| Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436) |
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| 08/11/2010 | CN101487461B Fit structure for case cover and case body of refrigeration compressor air suction silencer |
| 08/10/2010 | US7771174 Reciprocating slurry pump with a continuous feed rate |
| 08/05/2010 | WO2010087437A1 Air pump |
| 08/05/2010 | WO2010087436A1 Air pump |
| 08/05/2010 | US20100196170 System and method for monitoring and controlling oil return to compressor |
| 08/05/2010 | DE10203578B4 Kolbenunterstützungsstruktur eines Kolbenverdichters Piston support structure of a reciprocating compressor |
| 08/05/2010 | DE102009000424A1 Compressor for refrigerant, particularly reciprocating compressor of refrigeration cycle of household refrigeration appliance of refrigeration unit, has compressor housing with suction connection, and compression device has suction opening |
| 08/04/2010 | EP2214294A1 Bus bar structure and inverter-integrated type electric compressor |
| 08/04/2010 | EP2212557A1 A compressor |
| 08/04/2010 | EP2212555A2 Linear compressor |
| 08/04/2010 | EP1813663B1 Sliding member and process for producing sliding member |
| 08/04/2010 | CN201539554U Piston ring without oil |
| 08/04/2010 | CN201539391U Gas-liquid separation device |
| 08/04/2010 | CN201539390U Pipeline system of oil-water separator of air compression mechanism |
| 08/04/2010 | CN201539389U Compressor cylinder |
| 08/04/2010 | CN201539388U Vacuum pump and vacuum cosmetic container adopting vacuum pump |
| 08/04/2010 | CN201539386U Machine head box of small portable air compressor |
| 08/04/2010 | CN201539384U Reciprocating piston oil-free air compressor |
| 08/04/2010 | CN101796297A Compact dry-running piston compressor |
| 08/04/2010 | CN101793321A H type machine body used for reciprocating-rotation movement mutual conversion mechanism and equipment thereof |
| 08/04/2010 | CN101793320A Piston used for end shaft-movable shaft mechanism, end shaft-movable shaft mechanism and equipment |
| 08/04/2010 | CN101791641A Method of calibrating a connecting rod arrangement and connecting rod arrangement |
| 08/04/2010 | CN101270743B Compressor improvements |
| 08/04/2010 | CN101196183B Refrigerant compressor |
| 08/04/2010 | CN101059128B Muffling filtering and load-reducing valve for air compressor |
| 08/03/2010 | US7766631 Piston pump |
| 07/29/2010 | WO2010085041A2 Hermetic compressor |
| 07/29/2010 | WO2010084177A1 Compressor, in particular a radial piston compressor for carbon dioxide as a refrigerant |
| 07/29/2010 | WO2010084071A1 Piston having piston rings and support rings |
| 07/29/2010 | US20100189581 Unloader system and method for a compressor |
| 07/29/2010 | US20100189579 Pneumatic component |
| 07/29/2010 | US20100186585 Piston-and-Cylinder Assembly with a Variable Diametral Clearance, and a Cylinder for Use in a Piston-and-Cylinder Assembly with a Variable Diametral Clearance |
| 07/29/2010 | DE102009006040A1 Verdichter Compressor |
| 07/28/2010 | EP2209993A2 Actively controlled valve and method of operating said valve |
| 07/28/2010 | CN1878959B Hermetic compressor |
| 07/28/2010 | CN101790643A Molded plug for a compressor |
| 07/28/2010 | CN101787966A Novel labyrinth compressor packing |
| 07/28/2010 | CN101253327B Multi-cylinder, dry-running piston compressor comprising a cooling air flow |
| 07/27/2010 | US7762797 Pump |
| 07/27/2010 | US7762796 Pump valve with controlled stroke |
| 07/27/2010 | US7762789 Compressor with flow control sensor |
| 07/22/2010 | WO2010021602A3 Pumping equipment |
| 07/22/2010 | WO2009088179A3 Reciprocating compressor |
| 07/22/2010 | US20100183463 Piston for a refrigeration compressor |
| 07/22/2010 | DE112007003679T5 Feuchtigkeits-Konditionierungs-Luft-System für pneumatisch betriebene Vorrichtungen Moisture-conditioning system for air-pneumatically operated devices |
| 07/22/2010 | DE102008050986B4 Kältemittelkompressoranordnung Refrigerant compressor assembly |
| 07/21/2010 | EP2207962A1 Coolant compressor |
| 07/21/2010 | EP2207961A1 Linear compressor |
| 07/21/2010 | CN201531395U Self-condensation gas-water separation device for water ring vacuum pump unit |
| 07/21/2010 | CN201531394U Air compressor central water heating system |
| 07/21/2010 | CN201531393U Combination type air compressor frame |
| 07/21/2010 | CN201531392U Connection structure of piston and connection rod of sealed compressor |
| 07/21/2010 | CN201531390U Vehicle-use double-piston electronic vacuum pump |
| 07/21/2010 | CN201529463U Gas-liquid separator and compressor comprising same |
| 07/21/2010 | CN101784794A Compressor hermetic terminal |
| 07/21/2010 | CN101782059A Integrated drainage valve |
| 07/21/2010 | CN101354026B Hermetic compressor |
| 07/21/2010 | CN101165347B Water-injected compressor |
| 07/20/2010 | US7758539 Compact vacuum pump |
| 07/20/2010 | US7758320 Two-stage hydrodynamic pump and method |
| 07/20/2010 | US7758319 Integral filter and float for an electromagnetic pump |
| 07/20/2010 | US7758318 Hermetic compressor |
| 07/20/2010 | CA2537150C Compact compressor |
| 07/15/2010 | WO2010081148A2 Apparatuses, systems, and methods for improved performance of a pressurized system |
| 07/15/2010 | WO2010080984A2 Compressor having terminal plug assembly |
| 07/15/2010 | WO2010080963A2 Multi-piece connecting rod |
| 07/15/2010 | WO2010080961A2 Connecting rod without wrist pin |
| 07/15/2010 | WO2010080625A2 Suction port lock nut with stub buttress threads |
| 07/15/2010 | WO2010080040A1 A device for liquid treatment when compressing a well flow |
| 07/15/2010 | WO2010079894A2 Reciprocating compressor and refrigerating apparatus having the same |
| 07/15/2010 | WO2010079885A2 Reciprocating compressor and refrigerating machine having the same |
| 07/15/2010 | WO2010078739A1 A multi-cylinder translation compression device |
| 07/15/2010 | WO2010078637A1 Method and equipment for improving the efficiency of compressors and refrigerators |
| 07/15/2010 | WO2010057283A4 Protection and startup integrated combo for airtight refrigeration compressor |
| 07/15/2010 | WO2009051371A3 Reciprocompressor |
| 07/15/2010 | DE102009058927A1 Oszillierende Verdrängervakuumpumpe Reciprocating positive displacement |
| 07/15/2010 | CA2749110A1 Connecting rod without wrist pin |
| 07/15/2010 | CA2747714A1 Apparatuses, systems, and methods for improved performance of a pressurized system |
| 07/15/2010 | CA2747705A1 Suction port lock nut with stub buttress threads |
| 07/14/2010 | EP2206922A1 Inverter-integrated electric compressor |
| 07/14/2010 | EP2206921A1 Terminal device for electric compressor |
| 07/14/2010 | EP2206918A1 Oscillating displacement vacuum pump |
| 07/14/2010 | CN201526439U Quick puller |
| 07/14/2010 | CN201526438U Cylinder body for compressors |
| 07/14/2010 | CN201526437U Valve piece for compressors |
| 07/14/2010 | CN201526436U Valve plate for compressors |
| 07/14/2010 | CN201526435U Cooling structure for straight connecting type air compressor crane case |
| 07/14/2010 | CN201526434U Piston for compressors |
| 07/14/2010 | CN201526433U Compressor silencer |
| 07/14/2010 | CN201526432U 智能型气泵 Smart Pump |
| 07/14/2010 | CN201526431U Vacuum pump oil return preventing device used for transformer maintenance |
| 07/14/2010 | CN201526430U Filler component of reciprocating piston compressor |
| 07/14/2010 | CN201526429U Reciprocating piston compressor |
| 07/14/2010 | CN201524517U Three-tower adsorption type compressed air dryer |
| 07/14/2010 | CN1769672B Hermetic compressor |
| 07/14/2010 | CN101779039A Fluid machine and refrigeration cycle device |
| 07/14/2010 | CN101776062A Movable device for preparing clean compressed gas |
| 07/14/2010 | CN101776061A Piston valve air suction non-lubricated air compressor |
| 07/14/2010 | CN101776060A Cooling device for vacuum pump of solar-cell automatic welding machine |
| 07/14/2010 | CN101776059A Structure for improving efficiency of piston type air compressor |