| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 04/10/2001 | US6213741 Scroll type compressor |
| 04/10/2001 | US6213732 Rotary compressor |
| 04/10/2001 | US6213731 Compressor pulse width modulation |
| 04/05/2001 | WO2001023761A1 Scroll-type compressor or vacuum pump |
| 04/05/2001 | WO2001023137A1 Ergonomically friendly random orbital sander construction |
| 04/05/2001 | DE10046686A1 Compressor-regenerator combination for fuel cell has compression, regeneration stages with common drive source, adjacent chambers, sealing keeping exhaust gas from compression chamber |
| 04/05/2001 | DE10040977A1 Compressor-regenerator combination for fuel cell has displacement compression and regenerative mechanism parts connected to fuel cell delivery and gas output sides respectively |
| 04/04/2001 | EP1088646A1 Compressor rotor and method of fabrication thereof |
| 04/04/2001 | EP1088168A1 Two stage compressor and a method for cooling such a compressor |
| 04/04/2001 | CN1290329A Scroll type fluid machinery |
| 04/04/2001 | CN1289896A Improvement of partial load performance of speed variable helical-lobe compressor |
| 04/03/2001 | US6210136 Scroll compressor and method for manufacturing an oldham ring therefor |
| 04/03/2001 | US6210132 Partition means for directing air flow over a cooler in an oilless scroll compressor |
| 04/03/2001 | US6210130 Rotary compressor, refrigerating cycle using the compressor, and refrigerator using the compressor |
| 04/03/2001 | US6210120 Low charge protection vent |
| 04/03/2001 | US6210119 Reverse rotation detection compressors with a preferential direction of rotation |
| 04/03/2001 | CA2178881C Scroll type fluid machine |
| 03/29/2001 | WO2001022009A1 Multi-stage compression refrigerating device |
| 03/29/2001 | WO2001022008A1 Multi-stage compression refrigerating device |
| 03/29/2001 | WO2001021958A1 Screw compressor and refrigerator |
| 03/28/2001 | EP1087185A1 Improved part load performance of variable speed screw compressor |
| 03/28/2001 | EP1087142A2 Scroll compressor capacity control |
| 03/28/2001 | EP1087141A2 Scroll-type compressor |
| 03/28/2001 | CN1289012A Co-cycloidal rotor machine |
| 03/28/2001 | CN1289011A Pulse-width modulation of compressor |
| 03/28/2001 | CA2318012A1 Compressor and regenerator for fuel cell |
| 03/28/2001 | CA2314704A1 Compression regenerative machine for fuel cell |
| 03/27/2001 | US6206668 Fluid machine |
| 03/27/2001 | US6206665 Rotation inhibiting mechanism for movable scroll of scroll type fluid machine |
| 03/27/2001 | US6206661 Hermetic compressor |
| 03/27/2001 | US6205808 Prevention of oil backflow from a screw compressor in a refrigeration chiller |
| 03/23/2001 | CA2320461A1 Automotive vacuum pump |
| 03/22/2001 | DE19946623C1 Verfahren zur Herstellung eines Rotors für einen Verdichter A method for manufacturing a rotor for a compressor |
| 03/21/2001 | EP1085211A2 Discharge valve for a compressor |
| 03/21/2001 | EP1084348A1 Rotary piston blower |
| 03/21/2001 | EP1083818A1 Quiet vacuum cleaner using a vacuum pump with a lobed chamber |
| 03/21/2001 | CN1063528C Vortex compressor |
| 03/20/2001 | US6203301 Fluid pump |
| 03/20/2001 | US6203298 Entrapped separator plate for scroll compressor |
| 03/20/2001 | US6203297 Fluid flow device with improved cooling system and method for cooling a vacuum pump |
| 03/20/2001 | US6202438 Compressor economizer circuit with check valve |
| 03/20/2001 | US6202428 Air conditioner |
| 03/15/2001 | WO2001018461A1 Prevention of oil backflow from a screw compressor in a refrigeration chiller |
| 03/15/2001 | WO2001018399A1 Screw vacuum pump, comprising screw threads with a changing gradient |
| 03/14/2001 | CN1287225A Rotary displacement fluid conveying and transmitting mechanism |
| 03/13/2001 | US6200116 Vacuum pumps |
| 03/13/2001 | US6200115 Scroll type compressor and rotation preventing mechanism used in the same |
| 03/08/2001 | WO2001016490A1 Internal intermediate pressure 2-stage compression type rotary compressor |
| 03/08/2001 | WO2001016485A1 Closed motor-driven compressor |
| 03/08/2001 | DE19941787A1 Schraubenvakuumpumpe mit Schraubengängen mit sich verändernder Steigung Screw vacuum pump with screw threads with varying slope |
| 03/07/2001 | EP1081384A2 Scroll compressor with a discharge valve |
| 03/07/2001 | EP1081383A2 Rotary compressor |
| 03/07/2001 | EP0885358B1 Rotary piston pump |
| 03/07/2001 | CN1286359A Two-cylinder two-stage compressing rotating compressor |
| 03/07/2001 | CN1286358A Protection of swirl temp. |
| 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 |
| 03/01/2001 | WO2001014693A1 A variable volume device and system therefor |
| 02/28/2001 | EP1079111A2 Scroll temperature protection |
| 02/28/2001 | CN2421430Y Trochoid rotor machine |
| 02/28/2001 | CN1285893A Rotary positive-displacement machines |
| 02/28/2001 | CN1062646C Closed vortex compressor and method for assembling same |
| 02/27/2001 | US6193491 Rotors for screw compressor |
| 02/27/2001 | US6193489 Shaft assembly mechanism for scroll compressor |
| 02/27/2001 | US6193488 Scroll type 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 | CN2420445Y Air compressing pump |
| 02/21/2001 | CN1284608A Refrigerant compressor |
| 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 | US6190147 Rotation balancing mechanism for orbiting scrolls of scroll-type compressors |
| 02/20/2001 | US6190146 Member for compressor, manufacturing method for the member, and scroll compressor |
| 02/20/2001 | US6190145 Scroll fluid machine |
| 02/20/2001 | US6189335 Multi-stage compressing refrigeration device and refrigerator using the device |
| 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 | CN1283748A Single rotor expansion press able to replace two-phase flow throttle valve |
| 02/14/2001 | CN1062056C Package-type screw compressor |
| 02/13/2001 | US6186759 Helical blade type compressor and a refrigeration cycle apparatus using the same |
| 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 | US6186754 Compressor having thrust bearing mechanism |
| 02/13/2001 | US6185956 Single rotor expressor as two-phase flow throttle valve replacement |
| 02/08/2001 | DE19935041A1 Schraubenverdichter Screw compressor |
| 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 | EP1073845A1 Positive displacement machine |
| 02/07/2001 | CN1061743C Rotative compressor |