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US20060218959 |
Refrigerant compressor
In order to improve a refrigerant compressor for refrigerating systems comprising at least one cylinder unit, which has a cylinder housing and a piston which can move in an oscillating manner in... |
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US20140322034 |
OFFSET VALVE BORE FOR A RECIPROCATING PUMP
A fluid end 15 for a multiple reciprocating pump assembly 12 comprises at least three plunger bores 61 or 91, each for receiving a reciprocating plunger 35. Each plunger bore has a plunger bore... |
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US20060034703 |
Metering Pump with proportional output
A metering pump includes an actuating mechanism, and a plurality of piston cylinders coupled to the actuating mechanism. A first of the cylinders has a working volume that differs from a second of... |
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US20100199838 |
HYDRAULIC SYSTEM HAVING AN ADJUSTABLE HYDROSTATIC MACHINE
A hydraulic system with an adjustable hydrostatic machine is provided that includes an adjustment mechanism. The adjustment mechanism interacts with an actuating device which has at least one... |
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US20070140870 |
Refrigerant compressor having an oil separator
A refrigerant compressor includes a compression mechanism, a discharge passage, and an oil separator. The compression mechanism compresses a refrigerant gas containing a lubricant oil. The... |
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US20050254961 |
Control valve for variable displacement compressor
In order to reduce the amount of refrigerant circulating within a variable displacement compressor to thereby improve compression efficiency, a control valve is configured to comprise a ball valve... |
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US20090004030 |
COMPRESSOR SWASH PLATE AND METHOD OF MANUFACTURING THE SAME
The invention provides a compressor swash plate which is lead-free and is able to demonstrate a superior durability. A compressor swash plate in the invention includes a base member and a sliding... |
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US20060039795 |
Fluid-working machine and operating method
A fluid-working machine has a plurality of working chambers, e.g. cylinders (11), of cyclically changing volume, a high-pressure fluid manifold (14) and a low-pressure fluid manifold (16), at... |
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US20050058551 |
Swash plate type variable displacement compressor
A variable displacement compressor includes a swash plate guiding member that rotates integrally with and inclines relative to a drive shaft, a swash plate supported by the guiding member, and a... |
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US20090007773 |
Axial plunger pump or motor
An axial plunger pump or motor comprises a casing (1), a main shaft (2), a rotor cylinder (14), a rotary swash plate (9) and a plurality of plunger assemblies (10), wherein a constant velocity... |
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US20060245939 |
Compressor
A compressor includes a housing, a rotary shaft, a bearing, a seal, a shaft seal chamber, a first passage, a second passage and the fluid passage. The first passage connects a crank chamber to the... |
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US20050207905 |
Fixed angle swash plate compressor
A compressor is disclosed generally comprising a housing, a shaft disposed therein, and a swash plate part that is mounted at a fixed angle relative to the longitudinal axis of the shaft. In some... |
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US20050265853 |
Control valve for variable displacement compressor
To provide a control valve for a variable displacement compressor, which is simple in construction and excellent in controllability. Between a port for introducing refrigerant at discharge... |
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US20050084387 |
Control system for hydrostatic pump
A control system that can be used on a hydrostatic pump has a feedback sensor to detect the angle of a swashplate. From the information gathered by the feedback sensor about the swashplate and... |
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US20070160483 |
BOOSTER-TYPE GAS COMPRESSOR
In a booster-type gas compressor, an electric motor in a motor case drives a crank shaft integrally connected to a driving shaft. The crank shaft is coupled to a piston rod extending perpendicular... |
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US20070148010 |
Peristaltic pump
The invention relates to a multi-channel peristaltic pump, wherein the housing is constituted by a dimensionally stable support frame (1) and a tube retainer (2) clipped thereto by means of a snap... |
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US20070041847 |
Piston-reciprocating gas compressor
A drive shaft is driven by an electric motor in a motor casing. A crankshaft integrally connected with the drive shaft is provided in a crankcase. A piston is reciprocated by the crankshaft in a... |
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US20050008499 |
Displacement control mechanism for variable displacement compressor
A displacement control mechanism used in a variable displacement compressor for controlling a displacement of the compressor includes a first control valve located on a supply passage and a second... |
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US20060110265 |
Pump and cleaning apparatus comprising said pump
A pump comprises a plurality of pistons movable in a direction, a swash plate arrangement forming an angle with said direction so as to reciprocate said plurality of pistons in said direction and... |
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US20060269421 |
Axial piston device
There is provided an axial piston device with which a pair of first oil passages and a drain oil passage for allowing at least one of the first oil passages to communicate with an oil sump. The... |
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US20120237369 |
CYLINDER BLOCK OF PISTON-TYPE COMPRESSOR AND METHOD FOR MANUFACTURING THE SAME
A cylinder block of a piston-type compressor includes a main cylinder block, a shaft hole formed through the main cylinder block, a plurality of cylinder bores formed in the main cylinder block... |
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US20090107327 |
Capacity-variable type swash plate compressor
A capacity-variable type swash plate compressor in which the preferable operability of a link mechanism and reduction of manufacturing cost are realized is provided. According to the compressor in... |
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US20050053474 |
Capacity control valve for variable displacement compressor
To provide a capacity control valve for a variable displacement compressor of a Pd-Ps differential pressure-controlled type, which suppresses overshooting of the differential pressure between the... |
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US20070237651 |
Reciprocating pump apparatus
An objective is to provide a reciprocating pump apparatus which can change a position where an adaptor to be fixed to a support is attached, while having a simple form. In a reciprocating pump... |
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US20140328702 |
AXIAL PISTON HIGH PRESSURE COMPRESSOR/PUMP
An axial machine having a wedge that drives a plurality of pistons and a retainer plate for maintaining the slipper shoes in contact with the wedge. A center positioning mechanism for the retainer... |
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US20070009367 |
Close fit cylinder and plunger
A pump that includes a cylinder housing having a through bore. A cylinder liner is disposed substantially within the through bore and includes a substantially uniform aperture having a first... |
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US20060228229 |
Piston type compressor
A piston type compressor comprises a housing, a rotary shaft supported by the housing, a cam mounted on the rotary shaft. The housing includes a discharge-pressure region and a suction-pressure... |
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US20050147504 |
Variable displacement compressor
A variable displacement compressor including a hinge mechanism that is easily machined. The hinge mechanism is arranged in the compressor between the lug plate and the cam plate. The hinge... |
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US20060039798 |
Control valve for variable displacement compressor
To provide a control valve for a variable displacement compressor, based on a Pd−Ps differential pressure control method, which is capable of setting characteristics concerning the degree of... |
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US20070253837 |
Variable capacity swash plate type compressor
The present invention relates to a variable capacity swash plate type compressor, in which a check valve for circulating refrigerant inside a compressor and preventing a backflow of the... |
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US20070177988 |
Structure for oil recovery in a compressor
In a structure for oil recovery in a compressor for separating oil from refrigerant and supplying the separated oil into the compressor through an oil supply passage, the compressor includes a... |
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US20090290996 |
Bent Axis Type Variable Displacement Pump/Motor
The present invention relates to an improvement of an bent axis type variable displacement pump/motor in which a piston moves reciprocatingly inside a cylinder and a state in which three parties... |
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US20080298980 |
COMPRESSOR
Disclosed is a compressor in which, in correspondence to a point in time that the piston is reached to a bottom dead center to start compression of the refrigerant, the outlet of the main... |
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US20050276701 |
Hydraulic motors
A variable displacement bi-directional hydraulic motor 10 comprising a rotatable member 14 that has an axis of rotation and defines a plurality of cylinder bores, respective pistons 30 received in... |
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US20060120882 |
Motor or pump assemblies
A hydraulic device includes a rotatable drum, at least one piston, a transition arm, and at least one compensating piston. The rotatable drum defines a cylinder that houses the piston. The... |
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US20050106034 |
Heat insulating structure of compressor
A compressor has a suction chamber and a discharge chamber, and compresses refrigerant gas. The compressor includes a cover housing having an inner wall surface. The inner wall surface defines at... |
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US20060083628 |
Swach plate type variable displayment compressor for supercritical refrigeration cycle
A swash plate type variable capacity compressor which is a compressor (10) to be used for a supercritical refrigerating cycle (1) and provided with a swash plate (400) which is disposed rotatably,... |
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US20060051223 |
Hydrotransformer
The invention is based on a hydraulic transformer having a housing and having an expeller part in which a plurality of expellers which bound a number of expeller spaces with variable volumes are... |
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US20100150741 |
HYDRAULIC UNIT HAVING ORIFICE PLATE DISPLACEMENT CONTROL
A hydraulic unit is disclosed. The hydraulic unit may have a rotatable body at least partially defining a plurality of barrels, a plurality of plungers associated with the plurality of barrels,... |
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US20070196216 |
WOBBLE PLATE COMPRESSOR
A wobble plate compressor (101) comprises at least one wobble plate (017) assigned at least two piston-cylinder assemblies. The wobble plate compressor (101) forms a multistage compressor in which... |
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US20050180872 |
Axial piston machine having a pilot control device for damping flow pulsations and manufacturing method
The invention relates to an axial piston machine having expellers arranged in a rotating cylinder block, and a valve plate which connects the expellers via valve openings to a port, and having a... |
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US20100074766 |
Compressor of Vehicle's Cooling System
A compressor of the vehicle's cooling system is configured such that an external refrigerant is introduced into a shaft in a radial direction through a body, flows in the shaft in an axial... |
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US20080317584 |
Compressor
A compressor includes a housing, a rotary shaft, a bearing, a seal, a shaft seal chamber, a lug plate, a thrust bearing, a first passage for connecting the crank chamber to the shaft seal chamber,... |
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US20050084389 |
Radial piston pump with flat seal between flange and housing
A radial piston pump, having a flange and a housing, a pump element in the housing, and an eccentric drive shaft that actuates a piston in the pump element radial to the drive shaft, which piston... |
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US20050031459 |
Piston type compressor
In a piston type compressor, a piston is respectively accommodated in a plurality of cylinder bores arranged around a rotary shaft. A rotary valve has a suction guiding passage for introducing gas... |
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US20090129948 |
SUCTION STRUCTURE IN FIXED DISPLACEMENT PISTON TYPE COMPRESSOR
A suction structure is provided for allowing refrigerant into a suction pressure region in a fixed displacement piston type compressor. The compressor includes a rotary valve. The suction... |
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US20050244278 |
Piston-type variable displacement compressor
In a piston-type variable displacement compressor according to the present invention, a rotary valve includes a guide passage having a main suction port for securing a flow rate corresponding to... |
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US20050186087 |
Compressor
A compressor includes a suction chamber, a working chamber, a discharge chamber, a discharge valve and a thermal insulating member. A low-pressure compressible fluid resides in the suction... |
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US20050226737 |
Axial piston hydraulic power unit with pseudo slippers
A combination of a bull nose type and slipper type axial piston pumps. The pseudo slipper axial piston pump has an elongated piston body with a bore disposed therethrough. The bore has a spring... |
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US20100269686 |
VARIABLE DISPLACEMENT COMPRESSOR HAVING REFRIGERANT FLOWING FUNCTION IN DRIVING SHAFT
Provided is a variable displacement compressor comprising a cylinder block having a plurality of cylinder bores, housing, a drive shaft rotatably supported by the cylinder block, a lug plate, a... |