| 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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| 06/10/2004 | US20040107847 Liquid recovery method and system for compression mechanism |
| 06/09/2004 | DE10354718A1 Compressor for motor vehicle has at least one intercooler between two compression stages |
| 06/09/2004 | CN1502815A Wearing-reducing device for vortex compressor |
| 06/08/2004 | US6746224 Scroll compressor |
| 06/08/2004 | US6746216 Scroll compressor with vented oil pump |
| 06/08/2004 | US6746215 Compressor |
| 06/08/2004 | US6745584 Digital scroll condensing unit controller |
| 06/03/2004 | US20040105772 Discharging part structure for compressor |
| 06/03/2004 | US20040105770 Scroll fluid machine |
| 06/03/2004 | US20040104076 Lubricating device of reciprocating compressor |
| 06/03/2004 | DE10317571A1 Thrust ball bearing supporting orbiting rotor of air compressor has modified upper and lower races giving three-point contact with one point on lower race and two points on upper race |
| 06/02/2004 | CN1501036A Refrigerating apparatus |
| 06/02/2004 | CN1500993A Output valve assembly |
| 06/01/2004 | US6743004 Vacuum pump |
| 06/01/2004 | US6742996 Scroll compressor with mechanically actuated capacity control |
| 06/01/2004 | US6742350 Hybrid compressor device |
| 06/01/2004 | CA2290427C Scroll-type fluid displacement apparatus including an eccentric crank mechanism having an elongated shaft |
| 05/27/2004 | WO2004044431A2 Vacuum pump |
| 05/27/2004 | WO2004044428A2 Filtration vessel and method for rotary gas compressor system |
| 05/27/2004 | WO2004043566A2 Distillation with vapour pressurization |
| 05/27/2004 | WO2004043194A2 Hair treatment method |
| 05/27/2004 | US20040100351 Motor protector particularly useful with hermetic electromotive compressors |
| 05/27/2004 | US20040099521 Liquid ring pumps with hermetically sealed motor rotors |
| 05/27/2004 | US20040098996 Alternate flow of discharge gas to a vaporizer for a screw compressor |
| 05/27/2004 | DE10147372B4 Scrollkompressor mit integriertem Motor und kompaktem Kühlsystem Scroll compressor with integrated motor and compact cooling system |
| 05/26/2004 | EP1384006A4 Vane structure for compressor |
| 05/26/2004 | CN2617958Y Slide valve bracket of screw compressor |
| 05/26/2004 | CN1500184A Closed compressor |
| 05/26/2004 | CN1499082A Enclosed compressor |
| 05/26/2004 | CN1499081A Multistage compression type rotary compressor |
| 05/26/2004 | CN1499080A 螺杆式压缩机 Screw compressors |
| 05/25/2004 | US6739847 Structure of check valve with silencing cover |
| 05/25/2004 | US6739841 Oil free screw compressor operating at variable speeds and control method therefor |
| 05/25/2004 | US6739833 Compressor with built-in motor, and mobile structure using the same |
| 05/25/2004 | US6739147 Alternate flow of discharge gas to a vaporizer for a screw compressor |
| 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 | US20040096333 Variable speed oil-injected screw compressors |
| 05/19/2004 | EP1163452B1 Rotary helical screw-type compressor |
| 05/19/2004 | EP1163451B1 Rotary helical screw-type compressor |
| 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 | CN2616717Y Compressor with oil balance tube |
| 05/19/2004 | CN2616716Y Improved roots pump |
| 05/19/2004 | CN1498311A Closed compressor |
| 05/19/2004 | CN1497822A Refrigerating plant |
| 05/19/2004 | CN1497636A Electric machine protector special for hermetically-sealed electric 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 | US6736884 Air/oil separation tank |
| 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 | 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 | US6736609 Support apparatus for movable member and pump apparatus |
| 05/18/2004 | US6736607 Low-pressure gas circuit for a compressor |
| 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 | DE10307803A1 Compressor system has device to measure conductibility of condensate, control unit to regulate conductibility of condensate, and cyclone separators and condensate collecting tank in condensing unit |
| 05/12/2004 | EP1418338A2 Multistage compression type rotary compressor and cooling device |
| 05/12/2004 | EP1418337A2 Scroll type compressor |
| 05/12/2004 | CN2615387Y Closed compressor |
| 05/12/2004 | CN2615386Y Closed compressor |
| 05/12/2004 | CN2615385Y Turbocompressor |
| 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 | CN1495364A Sealed compressor and method for connecting pipe connector to sealed shell |
| 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 | CN1495359A Sealed compressor driven by electric motor |
| 05/12/2004 | CN1149337C 压缩机 Compressor |
| 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 | WO2004038226A1 Compressor |
| 05/06/2004 | WO2004038222A1 Improvements in dry pumps |
| 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 | US20040086409 Screw compressor |
| 05/06/2004 | US20040086396 Water-injected screw compressor |
| 05/06/2004 | EP1416161A2 Screw compressor |
| 05/06/2004 | DE10248926A1 Kompressor Compressor |
| 05/05/2004 | CN2614280Y Pump for oil, water and gas |
| 05/05/2004 | CN1494583A Refrigerator lubricant compositions |
| 05/05/2004 | CN1148547C Refrigeration equipment |
| 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 | WO2004036049A1 Screw pump |
| 04/29/2004 | WO2004036048A1 Condensate elimination in compressor systems |