| 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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| 08/26/2009 | CN201297250Y A split compressor piston body |
| 08/26/2009 | CN201297249Y Connection device of piston and piston rod |
| 08/26/2009 | CN201297248Y Replaceable engine oil sight glass of pump |
| 08/26/2009 | CN201297247Y Insertion type screw pump |
| 08/26/2009 | CN201297242Y Constant-pressure variable radial plunger pump |
| 08/26/2009 | CN101517242A Valve arrangement for a hydrostatic machine, in particular for an axial piston machine |
| 08/26/2009 | CN101514697A Pump for deep wells |
| 08/26/2009 | CN101514695A Pump |
| 08/26/2009 | CN100532823C Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 08/26/2009 | CA2637715A1 Fluid pressure powered apparatus |
| 08/25/2009 | US7578659 Compressor discharge muffler |
| 08/19/2009 | EP2089648A1 Method and apparatus for sealing an ultrahigh-pressure fluid system |
| 08/19/2009 | CN201292974Y Pump box crane |
| 08/19/2009 | CN201292949Y Automatic gas releasing device for oil-sealed vacuum pump |
| 08/19/2009 | CN201292942Y Disassemble packing kit for fracturing pump head |
| 08/19/2009 | CN201292941Y Strong start and stop plunger for oil pump |
| 08/19/2009 | CN201292940Y Pendulum protection arrangement for oil-free lubrication pendulum type compressor |
| 08/19/2009 | CN201292939Y Oil pump for reducing sustained center load by pre-filled drive block |
| 08/19/2009 | CN201292938Y Oil pump valve with guide bars |
| 08/19/2009 | CN201292933Y Mini pump |
| 08/19/2009 | CN201292930Y Plunger pump forced circulation lubrication apparatus |
| 08/19/2009 | CN201292928Y Wall hanging type full automatic air pumping machine |
| 08/19/2009 | CN201292924Y Foam pump |
| 08/19/2009 | CN201292923Y Positive and negative rotating axial plunger pump |
| 08/19/2009 | CN101512157A Long-life pump unit |
| 08/19/2009 | CN101509485A Jacket with protection steel ring for ceramic pump case |
| 08/19/2009 | CN101509484A Diaphragm of diaphragm pump and molding technique thereof |
| 08/13/2009 | WO2009098157A1 Compressor unit |
| 08/13/2009 | WO2009097674A1 Attachment mechanism |
| 08/13/2009 | US20090202374 Valve head for high pressure homogeniser |
| 08/13/2009 | DE102008009243A1 Exhaust valve for use in pressure pipe of e.g. high-pressure pump, has element with mushroom-like body structure, and shaft passing into borehole of holder comprising set of openings with axes that are parallel to pressure pipe line axis |
| 08/13/2009 | DE102008008438A1 High-pressure pump has tappet, which serves for indirect support of piston with longitudinal axis at drive shaft over roller, which is pivotally coupled with tappet |
| 08/13/2009 | DE102008008373A1 Piston unit, particularly air-conditioning compressor piston unit for swash plate air-conditioning compressor, comprises piston element which is partly formed by medium of flow pressing, where piston element comprises connecting unit |
| 08/13/2009 | DE102007004605B4 Hochdruckpumpe und Einspritzanlage für eine Brennkraftmaschine mit einer Hochdruckpumpe High-pressure pump and fuel injection system for an internal combustion engine with a high pressure pump |
| 08/12/2009 | EP2088319A1 Swash plate compressor |
| 08/12/2009 | EP2088318A1 Swash plate compressor |
| 08/12/2009 | EP2086805A1 Piston pump |
| 08/12/2009 | CN201288705Y Improved structure for water pump filtering cover |
| 08/12/2009 | CN201288658Y Wear-resistant plunger rod |
| 08/12/2009 | CN201288656Y High efficient sealing screw pump driving apparatus |
| 08/12/2009 | CN201288655Y Pressure testing downhole oil production screw pump |
| 08/12/2009 | CN201288654Y Peristaltic pump used on infusion pump |
| 08/12/2009 | CN201288653Y Pump head mechanism for large flow hydraulic barrier diaphragm metering pump |
| 08/12/2009 | CN201288652Y Cavity type barometric pressure induction flow pump |
| 08/12/2009 | CN201288632Y Plunger for plunger type hydraulic motor |
| 08/12/2009 | CN101503999A 压缩机活塞 Piston compressor |
| 08/12/2009 | CN100526640C Fluid machine with radial cylinders |
| 08/11/2009 | CA2387061C Piston pump |
| 08/06/2009 | WO2009096804A1 Oil filter for downhole motor |
| 08/06/2009 | WO2009096118A1 Hydraulic pump motor and fan driver |
| 08/06/2009 | WO2009096117A1 Hydraulic pump motor |
| 08/06/2009 | WO2009095586A2 Fluidic duct structure and cassette for peristaltic pump |
| 08/06/2009 | WO2009094883A1 Electric residue-extracting pump for methane pool |
| 08/06/2009 | US20090196774 System, method and apparatus for electrical submersible pump assembly with pump discharge head having an integrally formed discharge pressure port |
| 08/06/2009 | US20090196765 Dielectric barrier discharge pump apparatus and method |
| 08/06/2009 | DE102008007224A1 Pump arrangement for promotion of fluid, and for system, has three housing modules, where housing module has section with diameter and passage recess for inserting drive shaft |
| 08/06/2009 | DE102008007028A1 High-pressure pump, particularly feeding pump for feeding fluid for storage injection system for internal-combustion engine of motor vehicle, has carrier element and driving shaft that is mounted in carrier element |
| 08/06/2009 | CA2712820A1 Oil filter for downhole motor |
| 08/05/2009 | EP2085613A2 High pressure valve assembly |
| 08/05/2009 | EP2084440A1 Check valve arrangement |
| 08/05/2009 | EP1750514B1 Double-acting, high-pressure cryogenic pump |
| 08/05/2009 | EP1506349B1 Radial piston pump for a fuel injection system having improved high-pressure resistance |
| 08/05/2009 | CN201284751Y Pressure regulating and water breaking structure of pump |
| 08/05/2009 | CN201284735Y Fluid end apparatus of automotive reciprocating pump |
| 08/05/2009 | CN201284730Y Hydraulically driven air feed chamber used for air compressor |
| 08/05/2009 | CN201284726Y Improved axial plunger pump |
| 08/05/2009 | CN101501338A Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor |
| 08/05/2009 | CN101498299A Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 08/05/2009 | CN101498294A Pressure control adjusting device of compressor |
| 08/05/2009 | CN100523529C Pitman of closed compressor |
| 08/05/2009 | CN100523499C Refrigerant compressor for motor vehicles |
| 08/04/2009 | US7568893 Electric air pump for secondary air supply system |
| 07/30/2009 | WO2009092189A1 External valve type hydraulic self-sealing piston oil well pump |
| 07/30/2009 | US20090191077 Pump |
| 07/30/2009 | US20090191075 Positive displacement piston pump, for lubication |
| 07/30/2009 | DE102008006686A1 Rückschlagventil und Kolbenpumpe mit Rückschlagventil Check valve and piston pump with check valve |
| 07/30/2009 | DE102007041915B4 Verfahren zum Herstellen eines Ventils A method of manufacturing a valve |
| 07/29/2009 | EP2082135A1 Active check valves in diaphragm pump with solenoid drive |
| 07/29/2009 | CN201281015Y Novel crosshead connecting structure |
| 07/29/2009 | CN201281014Y Air valve device of inflator |
| 07/29/2009 | CN101495757A Fill port for a self-priming centrifugal pump, with safety device |
| 07/29/2009 | CN101493088A Compressor piston pin and piston and link lever structure hinged by the same |
| 07/29/2009 | CN100520065C Chamber and piston combination and pump, shock absorber and transducer incorporating the combination |
| 07/28/2009 | US7566206 Linear compressor for multi-stage compression |
| 07/28/2009 | US7566205 Reciprocating pump and check valve |
| 07/23/2009 | WO2009090986A1 Motor position detection method, motor drive device, and pump |
| 07/23/2009 | WO2009090508A2 Plunger pair |
| 07/23/2009 | US20090185924 Piston pump |
| 07/23/2009 | US20090185923 Fuel supply pump |
| 07/23/2009 | US20090183785 Modular sump pump pit assembly |
| 07/22/2009 | EP2079933A1 Sealing system device |
| 07/22/2009 | EP2079930A2 Piston pump for a motor vehicle braking system, comprising a piston rod |
| 07/22/2009 | CN201277174Y Safety device of actuator |
| 07/22/2009 | CN201277173Y Fast joint for membrane pump |
| 07/22/2009 | CN201277172Y 活塞结构 Piston structure |
| 07/22/2009 | CN201277171Y Rolling bearing sliding block type link lever compressor without oil lubrication |
| 07/22/2009 | CN201277170Y Combined air valve of air compressor |
| 07/22/2009 | CN201277169Y Shock-absorbing stand for membrane pump |
| 07/22/2009 | CN101487468A Double-piston compression |
| 07/22/2009 | CN101487467A Piston sealing structure of vertical non-lubrication piston compressor |