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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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,...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 139 1 2 3 >