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)
03/2010
03/11/2010WO2010025800A2 Rotor for a pump
03/11/2010WO2010025799A2 Vacuum pump
03/11/2010WO2009155094A3 Compressor having capacity modulation system
03/11/2010US20100061873 Bi-directional converter between pressure and rotational force
03/11/2010US20100061871 Compressor slider, slider preform, scroll part, and compressor
03/11/2010DE102009040510A1 Rotor for e.g. vane-type pump, that produces vacuum in low pressure chamber of brake booster, has raised surface provided radially outside of coupling front surface of coupling element, where raised surface surrounds coupling element
03/10/2010EP2161454A2 Injectible two-stage rotary compressor
03/10/2010CN201420674Y Improved rotary vane vacuum pump
03/10/2010CN201420673Y Screw vacuum pump
03/10/2010CN201420672Y Automatic check valve used on Roots blower
03/10/2010CN101668951A 螺杆压缩机 Screw compressor
03/10/2010CN101668950A 真空泵 Vacuum pump
03/10/2010CN100593895C Automatic start type synchronous motor and compressor using said motor
03/09/2010US7674101 Sliding vane of rotors
03/04/2010WO2010024427A1 Scroll fluid machine
03/04/2010WO2010024409A1 Enclosed compressor, two-cylinder rotary compressor, and refrigerating cycle apparatus
03/04/2010WO2009155091A3 Compressor having capacity modulation system
03/04/2010US20100054978 Injectible two-stage compression rotary compressor
03/04/2010DE112008000928T5 Verfahren zur Montage eines Kältemaschinenkompressors A method of assembling a refrigeration compressor
03/04/2010DE102008044856A1 Turbo fan for fixed wing aircraft, giving thrust by accelerating air at ambient temperatures, uses rotating cylinders fitted with vanes rolling at a tangent against each other
03/03/2010EP2159424A1 Vane type vacuum pump
03/03/2010CN201416544Y Water-cool Roots blower bearing chamber
03/03/2010CN101660528A Scroll compressor
03/03/2010CN101660527A Low-pumping-speed oil free scroll vacuum pump
03/03/2010CN101660526A Flexible meshing pair of single screw compressor
03/03/2010CN100593083C Scroll compressor
03/02/2010US7670122 Gerotor pump
03/02/2010US7670120 Scroll-type refrigerant compressor having fluid communication between lubrication duct and return duct
03/02/2010US7670119 Multistage vacuum pump and a pumping installation including such a pump
03/02/2010US7669586 Vented gear drive assembly for a supercharger
02/2010
02/25/2010WO2010021491A1 Variable capacity type rotary compressor, cooling apparatus having the same, and method for driving the same
02/25/2010WO2010021019A1 Eccentric drive scroll fluid machine
02/25/2010WO2009148884A3 Screw compressor with asymmetric ports
02/25/2010WO2009121517A3 A rotary displacement pump with vanes, suitable for operating with scarce or absent lubrication
02/25/2010US20100047103 Integral Slide Valve Relief Valve
02/25/2010US20100047101 Scroll compressor with extended profile
02/25/2010DE102008039044A1 Compressor assembly for compressed-air supply to rail vehicle, has fluid circuit for cooling and lubricating water-injected screw compressor, and supplying water or mixture of water and oil-free additive as injection medium to compressor
02/25/2010DE102008036317A1 Schraubenverdichter Screw compressor
02/24/2010CN201412352Y Air intake valve of screw air compressor
02/24/2010CN201412348Y Sealing structure body on screw pump driving device
02/24/2010CN201412344Y Positioning and connecting device for fixed blade compressor
02/24/2010CN201412342Y Rotor component of static leaf blade compressor
02/24/2010CN201412335Y All-sealed roots oxygen increasing pump
02/24/2010CN201412334Y High-temperature resistant roots blower
02/24/2010CN201412333Y Scroll compressor
02/24/2010CN201412332Y Scroll compressor with inspiration buffering structure
02/24/2010CN201412331Y Single screw type air compressor
02/24/2010CN101657644A Vane type vacuum pump
02/24/2010CN101655093A Baffle structure of closed-type compressor
02/24/2010CN101655092A Compressor
02/24/2010CN101655091A Rotary compressor
02/24/2010CN101655090A Scroll compressor and designing method thereof
02/24/2010CN100591921C Motor-driven compressor with insulated connection part for power-supply
02/18/2010US20100040499 Screw pump rotors and ring seals for screw pump rotors
02/18/2010US20100040498 Rotor drive mechanism, eccentric shaft sealing structure, and pump apparatus
02/17/2010EP2154375A1 Scroll type fluid machine
02/17/2010EP2154370A1 Compressor and refrigeration device using the same
02/17/2010EP2154331A1 Fluid machine and refrigeration cycle device with the same
02/17/2010EP2154330A1 Refrigeration cycle device and fluid machine used therefor
02/17/2010CN201407177Y Hand-operated vacuum pump
02/17/2010CN201407176Y Scroll refrigeration compressor for freezing
02/16/2010US7661940 Rotor eccentrically installed in a cylinder of a rotary engine or compressor
02/16/2010US7661938 Linking element for connecting the two volutes of a scroll compressor
02/11/2010WO2010016692A2 Scroll fluid machine
02/11/2010WO2010016689A2 Scroll compressor with improved back pressure control function
02/11/2010US20100034682 Scroll compressor with two scrolls
02/11/2010DE202008012380U1 Vakuumpumpe Vacuum pump
02/11/2010DE102008036273A1 Rotationskolbenpumpe mit Taschen für Schmiermittel Rotary piston pump with pockets for lubricant
02/10/2010EP2151577A1 Scroll compressor
02/10/2010EP2151542A2 Rotating piston pump with pockets for lubricant
02/10/2010EP2151541A1 Expander-integrated compressor and refrigeration cycle device with the same
02/10/2010EP2150702A1 Variable displacement dual vane pump
02/10/2010EP2150701A1 Capacity modulated scroll compressor system and method
02/10/2010CN101644263A Sealed type compressor with rolling piston
02/10/2010CN101644262A Sealed type compressor without baffle
02/10/2010CN101644261A Novel multi-gyration compressor
02/09/2010US7658599 Rotary compressor with a filling member in the vane slot
02/04/2010WO2010013561A1 Non-lubricated screw compressor
02/04/2010WO2010013375A1 Rotary compressor
02/04/2010WO2010013351A1 Scroll fluid machine
02/04/2010WO2010012891A1 Method of creating a compressor shell ring
02/04/2010WO2010012570A2 Screw-type compressor
02/04/2010US20100028189 rotary pump with vanes
02/04/2010US20100024467 Scroll compressor and air conditioner
02/03/2010EP2149708A2 Scroll compressor with bypass ports driven by a line fed permanent magnet sychronous type motor.
02/03/2010EP2148989A2 Rotary blower with corrosion-resistant abradable coating
02/03/2010EP2148988A1 Compressor and oil supplying structure therefor
02/03/2010CN201396285Y Eccentric crankshaft structure for vortex compressor
02/03/2010CN201396282Y Novel subway sewage drainage vacuum unit assembly
02/03/2010CN201396281Y Multistage three-blade Roots vacuum pump
02/03/2010CN201396280Y Rotary vane vacuum pump
02/03/2010CN201396279Y Rotary vane vacuum pump
02/03/2010CN201395854Y Vacuum drainage system used in building
02/03/2010CN101639071A Variable displacement rotary compressor
02/03/2010CN101639070A Multi-stage variable speed composite rotary compressor
02/03/2010CN101639069A Vane type compressor
02/03/2010CN101639068A Oil-flooded screw compressor, motor drive system, and motor control device
02/03/2010CN101639067A Scroll fluid machine
02/03/2010CN101639066A Line fed permanent magnet synchronous type motor for scroll compressor with bypass ports
02/02/2010US7654098 Cooling system with variable capacity control
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