Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
02/2008
02/21/2008WO2008021503A2 Air supply mechanism for ventricular assist system
02/21/2008WO2008019815A1 Rotor cooling for dry-running twin-shaft vacuum pumps or compressors
02/21/2008WO2008019575A1 Rotary expanding or compressing mechanism provided in fluid channel with blades for traversing shaft
02/21/2008WO2008019535A1 Air conditioner with a gas compression structure
02/21/2008US20080044307 Compact helical compressor for mobile use in a vehicle
02/21/2008US20080044304 Screw pump
02/21/2008US20080044300 Air Pump
02/21/2008DE102006038419A1 Rotorkühlung für trocken laufende Zweiwellen-Vakuumpumpen bzw. -Verdichter Rotor cooling for dry-running two-shaft vacuum pumps and compressors
02/21/2008DE102006038418A1 Dry running rotary slide vacuum pump or compressor has rotor in housing driven by drive shaft and slides in slots of rotor sliding towards outside in peripheral direction
02/20/2008EP1890040A2 Vacuum pump
02/20/2008EP1890039A2 Screw pump
02/20/2008EP1890038A2 Screw pump
02/20/2008EP1766237B1 Single-winged vacuum pump
02/20/2008EP1055823B1 Vane type vacuum pump for automobiles
02/20/2008CN201025261Y Rotary compressor with gas spraying and enthalpy addition function
02/20/2008CN100370197C Compressor for refrigerant cycling device
02/20/2008CN100370142C Vortex compressor
02/20/2008CN100370141C Vane type vacuum pump
02/20/2008CN100370140C Miniaturization method for vortex type automobile air conditioner compressor and structure thereof
02/20/2008CN100370139C Compressor
02/19/2008CA2328718C Positive displacement machine
02/14/2008WO2003102420A9 Gear pump
02/14/2008US20080038134 Scroll compressor
02/14/2008US20080038133 Scroll Compressor
02/14/2008US20080038132 Rotary Dry Vacuum Pump
02/13/2008EP1887225A1 Electric compressor
02/13/2008EP1887185A2 Screw machine
02/13/2008EP1886025A1 Vane-cell pump
02/13/2008EP1886024A1 Scroll-type refrigerant compressor
02/13/2008EP1886021A2 Control and protection system for a variable capacity compressor
02/13/2008EP1766242B1 Blade for a single-blade vacuum pump
02/13/2008CN201021665Y Up and down end non plane leaf for rotary piston compressor
02/13/2008CN101124408A Multi-shaft vacuum pump with circular translation cycle
02/13/2008CN101122291A Screw pump
02/13/2008CN101122290A Screw compressor
02/13/2008CN100368687C Positioning method and polsitioning apparatus
02/12/2008US7329109 Oil retention in scroll compressor pump members
02/12/2008US7329106 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle
02/12/2008CA2464113C Offset thread screw rotor device
02/07/2008WO2008014688A1 A rotary piston compressor
02/07/2008US20080031762 Screw compressor for extremely high working pressure
02/07/2008US20080031756 Capacity Variable Type Twin Rotary Compressor And Driving Method Thereof And Airconditioner With This and Driving Method Thereof
02/07/2008DE102006035783A1 Schraubenverdichter Screw compressor
02/07/2008DE102006035782A1 Schraubenverdichter für extrem große Betriebsdrücke Screw compressors for extremely large operating pressures
02/06/2008CN101120175A Vane pump
02/06/2008CN101120174A Vane pump
02/06/2008CN101117958A Rotary plate-type air compressor
02/06/2008CN100367636C Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method
02/06/2008CN100366993C Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
02/06/2008CN100366913C Horizontal rotary compressor
02/06/2008CN100366912C Vortex type compressor
02/06/2008CN100366911C Fluid equipment protection system
02/06/2008CN100366910C Scroll compressor having overheat preventing unit
02/06/2008CN100366909C Variable capacity rotary compressor
02/06/2008CN100366908C Compressor
02/06/2008CN100366907C Asymmetric scroll compressor
02/06/2008CN100366906C Scroll type fluid machine
02/06/2008CN100366875C Compressor wheel assembly
02/05/2008US7326039 Apparatus for varying capacity of scroll compressor
02/05/2008US7325474 Silencer
01/2008
01/31/2008WO2008014433A1 Screw compressor capacity control
01/31/2008WO2008011934A1 Rotor pump
01/31/2008WO2007128308A8 Screw compressor with rotor endplates
01/31/2008US20080025860 Two-stage rotary compressor
01/31/2008DE102007026961A1 Fluid-Verdrängungsmaschine Fluid-displacement machine
01/31/2008DE102006034721A1 Oil-flooded rotary screw compressor, has spring assembly arranged on opposite side of oil pump, where oil pump is held on valve seat surface, and propulsive connection formed between oil pump drive shaft and shaft end of rotor
01/30/2008EP1882857A1 Rotary compressor
01/30/2008EP1882856A1 Complex dry vacuum pump having Roots and screw rotors
01/30/2008CN201015173Y Electric motor, closed compressor and refrigeration cycle device using the compressor
01/30/2008CN201013598Y Screw air compressor double temperature protecting equipment
01/30/2008CN201013595Y Abrade reducing type magnetic transmission leakless gas compressor
01/30/2008CN201013594Y Helical impeller compressor
01/30/2008CN201013593Y Turning compressing device having double cylinder and single rolling piston
01/30/2008CN201013592Y Screw type air compressor
01/30/2008CN201013591Y Screw air compressor horizontal type air intake valve
01/30/2008CN201013590Y Screw air compressor vertical type air intake valve
01/30/2008CN201013589Y Conical double helical lobe compressor actuating devive
01/30/2008CN201013588Y Simple leaf rotor type blast engine
01/30/2008CN201013585Y Balance type cam wheel rotor pump
01/30/2008CN101113735A Rotor compressor
01/30/2008CN101113734A Rotor type compressor
01/30/2008CN100365300C Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device
01/30/2008CN100365284C Rotor tooth-profile for screw pump
01/30/2008CN100365283C Rotary vane type compressor
01/30/2008CN100365282C Scroll compressor and refrigerating system using ammonia group refrigerant
01/30/2008CN100365281C Scroll compressor
01/30/2008CN100365280C Vortex type compressor
01/29/2008US7322809 Rotary compressor with sealing portions and oil-supply groove
01/29/2008US7322807 Scroll machine with axially compliant mounting
01/29/2008CA2439198C Water-injected screw-type compressor
01/24/2008WO2008010539A1 Fluid machine
01/24/2008WO2008009266A1 Bearing set of roller bearing of rotor mounted in housing having front clearance, and method for installation thereof
01/24/2008DE102007024897A1 Compressor, with coolant taken from an external flow path, has a pressure difference throttle for coolant to flow into the motor chamber
01/24/2008DE102006033777A1 Lagersatz einer Wälzlagerung eines in einem Gehäuse mit Stirnspiel gelagerten Rotors und Verfahren zu seiner Montage Bearing set a rolling bearing mounted in a housing with an end game rotor and method of assembly
01/24/2008DE10197270B4 Vakuumpumpe Vacuum pump
01/24/2008CA2594440A1 Scroll compressor
01/23/2008EP1230486B1 Pump for a fluid or gaseous medium
01/23/2008CN101109383A Rolling piston type air-conditioner compressor used for hybrid automobile
01/23/2008CN101109382A Oil free screw compressor
01/23/2008CN100363626C Vortex compressor
1 ... 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 ... 195