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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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Применить Всего найдено 6671. Отображено 100.
26-09-2019 дата публикации

Компрессор косметологический

Номер: RU0000192704U1

Компрессор косметологический подачи сжатого воздуха для косметических процедур ухода за кожей содержит размещенные во внутреннем объеме корпуса поршневой узел 1 сжатия воздуха со встроенным приводным двигателем, выполненный цилиндрической конфигурации. На верхней стороне узла 1 закреплен блок 2 программного управления цилиндрической конфигурации, причем оси узла 1 и блока 2 расположены взаимно перпендикулярно. Блок 2 выполнен с встроенными контроллером, таймером, блоком памяти времени обработки кожи пациента, средствами автоматического отключения электропитания. Блок 2 подключен к переключателю 14 регулировки давления сжатого воздуха до определенного значения, датчикам 19, 20 контроля давления сжатого воздуха, а также к информационной панели. Компрессор снабжен средством охлаждения в виде вентилятора 5. Корпус компрессора выполнен составным из соединенных основания и съемного кожуха. Основание выполнено с дном 6 и с торцевыми стенками 7, 8 корпуса, на одной из которых снаружи закреплены сопло 9 и кронштейн для насадки 17 съемного распылителя, а на другой - решетка 10. Кожух выполнен с верхней крышкой 11 и с продольными стенками 12, 13 корпуса. На стенке 7, выполненной с решеткой 10 для пропускания вентилятором 5 наружного воздуха, также размещен переключатель 14, на верхней крышке 11 имеется переносная ручка 16. Основание и кожух выполнены с крышкой 11, дном 6 и стенками 7, 8, 12, 13 из металлических или пластмассовых пластин, соединенных резьбовыми крепежными элементами 3, 4. Блок памяти времени обработки кожи (в составе блока 2 программного управления) выполнен с возможностью сохранения значений полезного времени и температуры корпуса, когда температура равна или превышает предварительно установленное значение, и иной пользовательской информации. Заявляемый компрессор косметологический является более долговечным и надежным за счет недопущения перегрева и обеспечения постоянного контроля температурного режима с помощью блока программного управления, осуществляющего ...

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26-01-2012 дата публикации

Compressor

Номер: US20120019092A1
Автор: Yoshihiro Kataoka
Принадлежит: Daikin Industries Ltd

A compressor includes a casing and a motor disposed inside the casing. The motor is welded to the casing at a plurality of weld positions. The motor includes a core, a coil, at least one insulating member and a gap. The core has an annular back yoke portion, a plurality of tooth portions projecting radially inwardly from the back yoke portion and a slot formed between the tooth portions adjacent to each other. The coil is disposed in the slot. The insulating member is disposed in the slot to insulate the coil from the core. The gap is provided between the back yoke portion and the insulating member.

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25-10-2012 дата публикации

Cooling system for reciprocating compressors and a reciprocating compressor

Номер: US20120267075A1

Cooling system for reciprocating compressors comprising an atomizing nozzle ( 1 ) that supplies an atomized lubricating fluid inside the compressor cylinder ( 2 ), a heat exchanger ( 6 ) intended for cooling the lubricating fluid to be atomized at the nozzle ( 1 ), a fluid separator ( 5 ) for separating a mixture of cooling fluid and lubricating fluid and directing the lubricating fluid back from the system, and a blocking element ( 7 ) arranged between the atomizing nozzle ( 1 ) and the heat exchanger ( 6 ) to prevent the buildup of lubricating fluid in the cylinder. Reciprocating compressor having the cooling system as described.

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03-01-2013 дата публикации

Linear compressor

Номер: US20130004335A1
Принадлежит: LG ELECTRONICS INC

The present invention relates to a linear compressor which can perform the natural cooling capacity modulation, even if a capacitor connected to a motor is removed. The linear compressor includes a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, one or more springs provided to elastically support the movable member in the motion direction of the movable member, a motor connected to the movable member to linearly reciprocate the movable member in the axial direction, and a motor control unit performing the cooling capacity modulation by the reciprocation of the movable member according to a load, by controlling an AC voltage applied to the motor so that a stroke of the movable member can be proportional to the magnitude of the AC voltage applied to the motor.

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24-01-2013 дата публикации

Structure for fixing electric part for motor-driven compressor

Номер: US20130021753A1
Принадлежит: Toyota Industries Corp

An electric part fixing structure for a motor-driven compressor includes an electric part having a plurality of leads and a guide member for positioning the leads. The guide member is made of a plastic and has a guide hole through which the lead is passed.

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14-03-2013 дата публикации

Compressor Intake Muffler And Filter

Номер: US20130062141A1
Принадлежит: Black and Decker Inc

A muffler for a feed air system of a compressor assembly. The muffler can be a product of a blow molding process and used in a method of sound control for a compressor assembly. A method of controlling sound in a compressor assembly can have the step of providing a feed air and the step of providing the muffler an outlet in communication with an inlet of a pump assembly which can compress the feed air fed through the muffler and into the pump assembly. Sound control for a compressor assembly is also accomplished by adapting a feed air system to have sound control of a feed air path by dampening the sound emitted from a pump system through the feed air path.

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14-03-2013 дата публикации

Tank Dampening Device

Номер: US20130064642A1
Принадлежит: Black and Decker Inc

A compressor assembly having a compressed gas tank having a tank dampening device in the form of a vibration absorption member. The vibration absorption member can provide a pressure to a portion of the compressed gas tank. A method of controlling sound emitted from a compressor assembly, by using a vibration absorber which exerts a force upon the compressed gas tank. A means for controlling the sound level of a compressed gas tank by using a means for absorbing vibration from the compressed gas tank which exerts a pressure on a portion of the compressed gas tank.

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14-03-2013 дата публикации

Method Of Reducing Air Compressor Noise

Номер: US20130064689A1
Принадлежит: Black and Decker Inc

A compressor assembly having a tank seal which seals a tank gap between a portion of a housing of the compressor assembly and a portion of a compressed gas tank and a method for controlling the sound level of a compressor assembly by configuring a tank seal to seal a gap between the housing of a compressor assembly and a compressed gas tank. The sound level of the compressor assembly can be controlled by sealing a tank gap between at least a portion of a compressor assembly housing and at least a portion of a compressed gas tank.

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02-05-2013 дата публикации

COMPRESSED AIR ENERGY STORAGE SYSTEM UTILIZING TWO-PHASE FLOW TO FACILITATE HEAT EXCHANGE

Номер: US20130108480A1
Принадлежит: LightSail Energy Inc.

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control. 1. A method comprising:flowing gas through a valve to a chamber receiving a moveable member and a mechanical linkage in communication with the moveable member;causing the mechanical linkage to drive the moveable member to compress gas within the chamber;effecting gas-liquid heat exchange with gas being compressed within the chamber; andcausing a control system to control a state of the valve based upon an efficiency.2. A method as in wherein the mechanical linkage is configured to convert shaft torque into reciprocating motion.3. A method as in wherein the mechanical linkage comprises a piston rod and a crankshaft.4. A method as in wherein the mechanical linkage further comprises a cross-head.5. A method as in wherein the moveable member is configured to rotate within the chamber.6. A method as in wherein moveable member comprises a screw claim 5 , a rotor claim 5 , a lobe claim 5 , or a vane.7. A method as in wherein moveable member within the chamber defines a turbine.8. A method as in wherein the ...

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02-05-2013 дата публикации

Motor-driven compressor

Номер: US20130108485A1
Принадлежит: Toyota Industries Corp

A motor-driven compressor includes a compression mechanism compressing refrigerant gas, an electric motor driving the compression mechanism, a housing made of a thermally conductive material and accommodating the compression mechanism and the electric motor and an inverter assembly controlling rotation of the electric motor. The inverter assembly includes an elastic member made of a thermally conductive material and disposed in contact with the housing, a circuit board supported directly by the elastic member, an electronic part mounted on the circuit board and a base member made of a thermally conductive material, fixed to the housing and having a closed end. The base member fixes the electronic part. The base member and the housing cooperate to form an accommodation space that accommodates the elastic member, the circuit board and the electronic part. The closed end of the base member and the elastic member forms therebetween a space.

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02-05-2013 дата публикации

Air-Cooled Reciprocating Compressor Having Special Cooling Air Conduction

Номер: US20130108487A1

An air-cooled reciprocating compressor for vehicles includes a compressing unit, which has a plurality of cylinders and is driven by a motor and has a fan for generating a cooling air flow. The fan is disposed on a connecting shaft between the motor and the compressing unit and takes in cooling air from the surroundings and delivers cooling air to a downstream cooling air duct, wherein the cooling air duct at least partially surrounds the cylinders and is designed such that cooling air can flow around all in-line cylinders of the compressing unit. 1. An air-cooled reciprocating compressor for a vehicle , comprising:a compressing unit having a plurality of in-line cylinders;a motor operatively configured to drive the compressing unit; the fan is arranged on a connecting shaft between the motor and the compressing unit and draws in cooling air from an environment and delivers the cooling air to a downstream located cooling air duct, and', 'the cooling air duct is operatively configured to at least partially surround the plurality of in-line cylinders such that cooling air is flowable uniformly around all the in-line cylinders of the compressing unit., 'a fan operatively arranged to generate a cooling air flow, wherein2. The air-cooled reciprocating compressor according to claim 1 , wherein the cooling air duct conducts the cooling air flow around the in-line cylinders on two sides of each cylinder and perpendicular to a rotational direction of the compressing unit.3. The air-cooled reciprocating compressor according to claim 1 , wherein cross-sections of the cooling air duct are configured such that a cylinder closest to the fan undergoes a reduction in cooling air supply due to a constriction of the cross-section in order for at least one other cylinder further away from the fan to receive approximately a same amount of cooling air as the closest cylinder.4. The air-cooled reciprocating compressor according to claim 1 , wherein the cooling air duct comprises a two- ...

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04-07-2013 дата публикации

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

Номер: US20130168961A1
Принадлежит: LighSail Energy Inc

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

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25-07-2013 дата публикации

Compressor and vacuum machine

Номер: US20130189132A1
Автор: Eiji Okada, Kazuhiro Ueda
Принадлежит: Shinano Kenshi Co Ltd

A compressor includes: a cylinder; a piston arranged within the cylinder; an outer rotor type motor causing the piston to reciprocate within the cylinder; and a fan fixed to a rotor of an outer rotor type motor and facing at least a part of the cylinder.

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29-08-2013 дата публикации

COMPRESSOR AND VACUUM MACHINE

Номер: US20130224051A1
Автор: OKADA Eiji, UEDA Kazuhiro
Принадлежит: SHINANO KENSHI CO., LTD.

A compressor includes: a cylinder; a piston arranged within in the cylinder; an outer rotor type motor causing the piston to reciprocate within the cylinder; an air pipe communicated with the cylinder such that air flows into the air pipe in response to reciprocation of the piston; and a fan secured to a rotor of the outer rotor type motor and facing at least a part of the air pipe. 1. A compressor comprising:a cylinder;a piston arranged within in the cylinder;an outer rotor type motor causing the piston to reciprocate within the cylinder;an air pipe communicated with the cylinder such that air flows into the air pipe in response to reciprocation of the piston; anda fan secured to a rotor of the outer rotor type motor and facing at least a part of the air pipe.2. The compressor of claim 1 , whereinthe cylinder includes adjacent first and second cylinders, and a first air portion communicated within the first cylinder sandwiched between the first air portion and the fan;', 'a second air portion communicated within the second cylinder and sandwiched between the fan and the second cylinder; and', 'a communication portion extending between the first and second cylinders and communicating the first and second cylinders with each other., 'the air pipe includes3. The compressor of claim 2 , whereinthe first cylinder is close to the fan, andthe second cylinder is distant from the fan.4. The compressor of claim 1 , wherein the air pipe is provided between the cylinder and the fan claim 1 , and has a substantially ring shape along an outer circumference of the fan when viewed in an axial direction of rotation of the fan.5. The compressor of claim 1 , whereinthe cylinder includes adjacent first and second cylinders, andthe air pipe communicates the first and second cylinders within each other.6. The compressor of claim 1 , wherein the fan is arranged in a radial direction of the rotor.7. A vacuum machine comprising:a cylinder;a piston arranged within in the cylinder;an outer ...

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05-09-2013 дата публикации

RECIPROCATING COMPRESSOR WITH HIGH FREEZING EFFECT

Номер: US20130230415A1
Автор: Dallai Mauro
Принадлежит:

A reciprocating compressor () for a coolant comprising at least one drive shaft () actuated by a motor (); one compression piston () for the coolant (R) slidable in a respective compression chamber () and actuated by said shaft (); suction system () to supply the coolant (R) to be compressed in said compression chamber () at a suction pressure (P); a delivery system () to inject the compressed coolant (R) in an external refrigerating circuit or machine. The compressor presents a distribution system () to inject in the compression chamber, in phase with the movement of the piston, coolant at a pressure intermediate between the suction pressure and the delivery pressure. 1. A reciprocating compressor for a coolant , comprising:at least one piston slidable in a compression chamber and actuated by a drive shaft, wherein at least one supply port exits in said at least one compression chamber a supply port for supplying a coolant at a distribution pressure intermediate between a delivery pressure and a suction pressure of the compressor, and to said at least one supply port a distribution system is associated, said distribution system comprising a distributor slidable in a distribution chamber in synchronous manner with said at least one piston, said distributor controlling opening and closing of said supply port in said compression chamber, said distributor being actuated by said at least one drive shaft through a connecting rod-crank mechanism.2. A compressor as claimed in claim 1 , wherein said distributor presents at least one passage duct to put in fluid connection said distribution chamber with said at compression chamber through said supply port.34)-). (canceled)5. A reciprocating compressor as claimed in claim 1 , further comprising an inlet system to supply the coolant in said distribution chamber at the distribution pressure intermediate between the suction pressure and the delivery pressure of the compressor.6. A reciprocating compressor as claimed claim 1 , ...

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07-11-2013 дата публикации

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

Номер: US20130291529A1
Принадлежит: LightSail Energy Inc

A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

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02-01-2014 дата публикации

FLUID HEATING APPARATUS AND METHOD

Номер: US20140003967A1
Принадлежит:

An apparatus for heating a fluid such as engine oil includes an auxiliary pump, a conduit connected to the auxiliary pump and provides fluid communication from the auxiliary pump and an aperture in the conduit. In use the auxiliary pump contains the fluid. A first portion of the fluid is pumped into the conduit by the auxiliary pump and a second portion of the fluid remains in the auxiliary pump. The aperture restricts the flow of the first portion of the fluid in the conduit. The second portion of the fluid is heated due to friction between the second portion of the fluid and the pump. There is also described a method of heating a fluid. 1. An apparatus for heating a fluid , comprising:an auxiliary pump;a conduit connected to the auxiliary pump and providing fluid communication from the auxiliary pump; andan aperture in the conduit;wherein in use the auxiliary pump contains the fluid, a first portion of the fluid is pumped into the conduit by the auxiliary pump and a second portion of the fluid remains in the auxiliary pump, the aperture restricting the flow of the first portion of the fluid in the conduit, and wherein the second portion of the fluid is heated due to friction between the second portion of the fluid and the auxiliary pump.2. The apparatus according to claim 1 , wherein the apparatus is part of an internal combustion engine.3. The apparatus according to claim 2 , wherein the fluid is engine oil for circulating in the internal combustion engine.4. The apparatus according to claim 3 , wherein the internal combustion engine further comprises an oil pump for circulating the engine oil in the internal combustion engine.5. The apparatus according to claim 4 , wherein in use the auxiliary pump circulates the engine oil in the internal combustion engine.6. The apparatus according to claim 1 , wherein the auxiliary pump is powered by an electric motor.7. The apparatus according to claim 3 , wherein the auxiliary pump has a variable displacement claim 3 , such ...

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13-02-2014 дата публикации

COMPRESSOR COOLING SYSTEM USING HEAT EXCHANGER PRE-CONDENSER, AND COMPRESSOR PROVIDED FROM A COOLING SYSTEM

Номер: US20140044569A1
Принадлежит:

The present invention pertaining to the field of refrigeration equipments was designed to allow an unexpected construction and operation, and which is more efficient than the one achieved by using existing similar equipments. It is consisted of a compressor () comprised of a shell () within which it is located a compression cylinder (), whereas from the shell () it is projected an inlet tube () from an evaporator and a discharge tube (), which conducts the fluid into a condenser; at least one pre-condenser () associated with the compressor (), the pre-condenser () being fed by a tubing () from the compression cylinder () located within the compressor (), and equipped with an outlet tube (); and a heat exchanger () internal to the outer region of the compressor () and cooperative with the pre-condenser () through the outlet tube () of the pre-condenser (), the heat exchanger () comprising tubes attached around the shell () of the compressor (). 1. A compressor cooling system CHARACTERIZED in that it comprises:{'b': 1', '2', '3', '2', '5', '6, 'a compressor () comprised of a shell () within which it is located a compression cylinder (), whereas from the shell () it is projected an inlet tube () from an evaporator and a discharge tube () which conducts the fluid into a condenser;'}{'b': 7', '1', '7', '8', '3', '1', '11, 'at least one pre-condenser () associated with the compressor (), the pre-condenser () being fed by a tubing () from the compression cylinder () located within the compressor (), and equipped with an outlet tube (); and'}{'b': 91', '1', '7', '11', '7, 'a heat exchanger () internal to the outer region of the compressor () and cooperative with the pre-condenser () through the outlet tube () of the pre-condenser ().'}29121. A cooling system according to claim 1 , CHARACTERIZED in that the heat exchanger () comprises tubes attached around the shell () of the compressor ().3791919710117. A cooling system according to claim 1 , CHARACTERIZED in that the pre- ...

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13-03-2014 дата публикации

Compressor assembly with directed suction

Номер: US20140069139A1
Принадлежит: Emerson Climate Technologies Inc

A compressor may include a shell assembly, a compression mechanism and a conduit. The shell assembly may include a fitting through which fluid is received from outside of the compressor. The compression mechanism may be disposed within a chamber defined by the shell assembly. The conduit may extend through the chamber between the fitting and a suction inlet of the compression mechanism and transmit at least a portion of the fluid from the fitting to the suction inlet. The conduit may include an inlet that may be spaced apart from the fitting and an outlet that may engage the compression mechanism.

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01-01-2015 дата публикации

COMPRESSION APPARATUS AND COOLER UNIT

Номер: US20150000867A1

The present invention provides a compression apparatus capable of improving assembling workability, and the compression apparatus includes: a compressor that compresses a gas; a cooler that cools a gas discharged from the compressor in a compressed state; and a support base that supports the compressor and the cooler, wherein the support base includes a main support base having the compressor disposed thereon and an auxiliary support table connectable to the main support base, and wherein the auxiliary support table includes a base plate supporting the cooler and a plurality of leg portions supporting the base plate and stands by itself by the plurality of leg portions. 1. A compression apparatus comprising:a compressor that compresses a gas;a cooler that cools a gas discharged from the compressor in a compressed state; anda support base that supports the compressor and the cooler,wherein the support base includes a main support base having the compressor disposed thereon and an auxiliary support table connectable to the main support base, andwherein the auxiliary support table includes a base plate supporting the cooler and a plurality of leg portions supporting the base plate and stands by itself by the plurality of leg portions.2. The compression apparatus according to claim 1 ,wherein the cooler is disposed at the lower side of the base plate, andwherein the plurality of leg portions are disposed so that at least two leg portions are located at both sides of the arrangement position of the cooler with a gap interposed therebetween.3. The compression apparatus according to claim 1 ,wherein the auxiliary support table includes a suspending portion that suspends the cooler on the base plate, andwherein the suspending portion includes a variation allowing portion that allows the movement of the cooler from the arrangement position with an expansion of a pipe connecting the compressor and the cooler to each other.4. The compression apparatus according to claim 3 , ...

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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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02-01-2020 дата публикации

Hypocycloid Compressor

Номер: US20200003197A1
Автор: Colavincenzo David D.
Принадлежит:

A compressor includes a stationary housing disposed about a central axis and having a radially inner surface defining a plurality of circumferentially spaced cavities opening into an interior space of the housing. The compressor further includes a plurality of fluid volume control members, each of which is disposed within one of the plurality of cavities and defines a fluid chamber within the cavity sealed relative to the interior space. An eccentric shaft is disposed within the interior space of the housing and configured for rotation about the central axis. A hypocycloid rotor is disposed within the interior space of the housing and supported on the eccentric shaft. The rotor defines a plurality of lobes configured for movement into and out of each cavity responsive to rotation of the shaft to displace the fluid volume control member in each cavity and adjust a volume of each fluid chamber. 1. A compressor , comprising:a stationary housing disposed about a central axis and having a radially inner surface defining a plurality of circumferentially spaced cavities opening into an interior space of the housing;a plurality of fluid volume control members, each of the plurality of fluid volume control members disposed within one of the plurality of cavities and defining a fluid chamber within the cavity sealed relative to the interior space;an eccentric shaft disposed within the interior space of the housing and configured for rotation about the central axis; and,a hypocycloid rotor disposed within the interior space of the housing and supported on the eccentric shaft, the hypocycloid rotor defining a plurality of lobes configured for movement into and out of each cavity of the plurality of cavities responsive to rotation of the eccentric shaft about the central axis to displace the fluid volume control member in each cavity and adjust a volume of each fluid chamber.2. The compressor of wherein at least one of the plurality of fluid volume control members comprises a ...

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03-01-2019 дата публикации

SYSTEM FOR SUPPLYING COMPRESSED GAS TO SEVERAL GAS-FED DEVICES

Номер: US20190003425A1
Автор: Pages Guillaume
Принадлежит: Cryostar SAS

A system for supplying compressed gas to several gas-fed devices is based on a liquid piston gas multistage compressor (). Gas pressure measurements performed at a gas intake (), an intermediate gas outlet () and at an end gas outlet () of the system allow controlling respective gas capacities of the compressor stages. Easy and reliable control can thus be obtained for the system operation. Varying the number of the compressor stages allows matching any pressure requirements for the gas delivery to all the gas-fed devices, and varying the gas capacities of the compressor stages allows easy adaptation to variable gas consumptions of the gas-fed devices. 2. System according to claim 1 , further comprising:{'b': 12', '11', '13', '1, 'a first controller () connected for receiving a first pressure set-point, and also for receiving the first pressure measurement results from the first pressure sensor (), and connected for transmitting at least one first operating parameter value to the first regulation means (), said at least one first operating parameter controlling the gas capacity of the first compressor stage () in the chain, and being inferred by the first controller from at least one difference between one of the first pressure measurement results and the first pressure set-point;'}{'b': 22', '21', '20', '24, 'a second controller () connected for receiving a second pressure set-point, and also for receiving the second pressure measurement results from the second pressure sensor (), and connected for transmitting a second operating parameter value to the second regulation means, said second operating parameter controlling a gas flow through the intermediate gas outlet () using the draw-off valve (), and being inferred by the second controller from at least one difference between one of the second pressure measurement results and the second pressure set-point; and'}{'b': 32', '31', '43', '4, 'a third controller () connected for receiving a third pressure set-point, ...

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03-01-2019 дата публикации

Portable pump

Номер: US20190003468A1
Принадлежит: Walmsley Developments Pty Ltd

A portable pump is provided including an electric motor having a drive shaft connected to a gear assembly to drive a reciprocating air compressor arrangement. The reciprocating air compressor arrangement includes a crank that drives a connecting rod and a piston within a cylinder. The connecting rod has a first end and a second end and the first end of the rod is connected to the crank while the second end of the rod connected to the piston (to drive the piston in the cylinder and provide compression). The second end of the connecting rod is connected to the piston via a pin. The piston includes a sealing arrangement. A control unit is provided which is in electrical communication with the electric motor and the air compressor to control the operation of the pump arrangement. A power supply is also provided in electrical communication with the control unit to supply power to the control unit and electric motor. The pump is provided within a housing which accommodates the electric motor, the gear assembly, the reciprocating air compressor, the control unit and the power supply. A outlet connected to the reciprocating air compressor is also provided so as to engage with an object to be pumped.

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03-01-2019 дата публикации

HEAT EXCHANGE UNIT

Номер: US20190003469A1
Принадлежит: AGC Inc.

A heat exchange unit includes a compressor configured to compress a working medium that circulates through a refrigerating cycle, the working medium including 1,1,2-trifluoroethylene, a heat exchanger provided in the refrigerating cycle, and a heat dissipation means configured to dissipate heat generated in the compressor without using the working medium. 1. A heat exchange unit comprising:a compressor configured to compress a working medium that circulates through a refrigerating cycle, the working medium comprising 1,1,2-trifluoroethylene;a heat exchanger provided in the refrigerating cycle; anda heat dissipation means configured to dissipate heat generated in the compressor without using the working medium.2. The heat exchange unit according to claim 1 ,wherein the heat dissipation means comprises a blower configured to increase an air flow flowing along a surface of the heat exchanger to enhance heat exchange in the heat exchanger so that an air flow sent from the blower is used to dissipate the heat generated in the compressor andthe heat exchanger unit further comprises a partition that separates a space where the blower is provided from a space where the compressor is provided, andwherein the partition has a vent hole formed therein at a position corresponding to the compressor.3. The heat exchange unit according to claim 2 , comprising an air deflector that directs a part of the air flow sent from the blower toward the compressor.4. The heat exchange unit according to claim 3 , wherein the air deflector is configured to be rotatable toward the compressor.5. The heat exchange unit according to claim 2 , wherein the blower comprises a wind direction changing part that changes the direction of wind of the blower toward the compressor.6. The heat exchange unit according to claim 5 , comprising:a detecting part that detects a temperature of the working medium discharged from the compressor;a determination part that determines whether or not the temperature of the ...

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11-01-2018 дата публикации

PIPELINE-TRANSPORT COMPRESSOR INCLUDING COOLER UNIT AND AIR EXHAUST POWER GENERATION UNIT

Номер: US20180010477A1
Принадлежит:

An apparatus includes a pipeline-transport compressor configured to receive, in use, a product stream from a pipeline. The cooler unit is configured to receive, in use, a cooler air intake from the pipeline-transport compressor. This is done in such a way that removal of the cooler air intake by the cooler unit, in use, moves the cool air across the cooler bundles and out through the cooler unit, and cools the pipeline-transport compressor. An air exhaust power generation unit is configured to generate, in use, electric power in response to the cooler unit, in use, urging, at least in part, the cooler air intake toward, at least in part, the air exhaust power generation unit. 1. An apparatus , comprising:a pipeline-transport compressor being configured to receive, in use, a product stream from a pipeline; andthe pipeline-transport compressor also being configured to pressurize, in use, the product stream that was received from the pipeline; andthe pipeline-transport compressor also being configured to provide, to the pipeline, the product stream that was pressurized; anda cooler unit being positioned relative to the pipeline-transport compressor; andthe cooler unit being configured to receive, in use, a cooler air intake from the pipeline-transport compressor in such a way that removal of the cooler air intake by the cooler unit, in use, cools the pipeline-transport compressor; andan air exhaust power generation unit being positioned relative to the cooler unit; andthe air exhaust power generation unit being configured to generate, in use, electric power in response to the cooler unit, in use, urging, at least in part, the cooler air intake toward, at least in part, the air exhaust power generation unit.2. The apparatus of claim 1 , wherein:the cooler unit is coupled to (or connected to) the pipeline-transport compressor; andthe air exhaust power generation unit is coupled to (or connected to) the cooler unit.3. The apparatus of claim 1 , wherein:the cooler unit ...

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19-01-2017 дата публикации

Reciprocating compressor and hydrogen supply system

Номер: US20170016435A1
Автор: Atsuo Okaichi, Mio Furui

A reciprocating compressor of the disclosure includes a cylinder, a piston, a space for compressing gas, a discharge port for discharging the compressed gas from the space, a discharge valve, and a supplying port for supplying liquid that is different in kind from the gas. The cylinder has an axis extending in a direction of gravity. The piston is disposed to be reciprocable along the axis inside the cylinder. The space is constituted above the piston by being surrounded by the piston and an inner peripheral surface of the cylinder. The inner peripheral surface of the cylinder includes a straight portion and a throttle portion. The throttle portion is constituted such that an inner diameter of the cylinder decreases toward the discharge valve.

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21-01-2021 дата публикации

Compressor

Номер: US20210017974A1
Автор: Lin Yu-Wen, SUN SHI-AN
Принадлежит:

A compressor includes a motor body having a gas compressing motor, at least a pneumatic cylinder for compressing gas, and at least a cooling fan. The pneumatic cylinder comprises a cylinder support arranged on top of the compressing motor, a valve panel arranged on top of the cylinder support, a cylinder cover provided on top of the valve panel, and a piston connecting rod body slidably connected with the cylinder support. The heat dissipating channels, the gas channels, and the heat dissipating passages are arranged in series to jointly form a heat dissipation path, such that when the piston connecting rod body is driven by the compressing motor to conduct a gas compressing process in the cylinder support, the cooling fan is also driven to operate to drive the external gas to flow through the heat dissipation path and to flow out, so as to bring out the heat produced during the operation of the pneumatic cylinder and to achieve an effective heat dissipation. 1. A compressor , comprising:a motor body,at least one pneumatic cylinder for compressing gas, andat least one cooling fan,wherein said at least one pneumatic cylinder comprises a cylinder support arranged on top of said motor body, a valve panel arranged on top of said cylinder support, a cylinder cover provided on top of said valve panel, and a piston connecting rod body slidably connected with said cylinder support, wherein said cylinder support has a compression space formed and provided in a middle portion thereof for accommodating said piston connecting rod body and a plurality of heat dissipating channels provided around said compression space, wherein said valve panel provides a plurality of gas channels corresponding to said heat dissipating channels, wherein said cylinder cover provides a plurality of heat dissipating passages corresponding to said heat dissipating channels and said gas channels, wherein said heat dissipating channels, said gas channels, and said heat dissipating passages are arranged ...

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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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28-01-2021 дата публикации

COMPRESSOR TEMPERATURE CONTROL SYSTEM AND METHOD

Номер: US20210024219A1
Принадлежит:

A compressor temperature control system and method for an aircraft air cycle machine is presented. The system prevents overheating of the compressor using a low limit valve positioned between a turbine outlet and a bleed air source. The low limit valve directs the air to an air cycle machine, or bypasses the machine, in regards at least in part to the air temperature measured in the cabin supply duct. 1. A process for preventing overheating of a compressor in an aircraft air cycle system , the process comprising:receiving bleed air from a bleed air source;compressing the bleed air, thus elevating the air temperature of the bleed air;releasing the air from a compressor outlet;a turbine configured to receive the air from the compressor into a turbine, and expanding the air resulting in a decreasing the air temperature, the expanded air being released from a turbine outlet, and then being introduced into a cabin of the aircraft;positioning a low-limit control valve between the source of bleed air, the turbine outlet, and the cabin;sensing temperature at different locations in the system;a plurality of sensors positioned in different locations in said system;receiving readings from the plurality of sensors and using the readings to determine an extent of openness of the low-limit control valve to enable a portion of the bleed air to bypass the compressor, thus lowering the compressor operating temperature for the purpose of preventing an overheating of the compressor.2. The process of comprising:utilizing whichever of a determined first, second, or third low-limit valve adjustment based on which of the first, second, and third adjustment has the highest value while an air temperature reading from the cabin supply duct is within a normal temperature range.3. The process of claim 2 , comprising:utilizing the first low-limit adjustment when an air temperature reading from the cabin supply duct is in a temperature range indicative of being close to an overheat condition.4. ...

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29-01-2015 дата публикации

COMPRESSOR DEVICE AND METHOD FOR CONTROLLING SUCH A COMPRESSOR DEVICE

Номер: US20150030468A1

Compressor device that comprises a compressor element that is equipped with a compression chamber with at least one coolant inlet, and which furthermore comprises a gas outlet, a gas/coolant separation tank connected to it, and, a cooling circuit with a cooler that extends between the separation tank and the coolant inlet, and which is equipped with control means to adjust the temperature of the coolant flow supplied to the compressor element, whereby the aforementioned control means comprise a first and a second sub-controller, each with a different target parameter, whereby the control means also comprise switching means to place one of the two sub-controllers in an activated state and the other sub-controller in a deactivated state. 127-. (canceled)28. A compressor device that comprises a liquid-injected compressor element that is equipped with a compression chamber with at least one coolant inlet , and which furthermore comprises a gas outlet , a gas/coolant separation tank connected to the gas outlet , and a cooling circuit equipped with a cooler that extends between the separation tank and the coolant inlet , and which is equipped with control means to adjust the temperature of the coolant flow supplied to the compressor element , wherein the aforementioned control means comprise a first and a second sub-controller , each with a different target parameter , whereby the aforementioned control means also comprise switching means to place one of the two sub-controllers in an activated state and the other of the two sub-controllers in a deactivated state.29. The compressor device according to claim 28 , wherein the aforementioned first sub-controller is constructed in the form of a controller of the temperature of the coolant at the inlet of the cooler or a temperature practically equal to it.30. The compressor device according to claim 28 , wherein the aforementioned second sub-controller is constructed in the form of a controller of the temperature of the ...

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01-02-2018 дата публикации

ELECTRIC COMPRESSOR

Номер: US20180030972A1
Автор: Terazawa Junichirou
Принадлежит: Calsonic Kansei Corporation

When a power switching element brought into contact with a contact part formed at a back side of a suction refrigerant passage is cooled by refrigerant that has been sucked in through a suction port and that is passing through the suction refrigerant passage, high-temperature, high-pressure refrigerant flowing in from a compression chamber to a suction chamber is prevented from flowing back by a check valve. Therefore, there is always low-temperature, low-pressure refrigerant in the suction refrigerant passage, and the power switching element can be efficiently cooled by the refrigerant in the suction refrigerant passage. 1. An electric compressor which drives a compression mechanism for a refrigerant driven by the electric motor , the electric compressor comprising:a main housing housing the compression mechanism and the electric motor;a circuit housing housing a driving circuit of the electric motor, and is partitioned from the main housing by a partition wall;a suction refrigerant passage arranged on one surface of the partition wall exposed to the main housing and formed such that the refrigerant flowing into the suction refrigerant passage from an outside of the main housing through a suction port is sucked to an inside of the main housing through a refrigerant outlet;a check valve arranged in the suction refrigerant passage and configured to prevent the refrigerant from flowing backward from the refrigerant outlet toward the suction port in the suction refrigerant passage; anda power switching element contacted with a contact part in the other surface of the partition wall exposed to the circuit housing, the contact part opposed to a part of the suction refrigerant passage at a side of the suction port with respect to the check valve.2. The electric compressor according to claim 1 , wherein the check valve comprises a valve body movable along a passing direction of the refrigerant in the suction refrigerant passage; a valve seat member having a valve seat part ...

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28-01-2021 дата публикации

Electronics Enclosure With Heat-Transfer Element

Номер: US20210029847A1
Принадлежит: EMERSON CLIMATE TECHNOLOGIES, INC.

A compressor may include a compressor shell, a motor, a compression mechanism, and an assembly that houses an electronic component. The electronic component may control operation of the compressor and/or diagnose compressor faults. The assembly may include a shell, an electronic component, a fan, and an airflow deflector. The shell member may define an enclosure having an internal cavity. The fan and the electronic component may be disposed within the internal cavity. The airflow deflector may include a base portion, a first leg, and a second leg. The first and second legs may be spaced apart from each other and extend from the base portion. The fan may force air against the base portion. A first portion of the air may flow from the base portion along the first leg. A second portion of the air may flow from the base portion along the second leg. 1. A compressor comprising:a compressor shell;a compression mechanism disposed within the compressor shell;a motor disposed within the shell and driving the compression mechanism;a control module in communication with the motor and configured to control operation of the motor;an enclosure mounted to the compressor shell and defining an internal cavity, wherein the control module is disposed within the internal cavity;a fan disposed within the internal cavity; andan airflow deflector having a base portion, a first leg, and a second leg, wherein the first and second legs are spaced apart from each other and extend from the base portion,wherein the fan forces air against the base portion, wherein a first portion of the air flows from the base portion along the first leg, and wherein a second portion of the air flows from the base portion along the second leg.2. The compressor of claim 1 , wherein the airflow deflector is integrally formed with a shell member that defines the enclosure claim 1 , and wherein the airflow deflector is a recess formed in the shell member.3. The compressor of claim 1 , wherein the airflow deflector ...

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31-01-2019 дата публикации

APPARATUS AND METHOD FOR GAS COMPRESSION

Номер: US20190032650A1
Принадлежит:

An apparatus and method for substantially reducing or eliminating the introduction of ambient air into an open-crankcase compressor is disclosed. The method employs a compressed gas recycle control loop to reduce the magnitude of vacuum inside the open-crankcase compressor relative to ambient air pressure, thereby reducing or eliminating the introduction of ambient air into the open-crankcase compressor during the gas compression process. 1. An apparatus comprising: an inlet; and', 'an outlet;, 'an oil-less open-crankcase compressor in an environment, the environment comprising a quantity of ambient air, the oil-less open-crankcase compressor comprisinga quantity of compressed gas produced by the oil-less open-crankcase compressor; anda recycle loop coupled to the outlet of the oil-less open-crankcase compressor and the inlet of the oil-less open-crankcase compressor, wherein the recycle loop is configured to control the flow of the quantity of compressed gas through the recycle loop so as to introduce at least a portion of the quantity of compressed gas produced by the oil-less open-crankcase compressor from the outlet of the oil-less open-crankcase compressor to the inlet of the oil-less open-crankcase compressor, thereby substantially inhibiting the creation of a vacuum at the inlet of oil-less open-crankcase compressor relative to the quantity of ambient air, thereby substantially eliminating the intrusion of the quantity of ambient air into the compressor.2. The apparatus of wherein the recycle loop further comprises a pulsation dampener coupled to the inlet of the oil-less open-crankcase compressor.3. The apparatus of wherein the recycle loop further comprises a pulsation dampener coupled to the outlet of the oil-less open-crankcase compressor.4. The apparatus of wherein the recycle loop further comprises:a pulsation dampener coupled to the inlet of the oil-less open-crankcase compressor; anda pulsation dampener coupled to the outlet of the oil-less open- ...

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04-02-2021 дата публикации

DEVICE AND METHOD FOR COMPRESSING A WORKING MEDIUM

Номер: US20210033085A1
Принадлежит:

The invention relates to a device and a method for compressing a working medium, comprising: 1. A device for compressing a working medium comprising:a compressor for compressing a drive medium;a pressure translator with a drive piston which can be actuated by means of the drive medium within a first cylinder and with a high-pressure piston which compresses the working medium within a second cylinder; anda heat exchanger between the compressor and the first cylinder of the pressure translator for transferring heat from the compressed working medium to the compressed drive medium.2. The device according to claim 1 , further comprisinga closed circuit for the drive medium with a first line from the compressor to the first cylinder and with a second line from the first cylinder to the compressor.3. The device according to claim 2 , wherein the compressor is designed to be fully hermetic claim 2 , semi-hermetic or open.4. The device according to claim 3 , wherein the compressor and the closed circuit for the drive medium are adapted to guide the drive medium at pressure higher than ambient pressure in the circuit.5. The device according to one of claim 4 , further comprisinga cooler for cooling the drive medium in the second line between the first cylinder of the pressure translator and the compressor.6. The device according to claim 5 , further comprisinga temperature measuring element in the second line,a control unit which on the one hand is connected to the temperature measuring element and on the other hand is connected to the cooler in order to control the cooler depending on the temperature of the drive medium in the second line.7. The device according to claim 5 , further comprisinga first buffer storage device between the compressor and the heat exchanger and/or a second buffer storage device between the cooler and the compressor.8. A method for compressing a working medium comprising:compressing a drive medium in a compressor;moving a drive piston by means of ...

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04-02-2021 дата публикации

METHODS AND SYSTEMS FOR COOLING A VACUUM PUMP

Номер: US20210033086A1
Принадлежит:

A system comprises: a vacuum chamber disposed within a housing and having a vacuum port; a vacuum pump within the housing and having a gas inlet port that is fluidically coupled to the vacuum port; and a fluid circuit that comprises: one or more fluidic tubing lines, channels or conduits in thermal contact with a housing of the vacuum pump; a liquid pump fluidically coupled to an inlet of the one or more fluidic tubing lines, channels or conduits; and a heat exchanger having a heat exchanger inlet and a heat exchanger outlet, wherein the heat exchanger inlet is fluidically coupled to an outlet of the one or more fluidic tubing lines, channels or conduits and the heat exchanger outlet is fluidically coupled to the liquid pump. The fluid circuit may also include a portion that is in thermal contact with the vacuum chamber. 1. A system comprising:a vacuum chamber disposed within a housing and having a vacuum port;a vacuum pump within the housing and having a gas inlet port that is fluidically coupled to the vacuum port;one or more fluidic tubing lines, channels or conduits in thermal contact with a housing of the vacuum pump;a liquid pump fluidically coupled to an inlet of the one or more fluidic tubing lines, channels or conduits; anda heat exchanger having a heat exchanger inlet and a heat exchanger outlet, wherein the heat exchanger inlet is fluidically coupled to an outlet of the one or more fluidic tubing lines, channels or conduits and the heat exchanger outlet is fluidically coupled to the liquid pump.2. A system as recited in claim 1 , wherein the one or more fluidic tubing lines claim 1 , channels or conduits or conduits are in thermal contact with a motor housing of the vacuum pump.3. A system as recited in claim 2 , wherein the one or more fluidic tubing lines claim 2 , channels or conduits are one or more channels or conduits embedded within the motor housing.4. A system as recited in claim 1 , wherein the vacuum chamber is a component of a scientific ...

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09-02-2017 дата публикации

AIR COMPRESSOR

Номер: US20170037844A1
Принадлежит:

An air compressor includes a tank unit, a compressed air generating unit, a motor unit, a driving current generating unit, a control unit and a temperature detecting unit. The tank unit stores a compressed air. The compressed air generating unit generates the compressed air to be stored in the tank unit. The motor unit drives the compressed air generating unit. The driving current generating unit generates a driving current of the motor unit. The control unit drives the motor unit by controlling the driving current generating unit. The temperature detecting unit detects a temperature of the driving current generating unit. The control unit changes the driving current of the motor unit by controlling the driving current generating unit based on the temperature detected by the temperature detecting unit. 1. An air compressor comprising:a tank unit that stores a compressed air;a compressed air generating unit that generates the compressed air to be stored in the tank unit;a motor unit that drives the compressed air generating unit;a driving current generating unit that generates a driving current of the motor unit;a control unit that drives the motor unit by controlling the driving current generating unit; anda temperature detecting unit that detects a temperature of the driving current generating unit,wherein the control unit changes the driving current of the motor unit by controlling the driving current generating unit based on the temperature detected by the temperature detecting unit.2. The air compressor according to claim 1 ,wherein the control unit changes a load of the motor unit based on the temperature detected by the temperature detecting unit.3. The air compressor according to further comprising a motor temperature detecting unit that detects a temperature of the motor unit claim 1 ,wherein the control unit controls the driving current generating unit to change an upper limit value of the driving current of the motor unit based on the temperature detected ...

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06-02-2020 дата публикации

COMPRESSED-AIR DRYING DEVICE

Номер: US20200038799A1
Автор: Schmithuesen Thomas
Принадлежит:

Kindly replace the originally filed Abstract with the substitute Abstract shown below: A drying device for drying intake air fed to a compressed-air system of a vehicle includes a cooling device connected downstream of a compressor in an intake air flow path and draws off heat from the intake air coming from the compressor, a desiccant container connected downstream of the cooling device in the intake air flow path and comprising an adsorbent for removing water from the intake air flowing through the desiccant container, and a regeneration container connected downstream of the desiccant container in the intake air flow path and configured to receive a first portion of the intake air coming from the desiccant container and, as required, returns it to the desiccant container and which feeds heat, drawn off by the cooling device, to the received intake air. 110-. (canceled)11. A drying device for drying the intake air fed to a compressed-air system of a mobile work machine , comprising:a cooling device connected downstream of a compressor in an intake air flow path and configured to draw off heat from intake air coming from the compressor;a desiccant container connected downstream of the cooling device in the intake air flow path and comprising an adsorbent for removing water from the intake air flowing through the desiccant container; anda regeneration container connected downstream of the desiccant container in the intake air flow path and configured to receive a first portion of the intake air coming from the desiccant container and, as required, returns it to the desiccant container and which feeds heat, drawn off by the cooling device, to the received intake air.12. The drying device according to claim 11 , wherein the cooling device is configured to draw off heat directly to the regeneration container.13. The drying device according to claim 11 , wherein the cooling device draws off heat to the regeneration container substantially by thermal radiation.14. The ...

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07-02-2019 дата публикации

Multiphase production boost method and system

Номер: US20190040851A1
Автор: Jinjiang Xiao, Shoubo Wang
Принадлежит: Saudi Arabian Oil Co

A system and method for boosting the pressure of a low-pressure multiphase mixture into a high-pressure multiphase mixture. The system includes a gas-liquid separator, a liquids pump and a liquid piston compressor. The method includes introducing the low-pressure multiphase mixture into the pressure boost system, operating such that a low-pressure liquid and a low-pressure gas form, boosting the pressure of the low-pressure liquid to a high-pressure liquid, introducing low-pressure gas during a charging period into the liquid piston compressor, converting the low-pressure gas into high-pressure gas using the high-pressure liquid during a compression period, discharging the high-pressure gas form the liquid piston compressor, and mixing the high-pressure liquid and gas such that the high-pressure multiphase mixture.

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07-02-2019 дата публикации

Compressor Assembly With Directed Suction

Номер: US20190041106A1
Принадлежит: EMERSON CLIMATE TECHNOLOGIES, INC.

A compressor may include a shell assembly, a compression mechanism and a conduit. The shell assembly may include a fitting through which fluid is received from outside of the compressor. The compression mechanism may be disposed within a chamber defined by the shell assembly. The conduit may extend through the chamber between the fitting and a suction inlet of the compression mechanism and transmit at least a portion of the fluid from the fitting to the suction inlet. 1. A compressor comprising:a shell assembly having a fitting through which fluid is received from outside of the compressor;a first scroll disposed within a chamber defined by the shell assembly, the first scroll including a first end plate and a first spiral wrap extending from the first end plate;a second scroll disposed within the chamber and including a second end plate and a second spiral wrap extending from the second end plate, the first and second spiral wraps meshing with each other to define compression pockets; anda conduit including a body and a mounting ring, the body extending through the chamber between the fitting and a suction inlet of the first scroll and transmitting at least a portion of the fluid from the fitting to the suction inlet, the mounting ring extending around and engaging a cylindrical surface of the first scroll.2. The compressor of claim 1 , wherein the conduit includes an inlet adjacent the fitting and an outlet adjacent the suction inlet of the first scroll claim 1 , wherein the mounting ring is attached to the body adjacent the outlet.3. The compressor of claim 2 , wherein the mounting ring includes a plurality of tabs that are circumferentially spaced apart from each other claim 2 , wherein the tabs extend radially inward and contact the cylindrical surface of the first scroll.4. The compressor of claim 3 , wherein the first scroll includes a block extending radially outward from the cylindrical surface claim 3 , and wherein one of the tabs of the mounting ring is ...

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07-02-2019 дата публикации

Compressor Assembly With Directed Suction

Номер: US20190041107A1
Принадлежит: Emerson Climate Technologies Inc

A compressor may include a shell assembly, a compression mechanism and a conduit. The shell assembly may include a fitting through which fluid is received from outside of the compressor. The compression mechanism may be disposed within a chamber defined by the shell assembly. The conduit may extend through the chamber between the fitting and a suction inlet of the compression mechanism and transmit at least a portion of the fluid from the fitting to the suction inlet. The conduit may include an inlet that may be spaced apart from the fitting and an outlet that may engage the compression mechanism.

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14-02-2019 дата публикации

Piston compressor with enlarged regulating region

Номер: US20190048865A1

A piston compressor includes at least one cylinder for compressing air with a piston arranged such that it can move therein in a compression chamber arranged above the piston in the cylinder. The compression chamber is connected to an inlet arrangement for air to be compressed and to an outlet arrangement for compressed air, the piston compressor being drivable by a first drive device. The inlet arrangement includes a pre-compression device that can be driven by a second drive device with variable power and is used to increase the suction pressure at the air inlet.

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22-02-2018 дата публикации

ELECTRIC ROTATING DEVICE

Номер: US20180051443A1
Принадлежит: KAWASAKI JUKOGYO KABUSHIKI KAISHA

An electric rotating device includes: a casing including an internal space; a rotor accommodated in the internal space of the casing and supported by the casing so as to be rotatable; a stator core accommodated in the internal space of the casing and provided at the casing so as to be located around the rotor with an interval; a plurality of coils provided so as to be spaced apart from one another in a circumferential direction and winding around the stator core; and a cooling liquid enclosed in the inner space of the casing such that a part of the rotor and respective parts of the coils are immersed in the cooling liquid. 1. An electric rotating device comprising:a casing including an internal space;a rotor accommodated in the internal space of the casing and supported by the casing so as to be rotatable;a stator core accommodated in the internal space of the casing and provided at the casing so as to be located around the rotor with an interval;a plurality of coils provided so as to be spaced apart from one another in a circumferential direction and winding around the stator core; anda cooling liquid enclosed in the inner space of the casing such that a part of the rotor and respective parts of the coils are immersed in the cooling liquid.2. The electric rotating device according to claim 1 , wherein the electric rotating device is such a vertical type that a rotating shaft of the rotor is arranged substantially in parallel with a vertical direction.3. The electric rotating device according to claim 1 , wherein an amount of the cooling liquid enclosed in the internal space of the casing is set such that: an amount of heat discharged from the casing per unit time is larger than an amount of heat transferred from the coils to the cooling liquid per unit time; and the amount of heat transferred per unit time becomes a maximum value or a value close to the maximum value.4. The electric rotating device according to claim 1 , wherein the electric rotating device is an ...

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05-03-2015 дата публикации

Compression apparatus

Номер: US20150059569A1
Принадлежит: Kobe Steel Ltd

A compression apparatus in the present invention includes a compressor including a cylinder for compressing a gas, a gas cooler for cooling the gas compressed in the cylinder, and a circulation passage for guiding the gas compressed in the cylinder into the gas cooler. The gas cooler is diffusion bonded to the cylinder. In order to reduce the size of the compression apparatus, the circulation passage extends through an area in which the gas cooler and the cylinder face each other. At least areas surrounding the area are diffusion bonded.

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03-03-2016 дата публикации

THERMAL-OPERATED PUMP

Номер: US20160061197A1
Автор: Lill Mark Paul

A thermal operated fluid pump has a plunger which is moved by a thermally expandable element to compress a fluid, such as natural gas, into a storage cylinder. 1. A fluid pump comprising:a pump body comprising a bore having an outlet port;a plunger which is movable within the bore toward and away from the outlet port and which cooperates with a wall of the bore to define a variable volume space inward of the outlet port;an element which occupies the variable volume space and whose volume increases with increasing difference between the element's actual temperature and an initial temperature;the pump body further comprising an inlet port and an inlet passage coming from the inlet port to intercept the bore at a location which is traversed by the plunger during movement of the plunger within the bore;and a device in thermal energy transfer relationship with the element via the pump body for causing the element to increasingly expand in volume with increasing difference between the element's actual temperature and an initial temperature and increase the volume of the variable volume space by forcing the plunger to move along the bore toward the outlet port from within a first range of positions along which the plunger is beyond the location at which the inlet passage intercepts the bore relative to the outlet port for allowing fluid flow from the inlet port through the inlet passage into a portion of the bore between the plunger and the outlet port, then to traverse the location at which the inlet passage intercepts the bore for disallowing fluid flow from the inlet passage into the bore, and then to move toward the outlet port along a second range of positions in a portion of the bore between the outlet port and the location at which the inlet passage intercepts the bore while continuing to disallow fluid flow from the inlet passage into the bore and force fluid occupying a portion of the bore between the outlet port and the plunger toward the outlet port.2. The fluid ...

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03-03-2016 дата публикации

Compressor crankcase heating control systems and methods

Номер: US20160061505A1
Автор: Hung Pham
Принадлежит: Emerson Climate Technologies Inc

A crankcase heating control system for a heat pump system includes a data receiving module and a power control module. The data receiving module receives data indicative of a temperature of a compressor of the heat pump system, data indicative of an ambient temperature, and data indicative of a current date and a current time. The power control module selectively applies power to a heater of a crankcase of the compressor and selectively disables the heater based on the temperature of the compressor, the ambient temperature, the current date, and the current time.

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01-03-2018 дата публикации

HEAT PUMP DEVICE

Номер: US20180058734A1
Принадлежит:

A heat pump device includes a compression mechanism for compressing refrigerant, a motor for driving the compression mechanism, a shell housing the compression mechanism and the motor, a discharge muffler located outside the shell, a first pipe connecting the compression mechanism to the discharge muffler, and a thermal insulator (a first thermal insulating material and a second thermal insulating material). The shell and the discharge muffler are spatially located next to each other without being in contact with each other. The thermal insulator is at least partially located in a space where a distance between an outer surface of the shell and an outer surface of the discharge muffler is minimum. 1. A heat pump device , comprising:a compression mechanism configured to compress refrigerant;a motor configured to drive the compression mechanism;a shell housing the compression mechanism and the motor;a discharge muffler being outside of the shell;a first pipe connecting the compression mechanism to the discharge muffler; anda thermal insulator,the shell and the discharge muffler being arranged in a first space inside a housing,the thermal insulator being at least partially located in a space having a minimum distance between an outer surface of the shell and an outer surface of the discharge muffler,the thermal insulator including a first thermal insulating material configured to at least partially cover the discharge muffler and a second thermal insulating material configured to at least partially cover the shell,the first thermal insulating material having higher thermal resistance than the second thermal insulating material.23-. (canceled)4. The heat pump device according to claim 1 , further comprisinga first heat exchanger connected to the discharge muffler, the first heat exchanger being configured to exchange heat between the refrigerant and a heating medium, whereinthe first thermal insulating material is configured to at least partially cover the first heat ...

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01-03-2018 дата публикации

HEAT PUMP DEVICE

Номер: US20180058735A1
Принадлежит:

A heat pump device includes: a compression mechanism for compressing refrigerant; a motor for driving the compression mechanism; a shell housing the compression mechanism and the motor; a discharge muffler located outside the shell, a first pipe which connects the compression mechanism to the discharge muffler; a first heat exchanger which includes a refrigerant inlet and which exchanges heat between the refrigerant and a heating medium; and a second pipe which connects the discharge muffler to the refrigerant inlet of the first heat exchanger. The shell and the discharge muffler are spatially located next to each other. The discharge muffler and the first heat exchanger are spatially located next to each other. The discharge muffler is at least partially located in a space between the shell and the first heat exchanger. 1. A heat pump device , comprising:a compression mechanism configured to compress refrigerant;a motor configured to drive the compression mechanism;a shell housing the compression mechanism and the motor;a discharge muffler being outside of the shell;a first pipe connecting the compression mechanism to the discharge muffler;a first heat exchanger including a refrigerant inlet, the first heat exchanger being configured to exchange heat between the refrigerant and a heating medium; anda second pipe connecting the discharge muffler to the refrigerant inlet of the first heat exchanger,the shell and the discharge muffler being spatially located next to each other,the discharge muffler being entirely located in a space between the shell and the first heat exchanger.2. The heat pump device according to claim 1 , wherein the space between the shell and the first heat exchanger is defined by a surface obtained by moving a straight line in contact with both the shell and the first heat exchanger claim 1 , an outer surface of the shell claim 1 , and an outer surface of the first heat exchanger.3. The heat pump device according to claim 1 , wherein the ...

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02-03-2017 дата публикации

POSITIVE DISPLACEMENT PUMP

Номер: US20170058879A1
Автор: Smith Wayne
Принадлежит:

A positive displacement pump comprising a cam for driving a piston assembly. The cam having an odd number of lobes, a first face, a second opposing face, and a peripheral surface extending between the first face and the second face. Each of the first face and the second face having a shoulder formed thereon conforming to the contour of the peripheral surface. The piston assemblies having at least two connector members extending from a piston in a spaced apart, parallel relationship to one another. A compression stroke bearing extends between the connector members in rolling contact with the peripheral surface, a first retraction bearing extends inwardly from one of the connector members and is rollingly positioned in contact with the shoulder of the first face, and a second retraction bearing extends inwardly from another one of the connector members and is rollingly positioned in contact with the shoulder of the second face. 1. A positive displacement pump , comprising:a case;a drive member extending into the case;a cam rotatably positioned in the case and connected to the drive member, the cam having an odd number of at least three lobes, a first face, a second face opposing the first face, and a peripheral surface extending between the first face and the second face, each of the first face and the second face having a shoulder formed thereon conforming to the contour of the peripheral surface;at least two cylinder blocks defining at least two cylinders extending radially from the case in a diametrically opposed relationship;at least two piston assemblies, each of the piston assemblies having a piston slidably disposed in one of the cylinders for reciprocating movement therein, at least two connector members extending from the piston in a spaced apart, parallel relationship, a compression stroke bearing extending between the connector members and in rolling contact with the peripheral surface of the cam, a first retraction bearing extending inwardly from one of ...

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22-05-2014 дата публикации

Compressor Crankcase Heating Control Systems and Methods

Номер: US20140138451A1
Автор: Hung Pham
Принадлежит: Emerson Climate Technologies Inc

A crankcase heating control system for a heat pump system includes a data receiving module and a power control module. The data receiving module receives data indicative of a temperature of a compressor of the heat pump system, data indicative of an ambient temperature, and data indicative of a current date and a current time. The power control module selectively applies power to a heater of a crankcase of the compressor and selectively disables the heater based on the temperature of the compressor, the ambient temperature, the current date, and the current time.

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17-03-2016 дата публикации

COMPRESSOR WITH FLOODED START CONTROL

Номер: US20160076542A1
Автор: PHAM Hung M.
Принадлежит: EMERSON CLIMATE TECHNOLOGIES, INC.

A system and method for flooded start control of a compressor having a crankcase heater are provided. A control module receives sensed data from a sensor, determines a current rate of liquid migration into the compressor, and compares the current rate with first and second predetermined thresholds. The control module operates the compressor in a flooded-start control mode, including operating the compressor according to at least one cycle with a first time period when the compressor is on and a second time period when the compressor is off. The control module operates the compressor in the flooded start control mode when the current rate is greater than the first predetermined threshold, activates the crankcase heater when the current rate is between the first and second predetermined thresholds, and operates the compressor without the flooded start control mode when the current rate is less than the second predetermined threshold. 1. A system comprising:a compressor for a refrigeration system, the compressor having a crankcase heater;at least one sensor that generates sensed data corresponding to at least one condition of the refrigeration system;a control module that receives the sensed data from the at least one sensor, determines a current rate of liquid migration into the compressor, and compares the current rate of liquid migration with a first predetermined threshold and a second predetermined threshold, the first predetermined threshold being greater than the second predetermined threshold;wherein the control module operates the compressor in a flooded-start control mode, the flooded start control mode including operating the compressor according to at least one cycle including a first time period during which the compressor is on and a second time period during which the compressor is off; andwherein the control module operates the compressor in the flooded start control mode in response to the current rate of liquid migration being greater than the first ...

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15-03-2018 дата публикации

Compressor Housing Having Sound Control Chambers

Номер: US20180073495A1
Принадлежит: BLACK & DECKER INC.

A compressor assembly having a housing with a number of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of providing a plurality of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. Sound level of a compressor can be controlled by separating the internal volume of a housing which encases at least a portion of a pump assembly to create sound control chambers and/or eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. 120.-. (canceled)21. A compressor assembly , comprising:a universal motor;a belt-driven pump assembly having a pump driven by a drive belt driven by the universal motor;a housing configured to cover at least in part each of an air ducting shroud, a conduit and a belt-driven pump assembly;a fan configured to provide a cooling air;said air ducting shroud surrounding at least a portion of the universal motor and configured to feed a first portion of said cooling air to cool at least a portion of said universal motor; andsaid conduit configured to feed a second portion of said cooling air to cool at least a portion of said belt-driven pump assembly.22. A compressor assembly according to claim 21 , wherein said air ducting shroud feeds said cooling air to said conduit.23. A compressor assembly according to claim 21 , wherein said fan is driven by said universal motor.24. The compressor assembly according to claim 21 , wherein said fan is surrounded at least in part by said air ducting shroud.25. The compressor assembly according to claim 21 , wherein said fan is mounted on a motor shaft of said universal motor.26. The compressor assembly according to claim 21 , further comprising:a shroud inlet scoop that guides cooling air from an air inlet to the fan.27. The compressor assembly according to claim 21 , ...

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19-03-2015 дата публикации

AIR COMPRESSOR

Номер: US20150078935A1
Автор: ICHIHASHI Naoto
Принадлежит:

In an air compressor, inner blades of a cooling fan are formed into a centrifugal type, and outer blades are formed into an axial flow type. Exterior air is sucked through a ventilating window by the outer blades, and an air stream (CA1) is generated. A part of the generated air stream flows towards a stator coil, like an air stream (CA2). By a negative pressure generated by the inner blades, the air in the vicinity of the stator coil is sucked to the inner blades, like an air stream (CA3). The sucked air flows out from a motor-side opening towards a non-motor-side opening by a negative pressure generated by the outer blades, is sucked to the outer blades like an air stream (CA4) and flows out together with the air stream (CA1). 1. An air compressor comprising:an air tank configured to store therein compressed air;a compression part configured to compress air sucked from an outside and to supply the air to the air tank;a motor configured to drive the compression part;a cooling fan provided at one end-side of a rotational shaft of the motor and in the vicinity of the motor; anda cover configured to cover at least the compression part and the motor, an outer blade configured to supply an air stream to the compression part;', 'an inner blade configured to enable an air stream to flow in a direction along a rotational shaft of the cooling fan at an inner side of the outer blade; and', 'a partition part interposed between the outer blade and the inner blade., 'wherein the cooling fan comprises2. The air compressor according to claim 1 ,wherein the outer blade is an axial flow type, andwherein the inner blade is a centrifugal type.3. The air compressor according to claim 1 , wherein the cooling fan is configured such that an attaching part to the rotational shaft of the motor is connected to the partition part by using at least a part of the inner blade.4. The air compressor according to claim 1 , wherein the inner blade is configured to generate an air stream at an inner ...

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15-03-2018 дата публикации

Compressor driving motor and cooling method for same

Номер: US20180073521A1

A compressor driving motor includes: a rotor; a stator surrounding an outer peripheral part of the rotor; a case accommodating the rotor and the stator; a liquid introduction path introducing a liquid refrigerant from a refrigerant circuit including a compressor; and a gas introduction path introducing a gas refrigerant from the refrigerant circuit. The case includes a downstream chamber located on one end side of the rotor and the stator in an axial direction and provided with the compressor, and an upstream chamber located on the other end side in the axial direction and communicating with the downstream chamber through a gap between the outer peripheral part of the rotor and an inner peripheral part of the stator. The introduced liquid refrigerant and the introduced gas refrigerant are mixed in the upstream chamber, and wet steam of the mixed refrigerant is supplied to at least the gap.

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24-03-2022 дата публикации

GAS LIFT COMPRESSOR SYSTEM AND METHOD FOR SUPPLYING COMPRESSED GAS TO MULTIPLE WELLS

Номер: US20220090595A1
Автор: Nelle Will
Принадлежит:

A high pressure gas lift compressor system and method of using the system for supplying compressed gas to multiple wells are provided. The system includes a compressor having multiple compressor cylinders. Each cylinder has its own gas inlet line and dedicated gas outlet line that supplies compressed gas from that cylinder directly to a wellbore to provide artificial gas lift. Each cylinder also has its own control valve upstream of the cylinder to control the suction pressure to the cylinder. A desired gas flow rate to each well may be input, and the control valve is adjusted accordingly to achieve the flow rate. By inputting a flow rate for each separate cylinder, the flow rate to each well may be independently controlled. 1. A gas compressor system for supplying compressed gas to a plurality of wellbores , said system comprising:a compressor associated with a plurality of wellbores each having a tubing string positioned within the wellbore, wherein the compressor comprises a plurality of compressor cylinders and a compressor engine operably coupled to each of the compressor cylinders and configured to simultaneously drive all of the compressor cylinders in the plurality of compressor cylinders, wherein each compressor cylinder has a gas inlet line and a gas outlet line, wherein each gas outlet line is configured to inject compressed gas from one respective compressor cylinder into an interior of one respective tubing string at a subsurface location;a plurality of control valves each corresponding to a respective compressor cylinder, wherein each respective control valve is positioned on one respective gas inlet line upstream of one respective compressor cylinder;a plurality of flow meters each corresponding to a respective one of the plurality of control valves, wherein each flow meter is configured to measure a gas flow rate through one of the gas outlet lines; anda plurality of controllers each corresponding to a respective one of the plurality of control ...

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15-03-2018 дата публикации

ELECTRIC COMPRESSOR MOTOR HOUSING, AND VEHICLE-MOUNTED ELECTRIC COMPRESSOR EMPLOYING SAME

Номер: US20180076681A1

An electric compressor motor housing is provided with: a motor housing main body (), the interior of which is a cylindrical space for internally equipping a motor, and in which a plurality of refrigerant passages are formed around the cylindrical space, in the direction of the motor axis; an inverter accommodating portion () provided in an upper portion of the outer periphery of the motor housing main body (); compressor attachment feet () provided in a plurality of locations in upper and lower portions of the outer periphery of the motor housing main body (); and a refrigerant intake port () provided on a side surface toward the rear end of the motor housing main body (); wherein one or more lines of ribs () are provided on the outer peripheral side surface of the motor housing main body (), protruding outward and extending in the vertical direction. 1. An electric compressor motor housing , comprising:a motor housing main body, one end thereof is an opening portion capable of coupling to a compressor housing, interior of the motor housing main body being a cylindrical space for comprising a motor;a plurality of refrigerant passages formed around the cylindrical space in the motor housing main body in a direction of a motor axis;an inverter accommodating portion provided in an upper portion of an outer periphery of the motor housing main body, an inverter circuit that drives the motor being accommodated and installed in the interior of the inverter accommodating portion;compressor attachment feet provided in a plurality of locations in upper and lower portions of the outer periphery of the motor housing main body; anda refrigerant intake port provided on a side surface on a rear end portion of the motor housing main body, the refrigerant intake port being communicated with the internal space of the motor housing main body, whereinone or more lines of ribs are provided on an outer peripheral side surface of the motor housing main body, protruding outward and ...

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18-03-2021 дата публикации

Method Of Reducing Air Compressor Noise

Номер: US20210079905A1
Принадлежит: BLACK & DECKER INC.

A compressor assembly having a tank seal which seals a tank gap between a portion of a housing of the compressor assembly and a portion of a compressed gas tank and a method for controlling the sound level of a compressor assembly by configuring a tank seal to seal a gap between the housing of a compressor assembly and a compressed gas tank. The sound level of the compressor assembly can be controlled by sealing a tank gap between at least a portion of a compressor assembly housing and at least a portion of a compressed gas tank. 1. A compressor assembly , comprising:a tank seal which seals a tank gap between a portion of a housing of the compressor assembly and a portion of a compressed gas tank; anda sound level of the compressor assembly which is in a range of from 65 dBA to 75 dBA when the compressor assembly is in a compressing state.2. The compressor assembly according to claim 1 , wherein the difference in sound level between a location at a pump assembly side of the tank seal and the outside of the tank seal is in a range of from about 2 dBA to about 10 dBA.3. The compressor assembly according to claim 1 , wherein the difference in sound level between a location at a pump assembly side of the tank seal and the outside of the tank seal is in a range of from about 2 dBA to about 8 dBA.4. The compressor assembly according to claim 1 , wherein the difference in sound level between a location at a pump assembly side of the tank seal and the outside of the tank seal is in a range of from about 2.5 dBA to about 5 dBA.5. The compressor assembly according to claim 1 , wherein the difference in sound level between a location at a pump assembly side of the tank seal and the outside of the tank seal is in a range of from about 5 dBA to about 8 dBA.6. The compressor assembly according to claim 1 , wherein the difference in sound level between a location at a pump assembly side of the tank seal and the outside of the tank seal is about 2.5 dBA.7. The compressor assembly ...

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18-03-2021 дата публикации

SHAFT-CYLINDER ASSEMBLY FOR HIGH TEMPERATURE OPERATION

Номер: US20210079907A1
Принадлежит:

The present invention provides a shaft-cylinder assembly for high-temperature operation comprising a dynamic sealing member having a helical coiled seal ring structure configured to be in contact with the shaft for providing dynamic sealing function; and a cylindrical cooling jacket positioned between the dynamic sealing member and the cylinder, and configured to circumferentially surround the dynamic sealing member and be circumferentially surrounded by the cylinder; wherein the cooling jacket includes one or more cooling channels, each of the one or more cooling channels is configured to circulate a cooling fluid for moving heat away from the dynamic sealing member. 1. A shaft-cylinder assembly , comprising:a cylinder;a shaft configured for moving in and along the cylinder;a dynamic sealing member configured to be in contact with the shaft for providing dynamic sealing function; anda cylindrical cooling jacket positioned between the dynamic sealing member and the cylinder, and configured to circumferentially surround the dynamic sealing member and be circumferentially surrounded by the cylinder;wherein the cooling jacket includes one or more cooling channels, each of the one or more cooling channels is configured to circulate a cooling fluid for moving heat away from the dynamic sealing member.2. The shaft-cylinder assembly of claim 1 , wherein each of the one or more cooling channels has an inlet configured for receiving the cooling fluid and an outlet configured for releasing the cooling fluid.3. The shaft-cylinder assembly of claim 1 , further comprising a compression ring engaged with a compression spring configured for providing a pressing force on the dynamic sealing member to keep the dynamic sealing member intimately in contact with the cylinder.4. The shaft-cylinder assembly of claim 4 , further comprising a pair of first and second holding rings for holding the dynamic sealing member and the compression ring inside the cooling jacket.5. The shaft- ...

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14-03-2019 дата публикации

Linear compressor

Номер: US20190078563A1
Автор: Sangsub Jeong
Принадлежит: LG ELECTRONICS INC

A linear compressor includes a casing, a cylinder forming a compression chamber inside the casing, a piston reciprocating to compress a fluid of the compression chamber, a mover having a movable magnet and reciprocating on the basis of a predetermined reference position to drive the piston, and a stator generating a thrust pushing the mover in the reciprocating direction and a restoring force pushing the mover in a direction toward the reference position according to an interaction with the movable magnet, wherein the stator includes a mover air gap formed to accommodate the mover and a magnetoresistive air gap formed in a position spaced apart from the mover air gap to change magnetic resistance of a magnetic circuit formed along the stator. According to this, a magnetic resonance spring with increased restoring force may be implemented.

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25-03-2021 дата публикации

LINEAR COMPRESSOR

Номер: US20210088039A1
Принадлежит:

A linear compressor includes a cylinder, a discharge valve, a valve spring pressing the discharge valve to close one side of the cylinder, and a spring support portion providing a support point for the valve spring to press the discharge valve. The valve spring includes a first spring arm whose center is connected to the discharge valve and extending spirally, a second spring arm spaced apart from the first spring arm by a predetermined distance with respect to an axial direction of the cylinder and extending spirally toward an outer portion according to a shape of the first spring arm, and a rubber damper connecting the first spring arm and the second spring arm and fixing relative positions of the first spring arm and the second spring arm. 1. A linear compressor comprising:a cylinder that receives a piston and that defines a movement path for the piston;a discharge valve that is configured to open and close a side of the cylinder and that defines a compression space for a refrigerant with the piston based on the discharge valve closing the side of the cylinder;a valve spring configured to press the discharge valve to close the side of the cylinder; and an outer circumferential surface that is coupled to a discharge cover, and', 'an inner circumferential surface that is coupled to the outer portion of the valve spring,, 'a spring support portion configured to support the valve spring, the spring support portion including a central portion that is connected to the discharge valve;', 'an outer portion that is spaced apart from the central portion and disposed radially from the central portion;', 'at least one first spring arm that spirally extends from the central portion;', 'at least one second spring arm that is spaced apart from the at least one first spring arm in an axial direction of the cylinder, that spirally extends from the outer portion, and that corresponds to a shape of the at least one first spring arm; and', 'a rubber damper that connects the at least ...

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31-03-2022 дата публикации

Electronics Enclosure with Heat-Transfer Element

Номер: US20220104391A1
Принадлежит: EMERSON CLIMATE TECHNOLOGIES, INC.

A compressor may include a compressor shell, a motor, a compression mechanism, an enclosure, a control module, a fan, and an airflow deflector. The compression mechanism is disposed within the compressor shell. The motor drives the compression mechanism. The enclosure defines an internal cavity. The control module is in communication with the motor and is configured to control operation of the motor. The fan may be disposed within the internal cavity. The airflow deflector may include a base portion, a first leg, and a second leg. The first and second legs may be spaced apart from each other and may extend from the base portion. The fan may force air against the base portion. A first portion of the air may flow from the base portion along the first leg, and a second portion of the air may flow from the base portion along the second leg. 1. An assembly comprising:a compressor including a compressor shell, a compression mechanism disposed within the compressor shell, and a motor driving the compression mechanism;an enclosure physically connected to the compressor and defining an internal cavity;a control module in communication with the compressor and configured to control operation of the compressor;a fan disposed within the internal cavity; andan airflow deflector having a base portion, a first leg, and a second leg, wherein the first and second legs are spaced apart from each other and extend from the base portion,wherein the fan forces air against the base portion, wherein a first portion of the air flows from the base portion along the first leg, and wherein a second portion of the air flows from the base portion along the second leg.2. The assembly of claim 1 , wherein the airflow deflector is integrally formed with a shell member that defines the enclosure.3. The assembly of claim 2 , wherein the airflow deflector is a recess formed in the shell member.4. The assembly of claim 1 , wherein the airflow deflector is formed separately from a shell member that ...

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07-04-2016 дата публикации

Package Type Compressor

Номер: US20160097389A1

[Problem] To provide a package type compressor capable of improving the productivity by reducing the restriction in arrangement of respective parts while securing the cooling of an inverter concerning the cooling of the package type compressor which houses a compressor body, a motor driving the compressor body and the inverter controlling rotation of the motor in a package. [Means for Resolution] A package type compressor includes a compressor body compressing the air, a motor driving the compressor body, an inverter controlling rotation speed of the motor and a cooling fan provided in the compressor body, in which the inverter is provided in an intake path of cooling air generated by the cooling fan provided in the compressor body.

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01-04-2021 дата публикации

AXIAL PISTON PUMP WITH PISTON HAVING PASSIVE COOLING THERMAL RELIEF FEATURE

Номер: US20210095658A1
Принадлежит: HONEYWELL INTERNATIONAL INC.

A piston pump includes a rotor member with a bore therein. The bore is defined by an inner surface. The piston pump also includes a piston supported for reciprocating movement in an axial direction within the bore to change a volume of a pump chamber that is cooperatively defined by the piston and the rotor member. The piston has an outer surface that faces the inner surface with a leakage interface defined therebetween. The leakage interface is configured to receive a passive leakage flow of a fluid from the pump chamber through the leakage interface to provide cooling. Moreover, the outer surface includes a relief feature that is recessed into the outer surface to define, with the inner surface, a cooling pocket of the leakage interface. The cooling pocket moves in the axial direction relative to the inner surface with the reciprocating movement of the piston. 1. A piston pump configured to displace a fluid comprising:a rotor member with a bore therein, the bore defined by an inner surface;a piston supported for reciprocating movement in an axial direction within the bore to change a volume of a pump chamber that is cooperatively defined by the piston and the rotor member, the piston having an outer surface that faces the inner surface with a leakage interface defined therebetween, the leakage interface configured to receive a passive leakage flow of the fluid from the pump chamber through the leakage interface to provide cooling; andthe outer surface including a relief feature that is recessed into the outer surface to define, with the inner surface, a cooling pocket of the leakage interface, the cooling pocket moving in the axial direction relative to the inner surface with the reciprocating movement of the piston.2. The piston pump of claim 1 , wherein the bore includes a proximal end and a distal end;wherein the piston includes a first end proximate the proximal end and a second end proximate the distal end;wherein the distal end of the bore and the second end ...

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05-04-2018 дата публикации

COMPRESSOR DRIVING MOTOR AND COOLING METHOD FOR SAME

Номер: US20180094626A1

A compressor driving motor includes: a rotor; a stator surrounding an outer peripheral part of the rotor; a case accommodating the rotor and the stator; a liquid introduction portion introducing a liquid refrigerant from a refrigerant circuit including the compressor into the case; a gas introduction portion introducing a gas refrigerant from the refrigerant circuit into the case; and an injector using, as driving fluid, the gas refrigerant introduced by the gas introduction portion, and using, as suction fluid, the liquid refrigerant introduced by the liquid introduction portion. Wet steam of a mixture of the liquid refrigerant and the gas refrigerant mixed by the injector is injected toward at least a gap between the outer peripheral part of the rotor and an inner peripheral part of the stator. 111.-. (canceled)12. A compressor driving motor driving a compressor , the compressor driving motor comprising:a rotor;a stator that surrounds an outer peripheral part of the rotor;a case that accommodates the rotor and the stator;a liquid introduction portion that introduces a liquid refrigerant from a refrigerant circuit into the case, the refrigerant circuit including the compressor;a gas introduction portion that introduces a gas refrigerant from the refrigerant circuit into the case; andan injector that uses, as driving fluid, the gas refrigerant introduced by the gas introduction portion, and uses, as suction fluid, the liquid refrigerant introduced by the liquid introduction portion, whereinwet steam of a mixture of the liquid refrigerant and the gas refrigerant mixed by the injector is injected to at least a gap between the outer peripheral part of the rotor and an inner peripheral part of the stator.13. The compressor driving motor according to claim 12 , whereinthe injector includes an injection port through which the wet steam is injected, andthe injection port faces an opening of the gap opened in an axis line direction of the rotor.14. The compressor driving ...

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12-05-2022 дата публикации

ACTIVE OIL INJECTION SYSTEM FOR A DIAPHRAGM COMPRESSOR

Номер: US20220145874A1
Принадлежит:

Devices and methods for operating a diaphragm compressor. Embodiments of the present disclosure comprise an oil piston being driven to pressurize work oil against the diaphragm of the compressor. In embodiments, an injection pump provides a supplemental flow of work oil in the region of pressurized fluid, and such pump may be part of an actively controlled system. In embodiments, a pressure relief valve vents an overpump flow of work oil, and such valve may be variable. Embodiments provide feedback and control mechanisms, including control of the injection pump and the relief valve. 1. An active oil injection system in a diaphragm compressor , comprising: [ a work oil head support plate and a process gas head support plate defining a diaphragm cavity therebetween, the work oil head support plate comprising a piston cavity, an inlet, and an outlet, and', 'a metallic diaphragm mounted between the work oil head support plate and the process gas head support plate, the metallic diaphragm dividing the diaphragm cavity into a work oil region and a process gas region, the work oil region being in separate communication with each of the piston cavity, the inlet, and the outlet, wherein the metallic diaphragm is configured to actuate from a first position proximate the work oil head support plate to a second position proximate the process gas head support plate to pressurize process gas in the process gas region to a process gas discharge pressure,, 'a compressor head comprising, a drive cavity extending from the compressor head and in communication with the work oil region via the piston cavity,', 'a piston mounted in the drive cavity and defining the volume of the work oil region, and', 'an actuator configured to power the piston,', 'wherein, during a discharge cycle, the drive is configured to power the piston to move toward the compressor head to intensify primary work oil in the work oil region from a first pressure to an intensified pressure and thereby actuate the ...

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28-03-2019 дата публикации

COOLING DEVICE AND COMPRESSOR SYSTEM

Номер: US20190093672A1

A cooling device includes a cooler disposed inside a shell, an inlet nozzle that is configured to feed a fluid into the shell, an outlet nozzle that is configured to feed the fluid passing through the cooler so as to flow outward, and a guide member that is configured to change a flowing direction of the fluid. The guide member has a collision surface which spreads in an inclined direction inclined with respect to the flowing direction of the fluid fed into the shell from the inlet nozzle, and which collides with the fluid, and an uneven portion formed in at least a portion of a peripheral edge portion of the collision surface. 1. A cooling device for cooling a fluid fed into a compressor , the cooling device comprising:a hollow shell;a cooler disposed inside the shell;an inlet nozzle that is configured to feed the fluid into the shell;an outlet nozzle that is configured to feed the fluid passing through the cooler so as to flow outward of the shell; anda guide member that is configured to change a flowing direction of the fluid fed into the shell from the inlet nozzle, a collision surface which spreads in an inclined direction inclined with respect to the flowing direction of the fluid fed into the shell from the inlet nozzle, and which collides with the fluid, and', 'an uneven portion formed in at least a portion of a peripheral edge portion of the collision surface so that an concavo-convex shape is continuous along the peripheral edge portion., 'wherein the guide member has'}2. The cooling device according to claim 1 ,wherein the uneven portion is formed in the peripheral edge portion located on a downstream side in the flowing direction of the fluid flowing along the collision surface, which is on one side in the inclined direction, in the peripheral edge portion.3. The cooling device according to claim 1 , wherein the uneven portion is formed in the peripheral edge portion located on a side intersecting the inclined direction of the guide member claim 1 , in ...

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12-04-2018 дата публикации

Piston Cylinder Arrangement for an Oil Free Compressor Having Cooling Passageways and Method of Cooling Wrist Pin Bearing Surface

Номер: US20180100493A1
Автор: Hritz Jeffrey
Принадлежит:

A piston cylinder arrangement for an air compressor including a cylinder, a connecting rod having a wrist pin receiving end, a wrist pin provided in the wrist pin receiving end of the connecting rod, and a piston provided on the connecting rod via the wrist pin and positioned within the cylinder. At least one passageway may be defined in the wrist pin to permit air to flow into the wrist pin from the cylinder. 1. A piston cylinder arrangement for an air compressor , comprising:a cylinder;a connecting rod having a wrist pin receiving end;a wrist pin provided in the wrist pin receiving end of the connecting rod; anda piston provided on the connecting rod via the wrist pin and positioned within the cylinder,wherein at least one passageway is defined in the wrist pin to permit air to flow into the wrist pin from the cylinder.2. The piston cylinder arrangement as claimed in claim 1 , wherein the at least one passageway permits a bi-directional flow of the air into and out of the wrist pin.3. The piston cylinder arrangement as claimed in claim 1 ,wherein the at least one passageway defined in the wrist pin comprises two inlet passageways, andwherein one inlet passageway is provided on a first side of the wrist pin receiving end of the connecting rod, and one inlet passageway is provided on a second side of the wrist pin receiving end of the connecting rod.4. The piston cylinder arrangement as claimed in claim 1 , wherein at least one outlet passageway is defined in the piston to permit the air to flow out of the wrist pin through the piston.5. The piston cylinder arrangement as claimed in claim 4 , wherein the at least one outlet passageway defined in the piston is provided beneath the wrist pin.6. The piston cylinder arrangement as claimed in claim 4 , wherein the at least one outlet passageway defined in the piston is inclined relative to the wrist pin.7. The piston cylinder arrangement as claimed in claim 1 ,wherein the at least one passageway defined in the wrist pin ...

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13-04-2017 дата публикации

Oil Lubricated Compressor

Номер: US20170101985A1
Принадлежит: BLACK & DECKER INC.

An oil lubricated compressor having a universal motor, efficient starting and re-starting characteristics, and a long operating life. The oil lubricated compressor can have a brushed or brushless universal motor which can drive a cooling fan and a pump. The universal motor can achieve a high torque to voltage ratio, as well as a high torque to current ratio, upon starting or re-starting of the compressor. Optionally, the oil lubricated compressor can use a single cooling fan disposed in the compressor at a location which is between the universal motor and a cylinder head of the pump. 1. An oil lubricated compressor , comprising:a pump;a universal motor that drives the pump,wherein the pump has at least a portion thereof lubricated by an oil.2. The oil lubricated compressor according to claim 1 , wherein the universal motor is a brushed universal motor.3. The oil lubricated compressor according to claim 1 , wherein the universal motor is a brushed universal motor having an electrographite grade brush.4. The oil lubricated compressor according to claim 1 , wherein the universal motor is a brushless universal motor.5. The oil lubricated compressor according to claim 1 , wherein the universal motor has an operating life of 300 hrs or greater.6. The oil lubricated compressor according to claim 1 , wherein the universal motor has an inrush current of 85 amps or less.7. The oil lubricated compressor according to claim 1 , wherein the universal motor has an inrush current of 95 amps or less for an inrush time of 300 ms or less.8. The oil lubricated compressor according to claim 1 , wherein the universal motor has a voltage during inrush of 75V or less for an inrush time of 300 ms or less.9. The oil lubricated compressor according to claim 1 , wherein the universal motor can re-start at a voltage of 90% or less of rated voltage.10. The oil lubricated compressor according to claim 1 , wherein the universal motor can re-start at a voltage in a range of 75V to 90V.11. The oil ...

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08-04-2021 дата публикации

Package-Type Compressor

Номер: US20210102540A1

A package-type compressor includes a body unit, a controller, a casing, a first cooling air inlet, a second cooling air inlet, a cooling air outlet, a fan duct, a cooling fan, an air cooling type heat exchanger, a machine chamber, and a cooling duct. The cooling duct is provided below the fan duct, the cooling duct causing the cooling air taken in at the second cooling air inlet to flow along the controller toward the suction port of the fan duct. A vertical projection plane of the cooling fan overlaps the machine chamber and the cooling duct.

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19-04-2018 дата публикации

METHOD FOR MANUFACTURING AND UTILIZING HIGH-DENSITY AIR

Номер: US20180104658A1
Автор: KOBAYASHI Takaitsu
Принадлежит:

Provided is a method for enabling high-density air to be efficiently manufactured without unnecessarily increasing the pressure and temperature. A method for manufacturing high-density air according to the present invention includes: mixing raw air A with fine water particles W to generate water-containing air A having a lower pressure than the raw air A; supplementing the water-containing air A with a differential pressure between the pressure of the raw air A and the pressure of the water-containing air A and consequently promoting vaporization of the fine water particles W in the water-containing air A and reducing the volume of the water-containing air A to manufacture high-density air A. The density of air can be efficiently increased with this method. 1. A method for manufacturing high-density air , the method comprising:mixing raw air with fine water particles to generate water-containing air having a lower pressure than the raw air;supplementing the water-containing air with a differential pressure between a pressure of the raw air and a pressure of the water-containing air; andconsequently promoting vaporization of the fine water particles in the water-containing air and reducing a volume of the water-containing air to manufacture high-density air.2. The method for manufacturing high-density air according to claim 1 , whereina blower machine is used as a means for supplementing the pressure of the water-containing air.3. The method for manufacturing high-density air according to claim 1 , whereina compressor is used as a means for supplementing the pressure of the water-containing air.4. A method for utilizing high-density air claim 1 , the method comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'utilizing, as an operating gas for an external combustion engine, high-density air manufactured with the method according to together with steam having a higher pressure than the high-density air.'}5. The method for utilizing high-density air according ...

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02-06-2022 дата публикации

Waste-Heat Recovery System in Oil-Cooled Gas Compressor

Номер: US20220170666A1
Принадлежит:

A waste-heat recovery system includes a waste-heat-recovery heat a tank, a circulation circuit, a circulation pump, and a control device that is configured to obtain the temperature of the heat medium flowing through a heat medium outlet piping of the circulation circuit and the temperature of the water stored in the tank. The control device stops the circulation pump or reduces the rotational frequency thereof in a case where the temperature of the heat medium flowing through the heat medium outlet piping is lower, or lower by a predetermined temperature or more, than the temperature of the water. 125-. (canceled)26. A waste-heat recovery system comprising:a waste-heat-recovery heat exchanger configured to recover heat from a compressed gas by connecting to a gas piping that sends the compressed gas delivered from the compressor main body to customers;a tank that stores water that exchanges heat with heat medium exchanged heat with the compressed gas in the waste-heat-recovery heat exchanger;a circulation circuit that connects to the waste-heat-recovery heat exchanger and the tank, and in which the heat medium circulates;a circulation pump installed in the circulation circuit; and 'the control device stops the circulation pump or reduces the rotational frequency thereof in a case where the temperature of the heat medium flowing through the heat medium outlet piping is lower, or lower by a predetermined temperature or more, than the temperature of the water.', 'a control device that is configured to obtain the temperature of the heat medium flowing through a heat medium outlet piping of the circulation circuit and the temperature of the water stored in the tank, wherein'}27. The waste-heat recovery system according to claim 26 , further comprising:a unit configured to store the waste-heat-recovery heat exchanger; anda tank unit configured to store the tank.28. A waste-heat recovery system comprising:a waste-heat-recovery heat exchanger configured to recover heat ...

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10-07-2014 дата публикации

Efficient chiller for a supercritical fluid chromatography pump

Номер: US20140190183A1
Принадлежит: AGILENT TECHNOLOGIES INC

Methods and systems for pumping compressible fluids in high pressure applications such as high-pressure liquid chromatography (HPLC) or supercritical fluid chromatography (SFC) applications are disclosed. An improved cooling device for a pump head for use in a supercritical fluid chromatography (SFC) system is described. A system for chilling a pumping system, includes a Peltier cooling element in thermal contact with a pump head, wherein the cooling element chills the pump head and a mobile phase fluid flowstream prior to the mobile phase fluid entering the pump; a fluid-cooled heat exchanger, attached to the Peltier cooling element, which removes heat from the cooling element using a circulating fluid; and a second heat exchanger which cools the circulating fluid.

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29-04-2021 дата публикации

Plate fin heat exchanger for pump assembly

Номер: US20210123427A1
Принадлежит: Parker Hannifin Corp

A cover for an air compressor or pump includes a main plate body ( 12 ) having a first surface and a second surface opposite from the first surface, a plurality of external fins ( 18 ) that are formed on the first surface and protrude outwardly from the first surface, and a plurality of internal fins ( 42 ) that are arranged proximate the second surface and extend in a direction opposite to a direction in which the plurality of external fins extend. Heat from the air compressor or pump is received by the plurality of internal fins and flows through the main plate body, whereby a temperature of a fluid exiting the air compressor or pump is reduced.

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02-04-2020 дата публикации

Liquid-Feed-Type Gas Compressor

Номер: US20200102950A1

A liquid-feed-type gas compressor that can monitor the liquid surface height in a gas-liquid separator is provided. An oil-feed-type air compressor includes: an oil separator that separates oil from compressed air discharged from a compressor main body 1 and stores the oil therein; a sampling line whose inlet side is connected to a predetermined height position of the oil separator and that allows fluid from the predetermined height position of the oil separator to flow by the pressure difference between the inlet side and the outlet side; a pressure sensor that detects the pressure of the fluid that flows or has flown in the sampling line; a controller that determines which of air and oil the fluid that flows in the sampling line is by carrying out determination of whether the pressure detected by the pressure sensor exceeds a set value P1 in some cases and determination of whether the pressure falls below a set value P2 in some cases; and an informing device that informs a determination result of the controller.

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26-04-2018 дата публикации

SYSTEM AND METHOD FOR CONTROLLING MOISTURE WITHIN AN AIR COMPRESSOR ASSEMBLY

Номер: US20180112657A1
Автор: Rado Gordon E.
Принадлежит:

An air compressor assembly for filling self-contained breathing apparatus air containers has at least one condensate separator. The condensate separator includes a liquid-retaining vessel a liquid-level sensor. A drain valve is in fluid communication with the condensate separator. The drain valve is configured to open and drain retained liquid from the liquid-retaining vessel when the liquid-level sensor detects that a level of the retained liquid reaches a drain valve activation triggering level. 1. An air compressor assembly for filling self-contained breathing apparatus air containers , the air compressor assembly comprising: a liquid-retaining vessel; and', 'a liquid-level sensor; and, 'at least one condensate separator, the at least one condensate separator includingat least one drain valve in fluid communication with the at least one condensate separator, the at least one drain valve being configured to open and drain retained liquid from the liquid-retaining vessel when the liquid-level sensor detects that a level of the retained liquid retained within the liquid-retaining vessel reaches a drain valve activation triggering level.2. The air compressor assembly of claim 1 , wherein the liquid-level sensor is a continuity sensor.3. The air compressor assembly of claim 1 , wherein the liquid-level sensor is an optical sensor.4. The air compressor assembly of claim 1 , wherein the liquid-level sensor is an acoustic sensor.5. The air compressor assembly of claim 1 , wherein the air compressor assembly is a multi-stage breathing air compressor configured to fill self-contained breathing apparatus breathing air containers.6. The air compressor assembly of claim 1 , wherein the drain valve includes a solenoid claim 1 , the solenoid being activated when the liquid-level sensor detects that the level of the retained liquid retained within the liquid-retaining vessel reaches the drain valve activation triggering level.7. The air compressor assembly of claim 1 , wherein ...

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26-04-2018 дата публикации

Compressor Crankcase Heating Control Systems And Methods

Номер: US20180112902A1
Автор: Hung Pham
Принадлежит: Emerson Climate Technologies Inc

A crankcase heating control system for a heat pump system includes a data receiving module and a power control module. The data receiving module is configured to receive: data indicative of a temperature of a compressor of the heat pump system; and data indicative of an ambient temperature. The power control module is configured to: selectively apply power to a heater of a crankcase of the compressor; and disable the heater when all of: a period since the compressor was last turned is greater than a predetermined period; the ambient temperature is less than a predetermined temperature; and the temperature of the compressor is less than the predetermined temperature.

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09-06-2022 дата публикации

RECIPROCATING COMPRESSOR

Номер: US20220178360A1

A reciprocating compressor A includes a compression part compressing, by a piston , gas sucked into a cylinder through a suction valve , and discharging the compressed gas through a discharge valve , a piston drive part supplying a force to the piston to reciprocate the piston via a piston rod coupled to the piston , and a housing accommodating the compression part and forming a vacuum region around the compression part 1. A reciprocating compressor comprising:a compression part compressing, by a piston, gas sucked into a cylinder through a suction valve, and discharging the compressed gas through a discharge valve;a piston drive part supplying a force to the piston to reciprocate the piston via a rod coupled to the piston; anda container part accommodating the compression part and forming a vacuum region around the compression part.2. The reciprocating compressor according to claim 1 ,wherein the container part includes a housing forming the vacuum region, and a cylinder holding part disposed between the housing and the cylinder,a side surface of the cylinder is spaced from an inner surface of the housing facing the side surface of the cylinder,a first end part of the cylinder holding part is formed on the side surface of the cylinder, anda second end part of the cylinder holding part is formed on the inner surface of the housing.3. The reciprocating compressor according to claim 1 , further comprising:an intermediate tube part disposed between the piston drive part and the container part, and accommodating the rod; anda heat resistive part disposed between the compression part and the intermediate tube part.4. The reciprocating compressor according to claim 1 ,wherein the suction valve is formed in the cylinder, and is capable of alternately switching between an open mode allowing entry and exit of the gas to and from the cylinder and a closed mode inhibiting the entry and exit of the gas according to an internal pressure of the cylinder, andthe reciprocating ...

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13-05-2021 дата публикации

PUMP ASSEMBLY AND HIGH-PRESSURE CLEANING APPARATUS

Номер: US20210138511A1
Автор: Zhao Chunlin
Принадлежит:

A pump assembly and a high-pressure cleaning apparatus, the pump assembly comprises a motor assembly, a motor housing for receiving the motor assembly, a transmission assembly driven by the motor assembly, a pump, and a pipe assembly connecting the motor housing and the pump. Mutually independent heat dissipation portions are provided at two sides of the motor housing. Compared with the prior art, the present invention meets the requirements of heat dissipating by providing independent heat radiation parts on both sides of the motor housing. The high-pressure cleaning apparatus has a small volume, a high efficiency, a good cooling, and easy to carry. 1. A pump assembly comprising:a motor assembly, the motor assembly including a motor shaft;a motor housing, the motor assembly received in the motor housing;a transmission assembly driven by the motor assembly;a pump connected to the transmission assembly; anda pipe assembly connecting the motor housing and the pump; wherein at least two mutually independent heat dissipation portions are provided in the motor housing.2. The pump assembly according to claim 1 , wherein the motor housing includes a first main body portion claim 1 , two side cover plates and a front cover plate assembled to the first main body portion claim 1 , and the transmission assembly is received in a transmission housing claim 1 , the transmission housing includes a second main body portion and an upper cover plate claim 1 , the first main body portion and the second main body portion being integrally set.3. The pump assembly according to claim 2 , wherein grooves are provided on both sides of the first main body portion claim 2 , and openings are provided at the front and rear ends of the first main body portion and a receiving space for receiving the motor assembly claim 2 , the two side cover plates are respectively assembled into two grooves to form the heat dissipating portion claim 2 , and the front cover plate is assembled to the front ...

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18-04-2019 дата публикации

Waste-Heat Recovery System in Oil-Cooled Gas Compressor

Номер: US20190113251A9
Принадлежит:

The purpose of the present invention is: to enable hot water at a required temperature to be supplied, even in cases when compressor load factor is low; to suppress heat dissipation from a waste-heat recovery device; and to improve waste-heat recovery rate. A waste-heat recovery system in an oil-cooled gas compressor is provided with: a compressor main body (); an oil separator (); gas piping () which supplies, to a demanded destination compressed gas separated from oil by the oil separator; oil piping () which returns, to the compressor main body, the oil separated by the oil separator; and a waste-heat-recovery heat exchanger () which recovers heat from the compressed gas and/or the oil. The waste-heat recovery system is also provided with: a hot-water storage tank (); circulation circuits () in which a heat medium is made to circulate between the waste-heat recovery heat exchanger and the hot-water storage tank; a circulation pump () provided to these circulation circuits; and a control device () which, in cases when the temperature of the oil or the compressed gas subjected to heat exchange in the waste-heat-recovery heat exchanger is equal to or less than the temperature of the hot water in the hot-water storage tank, stops the circulation pump or reduces the rotational frequency of the circulation pump. 1. A waste-heat recovery system in an oil-cooled gas compressor including a compressor main body , an oil separator for separating oil from compressed gas delivered from the compressor main body , a gas piping for sending the compressed gas separated from the oil by the oil separator to a demanded destination , an oil piping for returning the oil separated by the oil separator to the compressor main body , and a waste-heat-recovery heat exchanger for recovering heat from at least either of the compressed gas flowing through the gas piping or the oil flowing through the oil piping , the waste-heat recovery system in the oil-cooled gas compressor comprising:a ...

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05-05-2016 дата публикации

Reciprocating compressor system

Номер: US20160123314A1
Принадлежит: Emerson Climate Technologies Inc

A compressor may include a crankcase, a crankshaft, a piston, a discharge valve and a suction plenum. The crankcase defines a discharge plenum receiving working fluid at a first pressure. The crankshaft is disposed within the discharge plenum. The piston is drivingly connected to the crankshaft and reciprocatingly received in a cylinder. The piston and cylinder cooperate to define a compression chamber therebetween. The discharge valve may control fluid flow through a discharge passage between the compression chamber and the discharge plenum. The suction plenum may receive working fluid at a second pressure that is less than the first pressure. The suction plenum may provide working fluid at the second pressure to the compression chamber.

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16-04-2020 дата публикации

ELECTRIC PUMP

Номер: US20200119626A1
Автор: Tian Hongmei, ZHANG LULU

An electric pump is provided. The electric pump includes a PCB board, where the PCB board is formed with a power input port. The electric pump further includes a common mode filter, where the common-mode filter includes a common mode inductor, and the common mode inductor is arranged close to the power input port; and in a direction perpendicular to a plane on which the PCB is located, no wiring is provided at the common mode inductor corresponding to a wiring film layer in the PCB. 1. An electric pump , comprising:a stator assembly;a rotor assembly; anda PCB, whereinthe stator assembly comprises a coil, the rotor assembly comprises a permanent magnet, the coil is electrically connected with the PCB, an excitation magnetic field is generated when the coil is energized, and the rotor assembly rotates in the excitation magnetic field;the PCB is provided with a power input port, the electric pump further comprises a common mode filter, the common mode filter comprises a common mode inductor arranged close to the power input port; andin a direction perpendicular to the PCB, no wire is provided at a position in a wiring film layer in the PCB corresponding to the common mode inductor.2. The electric pump according to claim 1 , further comprising:a first filter arranged close to the common mode filter in a direction parallel to the PCB, wherein a distance between the first filter and the power input port is greater than a distance between the common mode filter and the power input port;and wherein the first filter comprises a first capacitor, a second capacitor and a differential mode inductor, and the second capacitor is connected in series with the differential mode inductor and is connected in parallel to the first capacitor.3. The electric pump according to claim 1 , wherein the PCB is provided with a communication interface; the electric pump comprises a TVS and a magnetic bead; the communication interface is electrically connected with both the TVS and the magnetic ...

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23-04-2020 дата публикации

MULTI-STAGE COMPRESSION AND COMPONENT REMOVAL

Номер: US20200122084A1
Принадлежит:

A gas compression system includes a system inlet to receive a gas stream containing a first component and a second component, a vapor system outlet to discharge the gas stream, and a plurality of compression stages coupled in series between the system inlet and the vapor system outlet. Each of the plurality of compression stages includes a compressor, a condenser coupled to the compressor, and a gravity-independent phase separator coupled to the condenser. The compressor is configured to receive the gas stream from either the system inlet or another of the plurality of compression stages and compress the gas stream. The condenser is configured to condense the second component from the gas stream. The gravity-independent phase separator is configured to remove the second component from the gas stream and discharge the gas stream to either the system outlet or another of the plurality of compression stages. 1. A gas compression system , comprising:a system inlet configured to receive a gas stream containing a first component and a second component;a vapor system outlet configured to discharge the gas stream; and a compressor configured to receive the gas stream from either the system inlet or another of the plurality of compression stages and compress the gas stream;', 'a condenser coupled to the compressor, the condenser configured to condense the second component from the gas stream; and', 'a gravity-independent phase separator coupled to the condenser, the gravity-independent phase separator configured to remove the second component from the gas stream and discharge the gas stream to either the vapor system outlet or another of the plurality of compression stages., 'a plurality of compression stages coupled in series between the system inlet and the vapor system outlet, wherein each of the plurality of compression stages comprises2. The system of claim 1 , wherein the gravity-independent phase separator of each of the plurality of compression stages comprises at ...

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07-08-2014 дата публикации

Reciprocating pump and oxygen concentrator

Номер: US20140216262A1
Принадлежит: Daikin Industries Ltd

A reciprocating pump includes a motor having a motor shaft, four cylinders, four pistons disposed in the cylinders and reciprocated by the motor shaft, a casing accommodating the motor shaft, and eight ducts. The four cylinders are disposed at positions offset 90 degrees from each other about the motor shaft. Cylinder shaft directions are perpendicular to a motor shaft direction. The eight ducts include four intake ducts and four exhaust ducts. Gas is introduced into the cylinders through the intake ducts and discharged from the cylinders through the exhaust ducts. The eight ducts are disposed in a region surrounded by the cylinders when viewed along the motor shaft direction. The eight ducts are arranged in four pairs with each pair disposed between adjacent cylinders about the motor shaft. The four pairs of ducts disposed between the adjacent cylinders extend along the motor shaft direction.

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19-05-2016 дата публикации

AIR COMPRESSOR ASSEMBLY HAVING A CONDENSATE MANAGEMENT SYSTEM

Номер: US20160138578A1
Принадлежит:

An air compressor assembly including a condensate management system that removes condensate from an air storage tank. Condensate inside the storage tank descends to the lowest point in the tank, where a single port is located. The port can serve as both an inlet for compressed air to the storage tank and an outlet of compressed air from the storage tank. The condensate is drawn from the storage tank to the manifold assembly through an air conduit and out of the air compressor assembly through a connected tool when the tool is activated. 1. An air compressor assembly comprising:at least one storage tank configured to store compressed air;an air compressor that includes a pump assembly configured to supply the compressed air to the at least one storage tank and a motor configured to drive the pump assembly;a manifold assembly including an inlet for receiving the compressed air from the pump assembly, a tank pressure gauge configured to display a pressure of the compressed air entering the manifold assembly, a pressure regulator configured to regulate a pressure of the compressed air being output from the manifold assembly, and an outlet configured to deliver an output of the compressed air to a pneumatic tool; andan air conduit connected between the manifold assembly and the at least one storage tank to deliver the compressed air and a condensate from the at least one storage tank to the manifold assembly; anda port disposed in the at least one storage tank, the port admitting the compressed air into, and releasing the compressed air and the condensate from, the at least one storage tank to the air conduit and the manifold assembly.2. The air compressor assembly according to claim 1 , further comprising a housing encasing the at least one storage tank claim 1 , the pump assembly claim 1 , and the motor and at least partially encasing the manifold assembly.3. The air compressor assembly according to claim 1 , further comprising a second storage tank for storing ...

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03-06-2021 дата публикации

ELECTRIC COMPRESSOR

Номер: US20210164459A1
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

An electric compressor includes an electric motor, and a motor controller configured to drive the electric motor. The motor controller includes a high voltage circuit board on which switching elements are mounted, a low voltage circuit board on which a control circuit controlling switching operation of the switching elements is mounted, an input connector, an output connector, and a current sensor. The high voltage circuit board and the low voltage circuit board are stacked with each other. The output connector is integrated with a detection busbar that provides electrical connection between the high voltage circuit board and the low voltage circuit board, and through which detection signals indicative of the output current are output to the control circuit. 1. An electric compressor , comprising:an electric motor; anda motor controller configured to drive the electric motor, a high voltage circuit board on which switching elements are mounted;', 'a low voltage circuit board on which a control circuit controlling switching operation of the switching elements is mounted;', 'an input connector that provides electrical connection between the high voltage circuit board and the low voltage circuit board, and through which control signals from the control circuit are input into the switching elements;', 'an output connector through which output current is output to the electric motor, and which is electrically connected to the high voltage circuit board; and', 'a current sensor that is mounted on the high voltage circuit board, and detects the output current to the electric motor,, 'the motor controller includingthe electric compressor being configured such that the high voltage circuit board and the low voltage circuit board are stacked with each other, whereinthe output connector is integrated with a detection busbar that provides electrical connection between the high voltage circuit board and the low voltage circuit board, and through which detection signals ...

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17-05-2018 дата публикации

MICROFLUIDIC FAN

Номер: US20180135613A1
Принадлежит: RAPKAP AB

A device () for controlling a flow of a gaseous fluid is disclosed. The device comprises a first electrode () and a second electrode () offset from the first electrode in a downstream direction of the flow. The electrodes are connectable to a voltage source. A thermally conducting flange () is arranged to extend in a plane parallel to a direction of the flow and adapted to dissipate heat from the gaseous fluid. At least a portion of the first electrode has a maximum height (h) in a direction parallel to a direction of the flow and a maximum width (w) in a direction orthogonal to the direction of the flow, wherein said maximum height is larger than said maximum width so as to improve the pumping efficiency of the device. A method for manufacturing the device, and a method for controlling a fluid flow by means of such device, is also disclosed. 121-. (canceled)22. A device for controlling a flow of a gaseous fluid , the device comprising:a first electrode;a second electrode, wherein at least a portion of the second electrode is offset from at least a portion of the first electrode in a downstream direction of the flow, the electrodes being connectable to a voltage source; andat least one thermally conducting flange extending in a plane oriented along a direction of the flow and being adapted to dissipate heat from the gaseous fluid, wherein at least a portion of the first electrode has a maximum height in a direction parallel to a direction of the flow and a maximum width in a direction orthogonal to the direction of the flow, wherein said maximum height is larger than said maximum width.23. The device according to claim 22 , wherein the first electrode comprises bridges and joints forming a grid structure arranged to allow the gaseous fluid to pass through the first electrode claim 22 , and wherein said portion of the first electrode forms part of at least one of the bridges.24. The device according to claim 22 , wherein the first electrode is formed as a rod having ...

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28-05-2015 дата публикации

Air compressor

Номер: US20150147208A1
Автор: Chi-Wen Chen
Принадлежит: Individual

The air compressor contains a casing member, a driving member, and a cylinder member. The casing member has a first accommodation section, a second accommodation section, and a connection section connecting the first and second accommodation sections. The first accommodation section has a number of first inlets and first outlets. The driving member is located between the first and second accommodation sections, and is adjacent to the first outlets. The cylinder member is located both in the second accommodation section and the connection section, and is adjacent to the second outlets. The outside cool air is drawn into the casing member through the first inlets. A portion of the drawn air is released through the first outlets, forming a first flow path for cooling down the driving member. Another portion is released through the second outlets, forming a second flow path for cooling down the cylinder member.

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30-04-2020 дата публикации

PUMP UNIT

Номер: US20200132063A1
Принадлежит: Vetter GmbH

A pump unit () can be carried by an operating person for the pressurized filling of inflatable filling chambers with a fluid, in particular lifting pads (), blocking pads, tents or the like. The pump unite includes a fluid pump (), an electric motor () for driving the fluid pump (), a battery (), a control unit () for controlling the operation of the fluid pump, and a connector () for the connection of a fluid hose () which leads to the filling chamber. A manually actuatable control valve () is positioned on the pump unit (). 119-. (canceled)21. The pump unit according to claim 20 , wherein the portable pump unit comprises a housing or a support frame and the control valve is housed in or on the housing or support frame.22. The pump unit according to claim 20 , wherein the control valve is housed in a valve block or is a component of the valve block.23. The pump unit according to claim 22 , wherein the valve block is positioned on the fluid pump.24. The pump unit according to claim 20 , further comprising a pressure measuring device which measures filling pressure of the inflatable filling chamber.25241816. The pump unit according to claim 24 , wherein the pressure measurement device () is located between the connector () and the control valve ().26. The pump unit according to claim 24 , wherein the pressure measurement device is housed in the valve block.27. The pump unit according to claim 24 , wherein the pressure measurement device comprises a display.28. The pump unit according to claim 24 , wherein the pressure measurement device is connected to the control unit via a signal line.29. The pump unit according to claim 20 , wherein at least two control valves are provided at the pump unit claim 20 , each control valve comprising a connector for connecting a fluid hose leading to one fluid chamber each.30. The pump unit according to claim 29 , wherein a common fluid pump is provided for the at least two control valves.31. The pump unit according to claim 20 , ...

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09-05-2019 дата публикации

Air Compressor

Номер: US20190136843A1
Принадлежит:

Provided is an air compressor improved in terms of reliability by taking into consideration of the condensation of the water vapor in the compressed air. According to the present invention, an air compressor includes: a compressor main body; a compression chamber of the compressor main body compressing sucked-in air; an oil supply port supplying a lubricating oil to the compression chamber; an oil separator separating compressed air discharged from the compression chamber and the lubricating oil from each other; oil temperature adjustment means adjusting temperature of the lubricating oil supplied to the oil supply port; control means controlling the oil temperature adjustment means; sucked-in air temperature detection means detecting temperature of the sucked-in air; and sucked-in air humidity detection means detecting humidity of the sucked-in air, wherein the oil temperature adjustment means is controlled on the basis of detection information of the sucked-in air temperature detection means and of the sucked-in air humidity detection means. 1. An air compressor comprising:a compressor main body;a compression chamber of the compressor main body compressing sucked-in air;an oil supply port supplying a lubricating oil to the compression chamber;an oil separator separating compressed air discharged from the compression chamber and the lubricating oil from each other;oil temperature adjustment means adjusting temperature of the lubricating oil supplied to the oil supply port;control means controlling the oil temperature adjustment means;sucked-in air temperature detection means detecting temperature of the sucked-in air; andsucked-in air humidity detection means detecting humidity of the sucked-in air, whereinthe control means controls the oil temperature adjustment means on the basis of detection information of the sucked-in air temperature detection means and the sucked-in air humidity detection means.2. The air compressor according to claim 1 , whereinthe oil ...

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26-05-2016 дата публикации

Cryogenic Pump with Insulating Arrangement

Номер: US20160146199A1
Принадлежит: Caterpillar Inc

A cryogenic pump configured for pressurizing a cryogenic fluid is provided. The cryogenic pump includes a warm end portion adapted to not contact cryogenic fluid during operation of the pump and including one or more driving components. The cryogenic pump includes a cold end portion adapted to contact cryogenic fluid during operation of the pump and including a pump inlet and a pump outlet. An insulating arrangement including an insulator plate is arranged between the warm end portion and the cold end portion and defines a first air gap between the cold end portion and the insulator plate.

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24-05-2018 дата публикации

NEAR ISOTHERMAL MACHINE

Номер: US20180142681A1
Автор: Crowley Michael
Принадлежит:

A machine for compressing or expanding gas comprises a piston operating downwards in a compression stroke with respect to an inclined or vertical cylinder and upwards with respect to the cylinder in an expansion stroke. The piston has a heat absorbing and releasing structure attached to its bottom face. There is a gap between the piston and the base of the cylinder when the gas volume in the cylinder is at its minimum The gap contains a hydraulic fluid which absorbs heat from the heat absorbing and releasing structure. A heat transfer surface containing fluid circulating to and from an external source maintains the hydraulic fluid at constant temperature. In one arrangement the heat absorbing and releasing structure comprises thin sheets of aluminium attached orthogonally to the bottom face of the piston. 1. A machine for compressing or expanding gas comprising a piston , a cylinder inclined to the vertical or vertical , a heat absorbing and releasing structure comprising a plurality of bent elements attached to and disposed orthogonally to the bottom of the piston , the piston operating downwards in a compression stroke with respect to a cylinder and upwards with respect to the cylinder in an expansion stroke , and in which the cylinder contains a constant volume of liquid maintained at a constant temperature and a variable volume of gas at the same constant temperature2. A machine according to in which the heat absorbing and releasing structure comprises a plurality of sheets curved across their width.3. A machine according to in which the plurality sheets are arranged in concentric arcs on the bottom face of the piston.4. A machine according to in which the sheets are wavy and the waves are distributed across the width of the sheets.5. A machine according to in which the ends of the sheets away from the bottom of the piston are rounded toward the edges of the sheets.6. A machine according to in which the length of adjacent sheets are staggered.7. A machine ...

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04-06-2015 дата публикации

Compressor Housing Having Sound Control Chambers

Номер: US20150152857A1
Принадлежит:

A compressor assembly having a housing with a number of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of providing a plurality of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. Sound level of a compressor can be controlled by separating the internal volume of a housing which encases at least a portion of a pump assembly to create sound control chambers and/or eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. 1. A compressor assembly , comprising:a pump assembly;a fan;a housing encasing at least a portion of the pump assembly and at least a portion of the fan; anda noise level which is 75 dBA or less when the compressor is in a compressing state.2. The compressor assembly according to claim 1 , wherein the housing further comprises a plurality of partitions.3. The compressor assembly according to claim 1 , wherein the housing further comprises at least two partitions.4. The compressor assembly according to claim 1 , wherein the housing further comprises at least three partitions.5. The compressor assembly according to claim 1 , wherein the housing further comprises a plurality of sound control chambers.6. The compressor assembly according to claim 1 , wherein the housing further comprises a fan sound control chamber.7. The compressor assembly according to claim 1 , wherein the housing further comprises a pump sound control chamber.8. The compressor assembly according to claim 1 , wherein the housing further comprises an exhaust sound control chamber.9. The compressor assembly according to claim 1 , wherein the housing further comprises an upper sound control chamber.10. The compressor assembly according to claim 1 , wherein the housing further comprises a fan sound control chamber having inlet ports ...

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25-05-2017 дата публикации

GAS COMPRESSION SYSTEM AND METHOD OF COMPRESSING GAS USING THE GAS COMPRESSION SYSTEM

Номер: US20170146000A1
Принадлежит:

A gas compression system is provided. The gas compression system includes a compressor, an adsorption device, and a fluid control device. The compressor includes a first port and a second port. The adsorption device is adapted to output the high pressure hydrogen gas to the first port and absorb the low pressure hydrogen gas from the second port. The adsportion includes a first container connected to the first port or the second port, and a second container connected to the first port or the second port. The first container and the second container includes a hydrogen adsorption material adapted to release the high pressure hydrogen gas when heated, and absorb the low pressure hydrogen gas when cooled. A method of using the gas compression system is also provided. 1. A gas compression system comprising:a compressor, comprising a pressurizing chamber including a first port and a second port, wherein the first port is adapted for receiving a hydrogen gas and the second port is adapted for outputting the hydrogen gas; a first container connected to the first port or the second port of the pressurizing chamber, wherein the first container includes a hydrogen adsorption material; and', 'a second container connected to the first port or the second port of the pressurizing chamber, wherein the second container includes the hydrogen adsorption material,', 'wherein the hydrogen adsorption material of the first container and the second container is adapted to release the hydrogen gas when heated, and absorb the hydrogen gas when cooled; and, 'an adsorption device adapted to output the hydrogen gas to the first port and absorb the hydrogen gas from the second port, the adsportion device comprisinga fluid control device, adapted to provide one of a first fluid through a first fluid source and a second fluid through a second fluid source to the first container and the other one of the first fluid and the second fluid to the second container, wherein a temperature of the first ...

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16-05-2019 дата публикации

Method of Construction for High Cycle Fatigue Resistant Pressure Vessels in Hydrogen Service

Номер: US20190145395A1
Принадлежит: Haskel International, LLC

A method and system are described for a gas booster, preferably for use with hydrogen. A linear actuator can provide compression in first and second compression vessels. The liner of the compression vessels can be placed in compressive stress so that any cracks that form do not spread. Compressive stress can be applied using, at least, a shrink fit process or a wire wrapping process. The compressive stress will help the inner liner to resist fatigue and cracking due to pressure cycling and corrosion by materials being compressed in the compression vessels. This also protects the chamber jacket from wear and tear. 1. A gas booster for compressing a gas , comprising: an inlet configured to receive a portion of gas from a supply line;', 'a liner surrounded by a jacket, wherein jacket and the liner have been joined by a shrink fit process; and, 'a compression vessel comprisinga linear actuator, the linear actuator operable to compress the portion of gas in the compression vessel when moving in a first direction and operable to draw the portion of gas into the compression vessel when moving in a second direction opposite the first direction.2. The gas booster of further comprising a second compression vessel claim 1 , comprising: a second inlet configured to receive the portion of gas from the compression vessel; and', 'a second liner surrounded by a second jacket, wherein the second jacket and the second liner have been joined by a shrink fit process;, 'a second compression vessel comprising;'}wherein the linear actuator is operable to compress the portion of gas in the second compression vessel when moving in the second direction and to draw the portion of gas into the second compression vessel when moving in the first direction.3. The gas booster of wherein the portion of gas comprises hydrogen.4. The gas booster of wherein the linear actuator is hydraulically driven.5. The gas booster of wherein the linear actuator is pneumatically driven.6. The gas booster of ...

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07-05-2020 дата публикации

Lattice-cored additive manufactured compressor components with fluid delivery features

Номер: US20200141399A1
Принадлежит: Emerson Climate Technologies Inc

A light-weight, high-strength compressor component having at least one fluid delivery feature that is formed via additive manufacturing is provided. The component may have at least one interior region comprising a lattice structure that comprises a plurality of repeating cells. A solid surface is disposed over the lattice structure. The interior region comprising the lattice structure has at least one fluid delivery feature for permitting fluid flow through the body portion of the light-weight, high-strength compressor component. The fluid delivery feature may be a flow channel, a fluid delivery port, a porous fluid delivery feature, or the like that serves to transfer fluids through the component, such as refrigerant and/or lubricant oils. Methods of making such compressor components via additive manufacturing processes are also provided.

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17-06-2021 дата публикации

CYLINDER HEAD FOR A COMPRESSOR

Номер: US20210180582A1
Автор: BURKAUSKAS MARIUS
Принадлежит:

A cylinder head for a reciprocating compressor for compressing a compressible working medium includes a cylinder cover and a valve carrier plate. An intermediate element is arranged between the cylinder cover and the valve carrier plate, and a plurality of channel sections and/or chambers are formed between the valve carrier plate and the intermediate element and between the cylinder cover and the intermediate element or are formed thereby, through which various media flows can be conducted. The efficiency of the reciprocating compressor is improved in that insulation chambers are provided in the cylinder head, which at least in regions thermally insulate the channel sections and/or chambers from one another. 110-. (canceled)11. A cylinder head for a reciprocating compressor for compressing a compressible working medium , the cylinder head comprising:a cylinder cover;a valve carrier plate; andan intermediate element disposed between said cylinder cover and said valve carrier plate;a plurality of channel sections and/or chambers configured to conduct therethrough various media flows, said channel sections and/or said chambers being formed between said valve carrier plate and said intermediate element and between said cylinder cover and said intermediate element, respectively;an insulation chamber formed to thermally insulate said channel sections and/or chambers from one another, at least in regions.12. The cylinder head according to claim 11 , wherein said insulation chamber is formed between an inlet chamber and an outlet chamber of the cylinder head.13. The cylinder head according to claim 11 , wherein the cylinder head is formed with an outlet channel claim 11 , and wherein said insulation chamber is formed to claim 11 , at least in regions claim 11 , thermally insulate said inlet chamber and said outlet chamber relative to said outlet channel.14. The cylinder head according to claim 11 , wherein said insulation chambers are substantially formed by recesses in ...

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01-06-2017 дата публикации

Cylinder Head For A Compressor With Particularly Efficient Air Cooling

Номер: US20170152842A1
Принадлежит:

A cylinder head is provided for a compressor, including at least one coolant-conducting region and at least two air-conducting regions. The at least one coolant-conducting region is arranged at least partially around the at least two air-conducting regions. The at least two air-conducting regions have at least one air-feeding duct for feeding the air to be compressed into the compressor and at least one air-discharging duct for outputting a compressed air which is compressed by the compressor. The at least one air discharging duct includes an open-pore, metallic cell structure. 1. A cylinder head for a compressor , comprising:at least one coolant-conducting region;at least two air-conducting regions, whereinthe at least one coolant-conducting region is at least partially arranged around the at least two air-conducting regions,the at least two air-conducting regions have at least one air-supplying duct for feeding air to be compressed into the compressor and at least one air-discharging duct for outputting compressed air compressed by the compressor, andthe at least one air-discharging duct comprises an open-pore metallic cell structure.2. The cylinder head as claimed in claim 1 , wherein the at least one air-discharging duct is at least partially configured as an open-pore metallic cell structure.3. The cylinder head as claimed in claim 1 , wherein the open-pore metallic cell structure is produced by using inserts.4. The cylinder head as claimed in claim 1 , wherein the open-pore metallic cell structure is produced by mechanical manufacturing.5. The cylinder head as claimed in claim 1 , wherein the open-pore metallic cell structure is produced by a lost-foam method.6. The cylinder head as claimed in claim 1 , wherein the open-pore metallic cell structure is produced by foaming.7. A method for producing a cylinder head claim 1 , comprising:at least one coolant-conducting region;at least two air-conducting regions, whereinthe at least one coolant-conducting region is ...

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07-06-2018 дата публикации

Compressor installation with drying device for compressed gas and method for drying compressed gas

Номер: US20180154302A1
Принадлежит: Atlas Copco Airpower NV

A compressor installation with drying device for compressed gas, with the drying device containing a housing with a drying zone and a regeneration zone; whereby in the housing a drum with a drying agent is fitted rotatably; and whereby the pressure line comprises a heat-exchanger for cooling the compressed gas before it enters said drying zone, whereby a tap-off pipe is connected to the discharge line that is connected to a cooling inlet of the heat-exchanger, while the heat-exchanger further comprises a cooling outlet that is connected to the inlet of the regeneration zone, while the outlet of the regeneration zone is connected to said pressure line.

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22-09-2022 дата публикации

Dryer

Номер: US20220298716A1
Принадлежит: LG ELECTRONICS INC

The present disclosure relates to a dryer. The dryer of the present disclosure includes a cabinet forming an exterior, a drum rotatably installed inside the cabinet, a heat pump module including an evaporator, a compressor, a condenser, and an expander through which a refrigerant circulates to supply hot and dry air into the drum, a compressor chamber housing configured to reduce noise generated by the compressor and form a compressor chamber which is a space through which air flows around an outer periphery of the compressor, and a cooling fan configured to cause air to flow into the compressor chamber.

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22-09-2022 дата публикации

Fracturing apparatus and control method thereof, fracturing system

Номер: US20220298906A1

A fracturing apparatus may include a first plunger pump including a first power end and a first hydraulic end; a prime mover including a first power output shaft; and a first clutch including a first connection portion and a second connection portion. The first power end of the first plunger pump includes a first power input shaft, the first connection portion is coupled to the first power input shaft, the second connection portion is coupled to the first power output shaft of the prime mover.

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