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WO/2019/220924A1 |
An electrically driven compressor (10) is provided with a housing (20), a compression mechanism (30), an electric motor (40), and a main shaft (50). The electrically driven compressor is provided with a first bearing (61) which rotatably...
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WO/2019/214239A1 |
A secondary vibration reduction device of a compressor, and an air conditioner having same. The air conditioner comprises a secondary vibration reduction device of a compressor. The secondary vibration reduction device of a compressor co...
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WO/2019/216538A1 |
The compact air compressor according to the present invention comprises a cylinder block 40 having a suction muffler 43 and a discharge muffler 44 integrally formed, provided with a suction valve and a discharge valve, to block the front...
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WO/2019/214991A1 |
The invention relates to a drive for a piston pump or a compressor comprising a drive housing and a crank drive accommodated by the drive housing. The crank drive comprises a crankshaft which is mounted via the drive housing for executin...
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WO/2019/216834A1 |
The present invention discloses a power supply wire connecting structure (1) for a hermetic compressor (10) comprising: a glass terminal (30) including a circular cap shaped body (31), and a plurality of connection pins (32) which are he...
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WO/2019/211100A1 |
The invention relates to a port plate (1) for a fluid throughput regulating device, comprising at least one fluid blocking section, and at least one flu- id conduit means (7, 9, 10, 13, 14, 15, 17, 18, 19) that fluidly connects two surfa...
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WO/2019/211894A1 |
This geothermal heat pump system is provided with: a refrigerant circuit which comprises a compressor in which an antivibration material has been provided, a primary-side heat exchanger which exchanges heat between a refrigerant and a li...
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WO/2019/211239A1 |
The aim of the invention is to provide a device (100) for cleaning and/or maintaining escalator steps which permits simple and rapid repair of escalator steps. Said aim is achieved in that the device comprises a compressor (24), an air t...
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WO/2019/209427A1 |
A fluid pump apparatus (60) for an artificial lift system has a barrel (62), a standing valve (64) positioned at a lower end (74) of the barrel (62) so as to be movable between an open position and a closed position, a plunger (66) recip...
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WO/2019/209361A1 |
A reciprocating compressor (10) with an improved valve assembly (20) is disclosed. Compressor (10) includes a cylinder block (12) having a cylinder that defines a cylindrical bore (14) extending longitudinally along a bore axis (16). Cyl...
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WO/2019/206491A1 |
The invention relates to a method for producing a sealing device (74) for a high-pressure fuel pump (28) having a piston (30), said piston having an end section facing a drive, on which the sealing device can be provided radially surroun...
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WO/2019/208031A1 |
Provided are a fluid machine with which it is possible to increase abrasion resistance and extend maintenance cycle, and a machine element and a fluorine resin material for use therein. The machine element comprises a member (31) having ...
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WO/2019/207719A1 |
Provided is a circumferential welding method for use on a hermetic compressor having a cylindrical container and a pair of lid caps provided at the two ends of the cylindrical container. This method includes: a workpiece temperature acqu...
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WO/2019/206600A1 |
The invention relates to a fuel delivery device (100) for cryogenic fuels, comprising a tank (30), a high-pressure delivery pump (1), and a supply line (18), via which the high-pressure delivery pump (1) can be supplied with cryogenic fu...
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WO/2019/205666A1 |
A compressor, an air conditioner, and a control method for a compressor. The compressor comprises a main housing (10), an oil sump (20), a gas discharge port, an oil discharge pipe (30), and a flow regulator (40). The oil sump (20) is fo...
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WO/2019/205581A1 |
A heat recovery device for an air compressor, the device comprising a fastening base (1), a heat exchanger (2), a heat-insulated container (3), and a water storage tank (4). An oil inlet pipe (6) and an oil outlet pipe (7) are provided a...
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WO/2019/207451A2 |
Present embodiments provide a damped compressor used in mobile appliances. The appliances may comprise a compressor which is disposed within a housing and is in fluid communication with a refrigerant system. The present embodiments provi...
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WO/2019/208182A1 |
In a compressor provided with a cylinder, and a piston which reciprocates in an axial direction inside the cylinder, this piston ring seals a gap between an outer circumferential portion of the piston and an inner wall surface of the cyl...
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WO/2019/208079A1 |
A compressor (10) is provided with a motor (30), a lower balance weight (133a), and partitions (133b, 133s). The motor (30) has a rotor (132) having a first end surface (E1) and a second end surface (E2). The balance weight (133a) is pro...
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WO/2019/202115A1 |
The invention relates to a compressor device (100) for compressing a gas in at least one compression chamber (1a, 1b, 1c, 1d, 1e, 1f) in at least one compression cylinder (2a, 2b), in which device a) at least one drive piston (13a, 13b) ...
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WO/2019/196949A1 |
An eccentric bushing (2) for a crankshaft of a compressor, a crankshaft (1), a crankshaft assembly (100), and a compressor. The crankshaft (1) comprises a spindle (12), a counterbalance (11), and an eccentric shaft (13); the spindle (12)...
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WO/2019/192886A1 |
The present invention relates to a cylinder head (1) adapted to be used in a hermetically sealed compressor (2) of a cooler appliance. The cylinder head (1) comprises a shell (3), at least one space (4) provided in the shell (3), an exha...
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WO/2019/195613A1 |
A replacement tube (300, 400, 500) for a manifold is provided. The replacement tube includes a closed cell foam (305) and a reinforcement strip (310). The closed cell foam is formed in a cylindrical tube and flexible to absorb pressure p...
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WO/2019/193921A1 |
[Problem] To minimize sticking of a lead valve and to improve sealing. [Solution] On the front surface of a valve plate (24), a plurality of recesses (61), which are only partially covered by an intake valve (56), are formed in the perip...
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WO/2019/194126A1 |
A compressor (10) comprises a casing (20), a compression mechanism (40), a first ferrous member (20b), a first copper pipe (73), a refrigerant flow path member (72), and a sealing member (74). The casing (20) has an opening (20a). The co...
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WO/2019/194942A1 |
Systems and method for operating a gas compressor (100) are disclosed herein. A compressor can have one or more dry gas seals (220, 222, 230, 232) surrounding the central axle of the compressor. The dry gas seals can each be pressurized ...
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WO/2019/192893A1 |
The present invention relates to a compressor (1) comprising a housing (2) enclosing the movable parts, a body (3) on which the parts are gathered, a vibration eliminator (5) placed on the body (3) with one of its ends and whose other en...
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WO/2019/188762A1 |
Provided is a piston compressor configured so that loss in discharge pressure can be suppressed, a structure can be simplified, and the piston compressor can realize an air conditioning device capable of exhibiting excellent control perf...
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WO/2019/190399A1 |
A hermetic compressor is disclosed. The hermetic compressor comprises compressing unit and an electromotive unit. The compressing unit comprises: a cylinder block having a compression chamber; cylinder head having a discharge chamber whi...
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WO/2019/187541A1 |
This compressor is provided with: a casing (1); a terminal (2) which is provided to the casing (1) and which has a body section (21) and a terminal rod (22) which is inserted into the body section (21); a terminal guard (3) which is prov...
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WO/2019/188438A1 |
The present invention provides, in a cabinet-type device equipped with a plurality of power conversion devices, a preferable arrangement of the power conversion devices. The cabinet-type device is provided with: a rotating electric machi...
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WO/2019/186800A1 |
This hermetic compressor is provided with: a hermetic container serving as an outer shell; a compression mechanism installed within the hermetic container and compressing, within a compression chamber, a sucked-in fluid; a discharge open...
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WO/2019/181244A1 |
Provided are a compressor and a heat pump system capable of switching an injection state in response to an operating condition with a simple configuration. The compressor is provided with at least a suction unit, a compression unit, and ...
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WO/2019/181334A1 |
Provided is a compressor capable of suppressing a reduction in oil present in an accommodating space, even if the attitude of the compressor is an attitude in which the accommodating space is above a crank chamber, in a vertical directio...
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WO/2019/180982A1 |
The purpose of the present invention is to provide a steam-generating heat pump device that, even when a heat exchanger that adjusts the temperature of compressor oil is provided, allows heat discharged from the heat exchanger to be effi...
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WO/2019/176475A1 |
Provided is an electric compressor that enables an electric potential difference generated between two adjacent housings to be reduced in a stable manner. An electric compressor 1 comprises: a compressing mechanism that compresses a refr...
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WO/2019/176563A1 |
A fluid machine that performs efficient cooling of a control system, such as a control device. The fluid machine is provided with: a fluid machine body; a drive source; a control device; a housing in which the fluid machine body, the dri...
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WO/2019/176476A1 |
Provided is a compressor in which the amount of oil flowing out into an intake chamber can be reduced. A compressor 1 is provided with a drive shaft (6), a pressure supply passage (7), and a discharge passage (8). The discharge passage (...
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WO/2019/176724A1 |
[Problem] One purpose of the present invention is to provide a reliable swash plate-type compressor in which generation of noise at a thrust bearing in a swash plate-type compressor is suppressed. Another purpose of the present invention...
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WO/2019/169830A1 |
A vacuum pumping device (100) and a food processor (300). The vacuum pumping device (100) comprises: an upper cover (110); a lower cover (130), which cooperates with the upper cover (110) to form an accommodating cavity (110a), an air ex...
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WO/2019/170883A1 |
An automatic plate valve (1) comprises a valve seat (2), a valve catcher (3), a longitudinal axis (L) and a valve element (7) which is arranged between the valve seat (2) and the valve catcher (3) and which can move back and forth in the...
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WO/2019/172296A1 |
This electron transfer device (11) is provided with: a converter (12) which converts alternating current into direct current and applies a direct current voltage between a positive terminal (12a) and a negative terminal (12b); a first co...
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WO/2019/166154A1 |
The invention relates to a piston compressor (1) for compressing a working fluid, particularly a liquid or gaseous fuel, comprising a piston (4) which can move back and forth in a cylinder bore (2) of a housing (3), has a one- or multi-p...
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WO/2019/169366A1 |
A suction cover assembly for a frac pump includes a suction cover having an annular base flange defining a sealing interface proximate to the base flange. The suction cover is dimensioned to be accommodated within a bore well of a fluid ...
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WO/2019/168526A1 |
In some examples, a scroll compressor may include an orbiting scroll and a fixed scroll having spiral involutes intermeshed together. A slider block may be disposed on the eccentric portion of a main shaft and the slider block may be att...
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WO/2019/166954A1 |
The pump comprises: a piston (2) at least partially made of ferromagnetic material; and a hollow body (6) configured for being crossed by a flow of fluid and comprising a work chamber (7) in which the piston (2) can reciprocate in a guid...
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WO/2019/163407A1 |
Provided is an electric compressor in which the connection strength between an inverter circuit part and lead terminals from a motor has been improved. An electric compressor (1) is configured by electrically connecting lead terminals (2...
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WO/2019/163404A1 |
Provided is an electric compressor in which the connection strength between an inverter circuit part and an electrical circuit part connected thereto by a connection terminal has been improved. An inverter circuit part (3) comprises an i...
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WO/2019/163405A1 |
Provided is an electric compressor in which the oscillation of a filter circuit part that absorbs the high-frequency components of a switching current has been reduced. A filter circuit part (5) comprises a filter circuit board (66) on w...
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WO/2019/163406A1 |
The purpose of the present invention is to facilitate the work to assemble an electric compressor to which an inverter circuit part and a filter circuit part are attached. The inverter circuit part (3) comprises an inverter control board...
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