| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 01/02/2009 | DE19648319B4 Radialkolbenpumpe Radial piston pump |
| 01/02/2009 | DE102007030132A1 Radial piston engine, has pistons, which are connected with each other and cylinder sleeves are supported in swiveling and sliding manner, in order to adjust circumferential direction component of piston movement |
| 12/31/2008 | EP2007986A1 Radial piston pump for supplying fuel at high pressure to an internal combustion engine |
| 12/31/2008 | EP2007985A1 Pump, particularly for a hydraulic unit |
| 12/31/2008 | CN100447410C Axial piston hydraulic pump motor |
| 12/31/2008 | CN100447409C Electro-hydraulic power unit with a rotary cam hydraulic power unit |
| 12/30/2008 | US7470116 Axial piston machine |
| 12/25/2008 | US20080314039 Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof |
| 12/24/2008 | WO2008155511A1 Disposable pump cartridge |
| 12/24/2008 | EP2004996A1 Hydrostatic piston engine with rotatable control disc |
| 12/24/2008 | EP2004995A1 Piston for radial piston hydraulic engine and method for making same |
| 12/24/2008 | EP2004988A1 Piston for a radial piston hydraulic engine and method for making same |
| 12/24/2008 | EP2004957A1 Piston engine |
| 12/24/2008 | EP1721075B1 Long-piston hydraulic machines |
| 12/24/2008 | DE102008020829A1 Hydraulikeinheit mit einer Ventilplatte Hydraulic unit with a valve plate |
| 12/24/2008 | DE102007029326A1 Combined water pump system, has housing, in which low pressure pumping unit is arranged, where low pressure drain of low pressure pump system coupled with low pressure supply of high-pressure pump system |
| 12/24/2008 | CN101331318A Direct crankshaft of air compressor |
| 12/24/2008 | CN101328871A 活塞泵 Piston Pump |
| 12/24/2008 | CN100445555C Variable displacement compressor |
| 12/23/2008 | CA2556972C Long-piston hydraulic machines |
| 12/23/2008 | CA2381278C Piston engine balancing |
| 12/18/2008 | WO2008152051A1 The present invention relates to a high-pressure pump for supplying fuel to an internal-combustion engine |
| 12/18/2008 | US20080310971 Piston pump |
| 12/18/2008 | US20080307955 Piston Pump With Compact Retention Device for a Restoring Spring |
| 12/18/2008 | DE102007028774A1 Hydraulic perforated disk pump for motor vehicle, has radial cam switched into turbine mode by releasing cam to activate pump function, where automatic no-load operation is ensured in pump during drop of pressure in turbine mode |
| 12/17/2008 | EP2002169A1 Lubricant or hydraulic pump |
| 12/17/2008 | CN101326365A Hydrostatic piston engine with rotatable control disc |
| 12/17/2008 | CN101326364A Combined pump housing for several rated quantities |
| 12/17/2008 | CN100443324C Opposing pump/motors |
| 12/11/2008 | US20080302236 Variable Displacement Compressor |
| 12/11/2008 | DE102007032453A1 Electric motor for driving hydraulic pump, has rotor formed as perforated disk with boreholes, and control block with bypass function and pipeline blockage function connected between attachment of hydraulic lines and hydraulic pump |
| 12/10/2008 | EP1784571B1 High-pressure pump for a fuel injection device of an internal combustion engine |
| 12/10/2008 | CN101319666A Unidirectional hydraulic axial variable displacement plunger pump |
| 12/10/2008 | CN100441863C Two-stage pressure relief valve |
| 12/09/2008 | US7461968 System, device, and method for mixing liquids |
| 12/04/2008 | WO2008021503B1 Air supply mechanism for ventricular assist system |
| 12/04/2008 | WO2007118055A3 Compressors and methods for use |
| 12/04/2008 | US20080298982 Multi-Piston Pump |
| 12/04/2008 | US20080298980 Compressor |
| 12/04/2008 | US20080298979 Engine |
| 12/04/2008 | US20080295682 Hydraulic pump end cover |
| 12/03/2008 | CN201159144Y Low-noise plunger pump |
| 12/03/2008 | CN201159143Y Plunger pump |
| 12/03/2008 | CN101315074A Reciprocating apparatus of plunger pump |
| 12/03/2008 | CN101315068A Electrohydraulic proportion variable axial plunger pump |
| 12/02/2008 | US7458786 Oil well pumping unit and method therefor |
| 12/02/2008 | US7458785 Compressor with lubrication structure |
| 12/02/2008 | US7458313 Tubular piston for a piston engine and method producing a tubular piston |
| 12/02/2008 | US7458312 Axial piston machine for independent delivery into a plurality of hydraulic circuits |
| 11/27/2008 | US20080289488 Reciprocating fluid machines |
| 11/27/2008 | US20080289326 Pump Unit |
| 11/27/2008 | DE112006003645T5 Pumpe/Motor der Schrägachsenbauart mit variabler Verdrängung Pump / motor bent axis type variable displacement |
| 11/26/2008 | EP1994282A1 Combined pump housing for several rated quantities |
| 11/26/2008 | EP1749685B1 Mechanism for the recovery of energy in self-propelled vehicles |
| 11/26/2008 | CN201155437Y Integrated type micro-overflow energy-saving axial pump |
| 11/26/2008 | CN201155436Y Four-cylinder electric pressure-testing pump |
| 11/26/2008 | CN101313148A Inclined shaft-type variable displacement pump/motor |
| 11/26/2008 | CN101311533A Double-swash-plate axial Variable displacement plunger motor |
| 11/26/2008 | CN101311532A Double-swash-plate axial Variable displacement plunger pump |
| 11/26/2008 | CN101311531A Variable displacement pump |
| 11/26/2008 | CN100436809C High-pressure pump |
| 11/26/2008 | CN100436808C Internal combustion engine with piston injection pump |
| 11/25/2008 | US7454908 Zero turn transaxle |
| 11/20/2008 | WO2008138606A1 Retaining segment |
| 11/20/2008 | WO2008138603A1 Axial piston machine having a return device |
| 11/20/2008 | DE102007032103A1 Pumpeneinheit mit einer Hauptpumpe und einer in ihrem Fördervolumen verstellbaren Ladepumpe Pump unit with a main pump and an adjustable in its delivery charge pump |
| 11/20/2008 | DE102007032102A1 Pumpeneinheit mit Hauptpumpe und Hilfspumpe Pump unit with main pump and auxiliary pump |
| 11/20/2008 | DE102007022569A1 Axialkolbenmaschine mit Rückführvorrichtung With axial piston return device |
| 11/20/2008 | DE102007022568A1 Niederhaltesegment Hold-down segment |
| 11/20/2008 | DE102007022567A1 Axialkolbenmaschine Axial piston |
| 11/19/2008 | EP1623119B1 Improvements in cams and cam followers |
| 11/19/2008 | CN101310108A Multi-piston pump |
| 11/18/2008 | US7452192 Control valve for variable displacement compressor |
| 11/13/2008 | US20080276609 Dual hydraulic machine transmission |
| 11/13/2008 | DE202007009224U1 Wälzlagerkäfig mit Zwangszentrierung Roller bearing cage with forced centering |
| 11/12/2008 | CN101305223A Independent displacement opposing pump/motors and method of operation |
| 11/11/2008 | US7449122 Micro-fabricated electrokinetic pump |
| 11/06/2008 | WO2008046721A3 Piston pump for a motor vehicle braking system, comprising a piston rod |
| 11/06/2008 | CA2668711A1 Dynamic fluid energy conversion system and method of use |
| 11/05/2008 | EP1987249A1 High pressure pump |
| 11/05/2008 | CN201144770Y Multi-action constant-current axial direction plunger piston hydraulic pumps |
| 11/04/2008 | US7444989 Opposed pumping load high pressure common rail fuel pump |
| 10/30/2008 | WO2008128880A1 Pump unit for producing high pressures |
| 10/30/2008 | WO2008128667A1 Reciprocating pump for a high-pressure cleaning device |
| 10/30/2008 | WO2008128651A1 Reciprocating pump for a high-pressure cleaning device |
| 10/30/2008 | US20080267787 Devices and methods for use in assessing a flow condition of a fluid |
| 10/29/2008 | EP1985853A1 Radial piston pump, in particular for Common Rail (CR) injection systems |
| 10/29/2008 | CN101297111A Radial piston-type hydraulic motor with cylinder block cooling |
| 10/29/2008 | CN100429398C Radial piston pump comprising a plane seal between the flange and the housing |
| 10/29/2008 | CN100429395C High-pressure fuel pump comprising a ball valve in the low-pressure inlet |
| 10/28/2008 | US7441492 Eccentric drive mechanism for volumetric pumps or motors |
| 10/28/2008 | CA2494996C Long-piston hydraulic machines |
| 10/23/2008 | WO2008125779A2 Hydraulic engine with radial pistons acting as a hydraulic starter |
| 10/23/2008 | WO2008125540A1 Valve and pump having such a valve |
| 10/23/2008 | WO2008021503A3 Air supply mechanism for ventricular assist system |
| 10/23/2008 | US20080257063 Devices and methods for use in assessing a flow condition of a fluid |
| 10/23/2008 | DE102007020300A1 Kolbenpumpe für ein Hochdruckreinigungsgerät Piston pump for a high-pressure cleaner |
| 10/23/2008 | DE102007019261A1 Radialkolbenpumpe, insbes. für Common Rail (CR)-Einspritzsysteme Radial piston pump, esp. For Common Rail (CR) -Einspritzsysteme |
| 10/22/2008 | EP1982100A1 High-pressure pump for feeding fuel to an internal combustion engine |
| 10/22/2008 | CN201137555Y High pressure high displacement inclined shaft type axial plunger pump |