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)
11/1997
11/06/1997DE19714894A1 Non-return outlet valve for compressor
11/06/1997DE19711448A1 Cell compressor for air conditioning in cars
11/06/1997DE19710419A1 Vane type compressor for e.g. air conditioner used in motor vehicle
11/06/1997DE19710418A1 Vane type compressor for e.g. air conditioner used in motor vehicle
11/05/1997CN1163991A Scroll compressor
11/04/1997US5683237 Horizontal type scroll compressor having inlet ports at an upper level of the casing
11/04/1997US5683236 Anti-reverse rotation valve for scroll compressor
11/04/1997US5683229 Hermetically sealed pump for a refrigeration system
11/04/1997US5682793 Engaged rotor
10/1997
10/29/1997CN1036290C Engagement type rotor
10/28/1997US5681155 Scroll type compressor having an elastic body in the driven crank mechanism
10/21/1997US5678987 Rotary screw compressor with variable thrust balancing means
10/21/1997US5678986 Fluid displacement apparatus with lubricating mechanism
10/21/1997US5678657 Lubricating device for rotary compressors
10/21/1997US5678299 Method for assembling an enclosed motor compressor of a two cylinder type using integral structures
10/15/1997EP0800622A1 Compressor installation
10/14/1997US5676535 Enhanced rotary compressor valve port entrance
10/08/1997EP0799382A1 Liquid ring gas pump with a silencer in the pressure chamber
10/08/1997CN1161415A Vortex compressor
10/08/1997CN1036087C Compressor with internal filter
10/07/1997US5674063 Screw fluid machine and screw gear used in the same
10/07/1997US5674062 Hermetic compressor with heat shield
10/07/1997US5674061 Scroll compression having a discharge muffler chamber
10/07/1997US5674058 Scroll-type refrigerant compressor
10/07/1997US5674051 Positive displacement pump having synchronously rotated non-circular rotors
10/07/1997CA2042975C Scroll type fluid displacement apparatus
10/01/1997EP0798465A1 Refrigerant compressor
10/01/1997EP0798464A1 Process and plant for treating atmospheric air
10/01/1997EP0798463A2 Oil-free scroll vacuum pump
10/01/1997CN2263724Y Gear pump
09/1997
09/30/1997US5672054 Rotary compressor with reduced lubrication sensitivity
09/30/1997US5672052 Blower muffling apparatus
09/30/1997CA2081411C Motor driven fluid compressor
09/27/1997CA2201045A1 Atmospheric air treatment installation and procedure
09/25/1997WO1997035112A1 Anti-reverse rotation valve for scroll compressor
09/24/1997CN1160127A Counterweight drag eliminator
09/23/1997US5669762 Sound and pulsation reducing outlet chamber for an air compressor
09/17/1997EP0701662B1 Positive displacement machine with electronic motor synchronisation
09/16/1997US5667372 Rolling piston rotary compressor formed with lubrication grooves
09/16/1997US5667371 Scroll machine with muffler assembly
09/16/1997US5667367 Air compressor
09/10/1997CN1158944A Eddy gas compressor with by-pass valve
09/10/1997CN1035837C Liquid ring gas pump
09/03/1997EP0793021A1 Vacuum pumps
09/03/1997EP0793020A1 Vane type compressor
09/02/1997US5662463 Rotary screw compressor having a pressure bearing arrangement
09/02/1997US5661894 Method for assembling an electric motor employing a casing body having low dimensional accuracy
08/1997
08/28/1997WO1997031188A1 Inverter-controlled sealed compressor
08/26/1997US5660539 Scroll compressor
08/26/1997US5660535 Method of operating a claw-type vacuum pump and a claw-type vacuum pump suitable for carrying out the method
08/26/1997US5660531 Gear pump with minimized canitation
08/26/1997CA2091391C Horizontal rotary compressor oiling system
08/20/1997CN1157375A Enclosed type rotary compressor
08/19/1997CA2081433C Method for assembling motor driven fluid compressor
08/13/1997EP0788402A1 An arrangement in autoclaving systems
08/13/1997EP0653017B1 Arrangement of internal combustion engines provided with a supercharger and a fuel injection system
08/12/1997US5655844 Rolling bearing unit
08/06/1997CN1156218A Storage for rotary compressor
08/06/1997CN1156217A Sealed compressor
08/05/1997US5653585 Apparatus and methods for cooling and sealing rotary helical screw compressors
07/1997
07/30/1997EP0642629B1 Lubrication regulation system
07/29/1997US5651930 Composite fiber rotor vane
07/29/1997US5651301 Hydrostatic piston machines
07/24/1997DE19702097A1 Cooling system for electric car
07/23/1997EP0633980B1 Scroll machine with overheating protection
07/22/1997US5649817 Scroll type fluid machine having first and second bearings for the driving shaft
07/22/1997US5649816 Hermetic compressor with heat shield
07/16/1997EP0784173A2 Safety relief valve assembly for a fluid displacement apparatus
07/16/1997CN1154444A Electrical component protection device
07/15/1997US5647728 Liquid ring machine having pivoted outer housing
07/10/1997WO1997024415A1 Refrigerating machine oil and refrigerator using same
07/09/1997EP0711387B1 Vacuum pump with a gas ballast device
07/09/1997CN1153870A Enhanced rotary compressor valve port entrance
07/08/1997US5645408 In a gamma camera system
07/02/1997CN2257334Y Double volute multi-stage pump water intake section
07/02/1997CN1153258A Closed compressor
06/1997
06/24/1997US5641279 Swing type rotary compressors having a cut-off portion on the roller
06/24/1997US5640854 Scroll machine having liquid injection controlled by internal valve
06/18/1997CN1152080A Anti-rotation mechanism for vortex volume-variable machine
06/12/1997WO1997021055A1 A sub-sea pumping system and an associated method
06/12/1997WO1997021033A1 Rotary compressor with reduced lubrication sensitivity
06/11/1997EP0778451A2 Motor cooling in a refrigeration system
06/11/1997CN1151486A Cooling device for oil-sealed rotary vacuum pump
06/11/1997CN1151485A Whirl compressor and its prodn. method
06/05/1997DE19546217A1 Screw compressor with liquid injection
06/04/1997EP0777053A1 Scroll fluid machine
06/04/1997EP0777051A2 Scroll compressor
06/04/1997CN1150997A Positive displacement type vortex fluid compression device with sliding plane thrust bearing
06/03/1997US5634782 Scroll compressor having a horseshoe-shaped partition wall on the stationary end plate
05/1997
05/29/1997WO1997019269A1 A scroll-type fluid displacement compression apparatus having a sliding plate thrust bearing
05/28/1997DE19543879A1 Screw compressor with liquid injection
05/28/1997CN1150621A Lubricant oil separating mechanism for compressor
05/27/1997US5632613 Lubricating device for horizontal type hermetic compressor
05/27/1997US5632612 Scroll compressor having a tip seal
05/21/1997EP0774581A1 Pulse damper or acoustic outlet piece for a compressor and compressor equipped therewith
05/21/1997EP0714482B1 Vacuum pump with oil separator
05/21/1997CN1034968C Horizontal rotary compressor
05/20/1997US5630712 Electrically-driven closed scroll compressor having means for minimizing an overturning moment to an orbiting scroll
05/20/1997CA2045332C Compressor
05/15/1997WO1997017545A1 Helical compressor