| Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
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| 01/19/2005 | EP1027538B1 Piston pump |
| 01/19/2005 | CN2672323Y Spring reset inclined well oil pump fixed valve |
| 01/19/2005 | CN2672322Y Screw pump anti-slip device |
| 01/19/2005 | CN2672321Y Super high pressure radial plunger pump without outer casing |
| 01/19/2005 | CN2672319Y Self compensation low friction resistance plunger pump |
| 01/19/2005 | CN1566667A Apparatus for mounting piston of rotary disc type compressor |
| 01/19/2005 | CN1566666A Connecting rod fixing device for hermetic compressor |
| 01/19/2005 | CN1566665A Connection structure of piston and connecting rod for hermetic compressor |
| 01/19/2005 | CN1566664A Mechanical part of lock for dual capacity compressor |
| 01/19/2005 | CN1566663A Locking device for dual capacity compressor |
| 01/19/2005 | CN1566662A Mechanical part of lock for dual capacity compressor |
| 01/19/2005 | CN1566661A Connecting rod connection structure for sealed compressor |
| 01/19/2005 | CN1566660A Connection structure of crankshaft and connecting rod for compressor |
| 01/19/2005 | CN1566659A Locking device for dual capacity compressor |
| 01/19/2005 | CN1566658A Spitting valve apparatus for hermetic compressor |
| 01/19/2005 | CN1566657A Spitting valve apparatus for hermetic compressor |
| 01/19/2005 | CN1566656A Discharge valve assembly for reciprocating compressor |
| 01/19/2005 | CN1566655A Suction valve fixing apparatus for reciprocating compressor |
| 01/19/2005 | CN1566654A Valve displacement preventing apparatus for reciprocating compressor |
| 01/19/2005 | CN1566650A Locking device for dual capacity compressor |
| 01/19/2005 | CN1566649A Locking device for dual capacity compressor |
| 01/19/2005 | CN1566632A Ternate plunger pump for high pressure industry |
| 01/18/2005 | US6843641 Radial piston pump |
| 01/18/2005 | US6843481 Fluid-moving device with a clearance seal |
| 01/13/2005 | US20050008506 Hydraulic axial piston pump |
| 01/13/2005 | US20050008499 Displacement control mechanism for variable displacement compressor |
| 01/13/2005 | DE202004015572U1 Membrane pump for liquids has sloping internal surfaces to eliminate liquid collecting spaces and with permanent magnets to hold the non return valves in the open position |
| 01/13/2005 | DE10328213A1 Electric pump device for fluid, especially high-pressure fuel pump for motor vehicle, fuel flow path runs in-part through electric drive or past it, for cooling by fluid supplied |
| 01/12/2005 | EP1496252A2 Hydraulic axial piston pump |
| 01/12/2005 | EP1496244A1 An engine with a fuel pump with the ability to purge |
| 01/12/2005 | EP1495228A1 Direct connection manifold for reciprocating piston pump |
| 01/12/2005 | EP1458978B1 Pump comprising a shield valve controlled by the conveying medium |
| 01/12/2005 | EP1407116A4 Pump cylinder lock |
| 01/12/2005 | CN2670630Y Two-purpose DC pump of self-positioning driving head |
| 01/12/2005 | CN2670629Y Eccentrically worn preventor for piston pulling rod of oil sucking pump |
| 01/12/2005 | CN2670628Y Multifunctional oil sucking pumps |
| 01/12/2005 | CN2670627Y Anti-fogery structure of emulsion pumps |
| 01/12/2005 | CN2670626Y Rod oil-sucking pumps |
| 01/12/2005 | CN2670625Y Self controlled pressure regulating pump |
| 01/12/2005 | CN2670624Y Screw connected fishing eccentric underground controlling tool for oil and gas fields |
| 01/12/2005 | CN1563719A Linear dynamo pumping unit with built-in stator |
| 01/11/2005 | US6840747 Positive-displacement oil pump |
| 01/11/2005 | US6840745 Diaphragm pump including a wobble plate |
| 01/05/2005 | EP1493922A1 Liquid pump and method for pumping a liquid that may have gas coming out of solution |
| 01/05/2005 | EP1226385B1 Lubricant pump |
| 01/05/2005 | DE19738524C5 Kolbenpumpe zum Erzeugen eines Fluiddrucks Piston pump for generating a fluid pressure |
| 01/05/2005 | DE10326000A1 Piston arrangement for swash plate compressor used in vehicle air conditioner, arranges slide ring of piston on bearing portion, such that slide ring can adjust itself automatically with occurrence of total play of predetermined size |
| 01/05/2005 | CN2668890Y High-temperature high-pressure reciprocating pump |
| 01/05/2005 | CN1183330C Vortex type compressor |
| 01/05/2005 | CN1182922C Fluid product dispensing pump and dispensing device with the pump |
| 01/04/2005 | US6837218 Radial piston pump |
| 01/04/2005 | CA2135613C Fluid pressure-intensifying apparatus |
| 12/30/2004 | US20040265155 Transmissionless variable output pumping unit |
| 12/30/2004 | US20040262066 Bent axis hydrostatic unit with multiple yokes |
| 12/29/2004 | WO2004094845A3 Integral shaft for use in mud pumps |
| 12/29/2004 | EP1101035B1 Piston pump |
| 12/29/2004 | CN2667201Y Anti-pump-out device for screw pump oil producing well |
| 12/29/2004 | CN2667200Y High temperature resistant non-return valve |
| 12/29/2004 | CN2667199Y Safety valve of air compressor |
| 12/29/2004 | CN2667198Y 单向阀 Check valve |
| 12/29/2004 | CN2667196Y Parallel oil-well pump |
| 12/29/2004 | CN2667193Y Low-friction-wear pure water hydraulic axial plunger pump or motor |
| 12/29/2004 | CN1558114A Reciprocating valveless pump with consecutively changeable cone angle |
| 12/29/2004 | CN1182329C Cylinder assembly of compressor capable of steadfastly fixing position of keeper |
| 12/28/2004 | US6835053 Check valve |
| 12/23/2004 | US20040259741 Mixture of polyamideimide copolymer and solid lubricant |
| 12/23/2004 | US20040258547 Pump piston and/or elements sealing the pump piston, in particular a sealing ring of elastomeric material, and a device and method for coating an object of elastomeric material |
| 12/23/2004 | US20040258534 Tire inflation device |
| 12/23/2004 | US20040256811 Seal for high-pressure pumping system |
| 12/23/2004 | DE19600641B4 Entlüftungspumpe für eine Feuerlöschkreiselpumpe Priming pump for fire fighting pump |
| 12/23/2004 | DE10324303A1 Plug closure for aperture in automotive high-pressure fuel injection pump housing has threaded neck and smooth inner bore |
| 12/23/2004 | DE102004025672A1 Sprayed-coated sliding material used for moving components, consists of molybdenum metal phase, or molybdenum metal phase and metal phase containing zinc, iron, nickel, cobalt, chromium and/or copper, and alloy phase |
| 12/22/2004 | EP1489152A2 Coating composition for use in sliding members |
| 12/22/2004 | EP1488975A1 Damping device for a hydraulic unit |
| 12/22/2004 | EP1232352B1 Pressure relief valve assembly |
| 12/22/2004 | EP1169574B1 Composite piston for a vibration pump |
| 12/22/2004 | CN2665407Y Piston type swash plate compressor |
| 12/22/2004 | CN2665406Y Air conditioner capable of realizing timing oil adjusting treatment |
| 12/22/2004 | CN2665405Y Air conditioner capable of realizing oil adjusting treatment between compressors |
| 12/22/2004 | CN2665400Y Three gradation concrete transfer pump |
| 12/22/2004 | CN1556328A Sand proof blade guiding wheel |
| 12/22/2004 | CN1181268C Piston for hydraulic cylinder |
| 12/21/2004 | US6832620 Apparatus for dosing lubricant into an air line |
| 12/16/2004 | WO2004109093A1 Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 12/16/2004 | DE10323125A1 Pleuel für den Kolben eines Verdichters Connecting rod for the piston of a compressor |
| 12/15/2004 | EP1486780A1 Micro chemical chip |
| 12/15/2004 | EP1486674A1 Variable displacement positive displacement pump |
| 12/15/2004 | EP1485619A1 Pump |
| 12/15/2004 | EP1485618A1 Valve arrangement for reciprocating machinery such as a pump and a compressor |
| 12/15/2004 | EP1485181A2 Self-cleaning fluid filter system |
| 12/15/2004 | CN2663705Y Antiseep oil tank |
| 12/15/2004 | CN2663690Y Sealing device of plunger pump |
| 12/15/2004 | CN1554869A Fully water lubricating and end flow distributing pure water hydraulic axial plunger pump or motor |
| 12/15/2004 | CN1554868A Magnetic linear piston pump |
| 12/15/2004 | CN1179798C Protection cover for trigger jetter |
| 12/14/2004 | US6830441 Valve for downhole pump |
| 12/14/2004 | US6830439 Electric fuel pump with universal relief valve installed in the pump inlet |
| 12/09/2004 | WO2004106743A1 Liner retention system |
| 12/09/2004 | WO2004106738A1 Magnetofluiddynamic pumps for non-conductive fluids |
| 12/09/2004 | WO2004106733A2 Positive displacement pump having piston and/or liner with vapor deposited polymer surface |