F04C 18 - Rotary-piston pumps specially adapted for elastic fluids

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
08/2006
08/30/2006	CN2811621Y Vortex compressor with oil returning device for large displacement vehicle
08/30/2006	CN2811620Y Vortex compressor with oil and gas separator for large displacement vehicle
08/30/2006	CN2811618Y Vortex compressor with radial compensator for air conditioner
08/30/2006	CN2811617Y Vortex compressor with axial compensator for air conditioner
08/30/2006	CN2811616Y Vortex compressor with novel lower support structure for air conditioner
08/30/2006	CN2811613Y Vortex compressor with high-pressure unloading device for air conditioner
08/30/2006	CN2811612Y Vortex compressor with external unloading device for large displacement vehicle
08/30/2006	CN2811611Y Vortex compressor with built-in unloading device for large displacement vehicle
08/30/2006	CN2811610Y Vortex compressor with reverse rotation preventing device for air conditioner
08/30/2006	CN2811609Y Vortex compressor with moving disc type linear seal device for air conditioner
08/30/2006	CN2811608Y Vortex compressor for large displacement vehicle
08/30/2006	CN2811607Y Vortex compressor with externally arranged clutch for large displacement vehicle
08/30/2006	CN2811606Y Double-rotor vane pump
08/30/2006	CN1826468A Refrigeration machine
08/30/2006	CN1824952A 可变容量压缩机及其启动方法 The variable capacity compressor and start method
08/30/2006	CN1272549C Compressor
08/30/2006	CN1272547C Method for making vortex mechanism
08/29/2006	US7096681 System and method for variable speed operation of a screw compressor
08/24/2006	WO2006087904A1 Vane pump
08/24/2006	WO2006087903A1 Vane pump
08/24/2006	WO2006087038A1 Volumetric rotary machine with rotors having asymmetric profiles
08/24/2006	US20060188383 Vacuum pump
08/24/2006	US20060188382 Compressor
08/23/2006	EP1620649B1 Improvements in seal assemblies
08/23/2006	CN2809275Y Rotary compressor with secured vane
08/23/2006	CN2809273Y Multi-stage dry type vacuum pump
08/23/2006	CN2809272Y 螺杆空压机 Screw Air Compressor
08/23/2006	CN1823229A Scroll compressor
08/23/2006	CN1823228A System for controlling compressor of cooling system and method for controlling the same
08/23/2006	CN1823227A Scroll compressor
08/23/2006	CN1823226A Scroll compressor
08/23/2006	CN1823225A Scroll compressor
08/23/2006	CN1821686A Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
08/23/2006	CN1821578A Compressor diagnostic system
08/23/2006	CN1821577A 压缩机诊断系统 Compressor diagnostic system
08/23/2006	CN1821576A Rotary compressor
08/22/2006	US7094043 Compressor having counterweight shield
08/22/2006	US7094038 Vacuum preventing device for scroll compressor
08/22/2006	US7093455 Vapor-compression evaporative air conditioning systems and components
08/22/2006	CA2258611C Fluid vane motor/pump
08/17/2006	US20060182645 Scroll-type fluid machine
08/17/2006	US20060182643 Progressing cavity stator having a plurality of cast longitudinal sections
08/17/2006	US20060182638 Vacuum device and vacuum pump
08/17/2006	US20060182635 Compressor protection and diagnostic system
08/16/2006	EP1690007A1 Two stage scroll vacuum pump
08/16/2006	EP1552155B1 Compressor with capacity control
08/16/2006	EP1399677B1 Two-stage helical screw compressor
08/16/2006	EP1242742B1 Cooled screw vacuum pump
08/16/2006	CN2806830Y Roots blower with double oil tanks
08/16/2006	CN2806829Y Single-stage multi-segment Roots blower
08/16/2006	CN1820144A Scroll compressor with offset scroll members
08/16/2006	CN1818514A Compressor for refrigerant cycling device
08/16/2006	CN1818504A Refrigerant cycling device
08/16/2006	CN1818390A Refrigerant cycling device
08/16/2006	CN1818389A Terminal cover, sealed type electromotive compressor and refrigerant cycle device
08/16/2006	CN1270104C Resonator for rotary compressor
08/16/2006	CN1270092C Fluid pump
08/16/2006	CN1270091C Composite compressor
08/16/2006	CN1270090C Dry-type spiral vacuum pump
08/16/2006	CN1270089C Dry-type spiral vacuum pump
08/15/2006	US7090476 Rotary fluid machine
08/10/2006	US20060177336 Dual-piston valve for orbiting vane compressors
08/10/2006	US20060177335 Low-pressure type orbiting vane compressor
08/10/2006	US20060177334 Axial force reducing structure of orbiting vane compressor
08/10/2006	US20060177333 Air-feeding device
08/10/2006	US20060177332 Step-type capacity varying apparatus of scroll compressor
08/09/2006	EP1688621A2 Hand-held vacuum pump and automated urinary drainage system using that vacuum pump
08/09/2006	EP1687540A1 Improvements in dry pumps
08/09/2006	EP1687539A1 Compressor
08/09/2006	EP1001173B1 Screw compressor with adjustable full-load capacity
08/09/2006	CN2804436Y Scroll fluid machine
08/09/2006	CN1816697A Rotary-type enclosed compressor and refrigeration cycle apparatus
08/09/2006	CN1816696A Scroll-type fluid machine
08/09/2006	CN1816680A Rotary machine with major and satellite rotors
08/09/2006	CN1815107A Refrigerating device, refrigerator, compressor, and gas-liguid separator
08/09/2006	CN1815031A Low-pressure type orbiting vane compressor
08/09/2006	CN1815029A Slip-sheet for rotary compressor
08/09/2006	CN1815028A Rotary compressor
08/09/2006	CN1815027A Step-type capacity varying apparatus of scroll compressor
08/09/2006	CN1815026A Axial force reducing structure of orbiting vane compressor
08/09/2006	CN1815025A Horizontal type orbiting vane compressor
08/09/2006	CN1815024A Horizontal type orbiting vane compressor
08/09/2006	CN1815023A Rotary compressor
08/09/2006	CN1814989A Scroll compressor
08/09/2006	CN1268884C Turbine compressor
08/09/2006	CN1268846C Sealed electrical compressor
08/08/2006	US7086844 Multi-stage scroll fluid machine having a set a seal elements between compression sections
08/08/2006	US7086244 Refrigerant cycle apparatus
08/08/2006	US7086151 Powder metal scrolls
08/03/2006	WO2006080230A1 Fixed scroll positioning device and positioning method
08/03/2006	WO2006080137A1 Device and method for positioning fixed scroll
08/03/2006	WO2006036615A3 Progressing cavity pump with dual material stator
08/03/2006	US20060171831 Scroll machine
08/03/2006	US20060171830 Scroll type hydraulic machine
08/03/2006	US20060171829 Chamber for Compressor and Compressor Using the Same
08/03/2006	US20060168994 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit
08/03/2006	DE202006007301U1 Dry compacting screw spindle pump for conveying and compacting gases has drive gear wheel with crown gears so that as drive wheel rotates coolant and lubricant are pressed into oil supply tube
08/03/2006	DE19980647B4 Spiralverdichter mit einem exzentrischen Kurbelmechanismus, der eine verlängerte Welle umfasst A scroll compressor having an eccentric crank mechanism, which comprises an elongated shaft
08/02/2006	CN1811189A Screw compressor acoustic resonance reduction
08/02/2006	CN1811188A Scroll machine

1 ... 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 ... 195