| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 09/19/2001 | CN1313470A Volume fluid machine |
| 09/19/2001 | CN1071419C Vortex fluid machinery |
| 09/19/2001 | CN1071418C Scroll machine with reverse rotation protection |
| 09/19/2001 | CN1071416C Eddy compression engine |
| 09/18/2001 | US6290472 Rotary compressor with vane body immersed in lubricating fluid |
| 09/18/2001 | CA2224747C Combination valve for screw compressors |
| 09/16/2001 | CA2313560A1 Capacity control of compressors |
| 09/16/2001 | CA2310871A1 Capacity control of compressors |
| 09/15/2001 | CA2302870A1 Poly-induction energy-efficient motor |
| 09/13/2001 | US20010021349 Oil free screw compressor |
| 09/12/2001 | EP1132621A1 Screw compressor and refrigerator |
| 09/11/2001 | US6287099 Scroll compressor |
| 09/11/2001 | US6287098 Muffler for rotary compressor |
| 09/11/2001 | US6287089 Scroll compressor with heat shield |
| 09/11/2001 | US6287088 Oil free screw compressor |
| 09/11/2001 | US6287084 Compressor assembly |
| 09/11/2001 | US6287082 Liquid ring pump |
| 09/11/2001 | US6286334 Refrigerant compressor and refrigerating apparatus |
| 09/06/2001 | DE10008811A1 Fluid ring pump has at least one running wheel circulating in work space housing and control component with at least one pressure and suction aperture |
| 09/05/2001 | EP1130265A2 Sealed compressor using hot oil to actuate protection switch |
| 09/05/2001 | EP1129294A1 Scroll-type fluid displacement device for vacuum pump application |
| 09/05/2001 | CN1311397A Compressor with control and protection system |
| 09/04/2001 | US6283738 Package-type scroll compressor |
| 09/04/2001 | US6283737 Oiless rotary scroll air compressor antirotation assembly |
| 09/04/2001 | US6283729 Closed compressor having a compression mechanism holder and method of assembling same |
| 09/04/2001 | CA2119389C Quieted air compressor |
| 08/30/2001 | WO2001063128A1 Scroll compressor equipped with an inlet deflector |
| 08/30/2001 | US20010018025 Hybrid type compressor driven by engine and electric motor |
| 08/29/2001 | EP1128068A2 Liquid ring pump |
| 08/29/2001 | EP1128067A1 Method for controlling a compressor installation and compressor installation controlled in this manner |
| 08/29/2001 | CN1310301A Sealed compressor with hot oil-operated protection switch |
| 08/29/2001 | CN1070267C Vortex-type compressor |
| 08/29/2001 | CN1070266C Scroll type fluid machine |
| 08/28/2001 | US6280166 Compressor having a valve mechanism of relatively high accuracy |
| 08/28/2001 | US6280165 Scroll type fluid machine |
| 08/28/2001 | US6280155 Discharge manifold and mounting system for, and method of assembling, a hermetic compressor |
| 08/28/2001 | US6280154 Scroll compressor |
| 08/28/2001 | US6280153 Suction gas conduit for a refrigeration compressor |
| 08/28/2001 | US6280146 Sealed compressor using hot oil to actuate protector switch |
| 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 |
| 08/22/2001 | CN2444071Y Oil stopping cap for vacuum pump |
| 08/22/2001 | CN2444069Y Warm keeping pump with internal tooth for asphalt |
| 08/22/2001 | CN1309279A Air conditioner, outdoor unit and refrigerating unit |
| 08/21/2001 | US6276910 Scroll-type compressor having an oil groove intersecting the suction port |
| 08/21/2001 | US6276149 Air conditioner |
| 08/16/2001 | US20010014293 Compressor with scroll compression mechanism |
| 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 | US6273693 Screw compressor |
| 08/14/2001 | US6273692 Scroll-type compressor |
| 08/14/2001 | US6273395 Electronically actuated suction control valve assembly |
| 08/09/2001 | WO2001057401A1 Drive mechanism for a screw pump |
| 08/09/2001 | US20010012489 Sealed-type electric compressor having refrigerant passage |
| 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 | EP1122437A2 Scroll compressor |
| 08/08/2001 | EP1122436A2 Horizontal scroll compressor |
| 08/08/2001 | EP1121533A1 Liquid ring pump |
| 08/08/2001 | CN2442002Y 旋转式压缩机 Rotary compressor |
| 08/08/2001 | CN1069456C Guiding package |
| 08/07/2001 | US6270329 Rotary compressor |
| 08/07/2001 | US6270328 Interlocking scroll compressor components |
| 08/07/2001 | CA2063888C Orbiting rotary compressor |
| 08/02/2001 | US20010010800 Displacement type fluid machine |
| 08/01/2001 | EP1120568A2 Gas compressor |
| 07/31/2001 | US6267573 Slider block hard stop |
| 07/31/2001 | US6267572 Scroll fluid machine having scroll members at each end of a rotating hollow shaft |
| 07/26/2001 | WO2001053757A1 Oil amount detector, refrigeration apparatus and air conditioner |
| 07/25/2001 | EP1117933A1 Vacuum pump |
| 07/25/2001 | CN1305569A Gelt driven fluid compressor with self-adjusting belt tensioning device |
| 07/24/2001 | US6264452 Reinforcement pin for check valve |
| 07/24/2001 | US6264448 Open type compressor |
| 07/24/2001 | US6264446 Horizontal scroll compressor |
| 07/24/2001 | US6264443 Scroll compressor with integral outer housing and fixed scroll member |
| 07/19/2001 | WO2001051814A1 Cooling gas in a rotary screw type pump |
| 07/19/2001 | WO2001051813A1 A screw compressor injected with water |
| 07/19/2001 | US20010008610 Displacement type fluid machine |
| 07/18/2001 | EP1115980A1 Lobed rotary compressor |
| 07/17/2001 | US6261073 Rotary compressor having bearing member with discharge valve element |
| 07/12/2001 | DE10063602A1 Compressor has spiral compression device with bearing box, sealing element for air-tight separation of rear volume and fluid suction side of compression unit |
| 07/11/2001 | CN1302954A Conical hub bearing for scroll machine |
| 07/10/2001 | US6257846 Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casing |
| 07/10/2001 | US6257840 Scroll compressor for natural gas |
| 07/10/2001 | US6257837 Variable oil flow regulator and method therefor |
| 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 |
| 07/04/2001 | EP1113173A2 Internal oil separator for compressors of refrigeration system |
| 07/04/2001 | CN1301944A Internal oil separator for refrigeration system compressor |
| 07/03/2001 | US6254365 Compressor |
| 07/03/2001 | US6254362 Vacuum pump with dust collecting function |
| 06/30/2001 | CA2310160A1 Internal oil separator for compressors of refrigeration system |
| 06/28/2001 | WO2000077399A3 Hermetic motor-driven compressor |
| 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 |