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 18 - Rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
09/2012
09/04/2012US8256403 Engine and supercharger
08/2012
08/30/2012WO2012114455A1 Scroll compressor
08/30/2012DE102010052186B4 Verdrängermaschine für kompressible Medien Displacement machine for compressible media
08/29/2012EP2492509A2 Compressor with at least one separation chamber
08/29/2012CN102650291A Multi-stage compression-type rotation compressor and compression-type rotation compressor
08/29/2012CN102650290A Screw compressor
08/29/2012CN102650289A Scroll compressor
08/29/2012CN102650288A Scroll compressor
08/29/2012CN102650287A Radial flexible floating structure with unidirectional spacing function for scroll compressor
08/29/2012CN101338749B Rotating slide vane compressor
08/29/2012CN101223364B Compresseur frigorifique a spirales
08/23/2012WO2012111863A1 Apparatus for fixing a dust seal of a scroll compressor
08/23/2012WO2012111561A1 Process for manufacturing casing, and vacuum pump
08/23/2012WO2011077230A3 Supercharger timing gear oil pump
08/23/2012DE102012202712A1 Dry twin-shaft rotary screw spindle compressor has working chamber at conveying gas inlet side whose volume is greater than that of working chamber at conveying gas outlet side, and spindle rotors having preset circumferential speed
08/23/2012DE102011012126A1 Control mechanism arrangement e.g. rotary valve, for internal control of liquid flow in rolling piston compressor, has annular surface sliders moved on shafts or axles for controlling flow of compressed medium
08/22/2012EP2326844B1 Screw compressor
08/22/2012CN202391738U Roots vacuum pump
08/22/2012CN202391736U Multi-cylinder rotary compressor and refrigeration circulation system thereof
08/22/2012CN202391735U Rotary type compressor
08/22/2012CN202391734U Single-cylinder double-sliding vane type rotary compressor
08/22/2012CN202391733U Double-roller gas compressor
08/22/2012CN102644598A Gear type air compressor
08/22/2012CN102644591A Coolant injection type rotary compressor
08/22/2012CN102080657B Enclosed rolling rotor compressor
08/22/2012CN101672276B Scroll compressor
08/22/2012CN101344084B Scroll compressor
08/22/2012CN101240799B Scroll machine
08/22/2012CN101210560B Gyration type compressor and air-conditioner with the same
08/21/2012US8246331 Scroll fluid machine with a pin shaft and groove for restricting rotation
08/21/2012CA2596603C Volumetric rotary machine with rotors having asymmetric profiles
08/16/2012WO2012109302A2 Lubricant control valve for a screw compressor
08/16/2012WO2011138318A3 Screw vacuum pump
08/16/2012US20120207639 Rotary compressor having gate axially movable with respect to rotor
08/16/2012CA2827100A1 Lubricant control valve for a screw compressor
08/15/2012EP2486240A2 Method for the axial positioning of bearings on a shaft journal.
08/15/2012CN202381341U Exhaust valve of compressor and exhaust valve of scroll compressor
08/15/2012CN202381335U Crank arm of scroll compressor
08/15/2012CN202381334U Scroll compressor
08/15/2012CN202381333U Scroll compressor for automobile air-conditioner to solve oil starvation of dynamic vortex-plate
08/15/2012CN202381332U Scroll compressor with rotation preventing mechanism
08/15/2012CN202381331U Scroll compressor
08/15/2012CN102635549A Design method for realizing dynamic balance of single-head uniform-pitch hollow screw rotor
08/15/2012CN102635409A Rotating machine
08/14/2012US8241022 Rotation-preventing member and scroll compressor
08/09/2012WO2012104934A1 Scroll expander, and refrigeration cycle with the scroll expander
08/09/2012WO2012080034A3 Vacuum pump
08/09/2012US20120201711 Method for the axial positioning of bearings on a shaft journal
08/09/2012US20120201709 Compressor
08/09/2012DE102012001485A1 Scrollkompressor mit drei Auslassventilen und einer Auslassdruckentnahme zur Gegendruckkammer Scroll compressor with three exhaust valves and a Auslassdruckentnahme the back pressure chamber
08/08/2012EP2484911A2 Method and equipment for controlling operating temperature of air compressor
08/08/2012EP2484910A1 Screw compressor
08/08/2012EP2484909A1 Scroll fluid machine
08/08/2012EP2484908A1 System for constructing rotary compressors and motors with dynamically variable volumetric displacement and compression rate
08/08/2012EP2483563A2 Rotary compressor
08/08/2012EP2483541A1 A supercharger with two intermeshing rotors and disc clutch
08/08/2012CN202370846U Cylinder for rotary compressor, rotary compressor and air conditioner
08/08/2012CN102628441A Vacuum pump
08/08/2012CN102628440A Scroll compressor with three discharge valves, and discharge pressure tap to back pressure chamber
08/08/2012CN102628439A Scroll wraps of scroll plates for scroll compressor and generation method of molded lines
08/08/2012CN101751498B Design method for synchronous gear of screw compressor
08/08/2012CN101328891B Dual rotors translation type rotary compressing device
08/08/2012CN101182845B Dry-type vacuum pump
08/07/2012US8235691 Dual displacement external gear pump
08/07/2012US8235690 Scroll compressor with improved oil separation from refrigerant gas
08/02/2012WO2012101696A1 Scroll compressor
08/02/2012US20120195782 System for construction of compressors and rotary engine, with volumetric displacement and compression rate dynamically variable
08/02/2012US20120195781 Compressor having capacity modulation system
08/02/2012DE112009003662T5 Kühlschrank-Kompressor in Spiralbauart Fridge-scroll compressor
08/01/2012EP2481929A1 Rotary pump
08/01/2012CN202360403U Improved roots vacuum unit
08/01/2012CN202360402U Roots vacuum pump
08/01/2012CN202360400U Improved Roots vacuum pump device
08/01/2012CN202360395U Rotary compressor
08/01/2012CN202360394U Oil injection compressor with three screw stems
08/01/2012CN202360393U Vortex compressor
08/01/2012CN202360392U Improved vortex vacuum pump
08/01/2012CN202360148U Star-rotating type rotating device using gate valve structure
08/01/2012CN102619755A Compressor and refrigerating cycle apparatus
08/01/2012CN102619754A Forced air cooling high-pressure Roots blower
08/01/2012CN101106295B Rotor, closed type compressor and refrigeration circulation device
07/2012
07/31/2012US8230836 Multi-cylinder reciprocating rotary engine
07/26/2012WO2011128362A3 Device for damping sloshing of oil for a screw-type compressor
07/26/2012WO2011110475A3 Screw-type compressor
07/26/2012US20120189479 Spherical expansion compressor adapted to variable working conditions
07/26/2012DE112009002029T5 Flügelzellen-Pumpenvorrichtung Vane pump device
07/26/2012DE102011009386A1 Positive displacement engine has sliding axial sealing elements that are provided transverse to axial seal surfaces of eccentric cam axles
07/25/2012EP2479435A1 Scroll compressor
07/25/2012CN202348678U Scroll compressor
07/25/2012CN202348677U Scroll compressor
07/25/2012CN202348675U Speed regulation device and screw rod compressor
07/25/2012CN202348671U Improved Roots vacuum pump
07/25/2012CN202348670U Improved air-cooled type roots vacuum pump
07/25/2012CN202348664U Vortex compressor
07/25/2012CN102612600A Rotary vane compressor
07/25/2012CN102606478A Rotary compressor
07/25/2012CN102606477A Rotor profile of screw compressor
07/25/2012CN102606215A Rotator with eccentric straight shaft and extension-type wheel blades
07/25/2012CN101825087B Double jet orifice enthalpy-rising rotary compressor and air-conditioning system using same
07/25/2012CN101818959B Refrigerating device and compressor
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