F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups

Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436)
01/1995
01/03/1995	US5378115 Swash plate type compressor
01/03/1995	US5377781 Oil pick-up device of compressor
01/03/1995	CA1333790C Oil-free screw compressor apparatus
12/1994
12/28/1994	EP0630515A1 Electromagnetically actuated compressor valve
12/28/1994	EP0588840B1 Apparatus for continuously cleaning the auxiliary or working liquid of a compressor
12/28/1994	CN1096856A Plate gas valve used in compressor
12/28/1994	CN1096855A Automatic controlled gas valve
12/28/1994	CN1096847A Noise suppressing apparatus for hermetic reciprocating compressor
12/27/1994	US5375986 Oil pump for a closed type compressor
12/22/1994	DE4421709A1 Axial-piston compressor and method for manufacturing it
12/21/1994	CN2185814Y Closed membrane of negative pressure air pump exhaust port
12/20/1994	US5374168 Reciprocating piston fluid pump
12/15/1994	DE4420680A1 Method of connecting a piston rod to other parts in a compressor
12/14/1994	EP0628724A1 Suction conduit assembly mounting
12/14/1994	CN1027006C Valve for a hermetic refrigeration compressor
12/13/1994	US5372483 Axial multi-piston type compressor having rotary valve for introducing fluid from suction chamber into cylinder bores
12/13/1994	CA2051712C Suction muffler tube
12/08/1994	WO1994028621A1 Piezoelectric driven flow modulator
12/08/1994	WO1994028308A1 Compressor
12/08/1994	WO1994028307A1 Compressor piston and outlet valve device
12/08/1994	WO1994028306A1 Compressor
12/07/1994	EP0627059A1 Silencer for compressed air
12/06/1994	US5370506 Piston type compressor with a rotary suction valve
12/06/1994	US5370504 Ambulant reciprocating compressor having plural pressure collection chambers
11/1994
11/30/1994	EP0626516A1 Two stage positive displacement pump
11/29/1994	CA1333275C Differential pressure sensor in a capacity control valve for a compressor
11/29/1994	CA1333274C Ring valve including a complex valve plate with individual annular plates
11/24/1994	WO1994027047A1 Discharge valve actuating system for hermetic compressors
11/24/1994	WO1994022064A3 Quieted air compressor
11/24/1994	WO1994021312A3 Portable medical vacuum aspiration device
11/23/1994	CN1026720C Integral oil separator and muffler
11/22/1994	US5366352 Thermostatic compressor suction inlet duct valve
11/17/1994	EP0624728A1 Spring check valve cartridge
11/15/1994	US5364237 Compressor assembly having a clutch triggered by a small compressor and actuated by discharge pressure
11/15/1994	US5364236 Pulse damper
11/15/1994	US5363674 Zero superheat refrigeration compression system
11/15/1994	CA2032042C Method for attaching a motor lead restraint device to a compressor pump
11/14/1994	CA2122672A1 Spring check valve cartridge
11/10/1994	WO1994025808A1 Zero superheat refrigeration compression system
11/10/1994	WO1994025807A1 Refrigeration compressor
11/10/1994	WO1994025768A1 Axial bearing for reciprocating hermetic compressors
11/10/1994	WO1994021932A3 Antifriction bearing
11/10/1994	CA2161792A1 Zero superheat refrigeration
11/09/1994	EP0491942B1 Annular support for a seal for a tilt piston
11/08/1994	CA2074584C Flexible suction valve retainer
11/08/1994	CA2023184C Single piece gasket valve plate assembly
11/08/1994	CA1332929C Slant plate type compressor
11/03/1994	DE4415088A1 Multi-piston cooling compressor
11/02/1994	CN1026431C Sealed type compressor
11/01/1994	US5360324 Reciprocating vacuum pumps
11/01/1994	US5360319 Compressor assembly having control valve for triggered pressure actuated clutch
10/1994
10/27/1994	WO1994024436A1 Cylinder for a reciprocating hermetic compressor
10/26/1994	CN1093978A Sound abatement in rotary compressors
10/25/1994	US5358388 Noise reduction at the second order frequency
10/25/1994	US5358386 Hermetic compressor
10/25/1994	CA2070699C Plate suction valve and method of manufacturing
10/20/1994	DE4412559A1 Gas ducting mechanism in a piston compressor
10/18/1994	US5355695 Refrigeration device using hydrofluorocarbon refrigerant
10/13/1994	WO1994023202A1 Reciprocating piston driving system
10/13/1994	DE4411926A1 Variable delivery swash plate compressor
10/13/1994	DE4411437A1 Axial piston compressor with turning valve
10/12/1994	EP0619000A1 Multiple axis rotary compressor
10/11/1994	US5355108 For actuating an external load
10/11/1994	US5354185 Dual piston compressor
10/05/1994	EP0618361A1 Method and apparatus for compressing a gas
10/05/1994	CN1026145C Oil reclaim system
10/04/1994	US5352101 Electromagnetically actuated compressor valve
09/1994
09/29/1994	WO1994022064A2 Quieted air compressor
09/29/1994	WO1994021932A2 Antifriction bearing
09/29/1994	WO1994021312A2 Portable medical vacuum aspiration device
09/28/1994	CN2178287Y Blowoof valve for improved structure air compressor
09/20/1994	US5348046 Spring check valve cartridge
09/20/1994	US5347915 Piston compressor for the oilfree compression of gases
09/20/1994	CA2031034C Self lubricating, two stage variable compressor
09/13/1994	US5346373 Refrigeration compressor having a spherical discharge valve
09/13/1994	US5345970 Virtual valve stop
09/13/1994	CA2011816C Cryogas pump
09/13/1994	CA1331976C Suction line connector for hermetic compressor
09/07/1994	EP0614009A1 Vacuum pumps
09/07/1994	CN1025880C Packing for PISTON and valve machine and a machine applying same
09/06/1994	US5344289 Deflection system for alien particles in a refrigeration motor compressor
09/06/1994	US5343777 Eccentric crank assembly for a reciprocating piston air compressor
08/1994
08/30/1994	US5342179 Compressor shock absorbing mount assembly
08/30/1994	US5342178 Coolant gas guiding mechanism in compressor
08/30/1994	US5341654 Suction gas conduit
08/30/1994	CA1331699C Refrigeration or heat pump installation
08/25/1994	DE4405689A1 Gas-conducting mechanism in a reciprocating compressor
08/24/1994	EP0611889A1 Plate valve in particular for compressor
08/24/1994	EP0611888A1 Manually actuated vacuumpump
08/24/1994	EP0611887A1 Fluid pressure generation apparatus
08/24/1994	EP0611428A1 Piston-articulating pin-connecting rod assembly for reciprocating hermetic compressors
08/24/1994	CN1091180A Crankshaft Lubrication system
08/23/1994	US5340275 Rotary throat cutoff device and method for reducing centrifugal fan noise
08/23/1994	US5339856 Valve retainer means, a method of forming the same, and a method of valve insertion therewith
08/23/1994	US5339652 Sound and vibration absorbing damper
08/23/1994	CA2040842C Normal direction heater for compressor crankcase heat
08/18/1994	WO1994018512A1 Starting arrangement for small refrigeration systems
08/16/1994	US5338167 Dry-running vacuum pump
08/16/1994	US5338166 Evacuation pump system for both rigid and flexible containers
08/16/1994	US5337779 Automatic drain device

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