| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 01/19/2011 | CN101949374A Swash plate type valve distributing high-pressure pure water plunger pump |
| 01/19/2011 | CN101949373A Sealing loop forming pump |
| 01/19/2011 | CN101372942B Axial plunger type variable capacity pump |
| 01/13/2011 | WO2011005367A2 Bypass unloader valve for compressor capacity control |
| 01/13/2011 | WO2011003821A1 Bearing for a radial piston pump |
| 01/13/2011 | WO2011003657A1 High-pressure fuel pump |
| 01/13/2011 | US20110006006 Combined Axial Piston Liquid Pump and Energy Recovery Pressure Exchanger |
| 01/13/2011 | US20110005266 Reciprocating Piston Compressor |
| 01/13/2011 | DE102009032307A1 Lagerung für eine Radial-Kolbenpumpe Storage for a radial piston pump |
| 01/12/2011 | EP2271838A1 Pump, particularly a high-pressure fuel pump |
| 01/12/2011 | CN201705602U Multi-cylinder reciprocating pump |
| 01/12/2011 | CN201705601U Adjustable flow multi-cylinder reciprocating pump with hydraulic damping mechanism |
| 01/06/2011 | WO2011002320A1 Linear-rotary motion conversion mechanism with torque restraint member |
| 01/06/2011 | WO2011000602A1 Multi-piston pump |
| 01/06/2011 | WO2011000598A1 High pressure pump |
| 01/06/2011 | WO2010124900A3 Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring |
| 01/05/2011 | EP2268922A1 Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism |
| 01/05/2011 | EP2268921A1 Converter for converting mechanical energy into hydraulic energy and robot implementing said converter |
| 01/05/2011 | CN201696241U Mortar pumping machine for plastering |
| 01/05/2011 | CN101939539A Engine-driven hydraulic pump |
| 01/05/2011 | CN101421513B Pump, in particular for a hydraulic unit |
| 01/04/2011 | US7862308 Rotary reciprocating pump |
| 01/04/2011 | US7862307 Swash plate compressor |
| 01/04/2011 | CA2427032C Oil pressure operated pump for marine steering gears |
| 12/29/2010 | EP2265811A1 High-pressure pump |
| 12/29/2010 | EP1774173B1 Fluid machine with radial cylinders |
| 12/29/2010 | EP1287979B1 Method of operating a hydraulic press brake and hydraulic press brake with controller for executing the method |
| 12/29/2010 | CN201687677U Special axial high-pressure oil pump for pressure testing machine |
| 12/29/2010 | CN201687676U Half-shaft adjustable axial plunger pump |
| 12/29/2010 | CN101932831A Portable oxygen concentrator |
| 12/28/2010 | US7857601 Variable displacement compressor |
| 12/23/2010 | US20100322789 Axial piston engine having a housing with a radially widened interior portion |
| 12/23/2010 | US20100319547 Reciprocating compressor and oxygen concentrator |
| 12/22/2010 | CN201679663U Straight-shaft plunger pump with pressure pre-reducing/increasing oil path |
| 12/22/2010 | CN201679662U Axial plunger pump with cylinder block having double rows of cylinder ports |
| 12/22/2010 | CN201679661U Symmetrical static pressure-supported swinging disc plunger pump |
| 12/22/2010 | CN201679660U Limit arc-shaped slide rail wobble plate straight shaft plunger pump |
| 12/22/2010 | CN101925739A Hydraulic pump motor and fan driver |
| 12/22/2010 | CN101922425A Axial plunger pump for increasing flow and sealing pressure |
| 12/22/2010 | CN101922424A Grouting plunger pump for grouter |
| 12/22/2010 | CN101368552B Heeling moment full-balancing shaft distribution mechanism and bidirectional variable radial ball piston pump |
| 12/16/2010 | DE102008034336B4 Axialkolbenmaschine in Schrägscheibenbauweise mit einer Vorrichtung zum Bereitstellen von drei Betriebszuständen Axial piston swashplate design with a device for providing three operating states |
| 12/15/2010 | CN201671778U High-pressure spray pump structure |
| 12/15/2010 | CN101913716A Small reverse osmosis seawater desalting system with energy reclaiming high-pressure pump |
| 12/15/2010 | CN101185042B Fluid delivery device with autocalibration |
| 12/14/2010 | US7849783 Plastic shoes for compressors |
| 12/09/2010 | WO2010139663A1 Cam follower roller device, notably for a fuel injection pump |
| 12/09/2010 | US20100312177 Fluid Delivery Device With Autocalibration |
| 12/09/2010 | US20100307330 Axial piston machine |
| 12/09/2010 | DE102009026740A1 High-pressure pump i.e. radial piston pump, for e.g. petrol engine of car, has piston supported on shaft to execute stroke movement and to change conveying capacity of pump by changing stroke difference of piston |
| 12/09/2010 | DE102009026735A1 High-pressure pump e.g. high pressure storage fuel-lubricated radial piston pump, for common rail system of internal-combustion engine, has gear for converting rotating movement of shaft over cam, where cam is formed as double cam |
| 12/09/2010 | DE102009026732A1 High-pressure pump e.g. high-pressure memory fuel-lubricated three-seal-radial piston pump, for common rail system of passenger car, has gear for converting rotating movement of shaft over cam, where cam is formed as three-fold cam |
| 12/09/2010 | DE102009026729A1 High-pressure pump i.e. radial piston pump, for common rail system of internal-combustion engine, has cam gear for converting rotating movement of shaft over cam into stroke movement of piston, where cam is formed as four-fold cam |
| 12/09/2010 | DE102009026724A1 High-pressure pump i.e. three-seal-radial piston pump, for common rail system of passenger car, has gear for converting rotating movement of shaft over cam into hub movement of piston, where cam is formed as three-fold cam |
| 12/09/2010 | DE102009023667A1 Valve-controlled radial piston machine for use as radial piston pump, has piston supported at rotatable lifting arc, where lifting arc has cam sections, and cylinder piston units evenly distributed at circumference of cylinder body |
| 12/08/2010 | EP2049789B1 Radial piston pump unit for supplying fuel at high pressure in fuel injection systems |
| 12/08/2010 | CN201666235U High-pressure swash-plate pump |
| 12/08/2010 | CN201666234U Digital pulse variable displacement axial plunger pump |
| 12/08/2010 | CN101910636A Valve assembly |
| 12/08/2010 | CN101910627A Hydraulic system with supplement pump |
| 12/08/2010 | CN101910626A Hydraulic fluid pump having a sealing element |
| 12/07/2010 | US7845916 Axial piston machine in swashplate construction |
| 12/02/2010 | WO2010138511A2 Reciprocating compressor wrist pin bearing and lubrication passageway |
| 12/02/2010 | WO2010138510A2 Light weight crankcase casting for compressor |
| 12/02/2010 | DE102009026610A1 High-pressure pump for high pressure injection system for internal combustion engine, particularly for motor vehicle, has parallel axle that is aligned parallel to central longitudinal axis |
| 12/02/2010 | DE102009026603A1 High-pressure pump for use in combustion engine of motor vehicle for conveying e.g. diesel, has piston indirectly or directly supported on cam, so that translational movement is executable by piston due to rotation of drive shaft |
| 12/02/2010 | DE102009025240A1 Hydrostatic axial piston machine has cylindrical drum arranged around rotation axis, where rolling body is in operative connection with guide roller for supporting transverse forces on cylinder drum |
| 12/02/2010 | DE102008034337B4 Auf Kugeln gelagerte Schwenkscheibe für Axialkolbenhydraulikmaschinen Mounted on ball swivel plate for Axialkolbenhydraulikmaschinen |
| 12/01/2010 | CN101903655A Retraction ball for a hydrostatic piston machine |
| 12/01/2010 | CN101903654A Pump, particularly high-pressure fuel pump |
| 12/01/2010 | CN101903639A High-pressure fuel pump |
| 12/01/2010 | CN101900108A Sliding member for compressor |
| 11/30/2010 | US7841840 Double-headed piston type compressor |
| 11/30/2010 | US7841839 Displacement control structure for a variable displacement compressor |
| 11/30/2010 | US7841176 Zero turn transaxle |
| 11/25/2010 | DE102009021966A1 Piston pump for conveying pressure fluid into hydraulic brake assembly with slip regulation, has housing provided with pump components e.g. piston, where force effect at piston and/or volume of area are minimized by spatial unit |
| 11/25/2010 | DE102009021866A1 Hydroantrieb mit einer unabhängigen Speisepumpe Hydro drive with an independent feed pump |
| 11/25/2010 | DE102009021717A1 Hydraulisches Gerät Hydraulic equipment |
| 11/24/2010 | CN201650635U Single-acting volumetric piston pump with four cylinders |
| 11/23/2010 | US7837449 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit |
| 11/18/2010 | WO2010130502A1 Valve unit for a high-pressure piston fuel pump and pump comprising this valve unit |
| 11/18/2010 | WO2010130498A1 High-pressure fuel pump |
| 11/18/2010 | WO2010130496A1 Plug-in pump |
| 11/18/2010 | US20100290927 Pump assembly for high pressure cleaners |
| 11/18/2010 | DE102009003097A1 High-pressure pump i.e. radial or in-line piston pump, for fuel injection system of air-compressing and self-ignition internal-combustion engine, has cam roller whose axial contact point serves for axial guidance of cam roller |
| 11/18/2010 | DE102009003052A1 High-pressure pump, particularly radial- or in-line piston pump for fuel injection systems of air-compressing, self-ignited internal combustion engines, has housing, pump assembly provided in housing and drive shaft |
| 11/18/2010 | DE10158341B4 Pumpe für Fahrwerksysteme Pump for Suspension Systems |
| 11/17/2010 | EP1886035B1 Swash plate pivot bearing |
| 11/17/2010 | CN201635946U Improved high pressure fluid pump |
| 11/11/2010 | WO2010127899A1 Lubricating circuit of a high-pressure common rail pump, and high-pressure common rail pump |
| 11/11/2010 | US20100282071 Variable displacement swash plate type compressor |
| 11/11/2010 | DE10332361B4 Kraftstoff-Einspritzpumpe Fuel injection pump |
| 11/11/2010 | DE102009020110A1 Hydrostatic displacement machine e.g. multi-stroke axial piston engine, has rolling body supported in openings of piston by slide bearing element, where element is produced by sintering process in openings of piston |
| 11/11/2010 | DE102009020109A1 Hydrostatic positive-displacement machine e.g. single-stroke/multi-stroke radial piston machine, for use as e.g. pump, has slide bearing element material-fittingly connected with recess of pistons |
| 11/10/2010 | CN101883939A Gasket for high-pressure pump and high-pressure pump comprising said gasket |
| 11/10/2010 | CN101881260A Oil-free lubrication plunger pump |
| 11/04/2010 | WO2010124900A2 Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring |
| 11/04/2010 | DE112008003624T5 Hydraulischer Pumpenmotor und Lüfterantriebsvorrichtung Hydraulic pump motor and fan drive device |
| 11/04/2010 | DE102009019627A1 Hydrostatic displacement machine e.g. radial piston engine, has piston supported in piston recess of cylinder drum, and implementing balance movement arranged in transverse direction of groove web in area of rolling body |
| 11/03/2010 | EP2246566A2 Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system |