Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
03/2011
03/30/2011CN201779026U Orbiting scroll wear plate of scroll compressor
03/30/2011CN201779025U Wear-resistant sheet for moving plate of scroll compressor
03/30/2011CN201779024U Fixed scroll wear plate of scroll compressor
03/30/2011CN201779016U Variable-volume rotary compressor
03/30/2011CN201779015U Closed rotary compressor
03/30/2011CN201779014U Small movable gasoline engine drive type screw compressor
03/30/2011CN201779013U Swirling vehicle air condition compressor
03/30/2011CN101994697A Sliding vane pump
03/30/2011CN101994696A Spring-free rotary compressor
03/30/2011CN101994695A Totally closed rotor type refrigeration compressor for low-pressure difference cooling cylinder circulation
03/30/2011CN101994694A Contact seal-free Roots blower
03/30/2011CN101994693A Scroll compressor with high volume ratio
03/30/2011CN101994692A Compression device with anti-wear device and sealing device
03/29/2011US7914268 Compressor having shell with alignment features
03/24/2011WO2011034164A1 Multi-cylinder rotary compressor and refrigeration cycle device
03/24/2011WO2011034082A1 Scroll compressor
03/24/2011WO2011033977A1 Refrigerant compressor and freeze cycle device
03/24/2011US20110070114 Oil return valve for a scroll compressor
03/23/2011EP2299117A2 Scroll-type compressor
03/23/2011EP2299055A1 Automotive vacuum vane pump
03/23/2011EP2297463A1 Support member for optimizing dynamic load distribution and attenuating vibration
03/23/2011EP2176519B1 Pendulum slide vacuum pump
03/23/2011EP1918510B1 Fluid machine and refrigeration cycle device
03/23/2011CN201771776U Improved scroll compressor exhaust hole
03/23/2011CN201771773U Rotary type compressor
03/23/2011CN201771765U Rotary compressor
03/23/2011CN201771764U Compressing mechanism of closed rotary compressor
03/23/2011CN201771763U Rotary compressor
03/23/2011CN201771762U Helical-lobe compressor rotor
03/23/2011CN201771761U Helical-lobe compressor rotor
03/23/2011CN201771760U Screw compressor rotor
03/23/2011CN101988503A Rotary compressor
03/23/2011CN101988502A Rotating compressor
03/23/2011CN101988501A Rotary compressor
03/23/2011CN101988500A Rotation type compressor
03/23/2011CN101988499A Rotary compressor
03/23/2011CN101988498A Variable-displacement scroll compressor
03/23/2011CN101988497A Vortex compressor
03/23/2011CN101490421B Rotor compressor
03/23/2011CN101387298B Double cylinders rotary compressor and freezing cycle device using the same
03/22/2011US7909592 Scroll compressor
03/22/2011US7909590 Reciprocating component-free kinematic motion apparatus for transforming pressure variations of a fluid operating in cyclically variable volume toroidal chambers into a mechanical work on a rotary axis and engine including said apparatus
03/22/2011US7909026 Servo-actuated supercharger operating mechanism
03/22/2011US7909014 Oscillating piston machine
03/22/2011US7909013 Hybrid cycle rotary engine
03/17/2011WO2011031766A2 Optimized discharge port for scroll compressor with tip seals
03/17/2011WO2011030809A1 Multiple cylinder rotary compressor and refrigeration cycle device
03/17/2011WO2011030633A1 Mold for scroll member
03/17/2011WO2010138821A3 Compressor having capacity modulation or fluid injection systems
03/17/2011WO2010058182A3 Screw compressor
03/17/2011US20110064598 Vane pump
03/17/2011US20110064597 Optimized Discharge Port for Scroll Compressor with Tip Seals
03/17/2011DE102010036156A1 Einspritzrohre zum Einspritzen von Fluid in einen Spiralverdichter Injection pipes for injecting fluid in a scroll type compressor
03/16/2011EP2295806A2 Device for load-independent application of a diesel-soot particulate filter with pressurised air
03/16/2011EP2295805A1 Scroll compressor with vapor injection
03/16/2011EP2295804A2 Noise reduction in a scroll compressor
03/16/2011EP2295720A1 Two-stage rotary expander, expander-integrated compressor, and refrigeration cycle device
03/16/2011CN201763610U Shaft and shaft sleeve of Roots vacuum pump
03/16/2011CN201763605U Improved structure of rotary air compressor
03/16/2011CN201763604U Locomotive screw air compressor
03/16/2011CN201763603U Scroll compressor
03/16/2011CN101985938A Three-axis composite dry pump with screw and roots rotor
03/16/2011CN101985937A Triaxial claw vacuum pump
03/16/2011CN101985936A Asymmetric claw type vacuum pump
03/16/2011CN101985935A Three-axis Roots vacuum pump
03/16/2011CN101985934A Airtight type electric compressor
03/15/2011US7905717 PD pumps with a common gearbox module and varying capacities and easy access to mechanical seals
03/15/2011US7905716 Scroll compressor
03/15/2011US7905715 Scroll compressor having a fixed scroll part and an orbiting scroll part
03/10/2011WO2011028353A2 Electric machine
03/10/2011WO2011027567A1 Scroll compressor
03/10/2011WO2011027480A1 Scroll compressor, refrigerating cycle device, and heat pump water heater
03/10/2011US20110058972 Scroll compressor capacity modulation with solenoid mounted outside a compressor shell
03/10/2011US20110058971 Injection tubes for injection of fluid into a scroll compressor
03/10/2011DE102009038937A1 Screw compressor has two rotors that are divided in main rotor and auxiliary rotor, where profile section of main rotor has distinct helical gearing
03/09/2011EP1952027B1 Rotary pump
03/09/2011EP1917443B1 Improved low-pressure screw compressor
03/09/2011CN201757059U Compressor
03/09/2011CN201757058U Vortex type compressor
03/09/2011CN101469703B Compressor
03/09/2011CN101124408B Multi-shaft vacuum pump with circular translation cycle
03/03/2011WO2011024826A2 Rotary compressor
03/03/2011WO2011023513A2 Displacement pump having inner seal
03/03/2011US20110052410 Powder metal scrolls
03/03/2011DE112009000419T5 Spiralkompressor vom Invertertyp Scroll compressor inverter type
03/02/2011CN101983288A 涡旋式压缩机 Scroll compressor
03/01/2011US7896630 Rotary device with reciprocating vanes and seals therefor
03/01/2011US7896627 Rotary type expander and fluid machinery
02/2011
02/24/2011WO2011022455A2 Screw compressor drive control
02/24/2011WO2011020305A1 Fully-enclosed rotor type refrigeration compressor
02/24/2011WO2010138825A3 Compressor having piston assembly
02/24/2011WO2010135290A3 Diagnostic system
02/24/2011WO2010066988A3 Dry vacuum pump, and associated assembly method
02/24/2011DE10341104B4 Spiralkompressor Scroll compressor
02/24/2011CA2768560A1 Screw compressor drive control
02/23/2011EP2287444A1 Rotary screw compressor with improved volume ratio regulation means
02/23/2011CN1950613B System and method for variable speed operation of a screw compressor
02/23/2011CN101981320A 低压泵 Low-pressure pump
02/23/2011CN101981319A Method for cooling a liquid-injected compressor element and liquid-inject compressor element for applying such a method
02/23/2011CN101981317A Compressor
1 ... 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 ... 195