| 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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| 03/29/2001 | WO2001021958A1 Screw compressor and refrigerator |
| 03/29/2001 | DE19945871A1 Schraubenpumpe, insbesondere Schraubenvakuumpumpe, mit zwei Pumpstufen Screw pump, in particular screw vacuum pump with two pumping stages |
| 03/28/2001 | EP1087190A1 Lubrication system for screw compressors using an oil still |
| 03/28/2001 | EP1087185A1 Improved part load performance of variable speed screw compressor |
| 03/28/2001 | EP1087142A2 Scroll compressor capacity control |
| 03/28/2001 | CN1289011A Pulse-width modulation of compressor |
| 03/27/2001 | US6206661 Hermetic compressor |
| 03/27/2001 | US6205808 Prevention of oil backflow from a screw compressor in a refrigeration chiller |
| 03/22/2001 | DE19945095A1 Arrangement for compressing and drying atmospheric air comprises a compressor and a membrane dryer with a pressurized air channel and a rinsing air channel connected on the inlet side to the air inlet of the compressor |
| 03/21/2001 | EP1085211A2 Discharge valve for a compressor |
| 03/21/2001 | CN1063528C Vortex compressor |
| 03/20/2001 | US6203300 Scroll compressor with structure for preventing reverse rotation |
| 03/20/2001 | US6203297 Fluid flow device with improved cooling system and method for cooling a vacuum pump |
| 03/20/2001 | US6203290 Closed-typed electrically-driven compressor |
| 03/20/2001 | US6203287 Fluid compressor with airflow manifold that includes means for discharging particulated matter from the compressor and method |
| 03/20/2001 | US6202438 Compressor economizer circuit with check valve |
| 03/20/2001 | US6202428 Air conditioner |
| 03/20/2001 | US6202424 System for compressing contaminated gas |
| 03/15/2001 | WO2001018461A1 Prevention of oil backflow from a screw compressor in a refrigeration chiller |
| 03/15/2001 | WO2001018400A1 Compressor system and method for compressing a gas |
| 03/14/2001 | EP1083377A1 Vibration isolation device and fluid connection |
| 03/13/2001 | US6200116 Vacuum pumps |
| 03/08/2001 | WO2001016490A1 Internal intermediate pressure 2-stage compression type rotary compressor |
| 03/08/2001 | WO2001016485A1 Closed motor-driven compressor |
| 03/08/2001 | DE19942265A1 Verdichteranlage und Verfahren zur Verdichtung eines Gases Compressor system and method for compressing a gas |
| 03/07/2001 | EP1081384A2 Scroll compressor with a discharge valve |
| 03/07/2001 | EP1081383A2 Rotary compressor |
| 03/07/2001 | CN1286359A Two-cylinder two-stage compressing rotating compressor |
| 03/06/2001 | US6196817 Compresser with lubricating oil control |
| 03/06/2001 | US6196816 Unequal injection ports for scroll compressors |
| 03/06/2001 | US6196815 Scroll-type fluid apparatus in which a discharge valve has a reduced rigidity and uniform distribution of bending stress |
| 03/06/2001 | US6196814 Positive displacement pump rotatable in opposite directions |
| 03/06/2001 | US6196810 Multistage vacuum pump assembly |
| 03/06/2001 | US6195889 Method to set slot width in a rotary compressor |
| 02/28/2001 | EP1078165A1 Spiral compressor |
| 02/27/2001 | US6193489 Shaft assembly mechanism for scroll compressor |
| 02/27/2001 | US6193487 Scroll-type fluid displacement device for vacuum pump application |
| 02/27/2001 | US6193486 Package-type scroll compressor |
| 02/27/2001 | US6193485 Seal structure for casing |
| 02/21/2001 | EP1076760A1 Rotating piston machine with three-blade rotors |
| 02/21/2001 | CN1284608A Refrigerant compressor |
| 02/21/2001 | CN1062338C 供水系统 Water supply system |
| 02/21/2001 | CN1062337C Machanism for preventing self-rotating for vartex compressor |
| 02/20/2001 | US6190149 Vacuum pump oil distribution system with integral oil pump |
| 02/20/2001 | US6190148 Scroll-type fluid displacement device having sliding surface thrust bearing |
| 02/20/2001 | US6190145 Scroll fluid machine |
| 02/15/2001 | WO2001011239A2 Vacuum pump aggregate |
| 02/15/2001 | DE19937704A1 Vakuumpumpenaggregat Vacuum pump unit |
| 02/15/2001 | DE19936644A1 Elektrische Luftpumpe für Kraftfahrzeuge Electric air pump for motor vehicles |
| 02/14/2001 | EP1075601A1 Vacuum pump |
| 02/14/2001 | CN1283749A Multicylinder rotary compressor |
| 02/14/2001 | CN1062056C Package-type screw compressor |
| 02/13/2001 | US6186758 Multi-rotor helical-screw compressor with discharge side thrust balance device |
| 02/13/2001 | US6186756 Shaft structure in screw rotor of screw fluid assembly |
| 02/13/2001 | US6186755 Scroll fluid machine having a heat pipe inside the drive shaft |
| 02/13/2001 | US6186753 Apparatus for minimizing oil leakage during reverse running of a scroll compressor |
| 02/13/2001 | US6186556 Enclosed type compressor and its manufacturing method |
| 02/13/2001 | US6185949 Digital control valve for refrigeration system |
| 02/07/2001 | EP1075074A2 Gas transfer machine |
| 02/07/2001 | EP1074743A2 Electrical motor driven air pump for vehicles |
| 02/07/2001 | EP1074742A2 Multi-cylinder rotary compressor |
| 02/07/2001 | CN1283254A Cooling device |
| 02/07/2001 | CN1061743C Rotative compressor |
| 02/06/2001 | US6183227 Screw compressor |
| 02/06/2001 | US6183218 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
| 02/06/2001 | US6183205 Inverter-controlled sealed compressor |
| 02/06/2001 | US6182794 Oil suction device for hermetically sealed compressor |
| 02/06/2001 | US6182467 Lubrication system for screw compressors using an oil still |
| 02/01/2001 | WO2001007788A1 Lobed rotary compressor |
| 02/01/2001 | DE10031183A1 Spiralkompressor Scroll compressor |
| 01/31/2001 | EP0828941B1 Variable-displacement screw-type compressor |
| 01/31/2001 | CN1281950A Positive displacement fluid machinery |
| 01/30/2001 | US6179592 Reverse rotation flank separator for a scroll compressor |
| 01/30/2001 | US6179591 Conical hub bearing for scroll machine |
| 01/30/2001 | US6179590 Scroll fluid apparatus having axial adjustment mechanisms for the scrolls |
| 01/30/2001 | US6179589 Scroll machine with discus discharge valve |
| 01/30/2001 | US6179588 Check valve device for a scroll machine |
| 01/30/2001 | US6179581 Pump connection to drive shaft |
| 01/24/2001 | EP1070848A1 Positive displacement machine for compressible fluids |
| 01/24/2001 | EP1070210A1 Belt driven fluid compressor with self-adjusting belt tensioning device |
| 01/24/2001 | CN1061132C Vortex compressor |
| 01/23/2001 | US6176693 Volumetric blower with covers having a duct for connection to the delivery manifold |
| 01/23/2001 | US6176687 Resonator for rotary compressor |
| 01/23/2001 | US6176685 Scroll compressor in which communication is controlled between adjacent compression spaces |
| 01/18/2001 | DE19932626A1 Compression process for gases, involving supplying heat exchanger with thermal energy from gas and including cooler after heat exchanger |
| 01/17/2001 | CN1280251A Silencer for scroll compressor exhaust gas |
| 01/16/2001 | USRE37019 Refrigeration compressor |
| 01/16/2001 | US6174150 Scroll compressor |
| 01/16/2001 | US6174149 Scroll compressor with captured counterweight |
| 01/16/2001 | US6174148 Water jet type air compressor system, its starting method, and water quality control method thereof |
| 01/11/2001 | WO2001002731A1 Delivery valve for scroll-type compressor |
| 01/10/2001 | EP1067341A2 Apparatus having a refrigeration circuit |
| 01/10/2001 | EP1067289A2 Scroll compressor discharge muffler |
| 01/10/2001 | EP1066472A1 Liquid ring pump |
| 01/10/2001 | CN1279386A Refrigerant compressor and refrigerator equipped therewith |
| 01/10/2001 | CN1279356A Closed rotary compressor |
| 01/09/2001 | US6171090 Compressor having a lubricant pick-up tube guard |
| 01/09/2001 | US6171087 Compressor and its assembling method |
| 01/09/2001 | US6171086 Scroll compressor with pressure equalization groove |
| 01/09/2001 | US6171084 Discharge valve |