Patents
Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781)
08/1998
08/12/1998EP0857530A1 Method for machining compressor piston
08/12/1998CN1190157A Variable displacement compressor, swash plate, and method for hardening swash plate
08/06/1998DE19802461A1 Coolant compressor
08/06/1998DE19756821A1 Hydraulic pump with accurate stroke control for fluids
08/05/1998EP0856663A2 Variable capacity swash plate compressor
08/05/1998EP0856662A2 Variable capacity swash plate compressor
08/05/1998CN1189581A Control vavle in variable displacement compressor
08/04/1998US5789038 Supporting mechanism for a wobble plate and method of making same
07/1998
07/30/1998WO1998032969A1 Variable displacement swash plate compressor having an improved swash plate supporting means
07/30/1998DE19801975A1 Control valve for gas flow in channel, being pressure dependent
07/29/1998EP0855506A2 Variable-displacement compressor
07/29/1998EP0855505A2 Variable displacement compressor
07/28/1998US5785503 Variable displacement compressor
07/28/1998US5785502 Control apparatus for variable displacement compressor
07/28/1998US5785150 Swash plate type axial piston pump including lubrication mechanism, and valve plate
07/28/1998US5784950 Single headed swash plate type compressor having a piston with an oil communication hole on a side of the piston remote from the cylinder bore and crank chamber
07/22/1998EP0854288A2 Control valve in variable displacement compressor and method of manufacture
07/22/1998EP0854287A2 Reciprocating compressor
07/22/1998EP0854286A2 Swash plate compressor
07/22/1998CN1188527A Positive-displacement rotary tilted plate type compressor with improved rotary tilted plate supporting device
07/22/1998CN1188219A Refrigeration system employing compressor for single or multi-stage operation with capacity control
07/21/1998US5782614 Reciprocating compressor in which gas is supplied to each of opposite ends of a suction chamber extending around a discharge chamber on a plane
07/21/1998US5782613 Piston type compressor with structure for reducing cylinder bore deformation
07/21/1998US5782316 For compressing refrigerant gas for an automobile air conditioning system
07/21/1998US5782219 Reciprocating engine with a wobble plate transmission
07/15/1998EP0853200A2 Clutch-driven gas compressor
07/15/1998EP0853199A2 Variable capacity swash plate compressor
07/15/1998EP0853198A2 Swash-plate compressor in which improvement is made as regards a connection mechanism between a piston and a swash plate
07/15/1998CN1187584A Double headed piston type compressor
07/15/1998CN1187583A Variable displacement compressor
07/14/1998US5779004 For a refrigeration system
07/09/1998WO1998029660A1 Structure for recovering leakage oil in compressor
07/09/1998WO1998029659A1 Variable compressor
07/09/1998WO1998029658A1 Variable displacement swash plate compressor
07/08/1998EP0852294A2 Variable capacity swash plate compressor and method of surface treatment of a swash plate thereof
07/08/1998CN1186913A Compressor for use in refrigeration system
07/01/1998EP0851159A1 Shaft sealing structure for a compressor
07/01/1998CN1186168A 变容量摆动板式压缩机 Variable capacity wobble plate compressor
07/01/1998CN1186167A Compressor
07/01/1998CN1186166A Swash plate type compressor
07/01/1998CN1186165A Closed type compressor
06/1998
06/30/1998US5772407 Reciprocating piston type compressor improved to distribute lubricating oil sufficiently during the starting phase of its operation
06/30/1998US5772406 Piston-type compressor with a lubricating system
06/30/1998US5771775 For restricting rotation of the piston in a compressor
06/25/1998DE19755241A1 Coolant compressor
06/24/1998EP0849470A2 Swash-plate compressor capable of insuring sufficient lubrication between a piston and a shoe slidably interposed between the piston and a swash plate
06/24/1998CN1185532A Variable conpacitance compressor
06/24/1998CN1185531A Variable conpacitance compressor
06/24/1998CN1185530A Air-tight compressor with suction-in silencer
06/24/1998CN1038868C Oblique plate type refrigeraing compressor
06/23/1998US5768974 Swash plate type compressor
06/23/1998US5768901 Refrigerating system employing a compressor for single or multi-stage operation with capacity control
06/18/1998DE19756031A1 Multistage vehicle conditioning coolant compressor
06/18/1998DE19755066A1 Swashplate compressor with variable throughput
06/18/1998DE19754612A1 Vehicle air conditioner displacement compressor
06/17/1998EP0848164A2 Control valve in variable displacement compressor
06/17/1998EP0848163A2 Swash-plate compressor having a thrust race with a radial flange insuring supply of a lubricating oil to a drive shaft bearing
06/17/1998EP0848162A2 Variable capacity swash plate compressor
06/17/1998EP0847491A1 Machine such as an internal combustion engine, pump or compressor
06/17/1998CN1184893A Piston type compressors and pistons
06/16/1998US5765996 Vibration preventing structure in swash plate type compressor
06/16/1998US5765464 Reciprocating pistons of piston-type compressor
06/10/1998CN1184207A Hydraulic system for driving axial piston type hydraulic motor
06/09/1998US5762476 Variable capacity single-headed piston refrigement compressor
06/04/1998WO1998023861A1 Gas compressor
06/04/1998CA2273016A1 Gas compressor
06/03/1998EP0845642A2 A refrigeration system employing a compressor for single or multi-stage operation with capacity control
06/03/1998EP0845593A1 Slant plate type compressor with variable capacity control mechanism
05/1998
05/28/1998DE19751736A1 Variable displacement compressor for vehicle air conditioning unit
05/27/1998EP0844394A2 Compressor housing, method of manufacture and assembly
05/27/1998EP0844393A1 Variable-displacement swash plate compressor
05/27/1998EP0844392A2 Variable displacement compressor
05/27/1998EP0844391A2 Automotive air conditioning compressor piston with eccentric anti rotation pad
05/27/1998EP0844390A1 Swash plate type compressor using swash plate made of highly wear-resistant material
05/27/1998EP0844389A1 Piston mechanism of fluid displacement apparatus
05/20/1998CN1182194A Variable capacity compressor
05/19/1998US5752809 Variable displacement compressor
05/19/1998US5752413 Reciprocating piston machine with a wobble plate gear
05/13/1998EP0840852A1 Fluid pumping apparatus
05/12/1998US5749712 Variable displacement swash plate type compressor
05/12/1998US5749710 Refrigerant compressor with rotation detecting means
05/05/1998CA2095740C Swash plate type compressor with variable displacement mechanism
04/1998
04/29/1998EP0838590A1 Reciprocating compressor
04/23/1998WO1998016738A1 Rotary type hydraulic transformer
04/21/1998US5741122 Variable displacement compressor having a spool with a coating layer
04/15/1998EP0836004A2 A compressor
04/14/1998US5737997 Cam plate supporting structure in a cam plate type compressor
04/01/1998CN1177680A Silencer mechanism for compressor
03/1998
03/31/1998US5733107 Lubricant oil separating mechanism for a compressor
03/31/1998US5733106 Suction muffler for a reciprocating compressor with external holes to reduce noise attenuation
03/25/1998CN1177061A Piston type compressor
03/25/1998CN1177060A Variable displacement compressor
03/25/1998CN1037870C Swash plate type compressor with variable displacement mechanism
03/24/1998US5730249 Fluid displacement apparatus with a lubricating mechanism driven by a wobble plate balancing weight
03/18/1998CN1176347A Rotation restricting device for compressor piston
03/12/1998DE19734472A1 Piston for compressors for motor vehicle air conditioner
03/12/1998DE19636274A1 Sliding bearing in e.g. hydraulic motor
03/05/1998DE19737480A1 Swashplate compressor
03/04/1998CN1174973A Cooling liquid circulation circuit with fluid flow controller
03/04/1998CN1174938A Positive-displacement compressor and assembling method
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