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WO/2002/095229A1 |
The invention relates to a compressor, in particular for air conditioning systems in motor vehicles. Said compressor comprises a housing, a housing sealing cover, a drive shaft with bearings and a drive device for pistons that are displa...
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WO/2002/095226A1 |
The invention relates to a novel piston compressor whose return valves have a very good closure force and are extremely tight. The inlet return valve (15) is provided with a first sealing membrane (17) and the outlet return valve (30) is...
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WO/2002/095227A1 |
The aim of the invention is to guarantee a high level of impermeability with a low closing force for the sealing elements. To achieve this, the overflow channel (19) in the valve piston (9) opens into at least two passages (26, 27) and t...
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WO/2002/093010A2 |
The invention relates to a reciprocating piston motor, particularly a refrigerant compressor (1) for a motor vehicle air-conditioner. Said reciprocating piston motor comprises a motor shaft (2), a number of pistons (4), which are mounted...
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WO/2002/093011A1 |
The invention relates to a reciprocating engine, especially a refrigerating agent compressor (1) for the air conditioning system of a motor vehicle, comprising an engine shaft (2), several pistons (4) whose axles are arranged on a cylind...
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WO/2002/093009A2 |
A reciprocating piston machine comprising a machine shaft (2), several pistons (4) arranged around said machine shaft (2) in a circle, and an annular pivoting disk (5) which is driven by the machine shaft (2) and which engages with the p...
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WO2001046585A9 |
The invention relates to a piston arrangement for a dual-stage piston compressor, comprising a crankshaft and several cylinders which house the operating pistons. Said arrangement allows two or more low-pressure stages and at least one h...
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WO/2002/075172A1 |
A sliding material exhibiting excellent initial compatibility, excellent sliding characteristics even under severe sliding conditions, especially excellent frictional characteristics and wear resistance under fluid lubrication, boundary ...
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WO/2002/070866A1 |
An expansion machine for converting thermal energy and pressure energy of working medium into mechanical energy comprising a section, e.g. an axial piston cylinder group, working with working medium introduced into a working chamber, and...
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WO/2002/070865A1 |
A rotary hydraulic machine comprising a first working section (49) and a second working section (57) comprising an axial piston cylinder group, wherein a rotary valve (61) for controlling suction/discharge of working medium for the first...
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WO/2002/068822A1 |
The invention relates to a dry-running piston compressor, in particular for rail vehicles. Said compressor comprises a crankcase (3) for a crankshaft (15) that is rotatably mounted in said crankcase, the latter being provided with at lea...
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WO/2002/066832A1 |
A method of manufacturing a valve plate for compressor, comprising the steps of setting punch dies (43) having tip faces (42) formed in irregular shapes on a press (41) and pressing the punch dies (43) against the surface of the valve pl...
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WO/2002/066831A1 |
A compressor capable of damping vibration and noise resulting from a suction pulsation or a discharge pulsation with a simple structure, wherein a muffler space having a specified length in circumferential direction is formed in a rear h...
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WO/2002/064978A1 |
The invention relates to a piston for a compressor. Said piston comprises a skirt (3) by which means the piston can be guided in the housing in an axially displaceable manner, and a force introducing section (4) at which point an outer d...
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WO/2002/063193A2 |
A joint (2300) for positioning between first and second elements (2308) includes an outer member (2304) and an inner member (2306). The first and second elements (2308) are arranged for linear motion along a common axis. The outer member...
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WO/2002/063167A1 |
A method of manufacturing a compressor housing assembly including a drawn race bearing assembly. The method comprises the steps of: providing a housing body having a face surface; machining a shaft bore through the face surface; press fi...
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WO/2002/061280A1 |
A variable displacement type swash plate clutch-less compressor comprising: a shaft (5) borne rotatably in a housing; a swash plate (10) mounted in an inclinable manner on the shaft (5) so that it rotates integrally with the shaft (5); a...
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WO/2002/061279A1 |
The invention relates to a reciprocating piston machine, such as an air-conditioning compressor for motor vehicles, comprising a housing (1), with a rotating driven shaft (6) and a shaft sealing device, in particular a slip-ring seal, wi...
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WO/2002/057629A2 |
An axial piston fluid pumping apparatus is disclosed in which wobble pistons are rigidly connected to arms of a nutating plate that is rotatably mounted on a bearing which is mounted on a drive shaft. The axis of the bearing is at an acu...
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WO/2002/057628A1 |
A compression displacement controller of a refrigerating cycle, comprising a variable displacement compressor (10) for compressing refrigerant sucked from a suction chamber (3) connected to a suction line (1), discharging the refrigerant...
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WO/2002/055880A1 |
In a swash plate compressor, a shaft seal device (26) for sealing a clearance between a drive shaft (18) and a housing is received in a suction chamber (19). The drive shaft (18) is supported at the first end thereof by a first radial be...
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WO/2002/055879A1 |
A reciprocating refrigerant compressor, wherein suction ports (15) are divided into a plurality of holes (15a), (15b), and (15c) through ribs (61a), (61b), and (61c), whereby, though an excessive load to largely deflect suction valves (2...
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WO/2002/055878A1 |
A main stop recess (70) supporting the projection (21d) of a suction valve (21) in the suction stroke, and sub-stop recesses (71, 72) for supporting the lateral projections (21e, 21f) of the suction valve (21) in the suction stroke, are ...
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WO/2002/053913A1 |
A compressor capable of damping the suction pulsation or discharge pulsation thereof with a simple structure, wherein either of a suction chamber and a discharge chamber formed at the center of a rear head is allowed to communicate with ...
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WO2001011237A9 |
A hydraulic pump includes a housing, at least two pistons mounted to the housing to rotate relative to the housing, and a transition arm coupled to each of the pistons to rotate therewith. The transition arm is set at a predetermined ang...
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WO/2002/044564A1 |
The invention relates to a low-vibration, multi-stage, piston compressor, in particular for rail vehicles, with a low-pressure stage and at least one subsequent high-pressure stage, comprising essentially a rotational motion generating d...
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WO/2002/042666A1 |
A known rotary shaft seal (1) for providing a seal against fluid media at high pressure loses its sealing effect when the direction of the pressure difference is reversed, for example when the pressure container is evacuated. Introducing...
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WO/2002/042645A1 |
The invention relates to a compressor, especially for air-conditioning systems of motor vehicles, for compressing a coolant to which a lubricant is added for the purpose of lubricating the compressor turbine. The invention is characteriz...
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WO/2002/042643A1 |
The invention relates to a compressor, in particular for an air conditioning system in a motor vehicle. Said compressor comprises a compressor motor that can be rotationally driven by a shaft, said shaft being mounted in parts of the com...
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WO/2002/040866A1 |
A swash plate type compressor, comprising a cylinder block (1) having a plurality of cylinder bores (6) formed therein, a shaft supported rotatably on the cylinder block (1) at the center part thereof, a swash plate (10) rotated accordin...
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WO/2002/038959A1 |
The invention relates to a reciprocating piston engine comprising a swash plate (5), whose inclination with regard to the engine shaft (1) can be adjusted and which is driven by said engine shaft (1). To this end, the swash plate is conn...
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WO/2002/035094A1 |
A rotary slant shaft type gas compressor having a multi-stepped exhaust system is provided, which includes: a driving shaft (10) fixed with a cylinder head (13) formed with gas holes; a gas guide member (20) for intake of gas and dischar...
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WO/2002/032706A1 |
A power generation and an actuating system capable of, when an engine is operated, driving a rotary machine with a power from the engine to drive a motor generator for power generation and, when the engine is stopped, operating the motor...
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WO/2002/029250A1 |
A swash plate (15) of a wash plate type compressor, comprising slidable-contact films (32, 33) formed by sintering on slidable-contact surfaces (152, 153) with shoes (18) and made of an aluminum based material, whereby noise and dust can...
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WO/2002/029249A1 |
A swash plate (15) of a swash plate type compressor, comprising slidable-contact films (32, 33) having metal layers (321, 331) formed by sintering on slidable-contact surfaces (152, 153) with shoes (18) and resin layers (322, 332) formed...
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WO/2002/020987A1 |
Rotary fluid machinery capable of converting the reciprocating motions of pistons (41) and the rotating motion of a rotor (31) to each other by the engagement of rollers (59) with annular grooves (60), wherein a positive peak value of th...
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WO/2002/020989A1 |
A hybrid compressor, wherein a one-way clutch (23) is disposed between the output shaft (20) and the rotor (21) of a motor (5) when the motor is of a brushless outer rotor type so that, when the motor (5) is used as a drive source, the r...
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WO/2002/020986A1 |
Rotary fluid machinery, comprising pistons (37) fitted into and reciprocating in cylinders (33) provided in a rotor (27) and vanes (44) fitted into and reciprocating in vane grooves (43) provided in the rotor (27), wherein the rotor (27)...
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WO/2002/018787A1 |
The invention relates to a piston compressor comprising a one-piece crankshaft, whose mass is dynamically compensated. Said compressor substantially consists of several well-shaped cylinders (6a to 6c), arranged on a housing (3) for a cr...
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WO/2002/018788A1 |
The invention relates to a piston compressor, especially for rail vehicles, consisting essentially of a drive unit (2) producing a rotational movement (2), and a downstream compressor unit (1). Said compressor unit consists essentially o...
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WO/2002/018784A1 |
A cylinder is divided into two chambers by a wall to receive a pair of pistons. This reduces the stroke length and correspondingly reduces the linear speed of the piston. This leads to a reduced PV factor associated with degradation and ...
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WO/2002/012723A1 |
A dry vacuum pump consisting of at least two stages of pumping disposed in series, in which a rotor (20) contains two cylinder bores (20a, 20b) within which two piston assemblies (31) and (32) are caused to reciprocate by means of a cran...
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WO/2002/006671A1 |
A variable displacement swash plate type clutchless compressor, comprising a cylinder block (1) allowing a plurality of cylinder bores (6) to be formed therein, a shaft (5) supported rotatably on the cylinder block (1) at the center part...
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WO/2002/002941A1 |
The invention relates to a valve device for controlling the change of the stroke position of adjustable plate compressors such as wobble plate or swash plate compressors that have a variable displacement. In order to adjust the stroke of...
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WO/2002/002940A1 |
The invention relates to a safety device for limiting the pressure of a compressor that operates with variable stroke or variable displacement. The tilt of the wobble plate or the swash plate is varied at least by the difference between ...
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WO/2002/002942A1 |
The invention relates to a safety device for limiting the pressure of a compressor (32) that operates with variable stroke or variable displacement. The tilt of the wobble plate or the swash plate is varied at least by the difference bet...
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WO/2002/002939A1 |
The invention relates to an axial piston engine with a wobble plate (6) whose tilt can be adjusted and which is driven by a shaft. The axial piston engine further comprises reciprocating pistons (3) that are provided with an articulated ...
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WO/2001/098657A1 |
A reciprocating refrigerant compressor, comprising a cylinder block having a cylinder bore (6), a compression chamber formed in the cylinder bore (6), a cylinder head allowing an intake chamber for storing refrigerant gas sucked into the...
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WO/2001/094785A1 |
A variable displacement swash plate type compressor, comprising a thrust flange (40) fixed to a shaft (5) and rotated integrally with the shaft (5), a swash plate (10) connected to the thrust flange (40) through a link mechanism (42) and...
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WO/2001/090579A1 |
The invention relates to the machine building industry and can be used for reverse-running pulsation-free high-pressure pumps. The aim of the invention is to improve the operating characteristics of pumps of a similar variety ( and the m...
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