in a valve opening direction to the main valve element according to a displacement amount of a pressure-sensing member, the ...

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01-01-2015 дата публикации

LINEAR COMPRESSOR

Номер: US20150004028A1
Принадлежит: LG ELECTRONICS INC.

A linear compressor is provided. The linear compressor may include a shell having a refrigerant inlet, a cylinder provided within the shell, a piston that reciprocates within the cylinder to compress a refrigerant, a motor assembly that provides a drive force to the piston, a support provided for the magnet assembly, to support an end of a permanent magnet, and a frame engaged with the cylinder to support the motor assembly, and that includes a contact to absorb impact when the piston collides against the support. 1. A linear compressor , comprising:a shell having a refrigerant inlet;a cylinder provided within the shell;a piston that reciprocates within the cylinder to compress a refrigerant;a motor assembly that provides a drive force to the piston;a magnet assembly that delivers the drive force exerted by the motor assembly to the piston and that comprises a permanent magnet;a support provided for the magnet assembly, to support an end of the permanent magnet; anda frame engaged with the cylinder to support the motor assembly, wherein the frame comprises a contact to absorb impact when the frame collides with the support.2. The linear compressor according to claim 1 , wherein claim 1 , when the piston is at a first position during a reciprocating motion thereof claim 1 , the support is arranged at a first distance away from the contact.3. The linear compressor according to claim 2 , wherein the first position is a bottom dead center (BDC) position of the piston claim 2 , and at the BDC position of the piston claim 2 , the refrigerant is drawn in though the inlet to be introduced into the cylinder.4. The linear compressor according to claim 2 , wherein claim 2 , when the piston is at a second position during the reciprocating motion thereof claim 2 , the support contacts or collides with the contact.5. The linear compressor according to claim 4 , wherein the second position is a top dead center (TDC) position of the piston claim 4 , and at the TDC position of the ...

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01-01-2015 дата публикации

APPARATUSES AND METHODS FOR ACTUATING VALVES

Номер: US20150004035A1
Принадлежит:

A valve assembly including an actuator configured to provide a displacement, a shaft configured to transmit the displacement from the actuator to a valve closing member of a valve of the reciprocating compressor, and a displacement transmission mechanism connected to the shaft, and configured to amplify the displacement and/or a force associated with the displacement provided by the actuator to actuate the valve closing member of the valve. 1. A valve assembly useable in a reciprocating compressor for oil and gas industry , the valve assembly comprising:an actuator configured to provide a displacement;a shaft connected to the actuator and configured to transmit the displacement from the actuator to a valve closing member of a valve of the reciprocating compressor; anda displacement transmission mechanism connected to the shaft and configured to amplify the displacement and/or a force associated with the displacement provided by the actuator.2. The valve assembly of claim 1 , whereinthe actuator provides an angular displacement,the actuator is located outside of a compressor body, andthe displacement transmission mechanism is located between the shaft and the valve closing member of the valve, inside the compressor body, and is further configured to convert the angular displacement into a linear displacement to actuate the valve closing member of the valve.3. The valve assembly of claim 2 , wherein:the shaft is configured to rotate around a rotation axis, has a narrow cylindrical shape around the rotation axis for most of shaft's length, and has a U-shaped portion with a segment substantially parallel with and at a predetermined distance from the rotation axis, and a connecting rod comprising a first end connected to the segment of the shaft that is substantially parallel with and at the predetermined distance from the rotation axis; and', 'an actuator shaft connected to a second end of the connecting rod and to the valve closing member of the valve., 'the ...

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07-01-2016 дата публикации

COMPRESSOR AND METHOD FOR ASSEMBLING A COMPRESSOR

Номер: US20160003253A1
Принадлежит:

A compressor and a method for assembling a compressor are provided. The compressor may include a compressor casing coupled to each of a suction inlet, into which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a compressor body mounted inside the compressor casing to compress the refrigerant suctioned in through the suction inlet, and then discharge the refrigerant through the discharge outlet, a noise reducing member disposed between the compressor body and the compressor casing, and at least one fixing member mounted inside the compressor casing to fix the noise reducing member to an inner wall of the compressor casing. 1. A compressor , comprising:a compressor casing coupled to each of a suction inlet, into which a refrigerant is introduced, and a discharge outlet, through which the refrigerant is discharged;a compressor body mounted inside the compressor casing to compress the refrigerant suctioned in through the suction inlet, and thereafter discharge the refrigerant through the discharge outlet;a noise reducing member disposed between the compressor body and the compressor casing; andat least one fixing member mounted inside the compressor casing to fix the noise reducing member to an inner wall of the compressor casing.2. The compressor according to claim 1 , wherein the at least one fixing member comprises a plurality of fixing members claim 1 , and wherein both ends of the noise reducing member are inserted into the plurality of fixing members claim 1 , respectively claim 1 , to be fixed to the inner wall of the compressor casing.3. The compressor according to claim 2 , wherein each of the plurality of fixing members comprises:a fixing portion fixed to the inner wall of the compressor casing, the fixing portion having a ring shape; anda protrusion that extends from the fixing portion in a direction substantially perpendicular to a radial direction of the fixing portion.4. The compressor according to ...

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02-01-2020 дата публикации

Self-Aligning Power Screw for Syringe Pump

Номер: US20200003193A1
Автор: Dickson Ong
Принадлежит: Norgren Kloehn LLC

An apparatus and method of assembling a syringe pump for accurately dispensing a fluid from a syringe. The syringe pump has a frame having a valve assembly connectable to the syringe. A linear rail is disposed in and connected to the frame, and a travel block is disposed within the frame and slidably connected to the linear rail. A connector is connected to the travel block and connectable to the syringe. A power screw having a first end rotatably supported by bearings is disposed within the frame and has a free second end opposite the first end of the power screw wherein the travel block is threadably connected to the power screw. The power screw is rotatably driven to effectively drive the travel block and the connector linearly along the linear rail thereby dispensing the fluid from the syringe.

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02-01-2020 дата публикации

Compressor

Номер: US20200003199A1
Автор: KOWADA Yoshio
Принадлежит:

To reduce or prevent failures due to contamination, such as control and/or lubrication failure, the compressor according to the present invention includes an oil separator having a separation portion configured to separate lubricating oil OIL from a working fluid by using a centrifugal force, and a storage portion located below the separation portion and configured to store lubricating oil OIL separated by the separation portion. A hat-shaped trap member is disposed between the separation portion and the storage portion. The trap member allows precipitation and trapping of the contamination CON mixed in the lubricating oil OIL by temporarily storing the lubricating oil OIL separated by the separation portion and discharging a supernatant of the lubricating oil OIL into the storage portion. 1. A compressor comprising a separation portion configured to separate lubricating oil from a working fluid by using a centrifugal force; and', 'a storage portion located below the separation portion and configured to store lubricating oil separated by the separation portion,', 'wherein a trap member configured to temporarily store the lubricating oil separated by the separation portion and to discharge a supernatant of the lubricating oil into the storage portion is disposed between the separation portion and the storage portion., 'an oil separator having2. The compressor according to claim 1 ,wherein the trap member has a portion rising toward the separation portion, the rising portion having at least one small hole for allowing the supernatant of the lubricating oil to pass therethrough.3. The compressor according to claim 2 , wherein the trap member is formed of a hat-shaped partition wall.4. The compressor according to claim 3 , wherein the trap member has a communication hole which communicates the separation portion with the storage portion at a center portion of the trap member.5. The compressor according to claim 3 , wherein a flange portion having an annular shape ...

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02-01-2020 дата публикации

LINEAR COMPRESSOR

Номер: US20200003200A1
Автор: LEE Kyunyoung, Noh Kiwon
Принадлежит:

The present invention relates to a linear compressor. A discharge unit of the linear compressor according to an aspect of the present invention includes a discharge cover coupled with the frame. In addition, the discharge cover includes a cover flange portion and a chamber portion. At this time, the cover flange portion includes a flange main body having a main body penetration portion and a main body extension portion provided outward in a radial direction so as to face the main body penetration portion, and a flange coupling portion having a flange coupling hole into which a fastening member for coupling with the frame is inserted. 1. A linear compressor comprising:a cylinder that defines a compression space configured to receive refrigerant;a frame that accommodates at least a portion of the cylinder; anda discharge unit that defines a discharge space configured to receive refrigerant discharged from the compression space, the discharge unit being configured to allow refrigerant discharged from the compression space to flow through the discharge space, a cover flange portion that faces a front surface of the frame in an axial direction of the cylinder, and', 'a chamber portion that extends forward from the cover flange portion in a direction away from the front surface of the frame in the axial direction,, 'wherein the discharge unit comprises a discharge cover coupled to the frame, the discharge cover comprising a flange main body comprising a main body penetration portion that defines a circular opening and a main body extension portion that extends outward of the main body penetration portion in a radial direction of the cylinder, and', 'a flange coupling portion that defines a flange fastening hole configured to receive a coupling member to couple the discharge cover to the frame, and, 'wherein the cover flange portion compriseswherein at least a portion of the flange coupling portion is positioned outward of the flange main body in the radial direction.2. ...

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07-01-2021 дата публикации

LINEAR COMPRESSOR

Номер: US20210003122A1
Принадлежит:

Provided is a linear compressor. The linear compressor includes a shell, a compressor body disposed in the shell, and a first support device coupled to a front portion of the compressor body in an axial direction to support the compressor body. The first support device may be disposed between an inner circumferential surface of the shell and the compressor body to support the compressor body in a radial direction. 1. A linear compressor comprising:a shell having a cylindrical shape that extends in an axial direction;a compressor body disposed within the shell;a first shell cover coupled to a rear end of the shell;a second shell cover coupled to a front end of the shell and spaced apart from the first shell cover in the axial direction;a first support device coupled to a front portion of the compressor body and configured to support the compressor body; anda second support device disposed between the compressor body and the first shell cover and configured to support the compressor body in the axial direction,wherein the first support device is disposed between an inner circumferential surface of the shell and the compressor body and configured to support the compressor body in a radial direction of the shell.2. The linear compressor according to claim 1 , wherein the compressor body comprises a discharge cover claim 1 , the discharge cover defining a compression space configured to compress refrigerant therein and a discharge space configured to receive refrigerant discharged from the compression space.3. The linear compressor according to claim 2 , wherein the compression body comprises a frame coupled to the discharge cover claim 2 , the discharge cover comprising:a flange part coupled to a front surface of the frame; anda chamber part that extends forward from the flange part in the axial direction and that defines the discharge space therein, andwherein the first support device has a first end coupled to an outer surface of the chamber part and a second end ...

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03-01-2019 дата публикации

COMPRESSOR

Номер: US20190003470A1
Принадлежит:

Provided is a compressor capable of achieving a reduction in overall size and an improvement in vehicle mountability by using a linear motor. The compressor comprises a linear motor having a reciprocating mover a compression unit having a piston connected to the mover at one end side of the linear motor so as to reciprocate and a cylinder slidably accommodating the piston to form a compression chamber B, and an air dryer connected to a cylinder head of the compression chamber B of the compression unit and filled therein with a desiccant C. The air dryer is disposed along the axis in the movement direction of the mover the piston 1. A compressor comprising:a linear motor having a reciprocating mover;a compression unit having a piston connected to the mover at one end side of the linear motor so as to reciprocate, and a cylinder slidably accommodating the piston to form a compression chamber; andan air dryer connected to a discharge part of the compression chamber of the compression unit and filled therein with a desiccant;the air dryer being disposed along an axis in a movement direction of the mover and the piston.2. The compressor of claim 1 , further comprising:a passage that connects the air dryer and a tank that stores a working gas discharged from the air dryer; anda first electromagnetic valve provided in the passage;the first electromagnetic valve being disposed at an outer peripheral side of the compression unit such that a movement direction of the piston and an operating direction of the first electromagnetic valve are in a same direction.3. The compressor of claim 2 , further comprising:an air spring passage branched off from the passage to connect the air dryer and an air spring that supports a vehicle body vertically movably; anda second electromagnetic valve provided in the air spring passage;the second electromagnetic valve being disposed at an outer peripheral side of the compression unit such that the movement direction of the piston and an ...

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07-01-2021 дата публикации

COMPRESSOR COVER, OUTDOOR UNIT OF AIR-CONDITIONING APPARATUS, AND AIR-CONDITIONING APPARATUS

Номер: US20210003293A1
Автор: OTSUKA Motoki
Принадлежит:

A compressor cover includes a side cover that surrounds a side peripheral surface of a compressor and a top cover provided above the compressor to cover along with the side cover, the compressor. The top cover has a first slope that extends such that an outer peripheral portion of the top cover is located lower than a central portion of the top cover. 1. A compressor cover comprising:a side cover configured to surround a side peripheral surface of a compressor; anda top cover provided above the compressor and configured to cover along with the side cover, the compressor,wherein the top cover has a first slope that extends such that an outer peripheral side of the top cover is located lower than a central portion of the top cover,wherein the top cover has a first hole portion configured to surround a pipe extending upwards from the compressor and a first cut portion provided between the first hole portion and the outer peripheral side, and the first slope is formed by causing both side portions of the first cut portion of the top cover to overlap each other, andwherein the outer peripheral side of the top cover is located outward of an outer peripheral portion of the side cover.23-. (canceled)4. The compressor cover of claim 1 , wherein the first cut portion has a gap between the opposite sides on the outer peripheral side claim 1 , while the both side portions of the first cut portion do not overlap each other.5. The compressor cover of claim 1 , wherein the top cover includes a pair of hook-and-loop fasteners on the both side portions of the first cut portion claim 1 , the pair of hook-and-loop fasteners being used when the both side portions of the first cut portion are caused to overlap each other to form the first slope.634. The compressor cover of claim 5 , wherein the pair of hook-and-loop fasteners are formed to extend along edge portions of the first cut portion and each have a length greater than or equal to half each of the lengths of the edge portions ...

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03-01-2019 дата публикации

COMPRESSOR SYSTEM

Номер: US20190003597A1

A compressor system includes: a compressor including a rotor that rotates around an axis and a bearing device that supports the rotor; a lubricant tank in which a lubricant is stored; a lubricant supply line through which the lubricant is supplied from the lubricant tank to the bearing device; a lubricant return line through which the lubricant is returned from the bearing device to the lubricant tank; and a seal gas supply line through which a seal gas supplied to the compressor flows and is introduced to the compressor via an inside of the lubricant tank. 1. A compressor system , comprising: a rotor that rotates around an axis and', 'a bearing device that supports the rotor;, 'a compressor that includesa lubricant tank in which a lubricant is stored;a lubricant supply line through which the lubricant is supplied from the lubricant tank to the bearing device;a lubricant return line through which the lubricant is returned from the bearing device to the lubricant tank; anda seal gas supply line through which a seal gas supplied to the compressor flows and is introduced to the compressor via an inside of the lubricant tank.2. The compressor system according to claim 1 , wherein the seal gas supply line runs through a liquefied lubricant stored in the lubricant tank.3. The compressor system according to claim 1 , wherein the lubricant tank includes a lubricant heater that is disposed in a stored liquefied lubricant and that heats the lubricant. The present invention relates to a compressor system.There is a centrifugal compressor in which an end portion of a rotary shaft protrudes to the outside of a casing so as to input or output a rotation of the rotary shaft that is rotatably provided with respect to a casing. In the centrifugal compressor, a dry gas seal is provided so as to inhibit a working fluid from leaking a gap between the rotary shaft and the casing in the end portion of the casing to the outside.For example, a compressor having the dry gas seal is ...

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12-01-2017 дата публикации

Oil separator and drain discharge system

Номер: US20170007944A1
Принадлежит: Nabtesco Automotive Corp

An oil separator which can discharge collected liquid in a short time and a collected liquid discharge system are provided. This oil separator performs gas-liquid separation on fluid containing oil and collects liquid, which contains oil. The oil separator is provided with an oil trap, which traps liquid, a reservoir, which stores the liquid trapped by the oil trap, a collected liquid discharge port, which discharges the collected liquid stored in the reservoir, and a three-way valve.

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12-01-2017 дата публикации

SELF VENTING PISTON PLUGS

Номер: US20170009757A1
Принадлежит: DRESSER-RAND COMPANY

A piston plug includes a cylindrical body having a longitudinal axis and an outer cylindrical surface. The outer cylindrical surface extends longitudinally between a first surface and a second surface opposite the first surface. The outer cylindrical surface defines a hole extending radially inward. The hole has a central axis perpendicular to the longitudinal axis of the cylindrical body. A first channel and a second channel are defined by cylindrical body. The first channel is in fluidic communication with the first surface and the hole. The second channel is in fluidic communication with the second surface and the hole. The first channel, the second channel, and at least a portion of the hole form a non-collinear flowpath. The piston plug is disposed in a plug hole in a piston and is retained in the plug hole via an interference fit between the piston plug and the plug hole. 1. A piston plug , comprising:a cylindrical body having a longitudinal axis and an outer cylindrical surface extending longitudinally between a first surface and a second surface opposite the first surface, the outer cylindrical surface defining a hole extending radially inward, such that the hole has a central axis perpendicular to the longitudinal axis of the cylindrical body;a first channel in fluidic communication with the first surface and the hole; anda second channel in fluidic communication with the second surface and the hole, the first channel, the second channel, and at least a portion of the hole forming a non-collinear flowpath.2. The piston plug of claim 1 , wherein the flowpath is configured to restrict flow of non-fluidic material.3. The piston plug of claim 1 , wherein a notch is defined on at least one of the first surface and the second surface.4. The piston plug of claim 1 , wherein a straight thread is defined on the outer cylindrical surface.5. The piston plug of claim 4 , wherein the straight thread is a nonstandard straight thread configured to provide an interference ...

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27-01-2022 дата публикации

COMPRESSOR

Номер: US20220025877A1
Автор: HATA Shigeru, SAKATA Kohei
Принадлежит:

A compressor includes: a plurality of terminals; a terminal cover protecting the plurality of terminals; a temperature sensor configured to detect a temperature of a shell; and a cover having a flat portion disposed around the plurality of terminals, and a sensor protection portion covering the temperature sensor, the sensor protection portion being integrally formed with the flat portion to extend from the flat portion. The terminal cover is attached to cover the flat portion of the cover in a state in which the temperature sensor disposed on the shell is covered by the sensor protection portion of the cover. Thus, it is possible to prevent a lead wire of the temperature sensor from being accidentally cut when the terminal cover is attached. 1. A compressor comprising:a plurality of terminals;a terminal cover protecting the plurality of terminals;a temperature sensor configured to detect a temperature of a shell; and a flat portion disposed around the plurality of terminals, and', 'a sensor protection portion covering the temperature sensor, the sensor protection portion being integrally formed with the flat portion to extend from the flat portion,, 'a cover having'}wherein the terminal cover is attached to cover the flat portion of the cover in a state in which the temperature sensor disposed on the shell is covered by the sensor protection portion of the cover,whereinthe sensor protection portion covers and is not in contact with the temperature sensor and a vicinity of the temperature sensor.2. (canceled)3. A compressor comprising:a plurality of terminals;a terminal cover protecting the plurality of terminals;a temperature sensor configured to detect a temperature of a shell; and a flat portion disposed around the plurality of terminals, and', 'a sensor protection portion covering the temperature sensor, the sensor protection portion being integrally formed with the flat portion to extend from the flat portion,, 'a cover having'}wherein the terminal cover is ...

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14-01-2016 дата публикации

HOUSING AND METHOD OF MANUFACTURING THE SAME

Номер: US20160010633A1

This housing is a cylindrical housing including a bearing-member mounting portion provided at least one position on the inner circumferential surface, on which bearing-member mounting portion a bearing member is mounted; mounting legs provided at least two vertical positions on the outer circumferential surface; and chucking portions to be chucked by a chuck mechanism of a machining apparatus during machining, provided on the outer circumferential surface, at least three positions in the circumferential direction, corresponding to the position where the bearing-member mounting portion is provided. 1. A cylindrical housing comprising:a bearing-member mounting portion which is provided at at least one position on an inner circumferential surface of the housing and on which a bearing member is mounted;mounting legs provided at at least two vertical positions on an outer circumferential surface of the housing; andchucking portions to be chucked by a chuck mechanism of a machining apparatus during machining, the chucking portions being provided on the outer circumferential surface of the housing at at least three positions in the circumferential direction, the three positions corresponding to a position where the bearing-member mounting portion is provided.2. The housing according to claim 1 , wherein the chucking portions are formed of chucking bases which are formed on a cylindrical surface integrally formed on the outer circumferential surface of the housing.3. The housing according to claim 1 , wherein the chucking portions are provided on the outer circumferential surface of the housing with equal intervals in the circumferential direction.4. The housing according to claim 1 , whereinthe mounting legs provided at the two vertical positions are provided as a pair of mounting legs and provided on a vertical axis perpendicular to the axial direction of the cylindrical housing, andone of the chucking portions which are provided at at least three positions in the ...

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11-01-2018 дата публикации

Inflation Device

Номер: US20180010592A1
Автор: Chuang Louis
Принадлежит:

An inflation device includes a cylinder, a piston assembly, a cap, a base assembly, a flow channel assembly, and an inflation assembly. The cylinder includes two compartments. The piston assembly includes two pistons capable of synchronous sliding movement in relation to the two compartments. The cap is mounted on the cylinder. The base assembly is mounted at the bottom of the cylinder. The flow channel assembly includes a flow channel unidirectionally connected with a space formed between the base assembly, one compartment, and one piston. The inflation assembly includes a nozzle connected with the flow channel and attachable to an inflatable object. 1. An inflation device comprising:a cylinder having a first end and a second end opposite to the first end, with the cylinder including a first compartment, a second compartment, and a passageway connected between the first and second compartments;a piston assembly including a first piston slidably mounted in the first compartment, and a second piston slidably mounted in the second compartment, with the first and second pistons able to simultaneously slide in relation to the first and second compartments;a cap mounted on the first end of the cylinder, with a first space formed between the cap, the first compartment, and the first piston, with a second space formed between the cap, the second compartment, and the second piston;a base assembly mounted at the second end of the cylinder, with a third space formed between the base assembly, the first compartment, and the first piston, with a fourth space formed between the base assembly, the second compartment, and the second piston;a flow channel assembly including a flow channel unidirectionally connected with the fourth space, and a one-way valve received in the flow channel; andan inflation assembly including a nozzle connected with the flow channel and attachable to an inflatable object;wherein when the first and second pistons are moved towards the first end of the ...

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10-01-2019 дата публикации

RECIPROCATING-PISTON MACHINE, COMPRESSED-AIR SUPPLY INSTALLATION, COMPRESSED-AIR SUPPLY SYSTEM, AND VEHICLE

Номер: US20190010937A1
Принадлежит: WABCO GmbH

A reciprocating-piston machine includes at least one first cylinder and at least one first piston assigned to the first cylinder as well as at least one second cylinder and at least one second piston assigned to the second cylinder. During operation, the first piston and the second piston are deflected in a respective cylinder displacement chamber of the respective first cylinder and the second cylinder. The reciprocating-piston machine further includes a crankshaft which, during operation, can be driven and which has an eccentric crankshaft journal and a drive shaft coupling designed for the coupling of a drive shaft of a drive motor for driving the crankshaft. Additionally, the reciprocating-piston machine includes a first connecting rod configured to deflect the first piston, a second connecting rod configured to deflect the second piston, and a bearing pin about which the first and second connecting rod are rotationally movable. 1: A reciprocating-piston machine , having: 'at least one second cylinder and at least one second piston assigned to the second cylinder, wherein, during operation, the first piston and the second piston are deflected in a respective cylinder displacement chamber of the respective first cylinder and the second cylinder,', 'at least one first cylinder and at least one first piston assigned to the first cylinder;'}a crankshaft which, during operation, can be driven and which has an eccentric crankshaft journal and a drive shaft coupling designed for the coupling of a drive shaft of a drive motor for driving the crankshaft,a first connecting rod configured to deflect the first piston,a second connecting rod configured to deflect the second piston, anda bearing pin about which the first and second connecting rod are rotationally movable,wherein the first connecting rod is mounted by at least one first connecting-rod bearing directly on the crankshaft journal and is movable by the eccentric crankshaft journal, and the second connecting rod is ...

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09-01-2020 дата публикации

MORTISE-TENON JOINTED AIR PUMP

Номер: US20200011310A1
Автор: YANG YUNG-HAO
Принадлежит:

A mortise-tenon jointed air pump has a holding base, an inflation cylinder assembly, an inflation connector assembly, and an air pressure gauge. The holding base has a hollow housing. The inflation cylinder assembly is connected to an inlet end of the housing. The inflation connector assembly is mounted in an exhaust opening of the housing. The air pressure gauge is mounted in a pressure sensing portion of the holding base. The housing of the holding base and a connector of the inflation cylinder assembly are connected with each other by engaging at least one engaging protrusion in at least one engaging groove. Moreover, by inserting at least one retaining block through the housing and the connector, a relative position of the connector and the holding base is locked. 1. A mortise-tenon jointed air pump comprising: a housing being hollow and having an inlet end and an exhaust opening, and the inlet end and the exhaust opening respectively formed in two ends of the housing;', 'at least one engaging protrusion protruding from an inner sidewall of the housing and disposed adjacent to the inlet end of the housing; and', 'at least one outer fastening hole formed through the housing and disposed adjacent to the inlet end of the housing;, 'a holding base including'} [ a rear end;', 'a front end positioned toward the holding base;', 'a front end surface; and', 'at least one air inlet formed through the front end surface of the outer tube;, 'an outer tube having'}, 'a one-way valve mounted to the front end of the outer tube and only allowing air outside the outer tube to flow into the outer tube through the at least one air inlet;', a front end;', 'a rear end securely attached to the outer tube;', an axial extending segment extending along an elongation axis of the air pump and formed through the front end of the connector; and', 'a lateral extending segment extending perpendicular to the axial extending segment and communicating with the axial extending segment; and, 'at ...

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09-01-2020 дата публикации

Portable inflator

Номер: US20200011311A1
Принадлежит: Makita Corp

A portable inflator ( 1 ) includes a motor ( 51 ), a compression mechanism ( 6 ) driven by the motor ( 51 ) to compress and discharge air, a main body housing ( 2 ), a leg ( 3 ), a grip ( 4 ), and a manually-operable trigger ( 41 ) provided on the grip. The main body housing ( 2 ) includes a battery mount part ( 251 ) for detachably mounting a battery ( 8 ), and houses the motor ( 51 ) and the compression mechanism ( 6 ). The leg ( 3 ) supports the main body housing ( 2 ) when a lower surface ( 31 ) of the leg ( 3 ) is disposed on a placement surface (P). The grip ( 4 ) is connected to the main body housing ( 2 ) and extends at least substantially parallel to the lower surface ( 31 ) of the leg ( 3 ). The motor ( 51 ) is driven in accordance with pulling of the trigger ( 41 ).

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09-01-2020 дата публикации

COMPACT AIR COMPRESSOR

Номер: US20200011315A1
Принадлежит: New Motech Co., Ltd.

A cylinder coupling structure of a compact air compressor includes a block provided with a suction valve and a discharge valve to be integrally formed with a suction muffler and a discharge muffler to block a front end of the cylinder, a tubular-shaped cylinder coupled to the block, a valve cover covering the valve assembly, at least one pressurized bolt coupling the valve cover and the block, a piston reciprocating inside the cylinder, a stator coupled to the block, a rotator located to rotate relatively with respect to the stator, a crank axis coupled to the rotator to rotate integrally with the rotator to be rotatable coaxially with the block, and a connecting rod, each of both ends thereof being connected to the crank axis and the piston, respectively. 1. A compact air compressor , comprising:{'b': '40', 'a block integrally formed with a suction muffler and a discharge muffler;'}{'b': 50', '40, 'a tubular-shaped cylinder coupled to the block ;'}{'b': '70', 'a valve assembly provided with a suction valve and a discharge valve to block a front end of the cylinder;'}{'b': 80', '70', '70, 'a valve cover covering the valve assembly so as to form a suction space and a discharge space at an upper portion of the valve assembly ;'}{'b': 90', '80', '40', '50', '80', '40, 'at least one pressurized bolt coupling the valve cover and the block so as to pressurize the cylinder between the valve cover and the block ;'}{'b': 60', '50, 'a piston reciprocating inside the cylinder ;'}{'b': 21', '40, 'a stator coupled to the block ;'}{'b': 25', '21, 'a rotator located to rotate relatively with respect to the stator ;'}{'b': 30', '25', '40, 'a crank axis coupled to the rotator to rotate integrally with the rotator to be rotatable coaxially with the block ; and'}{'b': 34', '60, 'a connecting rod , each of both ends thereof being connected to the crank axis and the piston, respectively, so as to convert a rotational movement of the crank axis into a straight reciprocating movement of ...

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09-01-2020 дата публикации

LINEAR COMPRESSOR

Номер: US20200011318A1
Принадлежит:

Provided is a linear compressor. The linear compressor includes a filter bracket seated on a gas inflow part passing through a cylinder and a filter assembly including a filter member seated on the filter bracket. 1. A linear compressor comprising:a shell that defines an outer appearance of the linear compressor;a cylinder that is disposed in the shell and that defines a compression space configured to receive refrigerant therein;a piston disposed in the cylinder and configured to reciprocate relative to the cylinder;a motor assembly that is configured to move the piston in an axial direction of the cylinder and that is configured to, based on movement of the piston in the axial direction of the cylinder, cause compression of the refrigerant received in the compression space;a gas inflow part that is defined at the cylinder and that passes through at least a portion of the cylinder; and a filter bracket that defines a bracket hole and that is disposed at the gas inflow part, and', 'a filter member disposed on the filter bracket., 'a filter assembly disposed at the gas inflow part, the filter assembly comprising2. The linear compressor according to claim 1 , wherein the gas inflow part comprises:a seat groove recessed radially inward from an outer circumferential surface of the cylinder toward the compression space; anda through-hole that extends from the seat groove to an inner circumferential surface of the cylinder, andwherein the filter bracket is disposed in the seat groove.3. The linear compressor according to claim 1 , wherein the filter bracket surrounds the filter member.4. The linear compressor according to claim 2 , wherein the filter bracket comprises:a plate that defines the bracket hole and that is disposed on the seat groove; andan extension part that extends from an edge of the plate toward the outer circumferential surface of the cylinder, andwherein the plate and the extension part define an accommodation space that receives the filter member.5. The ...

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14-01-2021 дата публикации

Electric Compressor

Номер: US20210013782A1
Автор: Mikio Kobayashi
Принадлежит: Sanden Automotive Components Corp

An electric compressor is provided which is capable of reducing the number of components in an inverter circuit section installed in an inverter storing section and attaining its miniaturization as well. A sleeve assembly ( 18 ) of an inverter circuit section ( 3 ) has positioning pins ( 37 ) and ( 38 ) for an inverter control board ( 17 ) and a power module ( 14 ). The positioning pins ( 37 ) and ( 38 ) are thermally caulked in a state in which the sleeve assembly ( 18 ) is interposed by the inverter control board ( 17 ) and the power module ( 14 ) to thereby make the inverter circuit section ( 3 ) integral. The integrated inverter circuit section ( 3 ) is installed in an inverter storing section ( 8 ) constituted on an outer surface of a housing ( 2 ).

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15-01-2015 дата публикации

METHOD OF CONTROLLING AN ELECTRIC SUBMERSIBLE PUMP

Номер: US20150017024A1
Принадлежит: SHELL OIL COMPANY

A method of controlling an electric submersible pump, comprising: a) monitoring the pressure at the suction and discharge of the pump; b) calculating the pressure difference between the discharge and suction pressure; and c) controlling the pump to maintain a constant pressure difference between the discharge and suction pressure. 1. A method of controlling an electric submersible pump , comprising:a. monitoring the pressure at the suction and discharge of the pump;b. calculating the pressure difference between the discharge and suction pressure; andc. controlling the pump to maintain a constant pressure difference between the discharge and suction pressure.2. The method of wherein the electric submersible pump is located in a subsea caisson below the seafloor.3. The method of wherein the electric submersible pump comprises a pump and a shroud.4. A method of starting up an electric submersible pump during start up claim 1 , comprising: i. monitoring the pressure at the suction and discharge of the pump;', 'ii. calculating the pressure difference between the discharge and suction pressure; and', 'iii. controlling the pump to maintain a constant pressure difference between the discharge and suction pressure; and, 'a. starting the pump on constant boost control, comprising i. monitoring the pressure at the caisson top; and', 'ii. controlling the pump to maintain a constant pressure at the caisson top., 'b. switching the constant boost control to pressure control, comprising5. The method of wherein the switching the constant boost control to pressure control is carried out by operator intervention.6. A method of controlling an electric submersible pump during operation claim 4 , comprising:a. monitoring the pressure at the caisson top;b. switching the pressure control to constant boost control when the pressure goes outside of a determined operational pressure range during operation; andc. switching the constant boost control to pressure control when the pressure has ...

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15-01-2015 дата публикации

STRUCTURE OF PUMP

Номер: US20150017026A1
Автор: LIAO Po Lin
Принадлежит:

A pump includes a cap that is fit into an opening of a pump body. The pump body has an external thread formed on an outer circumference close to a top face thereof for engagement with and coupling to a rotatable fixing ring having an internal thread so as to retain a cap from top side thereof. The threading engagement along the circumference fixes the cap and the pump body together. The cap has an underside from which a projecting ring extends downward. The projecting ring has a thread. A piston cylinder has an end forming a thread engageable with the thread of the projecting ring to complete the assembling of the piston cylinder. 1. A pump , comprising:a pump body, which has a bottom to which a base is fixed;a cap, which is sized to fit into an opening of the pump body, the cap having an inner side from which a projecting ring extends downwards, the projecting ring comprising an internal thread, the cap receiving, at a center thereof, a piston rod to extend therethrough, the piston rod having an end to which an operation handle is fixed, the piston rod having an opposite end to which a piston disk is attached, the piston rod extending through the projecting ring, the cap comprising a fluid opening formed in one side portion thereof, the fluid opening being connectable to a fluid hose, the cap being provided with a pneumatic assembly, an automatic over-pressure relief valve, a manual-operation buoy-based safety valve mounted thereto;a rotatable fixing ring, the pump body comprising an external thread formed on an outer circumference at a location close to a top face thereof, the rotatable fixing ring comprising an internal thread engageable with the external thread, whereby a top portion of the rotatable fixing ring is positionable on the cap and the internal and external threads formed on the circumferences mate each other to securely fix the cap and the pump body together; anda piston cylinder, which has an end that is closed and in a suspending condition, the ...

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19-01-2017 дата публикации

Compressor system

Номер: US20170016438A1
Принадлежит: Danfoss Tianjin Ltd

A compressor system includes: at least one variable-speed compressor, at least one fixed-speed compressor, a main suction pipe and a main discharge pipe; respective suction pipes of the variable-speed compressor and the fixed-speed compressor are connected to the main suction pipe in parallel, and respective discharge pipes of the variable-speed compressor and the fixed-speed compressor are connected to the main discharge pipe in parallel. The main suction pipe is configured with an oil-gas separation fitting structure, and the oil-gas separation fitting structure is designed to enable most oil of oil-gas mixture from the main suction pipe to move into the variable-speed compressor, and to make the variable-speed compressor stay in an oil-rich state.

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21-01-2016 дата публикации

LINEAR COMPRESSOR AND A LINEAR MOTOR FOR A LINEAR COMPRESSOR

Номер: US20160017872A1
Принадлежит:

An linear compressor and a linear motor for a linear compressor is provided. The linear compressor may include a shell, in which a suction inlet may be provided, a cylinder disposed in the shell to define a compression space for a refrigerant, a frame coupled to an outer side of the cylinder, a piston reciprocated in an axial direction within the cylinder, a stator cover coupled to the frame, and a linear motor supported by the frame and the stator cover to provide power to the piston. The stator cover may include a body, and at least one frame coupling portion coupled to the frame. The at least one frame coupling portion may extend from the body toward the frame.

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21-01-2016 дата публикации

LINEAR COMPRESSOR

Номер: US20160017875A1
Принадлежит:

A linear compressor is provided that may include a shell in which a discharge port may be provided, a cylinder disposed in the shell to define a compression space for a refrigerant, a piston disposed to be reciprocated in an axial direction within the cylinder, a discharge valve disposed on or at one side of the cylinder to selectively discharge the refrigerant compressed in the compression space, a valve spring coupled to the discharge valve to provide a restoring force, and a stopper coupled to the valve spring to restrict deformation of the valve spring. The stopper may include a guide recessed in a direction in which the valve spring is deformed to reduce an impulse between the stopper and the valve spring.

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21-01-2016 дата публикации

LINEAR COMPRESSOR

Номер: US20160017876A1
Принадлежит:

A linear compressor is provided. The linear compressor may include a shell including a discharge outlet, a cylinder provided in the shell to define a compression space for a refrigerant, a frame to fix the cylinder to the shell, a piston reciprocated within the cylinder in an axial direction, a discharge valve disposed on or at one side of the cylinder to selectively discharge the refrigerant compressed in the compression space, a discharge cover coupled to the frame, the discharge cover having at least one chamber to reduce pulsation of the refrigerant discharged through the discharge valve, and a valve spring disposed on the discharge cover to provide a restoring force to the discharge valve. The discharge cover may include a cover body having a discharge hole, through which the refrigerant discharged through the discharge valve may be discharged outside of the discharge cover, and a guide passage defined in the cover body to guide at least a portion of the refrigerant discharged through the discharge valve into the at least one chamber.

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21-01-2016 дата публикации

LINEAR COMPRESSOR AND REFRIGERATOR INCLUDING A LINEAR COMPRESSOR

Номер: US20160017877A1
Принадлежит: LG ELECTRONICS INC.

A linear compressor and a refrigerator including a linear compressor are provided. The linear compressor may include a compressor casing connected to each of a suction inlet, through which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a compressor body mounted within the compressor casing, within which the refrigerant suctioned in through the suction inlet may be compressed due to a linear reciprocating motion of a piston in an axial direction of the compressor casing and discharged into the discharge outlet, and at least one plate spring disposed on each end of the compressor body in the axial direction.

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21-01-2016 дата публикации

LINEAR COMPRESSOR AND REFRIGERATOR INCLUDING A LINEAR COMPRESSOR

Номер: US20160017878A1
Принадлежит:

A linear compressor and a refrigerator including a linear compressor are provided. The linear compressor may include a shell coupled to a suction inlet, through which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a cylinder disposed within the shell to accommodate a piston reciprocated to compress the refrigerant introduced through the suction inlet, a frame that accommodates the cylinder, the frame being mounted inside the shell, and a discharge cover coupled to a front surface of the frame to discharge the refrigerant compressed by the piston to the discharge outlet. A front surface of the cylinder that faces the discharge cover may be spaced a predetermined distance from the discharged cover.

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18-01-2018 дата публикации

Compressor housing having pressure limitation, and method for operation

Номер: US20180017049A1
Принадлежит: Magna Powertrain Bad Homburg GmbH

A housing of an air-conditioning compressor comprising at least two housing components is proposed, wherein the at least two housing components are sealed with respect to each other and are connected to each other by means of screws, and the housing components comprise aluminum or an aluminum alloy and the screws are ultra-high-strength screws. UHS screws are means for further ensuring an excess pressure safety function.

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18-01-2018 дата публикации

Air-cooling system for fluidic machine

Номер: US20180017082A1
Автор: Ho Youl PARK
Принадлежит: Hanwha Techwin Co Ltd

An air-cooling system for fluidic machine includes a base frame, a first intercooler arranged above the base frame and in which a fluid for heat exchange flows, an oil cooler arranged adjacent to the first intercooler and in which oil flows, a second intercooler arranged above the base frame to face one of the first intercooler and the oil cooler and in which the fluid for heat exchange flows, an aftercooler arranged adjacent to the second intercooler to face the other of the first intercooler and the oil cooler and in which the fluid for heat exchange flows, and a blower supplying cooling air to a space between the first intercooler and the oil cooler, and the second intercooler and the aftercooler.

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21-01-2021 дата публикации

System for tire inflation

Номер: US20210016615A1
Автор: Brandon Richardson
Принадлежит: Aperia Technologies Inc

A system for tire inflation including a drive mechanism defining a rotational axis, including an eccentric mass that offsets a center of mass of the drive mechanism from the rotational axis along a radial vector; a pump arranged radially distal the rotational axis of the drive mechanism, including a chamber defining a chamber lumen, and a reciprocating element arranged at least partially within the chamber lumen and translatable along a pump axis; a drive coupler coupled between the drive mechanism at a first position and the reciprocating element at a second position fixed to the reciprocating element; a torque regulation mechanism; and a controller, communicatively coupled to the torque regulation mechanism; wherein the system is operable between at least a first mode and a second mode by the torque regulation mechanism in cooperation with the controller.

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17-01-2019 дата публикации

Portable Air Compressor

Номер: US20190017497A1
Автор: Michael Gomes
Принадлежит: Individual

The current invention is a portable air compressor that are is designed to be stored in vehicles for emergency situations. The portable air compressor has a hard shell, a stretching air tube, wires to connect to the car battery, a pressure display gauge, and buttons for operation. The air compressor would be stored in the vehicle, with an intention for it to be stored in the trunk. For use, the air compressor would be moved to the engine and connected to the battery. The air tube can stretch and be able to reach each of the tires.

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17-01-2019 дата публикации

MULTIPLE DIAPHRAGM PUMP

Номер: US20190017499A1
Принадлежит:

A diaphragm pump assembly can include a pump drive chamber, a first pump diaphragm chamber, and a second pump diaphragm chamber. The assembly can include a pump motor configured to rotate a motor shaft extending into the pump drive chamber. The assembly can include a cam connected to the motor shaft and configured to rotate in response to rotation of the motor shaft. The assembly can include a drive yoke having a yoke frame and a yoke pocket having a first wall and a second wall parallel and opposite the first wall. First and second pistons can connect to the drive yoke and to first and second diaphragms, respectively. The diameter of the cam can be less than and within 5% the width of yoke pocket and the yoke can be configured to move the pistons along a straight line. 1. A diaphragm pump assembly comprising: a manifold inlet;', 'a manifold outlet;', 'a pump drive chamber;', 'a first pump diaphragm chamber positioned in a first fluid path between the manifold inlet and the manifold outlet; and', 'a second pump diaphragm chamber positioned in a second fluid path between the manifold inlet and the manifold outlet, 'a valve manifold havinga pump motor having a motor shaft, the pump motor configured to rotate the motor shaft, the motor shaft extending into the pump drive chamber;a cam having a cam diameter and connected to the motor shaft, the cam configured to rotate in response to rotation of the motor shaft; a yoke frame; and', 'a yoke pocket surrounded by the yoke frame, the yoke pocket having a height, a width, a first wall extending along at least a portion of the height of the yoke pocket, and a second wall parallel and opposite to the first wall;, 'a drive yoke havinga first piston connected to the drive yoke and extending into the first pump diaphragm chamber;a second piston connected to the drive yoke and extending into the second pump diaphragm chamber;a first diaphragm connected to the first piston and positioned within the first pump diaphragm chamber;a ...

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17-04-2014 дата публикации

RECIPROCATING COMPRESSOR

Номер: US20140105764A1
Принадлежит:

A reciprocating compressor is provided that may include an outer stator; an inner stator provided at an inner side of the outer stator with a predetermined gap therebetween; a mover configured to perform a reciprocating movement in the gap between the outer stator and the inner stator; a piston coupled to the mover to perform a reciprocating movement therewith; a cylinder, into which the piston may be inserted to form a compression space while performing a reciprocating movement; a frame coupled to the cylinder; a first support member coupled to the outer stator and the frame; and a second support member separated from the first support member, but coupled to the inner stator and the frame, thereby facilitating concentricity of the motor and compressor device, as well as simplifying an assembly process as the motor and compressor device are divided into several blocks for assembly. 1. A reciprocating compressor , comprising:an outer stator;an inner stator provided at an inner side of the outer stator with a predetermined gap therebetween;a mover configured to perform a reciprocating movement in the gap between the outer stator and the inner stator;a piston coupled to the mover to perform a reciprocating movement therewith;a cylinder into which the piston is inserted to form a compression space while performing the reciprocating movement;a frame coupled to the cylinder;a first support member coupled to the outer stator and the frame; anda second support member separated from the first support member but coupled to the inner stator and the frame.2. The reciprocating compressor of claim 1 , wherein the second support member comprises:an inner circumferential surface support portion formed in a cylindrical shape to support an inner circumferential surface of the inner stator;a lateral surface support portion that extends in a flange shape from a first lateral surface of the inner circumferential surface support portion to support a first lateral surface of the inner ...

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25-01-2018 дата публикации

WOBBLE PLATE COMPRESSOR AND OXYGEN CONCENTRATOR USING THE SAME

Номер: US20180023553A1
Принадлежит:

An oxygen concentrator includes a wobble plate compressor having one or more double-headed pistons and cylinders. A wobble plate of the compressor does not spin as an axle rotates, but orbitally tilts relative to the axle, thereby causing the double-headed pistons to move within the respective cylinders. 1. A wobble plate compressor comprising:a motor that rotates an axle around an axis of rotation;a wobble plate having at least one distal attachment member, the wobble plate coupled to the axle so that the distal attachment member reciprocates upon rotation of the axle; anda double-headed piston assembly; andat least one single-piece cylinder receiving the double-headed piston assembly to define two compression chambers, the cylinder including a window through which the wobble plate engages with the piston assembly such that the distal attachment member penetrates the piston assembly whereby the piston assembly reciprocates within the cylinder along a second axis parallel to the axis of rotation upon rotation of the axle and the distal attachment member reciprocates generally in an axial path along the second axis.2. The wobble plate compressor of claim 1 , further comprising a wobble anti-rotation device configured to prevent rotation of the wobble plate.3. The wobble plate compressor of claim 2 , wherein the wobble anti-rotation device includes a shoe pivotally coupled to the wobble plate and configured to slide against an exterior of the cylinder.4. The wobble plate compressor of claim 1 , further comprising a piston anti-rotation device configured to prevent rotation of the piston assembly relative to the cylinder.5. The wobble plate compressor of claim 4 , wherein the piston anti-rotation device includes a flange provided to the wobble plate and configured to slide against a portion of the piston assembly.6. The wobble plate compressor of claim 5 , wherein the portion of the piston assembly includes a post extending between opposite heads of the piston assembly ...

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10-02-2022 дата публикации

AIR COMPRESSOR

Номер: US20220042501A1
Принадлежит: MAKITA CORPORATION

An air compressor more reliably protects a battery pack without lowering its operability for attachment to and detachment from a battery mount. The air compressor includes an electric motor driven on power from a battery pack having six faces, an operation unit operable to connect or disconnect power to the electric motor, an compression unit driven by the electric motor to produce compressed air, a tank that stores the compressed air, a battery mount that receives an attachment face of the battery pack, and a guard defining a protective area to contain the battery pack and the compression unit. The battery pack is attachable to the battery mount with at least three of the six faces exposed. 1. An air compressor , comprising:an electric motor driven on power from a battery pack having six faces;an operation unit operable to connect or disconnect power to the electric motor;an compression unit driven by the electric motor to produce compressed air;a tank configured to store the compressed air;a battery mount configured to receive an attachment face of the battery pack; anda guard defining a protective area to contain the battery pack and the compression unit, the battery pack being attachable to the battery mount with at least three of the six faces exposed.2. The air compressor according to claim 1 , further comprising:a compression unit cover covering the compression unit,wherein the battery mount is located on an upper surface of the compression unit cover.3. The air compressor according to claim 1 , whereinthe tank has a tank axis extending in a lateral direction,the electric motor has a motor axis extending in the lateral direction, andthe electric motor and the tank are adjacent to each other in a front-rear direction in a lower portion of the air compressor.4. The air compressor according to claim 1 , whereinthe compression unit includes a cylinder accommodating a piston configured to reciprocate vertically, andthe battery mount is adjacent to the cylinder and ...

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28-01-2021 дата публикации

OIL SEPARATOR AND COMPRESSED AIR DRYING SYSTEM

Номер: US20210023489A1
Принадлежит:

An oil separator is provided with: a heating device for heating liquid accumulated in a drainage storage section; a connection pipe for connecting the drainage storage section to an external device utilizing oil; an opening and closing device for opening and closing the flow passage of the connection pipe; and a determination device for determining whether or not to deliver the liquid, which is accumulated in the drainage storage section, to the external device. The opening and closing device is configured so as to open the flow passage of the connection pipe when the determination device determines that the liquid accumulated in the drainage storage section is to be delivered to the external device. 1. A compressed-air drying system that traps water and oil contained in compressed air , the system comprising: the air dryer is configured to trap water and oil contained in compressed air during a loading mode operation and to eject the trapped water and oil during an unloading mode operation, and', 'the oil mist separator is configured to trap oil contained in compressed air during a loading mode operation and to eject the trapped oil during an unloading mode operation; and, 'at least one of an air dryer and an oil mist separator, wherein'}an oil separator that is configured to store the ejected water and oil in a liquid storage portion,wherein the oil separator is arranged above the at least one of the air dryer and the oil mist separator in a vertical direction.2. The compressed-air drying system according to claim 1 , whereinthe air dryer is configured to eject air containing the trapped water and oil to the oil separator during the unloading mode operation, andthe oil separator is configured to separate water and oil from the ejected air and store the separated water and oil in the liquid storage portion.3. The compressed-air drying system according to claim 1 , whereinthe compressed-air drying system is mounted in a vehicle having a loading platform,the at least ...

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29-01-2015 дата публикации

Screen panel for covering at least partly an air intake opening of an air inlet house of a combustion engine or a compressor

Номер: US20150027095A1
Принадлежит: Global Power Netherlands BV

The invention relates to a screen panel ( 7 ) for covering an air intake opening ( 5 ) of an air inlet house ( 1 ) of a combustion engine, which air inlet house ( 1 ) has at least one filter for filtering the air to be supplied to the combustion engine, wherein the screen panel ( 7 ) comprises at least a frame ( 13 ) to be connected to the air inlet house ( 1 ) of the combustion engine, and at least a metal grid ( 11 ) to be connected with the frame ( 13 ) for at least partly covering the air intake opening ( 5 ) of the air inlet house ( 1 ).

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24-01-2019 дата публикации

PLASTIC AIR PUMP MOVEMENT

Номер: US20190024649A1
Автор: Kuang Xinhua
Принадлежит:

A plastic air pump movement comprises a plastic cylinder, a plastic piston, a plastic output plate and a power mechanism, wherein the power mechanism comprises a plastic gear, a plastic swing arm and a motor. It further comprises a plastic support for fixing and supporting the motor, the plastic gear, the plastic swing arm and the plastic cylinder. The plastic output plate is fixedly connected with the plastic cylinder by a rotary snap-fit joint. The plastic support is fixedly connected with the motor and the plastic cylinder by rotary snap-fit joints. The plastic air pump movement is integrally arranged within a plastic housing. A groove fitting with the plastic cylinder, the plastic output plate, the plastic support, the plastic swing arm, the plastic gear and the motor is provided within the plastic housing. Due to the components made of plastic material, it has light weight. 1. A plastic air pump movement , characterized in that: the plastic air pump movement comprises a plastic cylinder , a plastic piston , a plastic output plate and a power mechanism , wherein the power mechanism comprises a plastic gear , a plastic swing arm , and a motor;wherein the air pump movement further comprises a plastic support for fixing and supporting the motor, the plastic gear, the plastic swing arm and the plastic cylinder;wherein the plastic output plate is fixedly connected with the plastic cylinder by a rotary snap-fit joint, the plastic support is fixedly connected with both the motor and the plastic cylinder by rotary snap-fit joints;the plastic air pump movement is integrally arranged within a plastic housing, and a groove which fits with the plastic cylinder, the plastic output plate, the plastic support, the plastic swing arm, the plastic gear and the motor is provided within the plastic housing.2. The plastic air pump movement according to claim 1 , characterized in that: the plastic cylinder is made of PPS plastic material with high strength claim 1 , the plastic ...

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24-01-2019 дата публикации

Air Compressor

Номер: US20190024651A1
Принадлежит:

An oil—cooled air compressor is provided with: an oil—cooled air compressor for compressing sucked-in air and discharging the compressed air; an oil separator for separating the compressed air and lubricating oil, which are discharged from the air compressor body; an oil cooler for cooling, by outside air, lubricating oil discharged from the oil separator; oil supply pipe passage for supplying lubricating oil, which is discharged from the oil cooler, to a bearing of the air compressor body and to an intermediate section in the process of compression by the air compressor; and an after-cooler for cooling, by outside air, air discharged from the oil separator. The oil-cooled air compressor in which the air compressor, the oil separator, the oil cooler, and the after-cooler are connected to supply high-pressure air to the outside of the compressor is provided with a vapor compression type refrigeration cycle. 1. An air compressor being an oil-cooled air compressor including: an oil-cooled air compressor that compresses intake air and discharges the air; an oil separator that separates compressed air discharged from the air compressor body and lubricating oil from each other; an oil cooler that cools the lubricating oil discharged from the oil separator with outside air; an oil supply pipeline for supplying the lubricating oil discharged from the oil cooler to a bearing of the air compressor body and an intermediate part of the air compressor during compression; and an aftercooler that cools the air discharged from the oil separator with the outside air , wherein the air compressor , the oil separator , the oil cooler , and the aftercooler are connected together to supply high pressure air outside the compressor ,the air compressor comprising a refrigeration cycle of a vapor compression type, wherein the refrigeration cycle is constructed by annularly connecting a refrigerant compressor, a condenser, an expansion valve, a first evaporator, and a second evaporator ...

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24-01-2019 дата публикации

Compressor

Номер: US20190024652A1

According to the present invention, there is provided a compressor including: a piston reciprocated in a cylinder; a valve seat plate provided with a port through which a fluid passes along with the reciprocation of the piston; a valve provided in the valve seat plate to open/close the port; a valve receiver regulating the degree of opening of the valve; and a stress suppression member provided between the valve and the valve receiver, wherein the stress suppression member includes a valve exposing portion exposing the valve.

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24-04-2014 дата публикации

Sealed compressor housing

Номер: US20140112811A1

A sealed compressor housing includes a tubular top cover ( 1 ) and a tubular lower housing ( 2 ) each with an elliptical horizontal cross section that can be snap-fitted together. Major and minor axial centerlines ( 21, 22 ) of the top cover ( 1 ) and the lower housing ( 2 ) respectively coincide with each other. A centerline of a cylinder core of a cylinder block ( 6 ) coincides with the major axial centerlines ( 21 ). A terminal pin ( 3 ) is provided on the lower housing ( 2 ) and is disposed axially symmetrical about a centerline ( 23 ) of the terminal pin. A top face of the top cover ( 1 ) has an asymmetrically spherical shape. A portion of the top face on the side of the terminal pin and a front side of the top face are higher than a rear side thereof. A bottom outer surface of the lower housing ( 2 ) has a smooth ellipsoid shape. An angle is formed between the centerline ( 23 ) of the terminal pin and the major axial centerlines ( 21 ).

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29-01-2015 дата публикации

Compressor Intake Muffler And Filter

Номер: US20150030473A1
Принадлежит: BLACK & DECKER INC.

A compressor assembly having a high velocity muffler system which produces a particle-free compressor pump feed while reducing noise output from the compressor assembly during compressing operations. The high velocity muffler system is maintenance-free and comprises an inertia filter. The compressor assembly uses a method for producing a compressor pump feed and reducing noise during compressing operations by processing a gas through the high velocity muffler system which has an inertia filter and a muffler chamber to produce a compressor pump feed which can be compressed by a pump assembly. 1. A muffler system for a compressor assembly , comprising:an inertia filter; anda muffler chamber;wherein the inertia filter filters a gas which is fed to the muffler chamber and which exits the muffler chamber for compression by a pump assembly.2. The muffler system according to claim 1 , wherein the gas is air.3. The muffler system according to claim 1 , wherein the inertia filter is a T-inertia filter.4. The muffler system according to claim 1 , wherein the inertia filter is a stepped inertia filter.5. The muffler system according to claim 1 , wherein the inertia filter is a recessed inertia filter.6. The muffler system according to claim 1 , wherein the muffler chamber is free of a filter medium.7. The muffler system according to claim 1 , wherein the inertia filter has an inertia filter feed angle in a range of 15° to 90°8. The muffler system according to claim 1 , wherein the inertia filter has a counterflow feed.9. The muffler system according to claim 1 , wherein the compressor assembly comprises an inertia filter baffle.10. The muffler system according to claim 1 , further comprising at least one of a muffler feed line and a muffler outlet line which has an inner diameter which is in a range of 5% to 75% of a diameter of the muffler chamber.11. A method for producing a compressor pump feed claim 1 , comprising the steps of:providing a compressor pump assembly having an ...

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29-01-2015 дата публикации

SEALED COMPRESSOR AND REFRIGERATION UNIT COMPRISING SEALED COMPRESSOR

Номер: US20150030478A1
Принадлежит: Panasonic Corporation

A sealed compressor comprises a sealed container () which accommodates an electric component () and a compression component (); wherein the compression component () includes a shaft () including a main shaft section () and an eccentric shaft section (), a cylinder block (), a piston (), and a main bearing unit () mounted to the cylinder block () and supporting the main shaft section () such that the main shaft section () is rotatable, a thrust ball bearing () mounted to a thrust surface () of the main bearing unit (); and the thrust ball bearing () includes a plurality of balls () held in a cage (), an upper race () having main surfaces one of which is in contact with upper portions of the balls (); and a lower race () having main surfaces one of which is in contact with lower portions of the balls () and; a restricting means for restricting a displacement of the upper race () with respect to the shaft (). 1. A sealed compressor comprising:an electric component including a stator and a rotor;a compression component actuated by the electric component;a sealed container which accommodates the electric component and the compression component and stores lubricating oil therein;wherein the compression component includes a shaft including a main shaft section to which the rotor is fastened and an eccentric shaft section, a cylinder block having a compression chamber, a piston reciprocatable inside the compression chamber, a connecting member for coupling the piston to the eccentric shaft section, and a main bearing unit mounted to the cylinder block and supporting the main shaft section such that the main shaft section is rotatable, a thrust ball bearing mounted to a thrust surface of the main bearing unit; and the thrust ball bearing includes a plurality of balls held in a cage, an upper race having main surfaces one of which is in contact with upper portions of the balls; and a lower race having main surfaces one of which is in contact with lower portions of the balls ...

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29-01-2015 дата публикации

MULTIPLE PARTS REED VALVE AND METHOD OF MANUFACTURING

Номер: US20150030484A1
Автор: Rosa Jose Ubaldino
Принадлежит:

An improved membrane valve and method for manufacturing such membrane valve. The improved membrane valve can be used for transferring fluids or gases in hermetic or semi-hermetic compressors, including a method and system for manufacturing a membrane valve and a membrane valve with applications for use in several motors, particularly in hermetic or semi-hermetic compressors which use, as a refrigeration fluid, an appropriate type of gas thus promoting the refrigeration physical affect. A body and a membrane of the membrane valve are produced from substantially thin metallic plates separately in accordance to an available process and can be subjected to rounding in order to eliminate live corners, and then juxtaposed thus composing the valve, with the above mentioned membrane on one side, fitted to the body which is fixed through a connection process and, on the other side, left free to oscillate. 1. A method for manufacturing a membrane valve comprising the steps of:a. forming a planar body with a reed opening;b. forming a planar membrane; and,c. compressing said planar membrane to said planar body to secure said planar membrane to said planar body in said reed opening such that the planar membrane is in coplanar relationship with said planar body.2. The method as defined in claim 1 , wherein said connection arrangement between said body and same membrane is a compression fit claim 1 , said compression fit includes the insertion of an extension member into a recess wherein said extension member or recess deforms when said extension member is inserted into said recess.3. The method as defined in claim 2 , wherein said compression fit is absent a weld claim 2 , solder claim 2 , braze claim 2 , adhesive claim 2 , or binding agent.4. The method as defined in claim 1 , wherein said body is formed of a different material than said membrane.5. The method as defined in claim 3 , wherein said body is formed of a different material than said membrane.6. The method as defined ...

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02-02-2017 дата публикации

Compressor, compressor housing, and method for manufacturing compressor housing

Номер: US20170030343A1
Принадлежит: Sumitomo Bakelite Co Ltd

A housing ( 10 ) of a compressor ( 1 ) according to the present embodiment includes at least one compression chamber ( 101 ) that compresses a gas aspirated into the inside thereof and is composed of a metal-resin composite ( 16 ) in which a resin member ( 14 ) composed of a thermosetting resin composition and a metal member ( 12 ) are bonded to each other. In a case where the metal-resin composite ( 16 ) is made into a test piece in which the resin member ( 14 ) having a thickness d 1 and the metal member ( 12 ) having a thickness d 2 are laminated on and bonded to each other and a ratio of d 1 /d 2 is 3, and the test piece is put in a first state where the test piece is disposed, the surface on the resin member ( 14 )-exposed side up, on two supports with no stress applied thereto and a second state where a 1-point bending stress of 140 MPa is applied in a thickness direction to the center of the surface on the resin member ( 14 ) side such that the center caves in after the first state, when putting in the first and second states is alternately repeated 1,000,000 times at a frequency of 30 Hz under a temperature condition of 25° C., the metal-resin composite exhibits bending fatigue resistance in which neither peeling nor fracture occurs.

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02-02-2017 дата публикации

VANE COMPRESSOR

Номер: US20170030353A1
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

A vane compressor includes a housing having therein a suction chamber, a discharge chamber having a cover, and a rotor chamber, a rotor having therein a plurality of vane slots, and a plurality of vanes. The housing includes a partition that has a first surface forming the other surface of the rotor chamber and a second surface and separates the rotor chamber from the discharge chamber. An intermediate pressure chamber having a pressure that is lower than the discharge chamber and higher than the suction chamber is formed between the partition and the cover. A part of the second surface and a part of a covering surface of the discharge chamber cover are spaced away from each other by the intermediate pressure chamber. The intermediate pressure chamber is disposed so as to overlap at least a part of the other surface of the rotor chamber. 1. A vane compressor comprising:a housing having therein a suction chamber, a discharge chamber, and a rotor chamber;a rotor that is disposed in the rotor chamber so as to be rotatable about an axis of rotation and has therein a plurality of vane slots;a plurality of vanes that is provided in the respective vane slots so as to be slidable in and out of the vane slots; anda plurality of compression chambers formed by one surface of the rotor chamber, an inner peripheral surface of the rotor chamber, the other surface of the rotor chamber, an outer peripheral surface of the rotor, and the vanes, whereinthe housing includes a partition that separates the rotor chamber from the discharge chamber,the partition has a first surface forming the other surface of the rotor chamber and a second surface that is located opposite to the first surface in the direction of the axis of rotation,the discharge chamber has therein a cover that is fixed to the partition and has a covering surface facing the second surface,an intermediate pressure chamber is formed between the partition and the cover, the intermediate pressure chamber spacing a part of ...

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04-02-2016 дата публикации

Collecting and removing condensate from a gas extraction system

Номер: US20160032720A1
Принадлежит: Halliburton Energy Services Inc

A gas extraction system for gas analysis is provided. The gas extraction system includes the use of a peristaltic pump for moving condensates to a liquid trap assembly. An improved fluid flow is thus provided, which includes delivering condensate from a condensate separator to a peristaltic pump and delivering the condensate from the peristaltic pump to a liquid trap assembly.

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04-02-2016 дата публикации

DEVICE FOR PUMPING FLUID FROM A WELLBORE

Номер: US20160032912A1
Принадлежит: SHELL OIL COMPANY

A pump device for pumping fluid from a wellbore, comprising: a piston member () movably arranged in a pump chamber () between a first position and a second position, in a manner allowing the piston member to perform a series of pump strokes, whereby at each pump stroke a volume of said fluid is pumped out of the pump chamber () by the piston member; a fluid conduit () arranged to move the piston member () from the first position to the second position by a selected fluid pressure increase in the fluid conduit; an inlet channel () connecting the pump chamber to a storage chamber () for receiving said volume of fluid from the pump chamber (); first valve means () arranged in the inlet channel for allowing fluid flow from the pump chamber () to the storage chamber () and for preventing fluid flow from the storage chamber to the pump chamber; pressurising means () for applying hydraulic pressure to the volume of fluid in the storage chamber (); an outlet channel () for discharging the volume of fluid from the storage chamber () into the fluid conduit (); second valve means () for allowing fluid flow from the storage chamber () to the pump chamber () and for preventing fluid flow from the pump chamber to the fluid conduit (); a fluid inlet () for inflow of said volume of fluid from the wellbore into the pump chamber (); and third valve means () to prevent outflow of fluid from the pump chamber () to the fluid inlet (). 1. A pump device for pumping fluid from a wellbore , comprising:a piston member movably arranged in a pump chamber between a first position and a second position, in a manner allowing the piston member to perform a series of pump strokes, whereby at each pump stroke a volume of said fluid is pumped out of the pump chamber by the piston member;a fluid conduit arranged to move the piston member from the first position to the second position by a selected fluid pressure increase in the fluid conduit;an inlet channel connecting the pump chamber to a storage ...

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