Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
08/2008
08/05/2008CA2618414A1 Scroll compressor with a refrigerant injection system
08/05/2008CA2390388C Scroll compressor for natural gas
07/2008
07/31/2008WO2008091564A1 Powder metal scroll hub joint
07/31/2008WO2008090777A1 Rotary compressor
07/31/2008US20080181802 Scroll fluid machine
07/31/2008DE202008006927U1 Rippengestaltung bei einem Lader nach dem Spiralprinzip Rib design with a supercharger the spiral principle
07/31/2008DE202008006926U1 Schwingenlagerung bei einem Lader nach dem Spiralprinzip Swing arm mount with a charger using the spiral principle
07/31/2008DE202007004292U1 Dichtung für Wellenabdichtungen Seal for shaft seals
07/31/2008DE102007055698A1 Lager und ein durch eine Flüssigkeit gekühlter Schraubenverdichter Warehouse and a cooled by a liquid screw compressor
07/31/2008DE102007005216A1 Vacuum pump, particularly vane pump for compressible medium, has external housing, which separates pump inner area from pump outer area and in which outlet is formed for medium to connect pump inner area with pump outer area
07/30/2008EP1950419A1 Scroll-type fluid machine
07/30/2008EP1950377A1 Electric compressor with inverter
07/30/2008EP1948938A1 Pump with a cylindrical cooling bush
07/30/2008EP1948937A1 Rotor pump
07/30/2008EP1948936A1 Vacuum pump
07/30/2008EP1474591B1 Compressed air motor
07/30/2008EP1033474B1 Positive-displacement piston mechanism of rotary piston structure
07/30/2008CN201092960Y Off-set structure of rollig rotor compressor blade groove
07/30/2008CN201092959Y Rotation-type compressor using silencing hole to jet and add enthalpy
07/30/2008CN101230876A Crankshaft
07/30/2008CN101230859A Rotary type compressor and refrigeration circulating device having the same
07/30/2008CN101230857A Method for manufacturing rotary compressor
07/30/2008CN101230856A Compressor and air conditioner containing the same
07/30/2008CN100406741C Fixed scroll of scroll compressor, compressing assembly and scroll compressor
07/30/2008CN100406740C Screw tooth form of screw-type air compressor
07/30/2008CN100406739C Screw tooth form of double-screw air compressor
07/30/2008CN100406738C Variable inner volume ratio-type inverter screw compressor
07/30/2008CN100406737C Vacuum pump with turbination
07/30/2008CN100406736C Cover structure for engine
07/29/2008US7404706 Scroll fluid machine having oil-supply holes being formed through a reinforcement bearing plate on a rear surface of the orbiting scroll
07/24/2008WO2008088269A1 Screw compressor
07/24/2008WO2008088112A1 Compressor and oil blocking device therefor
07/24/2008WO2008088111A1 Compressor and oil separating device therefor
07/24/2008WO2008087923A1 Scroll type fluid machine
07/24/2008WO2008087887A1 Compressor
07/24/2008WO2008087795A1 Expander-integrated compressor
07/24/2008US20080175738 Compressor and oil blocking device therefor
07/24/2008US20080175737 Scroll machine with seal
07/24/2008US20080175736 Variable capacity rotary compressor
07/24/2008DE102008003491A1 Rotoranordnung und Verfahren zu deren Bildung A rotor assembly and methods for their formation
07/23/2008CN201090445Y Two-stage rotary blade type mechanical vacuum pump
07/23/2008CN201090443Y Single-stage rotary blade type mechanical vacuum pump
07/23/2008CN201090442Y Air blasting or air inducing equipment
07/23/2008CN201090441Y Whirlpool type air conditioner compressor for automobile with ring pin structure
07/23/2008CN101225823A Scroll fluid machine
07/23/2008CN101225820A Variable capacity rotary compressor
07/23/2008CN101225819A Scroll type compressor
07/23/2008CN100404871C Compressor
07/23/2008CN100404870C Oil discharge preventing apparatus of scroll compressor
07/23/2008CN100404869C Variable capacity rotary compressor
07/23/2008CN100404867C Hermetic rotary compressor
07/23/2008CN100404866C Variable capacity rotary compressor
07/22/2008CA2438306C Water-injected screw compressor
07/17/2008WO2008085263A1 Thermally compensated scroll machine
07/17/2008US20080170955 Scroll compressor with crankshaft venting
07/16/2008EP1944513A1 Liquid injection type screw compressor
07/16/2008EP1766244B1 Single winged vacuum pump
07/16/2008CN101223365A Scroll-type refrigerant compressor
07/16/2008CN101223364A Compresseur frigorifique a spirales
07/16/2008CN101223363A Gear pump
07/16/2008CN101220814A Compressor
07/16/2008CN101220813A Compressor and operation method
07/16/2008CN101220784A Contraposition type alternative stroke internal combustion engine combined rotor internal combustion engine
07/16/2008CN100402862C 气体压缩机 Gas Compressor
07/16/2008CN100402861C Compression system
07/16/2008CN100402860C Swinging piston manufacturing method
07/16/2008CN100402859C Gas compressor
07/16/2008CN100402858C Screw compressor discharge flow guide
07/16/2008CN100402857C Scroll compressor
07/16/2008CN100402856C Scroll type hydraulic machine
07/16/2008CN100402855C Scroll compressor
07/15/2008US7399171 Rotary pump for braking device
07/15/2008US7398855 Compressor sound attenuation enclosure
07/15/2008US7398757 Toroidal engine method and apparatus
07/10/2008WO2008081906A1 Scroll compressor
07/10/2008WO2008081761A1 Positioning device for fixed scroll
07/10/2008WO2008081760A1 Method of positioning fixed scroll
07/10/2008WO2008081759A1 Device and method for positioning fixed scroll
07/10/2008WO2008080492A1 Vacuum pump having an outlet valve
07/10/2008WO2008080491A1 Vacuum pump with an outlet lip valve
07/10/2008WO2008080285A1 Cooling device with fan for vehicle
07/10/2008DE102007001593A1 Vakuumpumpe Vacuum pump
07/10/2008DE102005040971B4 Spiralverdichter mit Funktion zum Verhindern eines Schmierölverlustes Scroll compressor function for preventing lubricating oil loss
07/09/2008EP1942278A2 Scroll fluid machine
07/09/2008EP1941162A1 Scroll compressor
07/09/2008EP1728009B1 Vacuum pump
07/09/2008CN201083619Y Screw rod compressor experiment platform system
07/09/2008CN201083198Y Rolling rotary compressor
07/09/2008CN201083197Y Magnetic compressor
07/09/2008CN201083196Y Rotary disc type compressor
07/09/2008CN101218433A Oil supply method and device for two-stage screw compressor, and method of operating refrigeration device
07/09/2008CN101216038A Oilless screw compressor
07/09/2008CN101216037A Rotary compressor and air conditioner having the same
07/09/2008CN101216036A Rotary vane type compressor
07/09/2008CN101216035A Swirl type compressor and its control method
07/09/2008CN101216034A Vortex compressor
07/09/2008CN100400887C Screw compressor
07/09/2008CN100400886C Apparatus for preventing overheating of scroll compressor
07/09/2008CN100400885C Turbine compressor
07/09/2008CN100400884C Vortex compressor with variable volume
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