| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 11/09/2011 | CN102235179A Jet thermal energy and nuclear energy conversion engine with rotary cylinder piston |
| 11/08/2011 | US8052401 Double-acting radial piston hydraulic apparatus |
| 11/05/2011 | CA2702147A1 Rotating swing table |
| 11/03/2011 | WO2011137143A1 Bellows backup chamber |
| 11/03/2011 | DE19546299B4 Doppelkolbenpumpe Double piston pump |
| 11/02/2011 | EP2383470A1 Plunger pump actuated by a shape memory element |
| 11/02/2011 | EP1740406B1 Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof |
| 11/02/2011 | CN202023710U Dual-cylinder plunger pump of high-pressure cleaning machine |
| 11/02/2011 | CN101479469B Compact hydraulic mechanism with radial pistons |
| 11/01/2011 | US8047812 Variable volume, shape memory actuated insulin dispensing pump |
| 11/01/2011 | US8047811 Variable volume, shape memory actuated insulin dispensing pump |
| 11/01/2011 | US8047810 Double-headed piston type compressor |
| 11/01/2011 | US8047120 Hydraulic piston pump with a balance valve |
| 10/26/2011 | EP1438504B1 Reciprocating piston motor comprising a sliding sleeve |
| 10/26/2011 | CN202017590U Novel emulsion pump with oppositely-standing six plungers on three crank throws |
| 10/26/2011 | CN102227559A Fluid device with flexible ring |
| 10/25/2011 | US8043006 Axial piston machine with an elongated guide element for a cage segment |
| 10/20/2011 | WO2011128151A1 High-pressure pump |
| 10/20/2011 | WO2011128149A1 High-pressure pump |
| 10/20/2011 | WO2011128010A1 Axial piston machine having a retraction plate, and method for the production thereof |
| 10/20/2011 | WO2011127883A1 Connection plate for a hydrostatic piston machine |
| 10/20/2011 | DE102011013779A1 Anschlussplatte für eine hydrostatische Kolbenmaschine Connection plate for a hydrostatic piston engine |
| 10/20/2011 | DE102010027749A1 High pressure pump e.g. radial piston pump, for fuel injection in air-compressing, self-igniting internal combustion engine, has plunger hole with elliptical cross section, where outer sides of plunger body are adapted to cross section |
| 10/20/2011 | DE102010015073A1 Axialkolbenmaschine mit einer Rückzugplatte sowie Verfahren zu deren Herstellung Axial piston machine with a withdrawing plate, and methods for their preparation |
| 10/19/2011 | EP2092192B1 Hydrostatic axial piston engine |
| 10/19/2011 | EP1911969B1 Installation structure for swash plate support base, and hydraulic device |
| 10/19/2011 | CN101517242B Valve arrangement for a hydrostatic machine |
| 10/18/2011 | US8038415 Variable capacity swash plate type compressor |
| 10/13/2011 | WO2011124405A1 Annular seal element |
| 10/12/2011 | EP2375070A1 Reciprocating type piston pump and method of operation thereof |
| 10/12/2011 | EP2294316B1 Piston pump of a hydraulic vehicle brake system |
| 10/12/2011 | CN202007753U Variable displacement plunger pump |
| 10/12/2011 | CN102216615A Multi-stage reciprocating compressor |
| 10/12/2011 | CN102213204A Variable device for diacytic-type axial plunger bidirectional variable pump |
| 10/06/2011 | WO2011121883A1 Valve plate, and axial piston hydraulic pump and axial piston hydraulic motor with same |
| 10/06/2011 | US20110243780 Axial piston machine |
| 10/05/2011 | EP1797320B1 Radial piston pump with a roller plunger |
| 10/05/2011 | CN102207080A Combined type crankshaft with three corners and four fulcrums for three-cylinder reciprocating pump |
| 10/04/2011 | US8029250 Variable volume, shape memory actuated insulin dispensing pump |
| 10/04/2011 | US8029245 Variable volume, shape memory actuated insulin dispensing pump |
| 09/29/2011 | WO2011117904A1 Improved radial hydraulic motor |
| 09/29/2011 | WO2011092319A3 Internal combustion engine fuel supply system |
| 09/29/2011 | US20110232418 Hydraulic hybrid vehicle with large-ratio shift transmission and method of operation thereof |
| 09/28/2011 | EP2369180A1 High-pressure fuel pump |
| 09/28/2011 | EP2235353B1 High-pressure fuel pump |
| 09/28/2011 | CN201991717U 一种柱塞泵泵头结构 One kind of piston pump head structure |
| 09/28/2011 | CN201991716U 大排量超高压径向柱塞油泵 EHV large displacement radial piston pump |
| 09/28/2011 | CN102203416A Antirotation device |
| 09/28/2011 | CN102200124A Liquid distribution valve and liquid chromatographic pump equipped with same |
| 09/28/2011 | CN102200107A Floating balanced-type disc flow distribution radial plunger pump |
| 09/28/2011 | CN101460741B Axial piston machine having a hydrostatic support of the hold-down |
| 09/22/2011 | WO2011115180A1 Hydraulic pump/motor and method for preventing pulsation of hydraulic pump/motor |
| 09/22/2011 | WO2011114786A1 Rotary cylinder device |
| 09/22/2011 | WO2011113698A1 Pump, in particular piston pump for high or low pressure |
| 09/22/2011 | WO2011113205A1 Return to neutral mechanism for hydraulic pump |
| 09/22/2011 | US20110229347 Wabble plate type variable displacement compressor |
| 09/21/2011 | CN201982265U 定级变量轴向柱塞泵 Grading variable displacement axial piston pump |
| 09/21/2011 | CN102192120A Straight shaft plunger pump with limiting arc-shaped slide rail balance |
| 09/21/2011 | CN102192119A Axial plunger pump with double rows of cylinder holes and cylinder bodies |
| 09/21/2011 | CN101776002B Diesel lubrication oil booster pump |
| 09/20/2011 | US8021124 Capacity control valve |
| 09/15/2011 | WO2011070244A3 Piston pump, and water treatment facility provided with such pump |
| 09/15/2011 | WO2011069494A3 Continuously conveying infusion pump |
| 09/15/2011 | US20110224615 Fluid Delivery Device with Autocalibration |
| 09/15/2011 | DE102010011292A1 Kraftstoffhochdruckpumpe High-pressure fuel pump |
| 09/14/2011 | EP2365220A1 Linear pump |
| 09/14/2011 | EP2049793B1 Vehicle brake system piston pump comprising a piston |
| 09/14/2011 | CN201972873U 双斜盘液压电机柱塞泵 Dual-piston pump swash plate hydraulic motor |
| 09/14/2011 | CN201972869U 一种新型液压柱塞泵 A new hydraulic piston pump |
| 09/14/2011 | CN101568725B Compressor and its operation method and refrigeration system provided with the compressor |
| 09/14/2011 | CN101372941B Axial plunger type variable capacity pump |
| 09/13/2011 | US8017196 Method for plasma coating an object of elastomeric material |
| 09/09/2011 | WO2011107190A1 Control device and method for controlling a torque of a drive shaft of a hydrostatic machine |
| 09/08/2011 | DE102010020004A1 Regelungsvorrichtung und Verfahren zur Regelung eines Drehmoments einer Triebwelle einer hydrostatischen Maschine Control apparatus and method for controlling a torque of a drive shaft of a hydrostatic machine |
| 09/08/2011 | DE102010009975A1 Hydrostatic drive for use in safety-related functions, comprises closed hydraulic circuit, in which axial-piston motor and axial-piston pump with stroke volume adjusting unit are arranged |
| 09/07/2011 | EP2265811B1 High-pressure pump |
| 09/07/2011 | EP1831546B1 Drive device |
| 09/07/2011 | EP1147331B1 Spool valve for fluid control |
| 09/07/2011 | CN102177356A Rotary slide bearing comprising a convex sliding surface and an elastic sliding surface |
| 09/07/2011 | CN101646860B High-pressure pump for delivering fuel with an improved design of the bearing arrangement for the support of the cam shaft |
| 09/07/2011 | CN101356341B Axial piston machine having a guide limb for a cage segment |
| 09/06/2011 | US8011907 Piston pump with compact retention device for a restoring spring |
| 09/06/2011 | US8011897 Cam driven piston compressor |
| 09/05/2011 | DE202011101400U1 Lagerbeschichtung für kraftstoffgeschmierte Kraftstoffpumpen Bearing coating for fuel-lubricated fuel pump |
| 09/01/2011 | WO2011104549A2 Fluid-working machine and method of operating a fluid-working machine |
| 09/01/2011 | WO2011104546A2 Fluid working machine and method of operating fluid working machine |
| 09/01/2011 | WO2011104544A2 Variable displacement radial piston fluid working machine |
| 09/01/2011 | WO2011104543A2 Fluid working machine and method of operating fluid working machine |
| 09/01/2011 | WO2011072913A3 Preventing cavitation on the pump cylinder of a high-pressure pump |
| 08/31/2011 | EP2361351A2 Fluid device with flexible ring |
| 08/31/2011 | EP1599674B1 High-efficiency, large angle, variable displacement hydraulic pump/motor |
| 08/31/2011 | CN201953595U 1000mL/r电液伺服控制径向柱塞变量泵 1000mL / r Servo Control Radial Piston Pump |
| 08/31/2011 | CN101718262B Multifunctional stepless variable-flow high-pressure oil feed pump |
| 08/30/2011 | US8007251 Radial piston fuel supply pump |
| 08/25/2011 | WO2011101203A1 Cylinder head for a high-pressure fuel pump |
| 08/25/2011 | DE102006057364B4 Wasserhydraulische Maschine Water hydraulic machine |
| 08/24/2011 | EP2359002A1 Common rail high pressure pump |
| 08/24/2011 | CN201943907U 一种柱塞式液压泵及其柱塞泵控制阀组件 One kind of piston plunger pump and control valve assembly |
| 08/24/2011 | CN102165177A Intake valve for a cylinder of the high-pressure fuel pump of a common rail injection system |
| 08/24/2011 | CN102162435A Method for improving performance of multi-action inner curve radial plunger pump or motor |