| 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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| 03/22/2006 | CN1749572A Multiple cylinder compressor |
| 03/22/2006 | CN1749571A Multi-cylinder compressor |
| 03/22/2006 | CN1749570A Compressor |
| 03/22/2006 | CN1749565A Oil level sensor and electric compressor using it |
| 03/22/2006 | CN1246594C Approximate sealed dual head screw |
| 03/22/2006 | CN1246593C Method for connecting pipe connector to sealed shell |
| 03/22/2006 | CN1246592C Device for preventing reversion of vortex compressor |
| 03/22/2006 | CN1246591C Single-screw compressor |
| 03/21/2006 | US7014439 Vane pump having volume variable pump chambers communicatable with inlet and outlet |
| 03/21/2006 | US7014438 Fluid machinery |
| 03/21/2006 | US7014437 Screw compressor |
| 03/21/2006 | US7014427 Capacity controller of capacity variable compressor |
| 03/21/2006 | US7013672 Refrigerant cycling device |
| 03/21/2006 | US7013664 Refrigerant cycling device |
| 03/16/2006 | US20060057011 Oil recycling apparatus for compressor |
| 03/16/2006 | US20060056996 Compressor and driving motor assembly |
| 03/16/2006 | US20060056983 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/16/2006 | US20060056982 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/16/2006 | US20060056981 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/15/2006 | CN1748086A Scroll compressor |
| 03/15/2006 | CN1245600C Defrosting device of refrigerant loop and rotary compressor for refrigerant loop |
| 03/15/2006 | CN1245575C Protective cover mounting device for closed type compressor |
| 03/14/2006 | US7011183 Suction oil injection for rotary compressor |
| 03/14/2006 | US7010936 Method and apparatus for highly efficient compact vapor compression cooling |
| 03/09/2006 | WO2006025745A1 Arrangement and method for treatment of compressed gas |
| 03/09/2006 | WO2006024872A1 Rotary vane vacuum pump |
| 03/09/2006 | US20060051231 Compressor machine with two counter-rotating rotors |
| 03/09/2006 | CA2578123A1 Arrangement and method for treatment of compressed gas |
| 03/08/2006 | CN2763581Y Screw compressor capable of reducing air displacement and keeping unchanged inner volume ratio |
| 03/08/2006 | CN1745252A Scroll compressor |
| 03/08/2006 | CN1743678A Screw profile for high flow high-pressure dual-screw pump |
| 03/08/2006 | CN1743677A Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump |
| 03/08/2006 | CN1743676A Screw profile for high-flow high-pressure three-screw pump |
| 03/08/2006 | CN1743675A Unequal-tooth-number screw profile for high-flow high-pressure three-screw pump |
| 03/08/2006 | CN1244755C Vortex compressor |
| 03/08/2006 | CN1244670C Cooling device |
| 03/07/2006 | US7009318 Electric refrigeration compressor having a cooling system for an electrical circuit |
| 03/07/2006 | US7008201 Gapless screw rotor device |
| 03/07/2006 | US7008200 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 03/07/2006 | US7008199 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 03/07/2006 | US7007505 Refrigerating device |
| 03/07/2006 | US7007503 Oil equalizing system for multiple compressors |
| 03/02/2006 | WO2006022787A2 Method and apparatus for reducing noise in a roots-type blower |
| 03/02/2006 | US20060045761 Oil return tube aligned over motor protector in scroll compressor |
| 03/02/2006 | CA2777189A1 Method and apparatus for reducing noise in a roots-type blower |
| 03/02/2006 | CA2574082A1 Method and apparatus for reducing noise in a roots-type blower |
| 03/01/2006 | EP1630421A2 Lubricant pump of a compressor |
| 03/01/2006 | EP1630420A1 Closed compressor |
| 03/01/2006 | CN2761878Y Geared pump having shock absorber air bag |
| 03/01/2006 | CN2761877Y Axial sealing structure of scroll type compressor |
| 03/01/2006 | CN2761869Y Secondary oil separator of air compressor |
| 03/01/2006 | CN1740572A Low-noise Roots blower |
| 03/01/2006 | CN1740571A Motor compressor lubrication |
| 03/01/2006 | CN1243916C Water-injected screw-type compressor |
| 03/01/2006 | CN1243915C Water-injected screw compressor |
| 02/28/2006 | US7004735 Scroll-type fluid machine having a path to pass and cool the fluid |
| 02/23/2006 | WO2006018620A1 Vacuum pump |
| 02/23/2006 | US20060039805 Variable inner volume ratio-type inverter screw compressor |
| 02/23/2006 | US20060039797 Liquid ring compressor |
| 02/23/2006 | CA2573233A1 System and method to reduce acoustic noise in screw compressors |
| 02/22/2006 | CN2760291Y Rod-free cylinder with anti-freezing device for door system of railroad car |
| 02/22/2006 | CN2760290Y Air conditioner compressor capable of pressure balancing |
| 02/22/2006 | CN2760283Y Water cooling air conditioner compressor housing |
| 02/22/2006 | CN2760282Y Liquid reservoir integrated air conditioner compressor |
| 02/22/2006 | CN1738668A Pressurized vapor cycle liquid distillation |
| 02/22/2006 | CN1737375A Closed type compressor |
| 02/22/2006 | CN1737374A Defroster of refrigerant circuit and rotary compressor |
| 02/22/2006 | CN1243186C 旋转压缩机 Rotary compressor |
| 02/21/2006 | US7001161 Scroll fluid machine |
| 02/16/2006 | WO2005067618A3 Scroll compressor with enlarged vapor injection port area |
| 02/16/2006 | CA2765227A1 Method and apparatus for attenuating compressor noise |
| 02/15/2006 | EP1626178A1 Scroll vacuum pump |
| 02/15/2006 | CN2758531Y High-efficient high-reliable vertical full-closed vortex compressor |
| 02/15/2006 | CN2758530Y 干式螺杆真空泵 Dry screw vacuum pump |
| 02/15/2006 | CN1735449A Filtration vessel and method for rotary gas compressor system |
| 02/15/2006 | CN1734097A Vortex compressor |
| 02/15/2006 | CN1734094A Capacity variable gas compressor |
| 02/15/2006 | CN1242530C Compressor |
| 02/15/2006 | CN1242173C Oil jet for vortex type compressor |
| 02/15/2006 | CN1242172C Twin screw rotors and extrusion machines containing the same |
| 02/15/2006 | CN1242171C Apparatus for reducing friction loss of vortex compressor |
| 02/14/2006 | US6997687 Electric compressor |
| 02/09/2006 | WO2006012710A1 Improved compressor device |
| 02/09/2006 | US20060029510 Motor-driven Roots compressor |
| 02/08/2006 | CN1730946A Vortex compressor with oil returning device for large displacement vehicle |
| 02/08/2006 | CN1240945C Compressor |
| 02/08/2006 | CN1240944C Vortex compressor with gas compensation function |
| 02/08/2006 | CN1240518C Core regulating device for vortex compressor and its core regulating method |
| 02/07/2006 | US6994071 Two-cycle engine for counter-rotation especially for aviation applications |
| 02/01/2006 | EP1552147A4 Hermetic compressor |
| 02/01/2006 | CN2755320Y Small refrigerating compressor with cup casing |
| 02/01/2006 | CN2755319Y Balance structure of multiple combined compressor oil |
| 02/01/2006 | CN1727685A Silencing apparatus in exhaust uptake of compressor |
| 02/01/2006 | CN1727684A Resonator of sealed revolving type compressor in use for air conditione |
| 02/01/2006 | CN1727683A Device for lowering noise of compressor |
| 02/01/2006 | CN1727682A Screw compressor |
| 02/01/2006 | CN1727681A Equilibrium structure of compressor with duplex cylinder |
| 02/01/2006 | CN1727679A Compressor in rolling piston type |
| 02/01/2006 | CN1239827C Vortex compressor manufacture method and apparatus |
| 02/01/2006 | CN1239228C Oil separator for pump overflowing with oil |