Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
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)
12/1998
12/08/1998US5846062 Two stage screw type vacuum pump with motor in-between the stages
12/01/1998US5842846 Hermetic type compressor having an oil feed part
12/01/1998US5842845 Scroll compressor and method for manufacturing an oldham ring therefor
12/01/1998US5842844 Scroll type compressor with improved rotation preventing means
12/01/1998US5842843 Scroll fluid machine having a cooling passage inside the drive shaft
12/01/1998US5842842 Spiral compressor having an oil chamber in the rotor
12/01/1998US5842354 Climate controller for automobiles
12/01/1998US5842271 Apparatus for assembling an electric motor employing a casing body having low dimensional accuracy
11/1998
11/26/1998WO1998053182A1 Sub-sea pumping system and associated method
11/25/1998EP0879965A1 Connection piece connecting the housing of a drive unit to the housing of a compressor element
11/25/1998EP0879964A1 Positive displacement pump
11/25/1998CN1199674A Protecting device for car air conditioner
11/24/1998US5839472 Valve mechanism of a compressor
11/19/1998WO1998051931A1 Capacity control scroll compressor
11/19/1998WO1998051930A1 Capacity control scroll compressor
11/18/1998EP0878627A1 Compressor with at least one compressor stage and a moisture separator
11/18/1998EP0877895A1 A sub-sea pumping system and an associated method
11/18/1998CN1199145A Scroll type compressor
11/17/1998US5836754 Screw fluid machine and screw gear used in the same
11/17/1998US5836746 Vacuum pump having lubrication and cooling systems
11/17/1998CA2152454C Scroll compressor
11/11/1998CN1040683C 机械式压缩机 Mechanical compressor
11/05/1998DE19716549A1 Schraubenverdichter für stationäre oder mobile Kompressoren Screw compressors for stationary or mobile compressors
11/04/1998EP0741851B1 Refrigeration system and a method for regulating the refrigeration capacity of such a system
11/04/1998CN1198201A Rotary compressor
11/04/1998CN1197893A Scroll machine with discharge duct
11/03/1998US5829960 Suction inlet for rotary compressor
11/03/1998US5829959 Scroll compressor
11/03/1998US5829957 Screw fluid machine and screw gear used in the same
10/1998
10/29/1998WO1998048171A1 Screw-type compressor for a stationary or mobile compressor device
10/28/1998EP0874158A1 Vacuum pump with shaft seal
10/21/1998EP0872642A1 Scroll machine with discharge duct
10/21/1998EP0872640A1 A scroll-type compressor with a slider plate for smoothing the orbiting movement of a movable scroll
10/21/1998CN1196776A Scroll compressor
10/21/1998CN1196775A Scroll compressor
10/21/1998CN1196600A Compressor
10/20/1998US5823755 Rotary compressor with discharge chamber pressure relief groove
10/14/1998CN2294347Y Vertical, high pressure sealed type compressor
10/14/1998CN1196109A High-pressure dome type compressor
10/13/1998US5820357 Enclosed type rotary compressor
10/13/1998US5820354 Cascaded progressing cavity pump system
10/08/1998WO1998020259A3 Cascaded progressing cavity pump system
10/07/1998CN1195077A 旋转式压缩机 Rotary compressor
10/06/1998US5816055 Refrigeration system anad a method for regulating the refrigeration capacity of such a system
09/1998
09/30/1998EP0867618A1 Blow-off device of a compressor unit and moisture separator used thereby
09/29/1998US5814913 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor
09/24/1998DE19711510A1 Screw compressor
09/23/1998EP0866227A1 Volumetric blower with covers having a duct for connection to the delivery manifold
09/23/1998CN1193698A 涡旋式压缩机 Scroll compressor
09/22/1998US5810573 Scroll compressor having a baffle plate and oil passages in the orbiting scroll member
09/22/1998US5810572 Scroll compressor having an auxiliary bearing for the crankshaft
09/22/1998US5810566 Pulse damper or acoustic outlet piece for a compressor and compressor equipped therewith
09/16/1998EP0864754A1 Oil separator for compressors, scroll compressor using same, and method of manufacturing oil separator for compressors
09/16/1998CN1193080A Vortex compressor
09/15/1998US5807081 Combination valve for screw compressors
09/15/1998US5806336 Refrigeration apparatus and lubricating oil composition
09/15/1998US5806324 Variable capacity vapor compression cooling system
09/11/1998WO1998039571A1 Installation for compressing a gaseous medium or for creating a vacuum
09/09/1998EP0863313A1 Two stage scroll compressor
09/09/1998CN1192509A Scroll hydraulic machine
09/08/1998US5803723 Scroll fluid machine having surface coating layers on wraps thereof
09/08/1998US5803722 Rotating scroll compressor having a movable bearing member
09/08/1998US5803713 Multi-stage liquid ring vacuum pump-compressor
09/03/1998DE19711117C1 Anlage zum Verdichten eines gasförmigen Mediums oder zur Erzeugung eines Vakuum System for compressing a gaseous medium or to generate a vacuum
09/02/1998EP0861982A1 A scroll-type fluid displacement compression apparatus having a sliding plate thrust bearing
09/02/1998CN1191958A Combination valve for screw compressors
09/01/1998US5801467 Electric motor for a drive mechanism in particular, a pump
09/01/1998US5800151 Method of generating a transverse tooth profile of a screw rotor
09/01/1998US5800150 Hermetic compressor having vibration damping support
09/01/1998US5800149 Electrically-driven closed scroll compressor having means for minimizing an overturning moment to an orbiting scroll
09/01/1998US5800146 Liquid-ring gas pump with a silencing element in the discharge space
09/01/1998US5800142 Scroll compressor having a counterboring part communicating with an intermediate pressure chamber
09/01/1998US5800141 Scroll machine with reverse rotation protection
09/01/1998US5799497 Refrigerating apparatus
08/1998
08/26/1998EP0859914A1 Helical compressor
08/26/1998EP0859913A1 Radial compliance mechanism for co-rotating scroll apparatus
08/26/1998CN1191593A Oil-sealed vane-type rotary vacuum pump with oil pump
08/26/1998CN1191592A Oil-sealed vane-type rotary vacuum pump with oil feed
08/26/1998CN1191277A 旋转式压缩机 Rotary compressor
08/25/1998US5797980 Process and installation for the treatment of atomospheric air
08/18/1998US5795141 Scroll type compressor having anti-rotation pin members
08/18/1998US5795136 Encapsulated rotary screw air compressor
08/18/1998US5795135 Sub-sea pumping system and an associated method including pressure compensating arrangement for cooling and lubricating fluid
08/18/1998US5794915 Safety relief valve assembly for a fluid displacement apparatus
08/12/1998EP0857254A1 Transmission including a two-part clutch arrangement
08/11/1998US5791884 Scroll compressor with sealed terminal
08/11/1998US5791883 Compressor driver
08/05/1998CN1039445C Rotar piston compressor and sound abatement of it
08/04/1998US5788472 Hermetic rotary compressor with eccentric roller
08/04/1998CA2096686C Horizontal hermetic compressor
07/1998
07/29/1998EP0855518A2 Process and apparatus for controlling the inlet temperature of an air compressor
07/29/1998EP0855514A1 Liquid-injected screw compressor and filter
07/29/1998EP0855513A1 Scroll hydraulic machine with balancing means
07/29/1998EP0855509A1 Scroll hydraulic machine
07/28/1998US5785620 Drive assembly
07/28/1998US5785151 Compressor with improved oil pump and filter assembly
07/28/1998US5785149 Screw-type compressor
07/28/1998CA2080577C Rotary vane compressor with reduced pressure on the inner vane tips
07/24/1998CA2227563A1 An air compressor
07/22/1998EP0854290A1 Compressor with at least one compressor stage and a moisture separator
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