| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 05/25/2004 | CA2118526C Method and apparatus for regulating a compressor lubrication system |
| 05/20/2004 | US20040096349 Rotary piston machine for compressible media |
| 05/20/2004 | US20040096338 Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
| 05/19/2004 | EP1163452B1 Rotary helical screw-type compressor |
| 05/19/2004 | EP1163451B1 Rotary helical screw-type compressor |
| 05/19/2004 | EP1068454B1 Screw rotor compressor having a movable wall portion |
| 05/19/2004 | CN2616719Y Shrink ring structure improvement for scroll type compressor |
| 05/19/2004 | CN2616718Y Oil-feeding device for scroll type compressor |
| 05/19/2004 | CN2616715Y Helical-lobe compressor rotor |
| 05/19/2004 | CN1498311A Closed compressor |
| 05/19/2004 | CN1497182A 压缩机 Compressor |
| 05/19/2004 | CN1497181A Service life forcasting method of whirler and manufacturing device with whirler |
| 05/19/2004 | CN1150378C Vortex compressor |
| 05/18/2004 | US6737783 Sealed motor compressor |
| 05/18/2004 | US6736623 Elastically deformable filter positioned so that the pulsating mixture of high pressure refrigerant gas and oil strike filter and flow through; wear resistance, durability |
| 05/18/2004 | US6736622 Scroll compressor with offset scroll members |
| 05/18/2004 | US6736621 Scroll compressor with adjustable capacity |
| 05/18/2004 | US6736620 Scroll-type fluid machine having at least one inlet or outlet of a plurality able to be closed by a closure member |
| 05/18/2004 | US6736604 Control apparatus of variable displacement pump for power steering apparatus |
| 05/13/2004 | WO2004040141A1 Hermetic compressor having a z-plate |
| 05/13/2004 | WO2004040140A1 Compressor |
| 05/13/2004 | US20040092918 Hair treatment method |
| 05/13/2004 | US20040091380 Two-shaft vacuum pump |
| 05/13/2004 | US20040089153 First stage vortex knockout region to remove bulk liquids by imposing centrifugal forces on the gas and liquid mixture; coalescer region located above the knockout region receives the lighter fluids and separates entrained liquids |
| 05/13/2004 | US20040088987 Integrated gas compressor |
| 05/13/2004 | DE10356977A1 Rotary piston compressor has pinion rigidly connected to eccentrically mounted double trochoidal form rotor running in hollow rotor wheel and rotating in opposite direction to eccentric by half angular speed |
| 05/12/2004 | EP1418338A2 Multistage compression type rotary compressor and cooling device |
| 05/12/2004 | EP1418337A2 Scroll type compressor |
| 05/12/2004 | CN2615386Y Closed compressor |
| 05/12/2004 | CN2615385Y Turbocompressor |
| 05/12/2004 | CN2615384Y V shape helical gear type air compressor |
| 05/12/2004 | CN2615383Y Coaxle multi-section adjustable stage helical gear high pressure air compressor |
| 05/12/2004 | CN1496448A Water-injected screw-type compressor |
| 05/12/2004 | CN1496447A Water-injected screw compressor |
| 05/12/2004 | CN1496446A 水平式涡旋压缩机 Horizontal scroll compressor |
| 05/12/2004 | CN1495397A Spiral freezing equipment |
| 05/12/2004 | CN1495396A Air conditioner, outdoor unit and refrigerating unit |
| 05/12/2004 | CN1495363A 真空泵 Vacuum pump |
| 05/12/2004 | CN1495362A 流体泵 Fluid pump |
| 05/12/2004 | CN1495361A Vortex machine with discharge valve |
| 05/12/2004 | CN1149336C Vortex Compressor |
| 05/11/2004 | US6734586 Alternator having vacuum pump capable of improving cooling characteristic |
| 05/11/2004 | US6733723 Method for producing sintered metal and a rotary compressor flange produced by use of the method |
| 05/11/2004 | US6733258 Gas compressor apparatus having a discharge pulsation reducing cooler |
| 05/11/2004 | US6733251 Compressor with built-in motor and mobile structure using the same |
| 05/11/2004 | US6732542 Defroster of refrigerant circuit and rotary compressor |
| 05/06/2004 | WO2004038242A1 Helical rotary compressor |
| 05/06/2004 | WO2004038227A1 Compressor machine with two counter-rotating rotors |
| 05/06/2004 | WO2004038225A1 Compressor |
| 05/06/2004 | US20040088071 Aligner evaluation system, aligner evaluation method, a computer program product, and a method for manufacturing a semiconductor device |
| 05/06/2004 | US20040086411 Compressor-use helical blade and production method therefor, and compressor using this blade |
| 05/06/2004 | US20040086410 Screw compressor having bearings for the drive shaft of the compressor screw and the motor |
| 05/06/2004 | US20040086409 Screw compressor |
| 05/06/2004 | US20040086396 Water-injected screw compressor |
| 05/06/2004 | EP1416161A2 Screw compressor |
| 05/06/2004 | EP1415093A1 Compressor |
| 05/06/2004 | DE10248926A1 Kompressor Compressor |
| 05/05/2004 | CN1148540C Heat pump air conditioner for use in cold districts |
| 05/04/2004 | US6729864 Rotary positive displacement machine |
| 04/29/2004 | WO2004036050A1 Fluid displacement device |
| 04/29/2004 | WO2004036047A1 Rotary piston vacuum pump with washing installation |
| 04/29/2004 | WO2004036046A1 Vane type vacuum pump |
| 04/29/2004 | WO2004036045A1 Variable inner volume ratio-type inverter screw compressor |
| 04/29/2004 | WO2004036044A1 Helical compressor for refrigerating medium |
| 04/29/2004 | US20040081565 Vacuum pump |
| 04/29/2004 | US20040081562 Dual volume-ratio scroll machine |
| 04/29/2004 | US20040081561 Composite type compressor |
| 04/28/2004 | EP1413760A2 Scroll compressor with continuous capacity modulation |
| 04/28/2004 | EP1413759A2 Scroll type compressor |
| 04/28/2004 | EP1413758A2 Scroll compressor oil separator |
| 04/28/2004 | CN1492971A Rotary piston machine for compressible media |
| 04/28/2004 | CN1492151A Gas compressor |
| 04/28/2004 | CN1492150A 螺杆压缩机 Screw compressor |
| 04/27/2004 | US6725644 Combined input and output system for an internal combustion engine and turbine power plant |
| 04/22/2004 | WO2004033917A1 Rotary compressor |
| 04/22/2004 | WO2004033916A1 Rotary compressor |
| 04/22/2004 | WO2004033915A1 Rotary compressor |
| 04/22/2004 | WO2004033913A1 Rotary compressor |
| 04/22/2004 | WO2004033912A1 Roraty compressor |
| 04/22/2004 | WO2004033857A1 Rotary sliding vane compressor |
| 04/22/2004 | US20040076537 Multi-cylinder rotary compressor |
| 04/22/2004 | US20040074256 Expander |
| 04/21/2004 | EP1411309A2 Expander |
| 04/21/2004 | EP1409860A2 Improved rotary machine |
| 04/21/2004 | CN1490526A 真空泵 Vacuum pump |
| 04/20/2004 | US6722867 Rotary compressor for vehicle |
| 04/20/2004 | US6722861 Scroll compressor with motor control for capacity modulation |
| 04/15/2004 | WO2004031585A1 Screw pump and method of operating the same |
| 04/15/2004 | WO2004031528A2 Drilling rig having a compact compressor/pump assembly |
| 04/15/2004 | WO2004030792A2 Compressor systems for use with smokeless lubricant |
| 04/15/2004 | WO2001078872A8 Compressor installation provided with a drying device |
| 04/15/2004 | US20040071578 Water-injected screw-type compressor |
| 04/15/2004 | US20040071577 Rotary compressor |
| 04/15/2004 | US20040071576 Multi-stage compression type rotary compressor and a setting method of displacement volume ratio for the same |
| 04/15/2004 | US20040071571 Scroll compressor |
| 04/15/2004 | US20040071570 Horizontal two stage rotary compressor |
| 04/15/2004 | US20040071562 Horizontal two stage rotary compressor with improved lubrication structure |
| 04/15/2004 | US20040071560 Rotary compressor |
| 04/15/2004 | US20040069010 Refrigerating cycle or compressor having foreign matter collector |
| 04/15/2004 | DE19882900B4 Schraubenrotor-Nassvakuumpumpe Screw rotor wet vacuum pump |