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)
04/1996
04/16/1996US5507151 Noise reduction in screw compressor-based refrigeration systems
04/11/1996DE4435502A1 Rolling piston compressor for different gases
04/10/1996EP0705981A1 Capacity and volume ratio control valve assembly
04/10/1996CN1120126A 旋转压缩机 Rotary compressor
04/10/1996CN1120125A Fluid compressor
04/10/1996CN1120123A Vortex compressor
04/09/1996US5505596 Scroll type compressor having drain oil tube with flexible and nonflexible portions
04/04/1996CA2159167A1 Capacity and volume ratio control valve assembly
04/03/1996CN1119706A 供水系统 Water supply system
04/03/1996CN1119705A Rotative compressor and refrigerator, refriging apparatus and air conditioner using same
04/03/1996CN1119704A Vortex compressor
04/02/1996US5503539 Scroll type compressor having a thrust bearing for the drive shaft
03/1996
03/28/1996WO1996009682A1 Electric motor, pump and an electric motor/pump unit
03/28/1996WO1996009681A1 Electric motor for a drive, especially for a pump
03/28/1996DE4433972A1 Elektromotor, Pumpe sowie ein Elektromotor/Pumpenaggregat Electric motor, pump and an electric motor / pump unit
03/28/1996DE4433970A1 Elektromotor für ein Triebwerk, insbesondere für eine Pumpe Electric motor for an engine, particularly for a pump
03/27/1996EP0703365A2 Screw compressor
03/20/1996EP0701662A1 Positive displacement machine with electronic motor synchronisation
03/20/1996CN1118842A Sealed compressor
03/20/1996CN1118841A Reversible rotary compressor and reversible refrigerating cycle
03/20/1996CN1031361C Encapsulated rotary compressor
03/20/1996CN1031359C Rotary vane gas compressors
03/20/1996CN1031358C Fluid compressor
03/19/1996US5499515 Rotary vane-type compressor
03/12/1996US5498143 Scroll compressor with flywheel
03/07/1996DE4091980C2 Scroll compressor
03/06/1996EP0699837A2 Reed valve with tapered leg and dual radius valve stop
03/06/1996EP0699276A1 Pumping process for operating a multi-phase screw pump and pump
03/06/1996CN1118183A Oscillating type rotary compressor
03/06/1996CN1118182A Rotary compressor
03/06/1996CN1118041A Rotative compressor
03/05/1996US5496162 Air-cooled vane-cell compressor
03/05/1996US5496160 Scroll compressor having a suction check valve
03/05/1996US5496158 Drive for scroll compressor
03/05/1996US5496157 Reverse rotation prevention for scroll compressors
03/05/1996US5496155 Rotary device having plural mounting orientations and fluid connections
03/05/1996US5495885 Method for making rotor counterweight insert apparatus
02/1996
02/28/1996EP0698738A2 Suction control valve for rotary compressors
02/28/1996EP0698737A1 Method of pumping very low temperature helium gas with a scroll pump
02/28/1996EP0698736A1 Scroll compressor capable of effectively cooling a motor
02/28/1996CN1117755A Swinging rotary compressor
02/28/1996CN1117572A Oil management system for screw compressor utilized in refrigeration system
02/27/1996US5494424 Single-stage vane compressor with water-cooled jacket
02/27/1996US5494422 Scroll type compressor having a discharge valve retainer with a back pressure port
02/27/1996US5494421 Scroll compressor having a gear oil pump accommodating reverse rotation
02/27/1996US5494412 For use in a refrigerating system
02/21/1996EP0697523A2 Screw fluid machine and screw gear used in the same
02/21/1996EP0697522A1 Scroll compressor
02/21/1996CN1117308A Swinging rotary compressor
02/21/1996CN1117119A Horizontal vortex compressor
02/20/1996US5492461 Separator vessel
02/15/1996DE4091997C2 Scroll compressor
02/15/1996DE4091978C2 Scroll compressor
02/14/1996CN1116690A Rotary compressor
02/13/1996US5490769 Variable capacity scroll type fluid displacement apparatus
02/13/1996CA2007108C Horizontal scroll compressor
02/07/1996EP0695871A1 Roots-type blowers
02/07/1996CN1116278A Rotary compressor with liquid injection
02/06/1996US5489198 Scroll machine sound attenuation
02/06/1996US5489195 Liquid ring pump having a sheet metal valve plate
02/01/1996WO1996002799A1 Refrigeration system and pump therefor
02/01/1996WO1996002761A1 Air cooling system for scroll compressors
02/01/1996CA2195016A1 Refrigeration system and pump therefor
01/1996
01/30/1996US5487654 Hermetic compressor with heat shield
01/30/1996CA2154709A1 Induction regulator valve for rotary compressors
01/25/1996DE4426761A1 Screw compressor of geared rotor design
01/18/1996DE4443387C1 Twin=step mechanical vacuum pump assembly
01/17/1996EP0692635A2 Multistage dry compressing vacuum pump and method for its operation
01/17/1996CN1030733C 旋转泵 Rotary pump
01/11/1996WO1996000852A1 Non-contact vane-type fluid displacement machine with lubricant separator and sump arrangement
01/11/1996WO1996000851A1 Oil level control device for a compressor
01/10/1996EP0691475A2 Fluid rotating apparatus
01/10/1996CN2217125Y Fully sealed automatic lubricating spiral type air compressor
01/09/1996US5482450 For handling a working fluid
01/04/1996WO1996000350A1 Horizontal scroll compressor
01/04/1996DE4421955A1 Valve for vacuum pump
01/03/1996EP0639242B1 Liquid ring machine
12/1995
12/28/1995WO1995035446A1 Rotary displacement compressor with liquid circulation system
12/26/1995US5478210 Multi-stage vacuum pump
12/20/1995EP0687816A1 Oscillating type rotary compressor
12/20/1995EP0584177B1 A rotary displacement compressor and a method for regulating a rotary displacement compressor
12/20/1995CN1113549A Scroll machine sound attenuation
12/20/1995CN1113548A Vortex hydraulic mechanism
12/20/1995CN1113547A Scroll machine with reverse rotation protection
12/19/1995US5476373 Reverse drive oil pump
12/19/1995US5476369 Rotor counterweight insert apparatus
12/14/1995DE19520757A1 Worm compressor for motor vehicle air conditioning unit
12/13/1995EP0686772A1 Rotary compressor----------------------------------------------
12/13/1995EP0630446B1 Oil-sealed vacuum pump
12/13/1995CN1113295A Oil shield
12/12/1995US5474434 Scroll-type compressor having radial scroll clearance during reverse rotation and improper assembly prevention
12/12/1995US5474431 Scroll machine having discharge port inserts
12/06/1995EP0685651A1 Scroll type fluid machine
12/06/1995EP0602143B1 Rotor for a screw rotor machine
12/05/1995US5472328 Scroll type compressor having an oil seal bearing for the drive shaft
11/1995
11/29/1995EP0684385A1 Pressure reducing device for a compressor
11/29/1995CN1112651A Scroll-type compressor and method of assembling the same
11/28/1995US5470214 Lubricating device for horizontal type hermetic compressor
11/28/1995US5469716 Scroll compressor with liquid injection
11/28/1995US5469713 Lubrication of refrigerant compressor bearings