Patents
Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781)
08/2000
08/15/2000US6102668 Electromagnetic control valve
08/10/2000WO2000045988A1 A process for producing variable displacement compressor pistons having hollow piston bodies and integral actuator rods
08/10/2000CA2361533A1 A process for producing variable displacement compressor pistons having hollow piston bodies and integral actuator rods
08/09/2000EP1026398A2 Control valve for variable displacement compressors
08/09/2000EP1026397A2 Control valve in variable displacement compressor
08/08/2000US6099276 Variable displacement compressor improved in a lubrication mechanism thereof
08/08/2000US6099268 Pneumatic compressor system
08/08/2000US6098520 Swash plate compressor in which a swash plate has a sliding surface non-parallel to a reference surface thereof
08/08/2000US6098519 Fuel pump
08/08/2000US6098518 Piston with piston rod
08/03/2000DE10002332A1 Variable displacement compressor, for vehicle air conditioning,has control valve mechanism that controls piston stroke by setting connecting passage degree opening with valve body depending on pressure-sensitive part
08/02/2000EP1024286A2 Control valve for variable displacement compressor
08/02/2000EP1024285A2 Displacement control valve for variable displacement compressor
08/01/2000US6095761 Swash plate compressor
08/01/2000US6095030 Swash plate variable displacement compressor
08/01/2000CA2178875C Displacement controlling structure for clutchless variable displacement compressor
07/2000
07/26/2000EP1022463A2 Piston for fluid machines
07/26/2000EP1021642A1 Volumetric-displacement device having molded pistons and cylinders
07/26/2000CN1261129A Displacement compressor with control valve for declined volume
07/26/2000CN1054907C Apparatus for producing of fluidic pressure
07/25/2000US6092997 Compressor
07/25/2000US6092996 Compressor, particularly for an air conditioning system in a motor vehicle
07/25/2000CA2125233C Swash plate type compressor
07/20/2000DE19859062A1 Gasket between cylinder block and valve plate of carbon dioxide compressor, for air conditioning installation of road vehicle
07/19/2000EP1020693A2 Air conditioning systems
07/19/2000EP1020692A2 Air conditioning systems
07/19/2000EP1020641A2 Variable capacity type compressor with inclined capacity control valve
07/13/2000DE19962121A1 Gasket between cylinder block and valve plate of carbon dioxide compressor, for air conditioning installation of road vehicle
07/06/2000DE19961767A1 Control device for swash plate in compressor with variable displacement has swash plate loaded by displacement return spring to increase its angle of inclination relative to the drive shaft
07/05/2000CN1258815A Piston of compressor and method for glazing to piston
07/04/2000CA2184488C Lubrication method and lubrication controlling apparatus for clutchless compressor
06/2000
06/29/2000DE19962050A1 Discharge holes and suction holes for valve plate of refrigerant compressor used in automotive air-conditioning system
06/28/2000EP1014016A2 Air conditioning systems
06/22/2000WO2000036276A1 Low noise high efficiency positive displacement pump
06/21/2000EP1010771A1 Swash-plate of swash-plate type compressor
06/21/2000DE19960233A1 Inclined disk compressor with driven rotatable shaft has inclined disk connected to shaft to rotate with it, with piston and concave part facing disk and shoe with spherical convex part
06/21/2000DE19955103A1 Swash plate compressor with piston sliding in cylinder bore extending parallel to drive shaft, piston engaging with swash plate via bearing device
06/21/2000CN2383997Y Two-stage air compressor
06/20/2000US6077049 Double-headed piston type compressor
06/20/2000US6077047 Variable displacement compressor
06/20/2000US6076449 Variable displacement compressor
06/14/2000EP1008752A2 Compressor piston and method for coating piston
06/14/2000EP1008751A2 Compressor
06/14/2000EP1007847A2 Piston compressor for refrigerant, with thermal insulation
06/14/2000CN2382855Y Connector for multiple well machine pump
06/14/2000CA2292180A1 Swash-plate type compressor in which improvement is made as regards engagement mechanism of piston and shoe
06/13/2000US6074173 Variable displacement compressor in which a liquid refrigerant can be prevented from flowing into a crank chamber
06/13/2000CA2128416C High capacity getter pump
06/08/2000WO2000032933A1 Swash plate type variable displacement compressor
06/07/2000EP1006278A2 Seal for a compressor casing
05/2000
05/31/2000EP1004834A2 Air conditioning systems
05/31/2000EP1004770A2 Variable displacement compressor
05/31/2000EP1004769A2 Variable capacity swash plate type compressor
05/31/2000EP1004463A1 Dual mode control of a variable displacement refrigerant compressor of an automotive air conditioning system
05/30/2000US6068453 Reciprocating piston type refrigerant compressor
05/30/2000US6068452 Torque limiting mechanism
05/30/2000US6068265 Gasket for sealing a refrigerant compressor
05/25/2000WO2000029793A1 Piston compressor
05/25/2000DE19955554A1 Piston compressor, especially for coolant compression, has compression piston driven by drive that interacts with expansion piston so work of expansion is used to drive compressor piston
05/23/2000US6065943 Refrigerant compressor having improved drive power transmission unit
05/23/2000CA2196786C Compressor piston and piston type compressor
05/18/2000DE19954060A1 Compressor for vehicle air conditioning system, with cylinder block, front casing, shaft, axial pressure build-up and thrust bearing
05/17/2000EP1001230A2 Air conditioning systems
05/17/2000EP1001200A2 Solenoid operated valve
05/17/2000EP1001171A2 Variable displacement compressor
05/17/2000EP1001170A2 Variable displacement compressor
05/17/2000EP1001169A2 Variable capacity swash plate type compressor
05/17/2000EP1001168A2 Piston for swash plate compressor
05/16/2000US6062824 Control valve
05/16/2000US6062823 Control valve in variable displacement compressor
05/10/2000EP0999364A2 A shaft seal assembly including a drain passage
05/10/2000CN1252501A Shaft seal and its specific compressor
05/10/2000CN1252492A Dusai type compressor
05/09/2000US6059538 Control valve for variable displacement compressor
05/03/2000EP0997642A1 Control circuit for an electromagnetic coil with duty ratio adjustment for compensating power source voltage fluctuations
05/03/2000EP0997640A2 Variable displacement compressor
05/03/2000EP0997639A2 Variable displacement compressor
05/03/2000CN1251882A Compressor piston
05/02/2000US6056521 Two-cylinder air compressor
05/02/2000US6056517 Compressor for the air-conditioning system of a motor vehicle
05/02/2000US6056514 Variable-displacement compressor of a swash plate type, in which displacement of a drive shaft is suppressed
05/02/2000US6056513 Variable displacement compressor and method for controlling the same
04/2000
04/26/2000EP0995905A2 Piston for compressor
04/25/2000US6053081 Method for machining spherical recess in compresser piston
04/20/2000DE19949400A1 Inclined sliding compressor especially for coolant circuit in climate control systems of vehicles has cylinder block with central bore and several cylinder bores with rounded edges to reduce sliding resistance
04/20/2000DE19847159A1 Kompressor zur Erzeugung ölfreier Druckluft Compressor for generating oil-free compressed air
04/19/2000EP0994252A2 Compressor for the production of oil free air
04/19/2000EP0993976A2 Variable displacement compressor
04/18/2000US6050783 Reciprocating compressor in which a blowby gas can be returned into a suction chamber with a lubricating oil within a crank chamber kept at a sufficient level
04/13/2000DE19947347A1 Swash plate compressor with variable adjustment has drive shaft rotating swash plate and piston moved backwards and forwards by swash plate, drive shaft having first and second spaced apart
04/12/2000EP0992748A2 Air conditioning systems
04/12/2000EP0992747A2 Air conditioning systems
04/12/2000EP0992746A2 Air conditioning system
04/12/2000EP0992745A2 Air conditioning systems
04/12/2000EP0992684A2 Solenoid controlled valve and variable displacement compressor
04/12/2000EP0992683A1 Swash plate of swash plate compressor
04/12/2000EP0992682A2 Piston compressor
04/11/2000US6048178 Compressor
04/06/2000WO2000019096A1 Pneumatic compressor system
04/06/2000DE19937109A1 Druckbetätigtes Durchflußregelventil und Kältemittelverdichter in Verbindung mit dem Durchflußregelventil Pressure-operated flow control valve and refrigerant compressors in conjunction with the flow control valve
1 ... 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 ... 78