Patents
Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
07/1985
07/02/1985US4526524 Vane compressor
07/02/1985US4526523 Oil pressure control system
06/1985
06/25/1985US4524638 Gear box for a compressor plant
06/12/1985EP0144169A2 Scroll type compressor with displacement adjusting mechanism
06/11/1985US4522575 Scroll machine using discharge pressure for axial sealing
06/11/1985US4522574 Balancing weight device for scroll-type fluid machine
06/05/1985EP0143526A2 Scroll compressor
06/04/1985US4521167 Low frictional loss rotary vane gas compressor having superior lubrication characteristics
06/04/1985CA1188278A1 Refrigerant compressor
06/04/1985CA1188277A1 Refrigerant compressor
05/1985
05/29/1985EP0142926A2 Positive displacement rotary compressors
05/29/1985EP0142606A2 Strainer device for rotary compressor
05/28/1985US4519755 For evacuating gases from a container
05/21/1985US4518330 Rotary compressor with heat exchanger
05/21/1985US4518324 Sealed type electrically operated compressor
05/14/1985US4517466 Vacuum pump
05/07/1985US4515540 Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio
05/07/1985US4515515 Compressor servomechanical regulator
05/07/1985US4515513 Rotary compressor with inner and outer cylinders and axial insert type discharge valves
05/07/1985CA1186665A1 Muffler system for refrigeration compressor
04/1985
04/30/1985US4514157 Rotary vane compressor
04/24/1985EP0138182A2 Liquid ring pump
04/23/1985US4512729 Drive bearing device for a fluid displacement apparatus
04/17/1985EP0137388A1 A sliding contact type ceramics article and a method for manufacturing the same
04/09/1985US4509906 Vane type rotary compressor having a wear resistant resin coating
04/09/1985US4509905 Compressor with extended area between suction port and suction groove
04/02/1985US4508495 Rotary shaft for compressor
03/1985
03/27/1985EP0135480A1 Roots-type rotary positive-displacement compressor
03/27/1985EP0135257A1 Supercharger rotor, shaft, and gear arrangement
03/27/1985EP0135256A1 Supercharger assembly and rotor phasing fixture
03/27/1985EP0135254A1 Rotary compressor
03/26/1985US4507065 Vane compressor having drive shaft journalled by roller bearings
03/20/1985EP0134638A1 Helical screw rotary compressor for air conditioning system
03/19/1985US4505656 Vane compressor, particularly a cooling medium compressor for use in air-conditioning equipment of a vehicle
03/19/1985CA1184307A1 Method and device for generating check bits protecting a data word
03/06/1985EP0133625A1 Scroll type compressor with lubricating system
03/05/1985US4502854 Vane compressor having rearwardly located suction connector and discharge connector
03/05/1985US4502852 Oil feeding device for scroll fluid apparatus
03/05/1985CA1183504A1 Sliding vane type rotary compressor
02/1985
02/12/1985US4498853 Vane-type compressor
02/05/1985CA1182084A1 Rotary compressor
01/1985
01/29/1985US4496293 Compressor of the scroll type
01/22/1985US4494917 Bearing structure for an air compressor
01/22/1985US4494560 Self-priming system for liquid pumps
01/15/1985US4493624 Lubricating oil-separating device in a refrigerant compressor for air conditioning systems
01/09/1985EP0130328A1 Scroll-type fluid displacement machine and composite scroll-type fluid displacement machine
01/08/1985US4492543 Orbiting member fluid displacement apparatus with rotation preventing mechanism
01/01/1985US4491094 Vacuum pump-radiator fan drive system
12/1984
12/27/1984EP0129004A1 Compressor unit
12/25/1984US4490102 Volumetric screw compressor
12/25/1984US4490100 Rotary vane-type compressor with discharge passage in rotor
12/18/1984US4488858 Compressor with radial inlet to screw-formed rotor
12/18/1984US4488855 Main bearing lubrication system for scroll machine
12/11/1984US4487562 Rotary vane type compressor
12/11/1984US4487561 Rotary piston compressor
12/11/1984US4487029 Air conditioning system for a vehicle
12/04/1984US4486158 Rotary vane compressor with suction port adjustment
11/1984
11/28/1984EP0126477A1 Rotor-shaft bearing apparatus for movable vane compressors
11/27/1984US4484869 Volumetric fluid compressor
11/27/1984US4484868 Vane compressor having improved cooling and lubrication of drive shaft-seal means and bearings
11/27/1984CA1178563A1 Oil equalization system for parallel connected compressors
11/20/1984US4483667 Vacuum pump and method of operating the same
10/1984
10/30/1984US4479763 Rotary compressor
10/30/1984CA1177038A1 Delivery valve assembly, especially for rotary compressors
10/25/1984WO1984004137A1 Compressor
10/24/1984EP0122722A1 Axial sealing device for a scroll type fluid displacement apparatus
10/23/1984US4478562 Oil lubrication of vacuum pump with pulsating oil feed
10/23/1984US4478054 Helical screw rotary compressor for air conditioning system having improved oil management
10/16/1984US4477233 Vertical axis hermetic helical screw rotary compressor with discharge gas oil mist eliminator and dual transfer tube manifold for supplying liquid refrigerant and refrigerant vapor to the compression area
10/09/1984US4475876 Oil purge system for cold weather shutdown of oil flooded screw compressor
10/09/1984US4475360 Refrigeration system incorporating scroll type compressor
09/1984
09/25/1984US4473343 Bearing device for scroll-type compressor
09/18/1984US4472122 Rolling piston type compressor
09/18/1984US4472121 Horizontal rotary compressor with oil forced by gas discharge into crankshaft bore
09/18/1984US4471804 Blade valves for compressors
09/11/1984US4470778 Scroll type fluid displacement apparatus with oil separating mechanism
09/11/1984US4470380 Charging and distributing device for two-stroke engine
08/1984
08/28/1984US4468180 Vane compressor having intermittent oil pressure to the vane back pressure chamber
08/21/1984US4466785 Clearance-controlling means comprising abradable layer and abrasive layer
08/14/1984US4465446 Radial and thrust bearing mountings providing independent loading
08/07/1984CA1172222A1 Compressor
07/1984
07/31/1984US4462769 Method at an oil-injected screw-compressor
07/17/1984US4460321 Axial clearance adjustment mechanism for scroll type fluid displacement apparatus
07/17/1984CA1171045A1 Rotary compressor
07/10/1984US4459091 Rotary vane pump
07/10/1984US4459090 Rotary type compressor for automotive air conditioners
07/03/1984US4457679 Vane pump with unilateral bearing
07/03/1984US4457675 Volumetric fluid compressor device
07/03/1984US4457671 Hermetic type rotary compressor with silencer means
07/03/1984CA1170233A1 Air pump with centrifugal filter
06/1984
06/26/1984US4456437 Refrigerant compressor
06/19/1984US4455129 Multi-vane type compressor
06/05/1984US4452575 Method and device for intermediate cooling in an oil-injected multi-stage screw compressor
05/1984
05/30/1984EP0109823A1 Rotary displacement machine
05/22/1984US4449895 Refrigerant compressor
05/22/1984CA1167812A1 Closed loop compressed gas system with oil mist lubricated screw compressor
05/22/1984CA1167655A1 Oil cooling apparatus for refrigeration screw compressor
05/08/1984US4447196 Rotary vane compressor with valve control of undervane pressure
05/02/1984EP0107409A1 Scroll type compressor with lubricating system
04/1984
04/18/1984EP0105315A1 Compressor of hermetical type.