| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 10/14/2009 | CN100549424C 旋转式压缩机 Rotary compressor |
| 10/14/2009 | CN100549423C Screw compressor and operating method thereof |
| 10/14/2009 | CN100549422C Scroll fluid machine |
| 10/14/2009 | CN100549421C Scroll fluid machine |
| 10/14/2009 | CN100549420C Scroll compressor |
| 10/14/2009 | CN100549419C Bottom plate for sealing outer shell |
| 10/13/2009 | US7600986 Filtering device for multistage compression type rotary compressor |
| 10/13/2009 | US7600501 Method for increasing the effect to be produced in a motor, pump or the like |
| 10/08/2009 | WO2009123376A1 Vane compressor having enhanced airtightness |
| 10/08/2009 | WO2009121517A2 A rotary displacement pump with vanes, suitable for operating with scarce or absent lubrication |
| 10/08/2009 | WO2009121250A1 A positive-displacement mechanism for a rotary fluid machine |
| 10/08/2009 | WO2009121151A1 Method for cooling a liquid-injected compressor element and liquid-inject compressor element for applying such a method |
| 10/08/2009 | US20090252627 Compressor Assembly Comprising a Valve Unit in the Intake Region |
| 10/08/2009 | DE202009010390U1 Vorrichtung zum lastunabhängigen Beaufschlagen eines Diesel-Rußpartikelfilters mit Druckluft Apparatus for applying a load-independent diesel particulate filter with compressed air |
| 10/08/2009 | DE10393645B4 Durch mehrere rotationsfeste Elemente verkuppelte Strömungsmaschine mit Vielfachspiralgliedern Through several rotationally fixed elements turbomachine verkuppelte with multiple scroll members |
| 10/08/2009 | DE102009008630A1 Vakuumpumpenflansch Vakuumpumpenflansch |
| 10/07/2009 | EP2107247A1 Rotary compressor |
| 10/07/2009 | EP2106504A1 Vacuum pump with an outlet lip valve |
| 10/07/2009 | CN201321985Y Scroll compressor with oil drainage prevention structure |
| 10/07/2009 | CN201321982Y Directly-connected two-stage vacuum pump |
| 10/07/2009 | CN201321981Y Large-sized semi-enclosed screw type refrigeration compressor |
| 10/07/2009 | CN201321980Y Axial clearance compensation structure of scroll plate of scroll-type automobile air-condition compressor |
| 10/07/2009 | CN201321979Y Scroll compressor with floating seal and high-pressure unloading functions |
| 10/07/2009 | CN201321967Y Rotating plunger oil-well pump with actuating cylinder |
| 10/07/2009 | CN201321966Y Multi-section centering self-rotating oil-well pump |
| 10/07/2009 | CN101553663A A vacuum pump provided with a device for its deactivation |
| 10/07/2009 | CN101550939A Compressor sound attenuation |
| 10/07/2009 | CN101550936A Axial compressor blade retention |
| 10/07/2009 | CN101550935A Twin-screw compressor screw rotor tooth profile |
| 10/07/2009 | CN101550934A Scroll-type fluid machine |
| 10/07/2009 | CN101550933A Scroll compressor |
| 10/07/2009 | CN101550867A Eccentric piston type charging internal combustion engine |
| 10/07/2009 | CN100547318C Air conditioner |
| 10/07/2009 | CN100547245C Plural compressors |
| 10/07/2009 | CN100547244C Screw compressor |
| 10/06/2009 | US7597548 Dual arc vane pump |
| 10/06/2009 | US7597547 Variable capacity rotary compressor |
| 10/01/2009 | WO2009119361A1 Scroll compressor |
| 10/01/2009 | US20090246062 Slide valve actuation for overpressure safety |
| 10/01/2009 | US20090246054 Three-Stage Screw Compressor |
| 09/30/2009 | EP2105613A2 Sealed type scroll compressor |
| 09/30/2009 | EP2105612A2 Scroll compressor |
| 09/30/2009 | EP2005004B1 Compressor assembly comprising a valve unit in the intake region |
| 09/30/2009 | CN201318287Y Oil-free scroll compressor of anti-rotation and flexible mechanism |
| 09/30/2009 | CN101548107A Powder metal scroll hub joint |
| 09/30/2009 | CN101545488A End face tooth form of novel screw compressor |
| 09/30/2009 | CN101545487A Multi-stage rotor pump and manufacturing process thereof |
| 09/30/2009 | CN101545486A Multistage vacuum pump unit and an operation method thereof |
| 09/30/2009 | CN101545485A Rotary air compression device with lateral inlet air |
| 09/30/2009 | CN101545484A Sealed type scroll compressor |
| 09/30/2009 | CN101545483A Scroll compressor |
| 09/30/2009 | CN101543669A Vehicular compressed air foam fire-extinguishing system |
| 09/30/2009 | CN100546149C Permanent magnet type rotary electric machine and compressor using it |
| 09/30/2009 | CN100545458C Variable capacitance rotary compressor |
| 09/30/2009 | CN100545456C Scroll compressor |
| 09/30/2009 | CN100545455C Scroll compressor with vapor injection |
| 09/30/2009 | CN100545454C Compressor |
| 09/29/2009 | US7594803 Orbit control device for a scroll compressor |
| 09/24/2009 | WO2009116791A2 Scroll compressor |
| 09/24/2009 | WO2009116405A1 Refrigerant compressor and refrigeration cycle system |
| 09/24/2009 | WO2009116282A1 Freezing device |
| 09/24/2009 | WO2009116237A1 Freezing device |
| 09/24/2009 | WO2009115854A1 Method of producing vane |
| 09/24/2009 | WO2008152280A3 Variable speed cooling compressor with spirals |
| 09/24/2009 | US20090238710 Multicylindrical rotary compressor, compression system, and freezing device using the compression system |
| 09/24/2009 | US20090238705 Rotary compressor |
| 09/24/2009 | US20090238703 Scroll compressor |
| 09/24/2009 | US20090237659 High Throughput Particle Counter |
| 09/23/2009 | EP2103809A1 Scroll fluid machine |
| 09/23/2009 | EP2103808A2 Scroll compressor |
| 09/23/2009 | CN101542125A Fluid machine |
| 09/23/2009 | CN101542124A Scroll machine having improved discharge valve assembly |
| 09/23/2009 | CN101539147A Unloading cylinder and rotary compressor using same |
| 09/23/2009 | CN101539146A Capacity variable rotary compressor and air-conditioning circulatory system |
| 09/23/2009 | CN101539145A Scroll compressor |
| 09/23/2009 | CN101539144A Scroll compressor |
| 09/23/2009 | CN101539143A Scroll compressor |
| 09/23/2009 | CN101539142A Scroll compressor |
| 09/23/2009 | CN101539141A Scroll compressor |
| 09/23/2009 | CN100543309C Multi-cylindrical rotary compressor |
| 09/23/2009 | CN100543308C Lubricating-free screw compressor |
| 09/23/2009 | CN100543307C Scroll compressor |
| 09/22/2009 | US7591640 Three gear type gear pump of a fuel supply system |
| 09/17/2009 | WO2009017355A3 Valve assembly and compressor having the same |
| 09/17/2009 | US20090232691 Low-pressure screw compressor |
| 09/17/2009 | US20090232689 Supercharger with outlet bars for rotor tip seal support |
| 09/17/2009 | US20090232670 Compressor muffler |
| 09/17/2009 | US20090229787 Generator using gravitational and geothermal energy |
| 09/17/2009 | US20090229302 Multi stage rotary expander and refrigeration cycle apparatus with the same |
| 09/17/2009 | DE102007014542B4 Drehkolbengebläse mit einem Gehäuse Rotary blowers with a housing |
| 09/16/2009 | EP2100009A1 System for sealing the piston of rotary piston machines |
| 09/16/2009 | CN201310467Y Rotary type compressor for refrigeration air conditioner |
| 09/16/2009 | CN201310466Y Vacuum pump |
| 09/16/2009 | CN201310465Y Vacuum pump |
| 09/16/2009 | CN201310464Y Scroll compressor with air supplementing structure |
| 09/16/2009 | CN101535650A Compressor |
| 09/16/2009 | CN101532493A Rotary compressor |
| 09/16/2009 | CN101532492A Tempering method for a screw-type vacuum pump |
| 09/16/2009 | CN101532491A Scroll compressor |
| 09/16/2009 | CN100540904C System for controlling compressor of cooling system and method for controlling the same |