F04C 18 - Rotary-piston pumps specially adapted for elastic fluids

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
03/2013
03/27/2013	CN102996449A High-integrated automatic underwater roots blower
03/27/2013	CN102996448A Circulating water-cooled type roots blower
03/27/2013	CN102996447A Scroll machine
03/27/2013	CN102996446A Electromechanical double-acting vortex compressor
03/27/2013	CN102996445A Compressor and oil-cooling system
03/27/2013	CN102996444A Compressor and oil-cooling system
03/27/2013	CN102996443A Scroll compressor
03/27/2013	CN102159906B Refrigerating apparatus
03/27/2013	CN101000054B Rotating type compressor sliding vane controlling apparatus and controlling method and application thereof
03/21/2013	WO2013015575A3 Vane rotary compressor
03/21/2013	WO2012022732A3 Vacuum pump
03/21/2013	US20130071278 Scroll compressor
03/21/2013	US20130071277 Scroll compressor
03/20/2013	EP2570673A1 Electric vacuum pump for a vehicle
03/20/2013	CN202811357U Three-rotary-vane vacuum pump
03/20/2013	CN102985698A Scroll pump
03/20/2013	CN102985697A Scroll compressor
03/20/2013	CN102985696A Scroll compressor
03/20/2013	CN102979731A Rotor profile of double-screw vacuum pump, and designing method of rotor profile
03/20/2013	CN102979730A Roots pump
03/20/2013	CN101925744B 旋转式流体机械 Rotary fluid machine
03/19/2013	US8398388 Vane pump
03/19/2013	CA2683010C Portable generator and air compressor mounting arrangement
03/14/2013	WO2013036203A1 Revolving vane compressor
03/14/2013	US20130064705 Vane compressor
03/14/2013	US20130064703 Scroll compressor
03/14/2013	DE112011101773T5 Schraubenvakuumpumpe Screw vacuum pump
03/13/2013	EP2568180A1 Vane pump
03/13/2013	EP2567096A2 Screw vacuum pump
03/13/2013	CN202789552U Exhaust valve and compressor comprising same
03/13/2013	CN202789526U Double-air-cooling type Root's vacuum pump
03/13/2013	CN202789522U Direct connecting type screw rod compressor
03/13/2013	CN202789521U Air compressor body
03/13/2013	CN202789520U Helical-lobe compressor and slide valve thereof
03/13/2013	CN202789519U Vortex type motor compressor
03/13/2013	CN202789518U Eccentric disc fixed type anti-reverse-autorotation scroll compressor
03/13/2013	CN102971538A Vacuum pump
03/13/2013	CN102971537A 旋转式压缩机 Rotary compressor
03/13/2013	CN102971536A Supercharger timing gear oil pump
03/13/2013	CN102971535A Scroll fluid machine
03/13/2013	CN102966661A Drive shaft for compressor, compressor and drive shaft bending method
03/13/2013	CN102966543A Vane-type compressor
03/13/2013	CN102251964B 旋转压缩机 Rotary compressor
03/13/2013	CN102192149B Rotary compressor
03/13/2013	CN101936292B 压缩机 Compressor
03/13/2013	CN101688535B Multicylinder rotary type compressor, and refrigerating cycle apparatus
03/13/2013	CN101311537B Tapered rotor assemblies for a supercharger
03/07/2013	US20130058822 Screw Compressor
03/07/2013	DE10247668B4 Vakuumpumpe Vacuum pump
03/06/2013	EP2565460A1 Rotary compressor
03/06/2013	EP2565459A1 Rotary compressor
03/06/2013	EP2565458A1 Scroll compressor
03/06/2013	EP2565457A2 Vane-type compressor
03/06/2013	EP2565456A1 Screw compressor
03/06/2013	EP2565455A2 Scroll compressor having a shaft cover
03/06/2013	EP2564069A2 Scroll pump
03/06/2013	CN202768397U Compressor roller with function of reducing oil discharge quantity and rotary compressor adopting same
03/06/2013	CN202768396U Compressor with swinging rotor
03/06/2013	CN202768395U Scroll electric compressor
03/06/2013	CN102953993A Slide sheet of rotary compressor, rotary compressor, and air conditioner
03/06/2013	CN102953992A Scroll compressor with injection channel
03/06/2013	CN102953991A Totally-closed vortex-type compressor and assembling method thereof
03/06/2013	CN102953990A Full-closed vertical scroll compressor with motor placed over pump body
03/06/2013	CN102953989A Floating scroll compressor
03/06/2013	CN101929460B Horizontal arrangement type closed compressor
03/06/2013	CN101482117B Two-stage rotary compressor
03/06/2013	CN101451528B Roots-type blower reduced acoustic signature method and apparatus
03/05/2013	US8388328 Rotary pump and brake device in which rotary pump is provided
02/2013
02/28/2013	WO2013028015A2 Oil-free air compressor
02/28/2013	WO2012004579A3 Pump
02/28/2013	US20130052069 Scroll compressor
02/28/2013	US20130052068 Scroll compressor
02/28/2013	US20130047595 Air compression method and apparatus
02/27/2013	EP2562422A1 Rotary fluid machine
02/27/2013	CN202756244U Oil resistant sealed rotary vane pump
02/27/2013	CN202756243U Screw compressor
02/27/2013	CN202756242U Screw air compressor with working window
02/27/2013	CN202756241U Single-screw air compressor structure
02/27/2013	CN202756240U Single-screw air compressor
02/27/2013	CN102943759A Electric vacuum pump
02/27/2013	CN102943758A Complete shut-off minitype swing/rolling rotor compressor and application thereof
02/27/2013	CN102943757A Swinging rotor compressor
02/26/2013	CA2565352C Compressor
02/21/2013	WO2012122321A3 Bearing / gearing section for a pdm rotor / stator
02/21/2013	WO2012000066A3 Method for controlling a compressor element of a screw compressor
02/21/2013	WO2011151102A3 Gas pump with reduced noise generation
02/21/2013	WO2011069845A3 Rotary piston or screw rotor as hollow body made from a cold-rolled steel profile
02/21/2013	WO2011066817A3 Vacuum pump
02/20/2013	EP2559902A2 Compressor
02/20/2013	EP2558722A2 Device for damping sloshing of oil for a screw-type compressor
02/20/2013	CN102937094A Dry screw vacuum pump varying pitch screw
02/20/2013	CN102937093A Novel air compressor for locomotive
02/20/2013	CN102383921B Rotor engine and rotor unit thereof
02/20/2013	CN101424265B 涡旋式压缩机 Scroll compressor
02/14/2013	WO2013021545A1 Scroll member and scroll-type fluid machine
02/14/2013	US20130039792 Compressor
02/14/2013	US20130039791 Scroll pump
02/14/2013	US20130036762 Scroll type device including compressor and expander functions in a single scroll plate pair
02/14/2013	CA2843336A1 Scroll pump
02/13/2013	CN202732347U Vacuum pump used for processing teaseed oil

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