| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 03/26/2008 | EP1658433B1 High-pressure pump for a fuel-injection device of an internal combustion engine |
| 03/26/2008 | CN201041138Y Variable capability pump |
| 03/26/2008 | CN101151464A Control valve unit with alternating stops |
| 03/26/2008 | CN101151461A Axial piston machine having an elongated guide element for a cage segment |
| 03/26/2008 | CN100376886C Axial plunger pump piston shoe auxiliary lubrication characteristic test device |
| 03/20/2008 | WO2008033055A1 Multiplunger horizontal single-acting pump |
| 03/20/2008 | WO2008032126A1 Positive displacement oil well pump |
| 03/20/2008 | WO2008012295A3 Radial piston pump unit for supplying fuel at high pressure in fuel injection systems |
| 03/20/2008 | US20080069709 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 |
| 03/20/2008 | CA2664220A1 Positive displacement oil well pump |
| 03/19/2008 | CN201037451Y Variable displacement pump |
| 03/19/2008 | CN101146997A Electric signal input-type capacity control device and hydraulic facility |
| 03/13/2008 | WO2008003705A3 Hydraulic pump |
| 03/13/2008 | US20080063540 Displacement control structure for a variable displacement compressor |
| 03/13/2008 | US20080060510 Variable pump or hydraulic motor |
| 03/13/2008 | DE102006041395A1 Schallgedämpfte und/oder schallgedämmte Axialkolbenmaschine Silenced and / or soundproof axial piston |
| 03/12/2008 | EP1898131A1 Hydraulic hybrid vehicle |
| 03/12/2008 | EP1898088A2 Muffled and/or silenced axial piston engine |
| 03/12/2008 | CN101142262A Method for extracting nylon from waste materials |
| 03/06/2008 | WO2008026501A1 Hydraulic rotation machine |
| 03/06/2008 | US20080053310 Compressors and methods for use |
| 03/06/2008 | CA2661854A1 Two bolt adjustable centering system |
| 03/05/2008 | EP1700028B1 Valve arrangement in particular inlet valve for a high pressure fuel pump |
| 03/05/2008 | CN201031780Y Light sloping cam plate universal shaft type quantificationally plunger pump |
| 03/05/2008 | CN101137837A High pressure pump and method of reducing fluid mixing within same |
| 03/05/2008 | CN101135301A Rotary radial piston machine |
| 03/04/2008 | US7337869 Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof |
| 02/28/2008 | WO2007147693A3 Piston pump |
| 02/27/2008 | EP1892413A1 Variable displacement swash plate type hydraulic rotary machine |
| 02/27/2008 | EP1714030B1 High-pressure pump, particularly for a fuel injection device of a combustion engine |
| 02/27/2008 | EP1545952B1 Supply device |
| 02/27/2008 | CN201027603Y Swash plate type axial piston pump |
| 02/27/2008 | CN201027602Y Double-rotating direction bidirectional-variable radial ram pump |
| 02/27/2008 | CN201027601Y Reciprocating high-pressure filling pump |
| 02/27/2008 | CN101131152A Constant-pressure variable radial-plunger pump |
| 02/27/2008 | CN100371612C Hydraulic system |
| 02/27/2008 | CN100371596C Control system of hydrautic pump |
| 02/26/2008 | US7334515 Roller bearing and pump including same |
| 02/26/2008 | US7334513 Axial piston machine having a fixable slide block on the swash plate |
| 02/21/2008 | DE102006045302B3 Pump i.e. hydraulic duplex pump, has shaft partly arranged in housing, and distance piece coupling bracket with housing in radial direction of shaft, where distance piece has guidance section for guiding connecting rod |
| 02/20/2008 | EP1831547B1 Piston pump provided with at least one step piston element |
| 02/20/2008 | EP1599672B1 Thick material pump |
| 02/20/2008 | EP1360439B1 A method and a device for supplying fuel to a combustion chamber |
| 02/20/2008 | CN101128335A Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof |
| 02/20/2008 | CN101128269A High pressure cleaning device |
| 02/20/2008 | CN101126381A 160Mpa electro-hydraulic proportional control radial piston pump |
| 02/20/2008 | CN101126380A Vertical processing method for cylinder body large round end surface internal spline |
| 02/20/2008 | CN100370133C Fuel supply pump having lubricating groove |
| 02/19/2008 | US7331272 Multiple-stroke hydrostatic axial piston machine |
| 02/14/2008 | WO2008017766A1 Compact hydraulic mechanism with radial pistons |
| 02/14/2008 | WO2008017557A1 Axial piston machine |
| 02/14/2008 | DE102006037690A1 Axialkolbenmaschine Axial piston |
| 02/14/2008 | DE102006037593A1 Swash plate machine with rotating cylinders includes sound-deadening elastomer layers in control disc supported against end plate of machine casing |
| 02/13/2008 | EP1887253A1 Hydraulic drive device |
| 02/13/2008 | EP1887222A1 Improvement for radial piston pumps |
| 02/13/2008 | EP1886035A2 Swash plate pivot bearing |
| 02/12/2008 | US7328647 Hydraulic device |
| 02/07/2008 | WO2008015071A1 Sealing and guiding device for a piston of a piston pump |
| 02/07/2008 | WO2008015068A1 Piston for a vehicle brake system piston pump |
| 02/07/2008 | WO2008015067A1 Vehicle brake system piston pump comprising a piston |
| 02/07/2008 | WO2008014736A1 Device for coupling a piston to an annular disc |
| 02/07/2008 | WO2007076521B1 Hybrid nutating pump |
| 02/07/2008 | US20080031745 Axial Piston Machine |
| 02/07/2008 | US20080031744 High-Pressure Pump for a Fuel Injection System of an Internal Combustion Engine |
| 02/07/2008 | DE112006000850T5 Exzentrische radiale Kolbenpumpe und exzentrischer radialer Kolbenmotor Eccentric radial piston pump and eccentric radial piston engine |
| 02/07/2008 | DE102004044967B4 Kolbenpumpe Piston pump |
| 02/06/2008 | EP1884656A1 Transfer pump for high-pressure petrol injection |
| 02/05/2008 | US7325477 Device for reducing energy losses in a machinery unit |
| 01/31/2008 | WO2008012295A2 Radial piston pump unit for supplying fuel at high pressure in fuel injection systems |
| 01/31/2008 | US20080025850 Spring barrel pumps |
| 01/31/2008 | US20080022652 Fluid propulsion device |
| 01/31/2008 | DE10330781B4 Hochdruckkraftstoffpumpe High pressure fuel pump |
| 01/31/2008 | DE102006034768A1 Radialkolbenpumpeneinheit zur Kraftstoff-Hochdruckversorgung bei Kraftstoff-Einspritzsystemen Radial piston pump unit for high-pressure fuel supply in fuel injection systems |
| 01/31/2008 | DE102006017303B4 Radialkolbenpumpe Radial piston pump |
| 01/30/2008 | EP1882098A1 Fluid powered motor or pump |
| 01/30/2008 | CN201013545Y Reciprocating type plunger pump capable of conveying high-temperature, high pressure and grain medium |
| 01/30/2008 | CN201013544Y Inner cone body return-stroke disk assembled in hydraulic pumps |
| 01/30/2008 | CN201013543Y Ball hinged radial direction plunger piston adjustable-discharge pump |
| 01/30/2008 | CN101115922A Hydraulic piston pump |
| 01/29/2008 | US7322271 Rotary radial piston machine |
| 01/24/2008 | WO2008010490A1 Cycloid reciprocating engine and pump employing this crank mechanism |
| 01/24/2008 | WO2008009489A1 Crank-driven high-pressure pump, particularly for supplying high-pressure fuel in fuel injection systems |
| 01/24/2008 | US20080019844 Compressor |
| 01/24/2008 | US20080017140 Rotary Radial Piston Machine |
| 01/23/2008 | EP1881196A1 Axial piston pump or motor of the swashplate or bent axis type |
| 01/23/2008 | EP1881191A2 High-pressure fuel pump |
| 01/23/2008 | EP1704329B1 Piston for axial piston engine with inclined axes, and method for producing one such piston |
| 01/23/2008 | EP1636488B1 Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 01/23/2008 | CN100363615C Method and apparatus for converting mechanical energy into fluid pressure energy |
| 01/23/2008 | CN100363614C Oil film thickness controlling system for end fluid-distributing axial plunger pump |
| 01/22/2008 | US7320577 Dual pump transmission |
| 01/22/2008 | US7320576 Clutchless variable displacement refrigerant compressor with mechanism for reducing displacement work at increased driven speed during non-operation of refrigerating system including the compressor |
| 01/17/2008 | DE112006000563T5 Hochdruckpumpe und Verfahren zur Verringerung einer Strömungsmittelvermischung darin High-pressure pump and a method for reducing fluid mixing therein |
| 01/17/2008 | DE102006042677A1 Axialkolbenmaschine mit einer Ansatzscheibe an einer Rückhaltescheibe, entsprechende Rückhaltescheibe und entsprechende Ansatzscheibe Axial piston with a lug plate at a retention disk, corresponding retention disk and corresponding lug plate |
| 01/17/2008 | DE102006032244A1 Radial piston pump for high pressure fuel injection system, has high pressure piston formed as two-piece with cylindrical piston part and ring that are connected with each other in force-fitting and/or form-fitting manner |
| 01/16/2008 | EP1878918A1 High-pressure piston pump for feeding fuel to an internal combustion engine |
| 01/16/2008 | EP1877662A2 Variable volume, shape memory actuated insulin dispensing pump |
| 01/16/2008 | CN201007261Y Axial Variable displacement plunger pump |
| 01/16/2008 | CN201007260Y Reciprocatin pump power end structure |
| 01/16/2008 | CN101107446A System and method for controlling a variable displacement compressor |