Patents
Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781)
09/1994
09/22/1994DE4408967A1 Swashplate compressor with variable displacement
09/21/1994EP0616128A1 Supporting mechanism for a wobble plate and method of making same
08/1994
08/30/1994US5342178 Coolant gas guiding mechanism in compressor
08/30/1994CA1331752C Variable displacement type compressor
08/25/1994DE4405689A1 Gas-conducting mechanism in a reciprocating compressor
08/24/1994EP0611887A1 Fluid pressure generation apparatus
08/18/1994DE4404637A1 Axial bearing construction of a swashplate compressor
08/16/1994CA1331455C Wobble plate type compressor with variable displacement mechanism
08/12/1994WO1994028305A1 Reciprocating type compressor
08/11/1994DE4404100A1 Cooling gas ducting mechanism in a piston compressor
08/09/1994US5336056 Variable capacity swash plate type refrigerant compressor having a double fulcrum hinge mechanism
08/09/1994CA1331370C Slant plate type compressor with variable displacement mechanism
08/09/1994CA1331369C Slant plate type compressor with variable displacement mechanism
07/1994
07/26/1994US5332365 Slant plate type compressor with variable capacity control mechanism
07/26/1994CA1330978C Wobble plate compressor with suction-discharge differential pressure control of displacement
07/21/1994WO1994016225A1 Control valve for a variable displacement refrigerant compressor
07/05/1994US5326231 Gas compressor construction and assembly
06/1994
06/30/1994DE4339376A1 Coolant gas piston compressor with rotary suction valve - which co-rotates with drive shaft, has outer peripheral wall, and opposite end sections
06/29/1994CN1088662A Apparatus for producing of fluidic pressure
06/16/1994DE4342318A1 Whirling-disc compressor for vehicle air-conditioning unit - has valve opened by electromagnetic clutch and closed on de-excitation so that pressure in whirling-disc chamber rises on account of connection to exhaust chamber
06/07/1994US5318410 Variable displacement compressor
06/01/1994EP0599642A1 Piston type refrigerant compressor
05/1994
05/31/1994US5316447 Axial multi-piston type compressor having movable discharge valve assembly
05/31/1994US5316446 Variable capacity wobbling swash plate type compressing apparatus
05/26/1994WO1994011636A1 Rocking swash plate type variable capacity compressor
05/26/1994WO1994011635A1 Piston type compressor
05/17/1994CA1329578C Twist coil spring biased wobble plate compressor
05/11/1994WO1994010444A1 Multiple axis rotary compressor
05/11/1994DE4333408A1 Variable stroke compressor for car air-conditioning system - has wobble plate for pistons driven by ball-jointed links from driving plate on shaft
05/11/1994CA2129971A1 Multiple axis rotary compressor
04/1994
04/20/1994CN1024293C Closed compression engine
04/20/1994CN1024292C Refrigerant compressor
04/19/1994US5304043 Multiple axis rotary compressor
04/19/1994US5304042 Variable displacement compressor
04/12/1994CA1328435C Wobble plate type compressor
04/07/1994DE4333634A1 Axial piston swash plate compressor for vehicle - uses valve control to convey residual gas at high and at low pressures
04/07/1994DE4333633A1 Axial piston swash plate compressor for vehicle air conditioning - uses rotary valve with groove to convey residual gas between cylinders
04/07/1994DE4333144A1 Swash plate refrigerant compressor - has sealing grooves and seals creating gas tight seal at rotary valve interface and has channelled cylinder block providing connection between central bore and cylinder bores
04/07/1994DE4333143A1 Swash plate refrigerant compressor for vehicle - has series of gas conducting grooves to trap part of compressed fluid
04/05/1994US5299918 Bearing for compressor drive shaft
03/1994
03/16/1994EP0587023A1 Variable displacement piston type compressor
03/15/1994US5293810 Variable displacement compressor
03/09/1994EP0585609A1 Hydrostatic machine with axial thrust balancing
03/08/1994US5292233 Variable capacity swash plate type compressor
03/03/1994DE4327948A1 Guide mechanism for piston of reciprocating compressor - has oil transfer section moving with piston, to transfer oil from cooling medium gas
03/03/1994DE4326520A1 Swashplate compressor for air conditioner - has cylinder block with swashplate chamber, and drive shaft bearings lubricated by oil in cooling medium gas flow
03/03/1994DE4326519A1 Compressor assembly using swashplate - has cylinder block with chamber, which holds swashplate and compressor suction chamber, has cylinder bores with double-acting pistons
02/1994
02/24/1994DE4328114A1 Variable capacity swashplate compressor - has hinge device with support arm, main guide pin and auxiliary guide pin
02/24/1994DE4326366A1 Compressor of swashplate type - has double head piston moved forwards and backwards in cylinder bores and mounted on rotary shaft-fitted swashplate
02/23/1994CN1082668A Improved high-capacity getter pump
02/22/1994CA2014653C Control apparatus used for a refrigerant circuit having a compressor with a variable displacement mechanism
02/17/1994WO1994003726A1 Fluid pressure generation apparatus
02/16/1994CN1082150A Swash plate type compressor with variable displacement mechanism
02/16/1994CN1023829C Wobble plate type compressor with variable displacement mechanism
02/15/1994US5286173 Coolant gas guiding mechanism in swash plate type compressor
02/15/1994US5286172 Slant plate type compressor with variable capacity control mechanism
02/10/1994DE4326408A1 Axial piston compressor for air conditioning system - uses rotary slider to feed fluid into cylinder bores during suction strokes
02/10/1994DE4326407A1 Axial piston compressor for air conditioning system - has rotary slider elements mounted on hollow drive shaft
02/10/1994DE4326323A1 Axial piston compressor for air conditioning system - uses centering device to align drive shaft with cylinder block
02/09/1994EP0581974A1 Slant plate type refrigerant compressor with variable displacement mechanism
02/03/1994WO1994002957A1 High capacity getter pump
02/03/1994DE4322447A1 Swash plate compressor with sliding block - uses profiled peg to support ring-shaped plate mounted on drive shaft
02/01/1994US5282725 Slant plate type compressor with variable displacement mechanism
02/01/1994US5282329 Solenoid type control valve
01/1994
01/26/1994CN1081235A Slant plate type refrigerant compressor with variable displacement mechanism
01/25/1994US5280745 Radial-pluger-type apparatus with variable plunger stroke
01/25/1994CA1326475C Slant plate type compressor with variable displacement mechanism
01/18/1994US5279209 Rotary machine
01/11/1994US5277552 Slant plate type compressor with variable displacement mechanism
01/05/1994CN1023421C Wobble plate type compressor
01/04/1994US5275087 Wobble plate type refrigerant compressor
12/1993
12/23/1993DE4319017A1 Swashplate compressor for vehicle air conditioning system - uses dividing plate with series of holes to minimise pulsation effect
12/16/1993DE4319097A1 Adjustable displacement swashplate compressor - uses magnetic displacement detector with detector wires placed along path traversed by magnet
12/15/1993CN1079536A Energy-saving compressor
12/09/1993DE4318635A1 Axial piston compressor with lubricator for shaft seal - has whirling-disc chamber connected to seal by curved lubrication groove and duct in wall of housing
12/08/1993CN2148832Y Air-compressor
12/07/1993US5267839 Reciprocatory piston type compressor with a rotary valve
11/1993
11/18/1993EP0569958A1 Swash plate type refrigerant compressor
11/17/1993CN2146581Y Piston-type compressor
11/16/1993CA1324361C Variable displacement compressor with biased inclined member
11/10/1993EP0568944A1 Swash plate type compressor with variable displacement mechanism
11/10/1993CN2145878Y Rotating reciprocatable piston pump
11/09/1993US5259736 Swash plate type compressor with swash plate hinge coupling mechanism
10/1993
10/26/1993US5255569 Slant plate type compressor with variable displacement mechanism
10/14/1993DE4311688A1 Compressor with variable displacement - has link mechanism, with stud, to turn swashplate dependent upon drive shaft rotation
10/12/1993US5252032 Variable capacity swash plate type compressor
10/06/1993CN1077002A Wobble plate type refrigerant compressor
10/05/1993US5249939 Valved discharge mechanism of a refrigerant compressor
09/1993
09/29/1993CN2142892Y Inner-cooled radiating-type straight-lobe compressor
09/29/1993CN1076764A Slant plate type compressor with variable capacity control mechanism
09/14/1993US5244355 Swash plate type compressor
09/07/1993US5242287 Axial flow fluid compressor
09/07/1993US5242276 Multicylinder compressor
09/07/1993US5242275 Slant plate type refrigerant compressor with variable displacement mechanism
09/07/1993US5242274 Slant plate type compressor with variable displacement mechanism
09/01/1993CN1075778A Swash plate type compressor with variable displacement mechanism
08/1993
08/31/1993US5240385 Variable displacement wobble plate type compressor
08/31/1993US5239913 Slant plate type compressor
08/24/1993US5237907 Radial piston machine having working fluid passing through the crankcase
08/17/1993US5236312 Cylinder block assembly
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