Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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08/28/2001 | CA2073056C Rotary fluid engine |
08/23/2001 | WO2001061195A1 Rotary positive-displacement compressor with conical rotors |
08/23/2001 | WO2001061194A1 Screw compressor |
08/23/2001 | WO2001061151A1 Equipment with mutually interacting spiral teeth |
08/23/2001 | US20010016172 Refrigerating cycle or compressor having foreign matter collector |
08/23/2001 | DE10105502A1 Spiralfluidverdrängungsgerät Scroll type fluid displacement apparatus |
08/22/2001 | CN1309279A Air conditioner, outdoor unit and refrigerating unit |
08/21/2001 | US6276911 Screw compressor |
08/21/2001 | US6276910 Scroll-type compressor having an oil groove intersecting the suction port |
08/21/2001 | US6276149 Air conditioner |
08/16/2001 | WO2001059260A1 Fluid displacement pump with backpressure stop |
08/16/2001 | EP1123150A1 Liquid separator for a liquid injected compressor |
08/16/2001 | EP0828940B1 Worm-drive compressor |
08/14/2001 | US6273696 Screw spindle vacuum pump and operating method |
08/14/2001 | US6273692 Scroll-type compressor |
08/14/2001 | US6273691 Scroll gas compressor having asymmetric bypass holes |
08/09/2001 | WO2001057401A1 Drive mechanism for a screw pump |
08/09/2001 | US20010012489 Sealed-type electric compressor having refrigerant passage |
08/09/2001 | DE10062258A1 Air charging system for fuel cells, has water supply mechanism which isolates water from exhaust gas discharged by the fuel cell, and supplies water to the air supply mechanism |
08/09/2001 | DE10004373A1 Antrieb einer Schraubenspindelpumpe Drive a screw pump |
08/09/2001 | CA2398263A1 Drive for a screw pump |
08/08/2001 | EP1122440A1 Method of controlling a process for treating fluids |
08/08/2001 | EP1122439A2 Hermetic compressor assembly |
08/08/2001 | EP1122438A2 Oldham coupling for scroll machine |
08/08/2001 | EP1122437A2 Scroll compressor |
08/08/2001 | EP1122436A2 Horizontal scroll compressor |
08/08/2001 | EP1009590A4 Ergonomically friendly random orbital sander construction |
08/08/2001 | CN2442002Y 旋转式压缩机 Rotary compressor |
08/07/2001 | US6270329 Rotary compressor |
08/07/2001 | US6270328 Interlocking scroll compressor components |
08/07/2001 | CA2063888C Orbiting rotary compressor |
08/07/2001 | CA2063734C Scroll compressor |
08/02/2001 | US20010010800 Displacement type fluid machine |
07/31/2001 | US6267572 Scroll fluid machine having scroll members at each end of a rotating hollow shaft |
07/31/2001 | US6267565 Scroll temperature protection |
07/31/2001 | US6266952 Process for controlling compressors |
07/26/2001 | US20010009593 Thrust ball bearing |
07/26/2001 | US20010009150 Fluid displacement pump with backpressure stop |
07/26/2001 | DE10002557A1 Axialkugellager Thrust ball bearing |
07/25/2001 | EP1118783A2 Thrust ball bearing |
07/25/2001 | EP1117933A1 Vacuum pump |
07/25/2001 | EP1117902A1 Rotary machine |
07/24/2001 | US6264448 Open type compressor |
07/24/2001 | US6264446 Horizontal scroll compressor |
07/24/2001 | US6264445 Scroll compressor drive having a brake |
07/24/2001 | US6264444 Scroll-type compressor having orbital rotating mechanism on the side of movable spiral wall |
07/24/2001 | US6264443 Scroll compressor with integral outer housing and fixed scroll member |
07/19/2001 | WO2001051813A1 A screw compressor injected with water |
07/19/2001 | US20010008610 Displacement type fluid machine |
07/18/2001 | EP0990198A4 Method and apparatus for accurately dispensing liquids and solids |
07/18/2001 | CN1303997A Single-head hinged rolling rotor compressor |
07/17/2001 | US6261073 Rotary compressor having bearing member with discharge valve element |
07/17/2001 | US6261072 Scroll compressor |
07/12/2001 | WO2001049515A1 Car air conditioner and car with its conditioner |
07/12/2001 | WO2001014693B1 A variable volume device and system therefor |
07/12/2001 | DE10064711A1 Asymmetrischer Schneckenverdichter Asymmetric screw compressor |
07/12/2001 | DE10062593A1 Rollkompressor Roll compressor |
07/11/2001 | EP0904494B1 Scroll-type vacuum pumping apparatus |
07/11/2001 | CN2438850Y Full-closed rotary compressor |
07/11/2001 | CN1302957A Compressor |
07/11/2001 | CN1302956A Compressor with parallelly connected multiple cylinders, hinged blades and rolling rotor |
07/11/2001 | CN1302955A Compressor |
07/11/2001 | CN1302954A Conical hub bearing for scroll machine |
07/10/2001 | US6257970 Ergonomically friendly random orbital construction |
07/10/2001 | US6257855 Screw fluid machine |
07/10/2001 | US6257854 Double screw rotor assembly having means to automatically adjust the clearance by pressure difference |
07/10/2001 | US6257851 Generalized minimum diameter scroll component |
07/10/2001 | US6257840 Scroll compressor for natural gas |
07/10/2001 | US6257839 Double screw rotor assembly with electrically controlled clearance adjustment means |
07/10/2001 | US6257195 Internal combustion engine with substantially continuous fuel feed and power output |
07/05/2001 | WO2001048385A1 Screw vacuum pump with a coolant circuit |
07/05/2001 | WO2001048384A1 Screw vacuum pump |
07/05/2001 | WO2001048383A1 Cooled screw vacuum pump |
07/05/2001 | WO2001048381A2 Vacuum pump |
07/05/2001 | US20010006604 Asymmetric scroll compressor |
07/05/2001 | US20010006603 Compressor |
07/04/2001 | CN1301924A Rolling motor compressor with several serial cylinders and hinged blades |
07/04/2001 | CN1301923A Asymmetric whirl compressor |
07/03/2001 | US6254755 Electroplating process for oldham ring and scroll member type compressor comprising the same |
06/28/2001 | WO2001046592A1 Dry compressing vacuum pump having a gas ballast device |
06/28/2001 | DE19963173A1 Screw-type vacuum pump has sleeve located between shafts and associated rotors and with sum of wall thicknesses larger than depth of screw threads, the two sleeves having same wall thickness |
06/28/2001 | DE19963172A1 Screw-type vacuum pump has shaft-mounted rotors each with central hollow chamber in which are located built-in components rotating with rotor and forming relatively narrow annular gap through which flows cooling medium |
06/28/2001 | DE19963171A1 Screw-type vacuum pump used in cooling circuits has guide components located in open bores in shafts serving for separate guiding of inflowing and outflowing cooling medium |
06/28/2001 | DE19962445A1 Dry compressing vacuum pump has gas ballast device with valve that only opens when difference between atmospheric pressure and pressure on pump side of valve exceeds set value |
06/28/2001 | DE10063603A1 Encapsulated electric compressor has refrigerant or coolant channel with first part parallel to rotor shaft and second part connected to first part and extending radially outwards |
06/28/2001 | DE10059275A1 Vacuum pump especially for motor vehicle's servo brake system has rotor or vane consisting of aluminum or aluminum alloy, constructed in one piece, and with rotor manufactured through non-cutting forming |
06/27/2001 | EP1111243A2 Screw vacuum pump |
06/27/2001 | EP1111187A2 Screw machine |
06/27/2001 | CN2436691Y Two-unit synchronous sealed eccentral type air compressor |
06/27/2001 | CN2436690Y Direct joint-type air compressing pump |
06/27/2001 | CN1300904A Screw rod mechanism |
06/26/2001 | US6250899 Rotary compressor |
06/26/2001 | US6250898 Refrigerating cycle or compressor having foreign matter collector |
06/26/2001 | US6250278 Rotary machine |
06/26/2001 | CA2226801C Vane for a rotary compressor |
06/21/2001 | US20010004445 Scroll compressor |
06/20/2001 | EP1108143A1 Dry-compressing screw pump |
06/20/2001 | CN1299930A Toothed screw bolt |
06/20/2001 | CN1299929A Toothed screw bolt |
06/20/2001 | CN1299928A Screw bolt with new type of profile |