| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 02/23/2011 | CN101981274A Scroll fluid machine |
| 02/23/2011 | CN101979880A 螺杆压缩机 Screw compressors |
| 02/23/2011 | CN101287910B Cyclone compressor |
| 02/22/2011 | US7891956 Rotary compressor |
| 02/17/2011 | WO2011019689A2 Compressor having counterweight cover |
| 02/17/2011 | WO2011019684A2 Balanced pressure, variable displacement, dual lobe, single ring, vane pump |
| 02/17/2011 | WO2011019116A1 Compressor |
| 02/17/2011 | WO2011019115A1 Compressor |
| 02/17/2011 | WO2011019114A1 Compressor |
| 02/17/2011 | WO2011019113A1 Compressor |
| 02/17/2011 | WO2011019048A1 Dry pump |
| 02/17/2011 | WO2011018643A2 Booster pump |
| 02/17/2011 | WO2011018598A2 Scroll pump |
| 02/17/2011 | WO2011018294A2 Vacuum pump |
| 02/17/2011 | WO2011018293A2 Vacuum pump |
| 02/17/2011 | US20110038747 Automatic volume ratio variation for a rotary screw compressor |
| 02/17/2011 | US20110038744 System for construction of pumps, compressors and rotary engine composed of two rotors with one, two or more displacer's each, that move themselves in the same direction at speeds that are varying and alternativly opposite each other |
| 02/17/2011 | DE102009038132A1 Vakuumpumpe Vacuum pump |
| 02/17/2011 | DE102009037010A1 Vakuumpumpensystem Vacuum pump system |
| 02/17/2011 | CA2770324A1 Balanced pressure, variable displacement, dual lobe, single ring, vane pump |
| 02/17/2011 | CA2768250A1 Scroll pump |
| 02/16/2011 | EP2284463A2 Digital controller for scroll compressor condensing unit |
| 02/16/2011 | EP2284462A2 Compressor diagnostic system |
| 02/16/2011 | EP2284398A1 Scroll type compressor |
| 02/16/2011 | EP1588053B1 Coated end wall of a compressor chamber and method of manufacture thereof |
| 02/16/2011 | CN201747607U Rotary compressor |
| 02/16/2011 | CN201747606U Rotating compressor |
| 02/16/2011 | CN201747605U 旋转压缩机 Rotary compressor |
| 02/16/2011 | CN201747604U Elliptic orbit groove reciprocating transmission piston type and diaphragm type compressor |
| 02/16/2011 | CN201747603U Novel energy-saving and noise-reducing single screw compressor with exhaust triangular opening |
| 02/16/2011 | CN201747602U Medium and small screw air compressor |
| 02/16/2011 | CN201747601U Single screw compressor for increasing displacement and improving volumetric efficiency |
| 02/16/2011 | CN201747600U Single-screw compressor with small specific power |
| 02/16/2011 | CN201747599U Scroll compressor for automobile air conditioner |
| 02/16/2011 | CN101978226A Refrigeration apparatus |
| 02/16/2011 | CN101978168A Revolving vane compressor and method for its manufacture |
| 02/16/2011 | CN101978165A Refrigeration apparatus |
| 02/16/2011 | CN101978135A Fluid injected screw compressor element |
| 02/16/2011 | CN101975167A Compressor control system |
| 02/16/2011 | CN101975166A Rolling rotor refrigeration compressor of double working face cylinder |
| 02/16/2011 | CN101975165A Rolling piston refrigeration compressor capable of effectively utilizing space |
| 02/16/2011 | CN101975164A Rotary vane compressor |
| 02/15/2011 | US7887310 Compressor unloading valve |
| 02/10/2011 | WO2011016938A2 Scroll compressor with radially configured motor winding |
| 02/10/2011 | WO2011016452A1 Compressor |
| 02/10/2011 | US20110033326 Scroll compressor with radially configured motor winding |
| 02/10/2011 | DE102009035000A1 Vane cell machine for use as e.g. pump in mechanical industry, has hollow cylindrical rotor supported in housing and provided with mobile blades and cylinder, and sickle-like areas comprising inlet channels and outlet channels |
| 02/09/2011 | EP2282061A1 Rotor assembly |
| 02/09/2011 | EP2282060A2 Powder metal scrolls |
| 02/09/2011 | EP1957798B1 Helical screw compressor |
| 02/09/2011 | CN201739179U Compound sealing device of claw type dry vacuum pump |
| 02/09/2011 | CN201739177U Double translational rotor type compressor |
| 02/09/2011 | CN201739176U Screw air compressor host machine with funneled oil coarse separation structure |
| 02/09/2011 | CN201739175U Vacuum pump for improving pumping speed and vacuum degree |
| 02/09/2011 | CN101968055A 空气压缩机 Air compressor |
| 02/09/2011 | CN101968054A Scroll fluid machine |
| 02/09/2011 | CN101368567B Frame head apparatus of translational rotary compressor |
| 02/08/2011 | US7882826 Tapered rotor assemblies for a supercharger |
| 02/02/2011 | EP2280148A1 Scroll fluid machine |
| 02/02/2011 | EP2279333A2 Fluid injected screw compressor element |
| 02/02/2011 | CN201730828U Back pressure mechanism for scroll compressor |
| 02/02/2011 | CN201730827U Plastic gear pump device |
| 02/02/2011 | CN101965439A Mounting base and scroll compressor incorporating same |
| 02/02/2011 | CN101965438A Scroll compressor build assembly |
| 02/02/2011 | CN101963154A Rotary compressor, its manufacture method and device |
| 02/02/2011 | CN101963153A Screw rotor |
| 02/02/2011 | CN101961828A Molding method of scroll and scroll |
| 02/01/2011 | US7878783 Gear pump with components constructed as a homogenous workpiece |
| 02/01/2011 | US7878782 Screw compressor |
| 02/01/2011 | US7878780 Scroll compressor suction flow path and bearing arrangement features |
| 02/01/2011 | US7878778 Rotary compressor having main bearing integrally formed with cylinder or piston serving as fixed side |
| 02/01/2011 | US7878777 Scroll compressor having grooved thrust bearing |
| 02/01/2011 | US7878774 Moineau stator including a skeletal reinforcement |
| 02/01/2011 | US7878771 Hermetic type compressor with wave-suppressing member in the oil reservoir |
| 01/27/2011 | DE102010015755A1 Abstimmvorrichtung mit kombinierter Rückflussfunktion Tuning combined with backflow function |
| 01/26/2011 | EP2278166A2 Bearing for refrigerating compressor |
| 01/26/2011 | EP1934480B1 Rotor pump and vane for a rotor pump |
| 01/26/2011 | CN201723446U Dry vacuum micro-system |
| 01/26/2011 | CN201723444U Rotary compressor |
| 01/26/2011 | CN201723443U Mechanical spiral four-tooth rotor pressurizer |
| 01/26/2011 | CN101960146A Compressor having wire retainer |
| 01/26/2011 | CN101960143A Refrigerant compressor and refrigeration cycle system |
| 01/26/2011 | CN101956705A Rotary side-exhaust compressor |
| 01/26/2011 | CN101956704A Closed compressor |
| 01/26/2011 | CN101956703A Rotary hermetic compressor |
| 01/26/2011 | CN101440813B Liquid-cooled screw compressor |
| 01/26/2011 | CN101106293B Electric motor and electric compressor |
| 01/20/2011 | WO2011007157A2 Scroll compressor |
| 01/20/2011 | WO2010117214A3 Rotary-type 2-stage compressor |
| 01/20/2011 | US20110014077 Method for cooling a liquid-injected compressor element and liquid-inject compressor element for applying such a method |
| 01/19/2011 | EP2275685A2 Vacuum pump for vehicles |
| 01/19/2011 | CN201714669U 旋转压缩机 Rotary compressor |
| 01/19/2011 | CN201714666U 旋转压缩机 Rotary compressor |
| 01/19/2011 | CN201714665U Stepless pressure regulation type air compressor |
| 01/19/2011 | CN201714664U Semi-closed single-screw air compressor |
| 01/19/2011 | CN201714663U Vortex type automobile air conditioner compressor |
| 01/19/2011 | CN201714662U Scroll air compressor for braking |
| 01/19/2011 | CN201714428U Rotating machine with cylindrical cavity, straight shaft, eccentric rotor and retractable wheel blade |
| 01/19/2011 | CN101952599A Spiral cooling compressor |
| 01/19/2011 | CN101952598A Scroll compressor bodies with scroll tip seals and extended thrust region |