Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
10/2010
10/06/2010CN101852199A Composite vacuum pump
10/06/2010CN101326369B Roots pump and fuel cell system
10/05/2010US7806672 Rotary compressor with pressing mechanism and adjusting mechanism to vary a magnitude of a load in response to a pressure difference between the suction fluid and discharge fluid
09/2010
09/30/2010WO2010111134A2 Shaft bearings, compressor with same, and methods
09/30/2010WO2010109839A1 Single screw compressor
09/30/2010WO2010108236A1 A compressor
09/30/2010WO2010070227A3 Scroll-type refrigerator compressor
09/30/2010US20100247366 Screw compressor
09/30/2010US20100247361 Compressor
09/30/2010US20100242531 Multi-stage rotary-type fluid machine and refrigeration cycle apparatus
09/29/2010EP2233743A1 Screw compressor
09/29/2010EP2233742A2 Multistage rotary compressor and refrigeration circuit system
09/29/2010CN201593502U Novel screw compressor
09/29/2010CN1829862B 涡旋式压缩机 Scroll compressor
09/29/2010CN1601106B 涡旋机械 Scroll Machinery
09/29/2010CN101849108A Compressor sealing arrangement
09/29/2010CN101846080A Improved vent hole of scroll compressor
09/29/2010CN101846077A Single-screw compressor
09/29/2010CN101846076A Single-screw rod compressor
09/29/2010CN101846075A Screw compressor
09/29/2010CN101846074A Scroll compressor
09/29/2010CN101435425B Novel tooth form of screw rod rotor of double-screw compressor
09/29/2010CN101294565B Scroll compressor with stop structure to preventing sliding block moving
09/29/2010CN101230859B Rotary type compressor and refrigeration circulating device having the same
09/29/2010CN101187375B Horizontal type compressor and automobile air conditioner equipped with the same
09/29/2010CN101144475B Supercharger with housing internal noise attenuation
09/23/2010WO2010106787A1 Screw compressor
09/23/2010US20100239447 Shaft Bearings, Compressor with Same, and Methods
09/23/2010US20100239440 Vacuum Pump
09/22/2010EP2229535A2 Open drive scroll compressor with lubrication system
09/22/2010CN201590695U Scroll compressor and motor rotor thereof
09/22/2010CN201588782U Small-sized single-stage rotary vane type vacuum pump
09/22/2010CN201588781U Compressor
09/22/2010CN201588780U Integral switched reluctance electric scroll compressor assembly for vehicle air conditioning
09/22/2010CN201588762U Screw compression and piston compression tandem-type air compressor
09/22/2010CN1904370B Multisection rotating type compressor
09/22/2010CN101842596A 2 stage rotary compressor
09/22/2010CN101839240A Rotor compressor with flexibly-changed blade backpressure
09/22/2010CN101839239A Digital rotor type compressor
09/22/2010CN101839238A Rotation type compressor
09/22/2010CN101839237A Scroll fluid machine
09/22/2010CN101191486B Rotary compressor, control method thereof, and air conditioner using the same
09/21/2010US7798794 Screw pump and screw rotor
09/21/2010US7798787 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method
09/21/2010CA2514823C Gear pump
09/16/2010WO2010105007A2 Powder metal scrolls and sinter-brazing methods for making the same
09/16/2010WO2010104582A2 Compressor having bearing assembly
09/16/2010US20100232991 Electric compressor
09/16/2010US20100229595 Compressor and refrigerating apparatus
09/15/2010EP2228537A1 Single screw compressor
09/15/2010CN201584850U Mine flame-proof excitation generator with vacuum pump
09/15/2010CN201582117U Rolling rotor type compressor
09/15/2010CN201582116U Scroll compressor for improving oil supply for cross pin ring
09/15/2010CN201582115U Novel scroll compressor
09/15/2010CN101835988A 2 stage rotary compressor
09/15/2010CN101835987A 2 stage rotary compressor
09/15/2010CN101832267A Energy-saving single-screw compressor
09/15/2010CN101832266A Efficient scroll compressor
09/15/2010CN101324235B Constant low-temperature cooling oil-free vortex air compressor
09/14/2010US7794218 Roots type pump and fuel cell system
09/14/2010US7793635 Rotary piston type internal combustion engine
09/14/2010CA2636006C Rotor assembly for rotary compressor
09/09/2010DE112006003112B4 Pumpe vom Roots-Typ und Brennstoffzellensystem Roots type pump and fuel cell system
09/08/2010CN201574932U Structure of driven part in air compressor
09/08/2010CN201574931U Vortex compressor
09/08/2010CN101828038A 涡旋压缩机 Scroll Compressor
09/08/2010CN101825087A Double jet orifice enthalpy-rising rotary compressor and air-conditioning system using same
09/08/2010CN101825086A Refrigerant compressor and friction control process therefor
09/08/2010CN101196124B Vane type cavity capability changing device, vane type gas engine and vane compressor
09/07/2010US7789641 Rotary blade compressor with eccentric axial biasing
09/07/2010US7789640 Scroll fluid machine with a pin shaft and groove for restricting rotation
09/02/2010WO2010097959A1 Scroll fluid machine
09/02/2010WO2010031504A3 Vacuum pump
09/02/2010US20100221135 Scroll type compressor
09/02/2010DE102006000512B4 Wälzkolbenmaschine Wälzkolbenmaschine
09/01/2010EP2224136A2 Air-cooled scroll compressor
09/01/2010EP2224135A2 Scroll type compressor
09/01/2010EP2224134A1 Scroll compressor
09/01/2010EP2224095A1 Compressor integral with expander
09/01/2010EP2224094A1 Compressor integral with expander
09/01/2010EP2224093A1 Compressor integral with expander
09/01/2010CN201568304U Eccentric crankshaft for compressor and rotary compressor using the same
09/01/2010CN201568303U Symmetrical balance type synchronous rotating compression machine
09/01/2010CN201568302U Synchronous-rotation compressing machine with rotary air inlet, air outlet and exhaust valve
09/01/2010CN201568301U Vortex type compressor with floating disc
09/01/2010CN201568300U Vortex compressor
09/01/2010CN201568299U Vortex compressor of air-conditioning system
09/01/2010CN201568298U Motor direct-connection type vortex compressor
09/01/2010CN1940301B Oil returning tube toward protector of electric motor of scroll compressor
09/01/2010CN1746462B Spiral rotor mechanism
09/01/2010CN101821511A Scroll compressor with scroll deflection compensation
09/01/2010CN101818959A Refrigerating device and compressor
09/01/2010CN101818730A Balance type screw compressor
09/01/2010CN101372969B Synchronous rack reciprocating blower with two vanes
09/01/2010CN101225819B Scroll type compressor
09/01/2010CN101144474B Scroll machine
09/01/2010CN101100998B Rotary type compressor sliding sheet torsional spring and its uses
08/2010
08/26/2010WO2010071379A3 Method and apparatus for controlling screw compressor
08/26/2010US20100215535 Scroll type compressor
08/25/2010EP2221482A1 Multi-stage dry pump
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