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)
06/2010
06/02/2010EP2192304A1 Scroll compressor
06/02/2010EP2192303A1 Scroll type fluid machine
06/02/2010EP2192302A1 Compression mechanism and scroll compressor
06/02/2010EP2191137A1 Vacuum pump and method for controlling a gas ballast supply to a vacuum pump
06/02/2010CN201496270U Rotary compressor and oil baffle plate mounting structure thereof
06/02/2010CN1888435B Working oil supply structure for geared compressor
06/02/2010CN101344090B Multi-cylinder rotary compressor
06/02/2010CN101344086B Multi-cylinder rotary compressor
06/02/2010CN101280778B Screw rod of screw compressor
06/02/2010CN101153593B Liquid compressor
06/02/2010CN101089394B Fluid machine and scroll compressor
06/01/2010US7726960 Twin-plate rotary compressor
06/01/2010US7726957 Rotating piston machine with dual suspension
06/01/2010US7726285 Diesel engine and supercharger
06/01/2010US7726020 Method of manufacturing a compressor
05/2010
05/27/2010WO2010058691A1 Gas compressor
05/27/2010WO2010058182A2 Screw compressor
05/27/2010WO2010057690A2 Vacuum pump
05/27/2010US20100129240 Hermetically sealed scroll compressor
05/27/2010US20100129192 Compression method and means
05/27/2010DE102008059228A1 Vakuumpumpe Vacuum pump
05/27/2010DE102008059227A1 Vakuumpumpe Vacuum pump
05/27/2010CA2742729A1 Screw compressor
05/26/2010EP2188530A1 Multi-level rotary piston vacuum pump or compressor
05/26/2010CN201486868U Cylinder fixing mechanism of rotary compressor
05/26/2010CN201486866U Condensation preventer and screw compressor
05/26/2010CN201486865U Unloading cylinder and rotary compressor using same
05/26/2010CN201486860U Oil ring vacuum pump
05/26/2010CN201486859U Novel double-exhaust rotary compressor
05/26/2010CN201486858U Variable displacement rotary compressor
05/26/2010CN201486857U Rotary compressor and air conditioning system employing same
05/26/2010CN201486856U Rotary compressor with enthalpy gaining device
05/26/2010CN201486850U Relative-pressure type gas-liquid dual-purpose compressor with double rotors and a plurality of rotating vanes
05/26/2010CN1782416B By-pass valve assembly of volume variable rotary compressor
05/26/2010CN1690590B Two-stage screw bolt refrigerating machine
05/26/2010CN1603624B Compressor and method of manufacturing the same
05/26/2010CN1598319B Scroll compressor
05/26/2010CN1598316B 涡旋压缩机 Scroll Compressor
05/26/2010CN1526954B 可变容量的旋转压缩机 The variable capacity rotary compressor
05/26/2010CN101715516A Variable speed cooling compressor with spirals
05/26/2010CN101713461A Dry gas sealing device for technical screw compressor and application system thereof
05/26/2010CN101713407A Scroll compressor
05/26/2010CN101713404A Gas-liquid separation device for turbine compressor
05/26/2010CN101713402A Air guide shaft
05/26/2010CN101713401A Crank shaft and scroll compressor with same
05/26/2010CN101713397A Compressor protection and diagnostic system
05/26/2010CN101713300A Scroll expander
05/26/2010CN101713299A Scroll expander
05/26/2010CN101037997B Scroll fluid machine
05/25/2010US7722341 Scroll compressor having variable height scroll
05/25/2010US7722334 Compressor and overload protecting apparatus
05/25/2010US7721757 Discharge check valve assembly for use with hermetic scroll compressor
05/25/2010US7721701 Rotary scissors action machine
05/25/2010CA2462934C Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor
05/20/2010WO2010056002A1 Frequency- variable compressor and control method thereof
05/20/2010WO2010054864A1 Rotary machine
05/20/2010DE102008057854A1 Vakuumpumpe mit Festlageranordnung Vacuum pump with bearing arrangement
05/19/2010EP2187058A2 Vacuum pump with fixed bearing assembly
05/19/2010CN201474974U Water-ring vacuum pump
05/19/2010CN201474973U four-rotation compressor
05/19/2010CN201474972U Vertical single-screw air compressor
05/19/2010CN201474971U Lobed rotor compressor or vacuum pump
05/19/2010CN201474970U Integrated electric scroll compressor assembly for automobile air conditioner
05/19/2010CN101709704A Vortex compressor capable of preventing oil leakage to engine body exterior
05/19/2010CN101709703A Scroll air compressor with changed movable-disk support structure
05/19/2010CN101709702A 定子环结构 Stator ring structure
05/19/2010CN101709701A Single-cylinder multistage gas-compression rolling piston compressor
05/19/2010CN101709700A Wet-type rotary vane electric vacuum pump for automobile
05/19/2010CN101709699A Scroll air compressor with changed main-bearing mounting position
05/19/2010CN101294567B Totally enclosed double screws type ammonia refrigerating compressor
05/19/2010CN101275557B Swirl type cold compressor
05/19/2010CN101270749B Oil-free helical lobe compressor rotor anti-seizing protection method and device
05/19/2010CN101133126B Composition for slide member, slide member and fluid machinery
05/19/2010CN101054975B Rotary piston type compressor
05/19/2010CN101008389B Sealed rotary compressor and refrigerating circulation device comprising same
05/18/2010US7717689 Rotor apparatus of pump including a drive shaft with a plurality of arcuate circumferential surface sections
05/18/2010US7717687 Scroll compressor with compliant retainer
05/14/2010WO2010052060A2 Method for operating an oil-tight vacuum pump and oil-tight vacuum pump
05/14/2010WO2010052038A1 Vane for a single-vane vacuum pump
05/14/2010WO2010029956A3 Hermetic compressor
05/13/2010US20100119399 Vacuum pump
05/13/2010US20100119397 Fluid machine
05/13/2010US20100119378 Rotary compressor
05/13/2010US20100116254 Roots type gear compressor with helical lobes having communication with discharge port
05/12/2010EP2183484A1 Fkm or ffkm multiple layers seal
05/12/2010DE102008057548A1 Verfahren zum Betreiben einer ölgedichteten Vakuumpumpe sowie ölgedichtete Vakuumpumpe A method of operating an oil-sealed vacuum pump and oil-sealed vacuum pump
05/12/2010DE102008057227A1 Flügel für eine Einflügelvakuumpumpe Wings for a single-blade
05/12/2010CN201461416U Cooling device for Root's blower
05/12/2010CN201461413U Sliding plate and roller wheel structure of rolling piston compressor
05/12/2010CN201461412U Air volume and air pressure regulating device of Roots blower
05/12/2010CN201461411U Dual-pressure output control system of screw compressor
05/12/2010CN201461408U DC electric vacuum pump for automobile
05/12/2010CN201461407U Side air inlet rotary air compression device
05/12/2010CN201461406U Rolling compression ring type refrigeration compressor
05/12/2010CN201461405U Main machine of double screw air compressor
05/12/2010CN201461404U Screw compressor for locomotive
05/12/2010CN201461403U Signal-screw-rod compressor with freely floating mesh gap
05/12/2010CN201461402U Rotary type compressor provided with tool crank shaft without withdrawal groove
05/12/2010CN201461364U Gear pump intelligent test bed
05/12/2010CN1975167B Double-rotary pump
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