| 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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| 01/09/2008 | CN201003484Y Oil pumping apparatus for machine pump regulation |
| 01/09/2008 | CN201003482Y Hose wheel |
| 01/09/2008 | CN101100993A Urea plunger pump liquid seal method and device |
| 01/09/2008 | CN100360846C Reciprocating piston pump adjustable inlet ball travel |
| 01/09/2008 | CN100360801C Spitting valve apparatus for hermetic compressor |
| 01/09/2008 | CN100360799C Double acting simplex plunger with bi-directional valves |
| 01/08/2008 | US7316287 Hydraulic pump unit, hydraulic pump set, and working vehicle |
| 01/03/2008 | US20080003111 Portable pneumatic power supply and compressor systems and methods thereof |
| 01/03/2008 | DE19927454B4 Pumpenaggregat für ABS/ASR/VSC-Bremsanlage Pump unit for ABS / TCS / VSC brake system |
| 01/03/2008 | DE102006030188A1 Motor-pump assembly for car power steering has shock absorbers between pump module and assembly casing consisting of leaf spring, positioning pin, resilient seals, washers and shaft coupling |
| 01/03/2008 | DE102006030141A1 Pressure supply unit for hydraulic systems comprises electric motor which feeds fluid to two cylinders via pipes fitted with non-return valves, cylinders also being fitted with return flow pipes each of which also has non-return valve |
| 01/03/2008 | DE102006029391A1 Vehicle brake system piston pump, has piston sealant arranged between cylinder and piston, and formed with elastomer sealing unit and metal spring unit, which pushes section of elastomer sealing unit radially against piston |
| 01/03/2008 | DE102006029368A1 Kolbenpumpe für ein Fahrzeugbremssystem mit einem Dichtelement Piston pump for a vehicle brake system, with a sealing element |
| 01/03/2008 | DE102006028638A1 Kolbenpumpe Piston pump |
| 01/02/2008 | CN200999793Y Multilevel antithrust bearing of down-hole double-screw pump system |
| 01/02/2008 | CN200999726Y Down-hole double-screw pump system |
| 01/02/2008 | CN200999724Y Portable antislipping device |
| 01/02/2008 | CN200999708Y Electromagnetic water pump with snuffle valve |
| 01/02/2008 | CN101096949A Motor/pump unit |
| 01/02/2008 | CN101096947A Air compressor |
| 01/02/2008 | CN101096904A Downhole tool connecting separator |
| 01/02/2008 | CN100359162C Paste discharging device |
| 01/01/2008 | US7313998 Motor/pump unit, particularly for anti-skid vehicle brake systems |
| 12/27/2007 | WO2007148237A1 Valve head for high pressure homogeniser |
| 12/27/2007 | WO2007147693A2 Piston pump |
| 12/27/2007 | US20070298980 comprising a molybdenum metal phase and an alloy phase consisting of iron, nickel, cobalt, chromium, copper and zinc, having wear and heat resistance under high temperature and pressure, low or high speed sliding; nonseizing |
| 12/27/2007 | US20070297924 Compact vacuum pump |
| 12/27/2007 | DE102006028851A1 Kolbenpumpe Piston pump |
| 12/26/2007 | EP1869326A2 Portable device for transferring fluids |
| 12/26/2007 | EP1869322A1 Oil-less compressor with seal-dust protection |
| 12/26/2007 | EP1869319A1 Piston pump for a vehicle brake system |
| 12/26/2007 | CN200996374Y Large-sprue feedback oil-well pump |
| 12/26/2007 | CN200996369Y Two-purpose pump with residual-slag and liquid-extracting functions for marsh-gas tank |
| 12/26/2007 | CN200996179Y Improved self-cleaning hydraulic drum grille |
| 12/26/2007 | CN100357604C Distributing valve for concrete pump |
| 12/26/2007 | CN100357603C Check valve and pump including the same |
| 12/26/2007 | CN100357602C Electromagnetic pump body |
| 12/26/2007 | CN100357601C 空气压缩机 Air compressor |
| 12/26/2007 | CN100357565C Sleeved sand control device for downhole oil extraction device |
| 12/23/2007 | CA2592664A1 Autofrettage process for a pump fluid end |
| 12/21/2007 | WO2007145766A2 Self-energizing pump for overrunning clutch |
| 12/20/2007 | US20070292290 Liquid color injection pressure booster pump and pumping methods |
| 12/20/2007 | US20070292289 Piston Compressor Producing an Internal Cooling Air Flow in the Crankcase |
| 12/20/2007 | DE102006027555A1 Piston pump for e.g. conveying brake fluid in vehicle, has pressure chamber arranged between inlet valve and exhaust valve that includes base unit for supporting prestressing device and sealing seat that is arranged at disk unit |
| 12/20/2007 | DE102006027514A1 Piston pump for discharging e.g. fuel, has piston element with two pistons, inlet valve that is arranged in piston, and centric channel that is arranged in piston in longitudinal direction of piston for suction of fluid |
| 12/19/2007 | EP1173677B1 A device comprising a combination of a chamber and a piston |
| 12/19/2007 | CN200993096Y Movable pump valve |
| 12/19/2007 | CN200992996Y Oil well pumping promoting device |
| 12/19/2007 | CN200992995Y Oil well pumping promoter |
| 12/19/2007 | CN101091043A Axially driven piston/cylinder unit |
| 12/19/2007 | CN101089449A Lubricating oil pump |
| 12/19/2007 | CN100356060C Piston pump |
| 12/19/2007 | CN100355482C Strainer and valve release |
| 12/18/2007 | CA2425604C Gas operated pump for use in a wellbore |
| 12/13/2007 | WO2007141058A1 Fluid pump having a crank mechanism |
| 12/13/2007 | WO2007140946A1 Hydrostatic machine having wedge damping |
| 12/13/2007 | WO2007140596A1 Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor |
| 12/13/2007 | WO2007140500A1 Pump element for a high-pressure pump |
| 12/13/2007 | US20070286743 Self-energizing pump for overrunning clutch |
| 12/13/2007 | DE19750379B4 Baueinheit mit einem elektrischen Generator und einem Pumpenaggregat Structural unit with an electric generator and a pump assembly |
| 12/13/2007 | DE19704215B4 Motor-Pumpeneinheit für eine Zirkulationsanlage Motor-pump unit for circulation system |
| 12/13/2007 | CA2654604A1 Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor |
| 12/13/2007 | CA2549972A1 Piston carrying guide tube |
| 12/12/2007 | EP1863723A2 Improvements in fluid dispensing |
| 12/12/2007 | EP1697631B1 Valve, in particular for a high-pressure pump of a fuel-injection device for an internal combustion engine |
| 12/12/2007 | CN200989480Y Bottom valve |
| 12/12/2007 | CN200989299Y Reducing piston conjoined separate extracting pump |
| 12/12/2007 | CN200989298Y Petroleum well drilling mud pump rotary valve body with protection flutter |
| 12/12/2007 | CN200989291Y Self-priming water pump |
| 12/12/2007 | CN100354521C Locking device for dual capacity compressor |
| 12/12/2007 | CN100354048C Fluid dispenser pump |
| 12/11/2007 | US7306438 Suction gas guiding system for reciprocating compressor |
| 12/11/2007 | US7305822 Hydraulic equipment |
| 12/11/2007 | CA2342779C Liner retainer assembly |
| 12/09/2007 | CA2591186A1 Additive pump |
| 12/06/2007 | WO2007138633A1 Positive displacement piston pump, for lubrication |
| 12/06/2007 | WO2007137941A1 Radial piston pump for supplying fuel at high pressure to an internal combustion engine |
| 12/06/2007 | US20070277785 Radial Piston Pump For Common Rail Injection Systems |
| 12/06/2007 | DE102006048411A1 Axialkolbenmaschine mit hydrostatisch gelagertem Wiegenzapfen Axial piston engine with hydrostatic weighing stored pins |
| 12/06/2007 | DE102006046128A1 Axialkolbenmaschine mit hydrostatischer Auflage des Niederhalters Axial piston hydrostatic bearing of the hold |
| 12/06/2007 | DE102006025926A1 Pressure control valve for use in common rail diesel fuel injection system, has spring acting on closing body blocking fuel supply line, where body is formed as rotation symmetric body supporting spring in force-fit and form-fit manner |
| 12/06/2007 | DE10190607B4 Gas valve has piston with through holes having detachable coupling portion extending from cone portion |
| 12/06/2007 | CA2652914A1 Positive displacement piston pump, for lubrication |
| 12/05/2007 | EP1862671A1 Compressor device |
| 12/05/2007 | EP1861319A2 Methods and apparatus for pumping and dispensing |
| 12/05/2007 | EP1861298A1 Pressure generator for a vehicle brake system and method for mounting said pressure generator |
| 12/05/2007 | CN200985881Y Linkage rod of piston link assembly for pump |
| 12/05/2007 | CN101082335A Sliding pump bottom valve |
| 12/05/2007 | CN101082333A Different diameter |
| 12/05/2007 | CN100353065C Motor fixing structure of reciprocating compressor |
| 12/05/2007 | CN100353064C Compressor suction reed valve |
| 12/05/2007 | CN100353026C Uniform distribution type sand control device for downhole oil extraction device |
| 12/04/2007 | US7302882 Jump force vacuum booster |
| 11/29/2007 | WO2007135333A1 Device and method for declogging the membrane of a device for the cross-flow filtration of a fluid |
| 11/29/2007 | WO2007134455A1 Filtration system and method for implementing the same |
| 11/29/2007 | WO2007064404A3 Microfluidic membrane pump and valve |
| 11/29/2007 | DE202007013146U1 Vorrichtung zum Schutz einer Pumpe Device for protecting a pump |
| 11/29/2007 | DE102006025027A1 Piston pump for transporting fluid for vehicle braking system has integral annular sealing region with separating point for sealing pressure chamber with respect to low pressure region |
| 11/29/2007 | DE102006024709A1 Radialkolbenpumpe zur Kraftstoff-Hochdruckversorgung bei einer Brennkraftmaschine Radial piston pump for fuel high-pressure supply in an internal combustion engine |
| 11/29/2007 | CA2652994A1 Filtration system and method for implementing the same |