| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 03/01/2012 | DE102010035820A1 Hydrostatic positive displacement engine has piston that is subjected to input tilting movement along transverse direction of raceway |
| 03/01/2012 | DE102007002730B4 Radialkolbenpumpe zur Kraftstoffförderung sowie Herstellungsverfahren hierfür Radial piston pump for fuel delivery and manufacturing method thereof |
| 03/01/2012 | DE102005057751B4 Lagermechanismus und Kolbenpumpe Bearing mechanism and piston pump |
| 03/01/2012 | DE102004027506B4 Kolbenpumpe mit kugelförmigem Kolben Piston pump with a spherical bulb |
| 02/29/2012 | EP2423505A1 Axial piston pump auxiliary cam assembly |
| 02/29/2012 | EP2422088A1 Device for measuring a set swept volume |
| 02/29/2012 | EP2422087A1 Positive-displacement pump including a pressure absorber |
| 02/29/2012 | EP2422072A1 High-pressure pump |
| 02/29/2012 | EP2421732A1 Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system |
| 02/29/2012 | EP2324245B1 Hydrostatic piston engine having a pulsation reduction device |
| 02/29/2012 | EP1438504B8 Reciprocating piston motor comprising a sliding sleeve |
| 02/29/2012 | CN101128335B Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof |
| 02/28/2012 | US8123496 Two-unit pump for liquid chromatograph with flow sensor arrangement |
| 02/28/2012 | US8123492 Speed-related control mechanism for a pump and control method |
| 02/23/2012 | WO2012023155A1 Integrated electro-hydraulic device |
| 02/23/2012 | WO2012022954A1 Ring cam and fluid-working machine including ring cam |
| 02/23/2012 | WO2012022953A1 Ring cam and fluid-working machine including ring cam |
| 02/23/2012 | WO2012022952A1 Ring cam and fluid-working machine including ring cam |
| 02/23/2012 | WO2012022924A1 Fluid-working machine with multi-lobe ring cam |
| 02/23/2012 | WO2012022444A1 Device having valve-controlled piston engines |
| 02/23/2012 | WO2011064019A3 Piston pump |
| 02/23/2012 | US20120042774 Displacement assembly for a fluid device |
| 02/23/2012 | DE10326000B4 Kolbenanordnung an der Taumelscheibe eines Taumelscheibenkompressors Piston assembly on the swash plate of a swash plate type compressor |
| 02/23/2012 | DE102011105465A1 Hydraulische Doppelaxialkolbenmaschine Hydraulic Doppelaxialkolbenmaschine |
| 02/23/2012 | DE102010034548A1 Hydrostatic piston machine has cylinder drum, in which piston is arranged in displaced manner and cylinder shut-off device, where piston has two piston sections |
| 02/22/2012 | EP2420676A1 Plastic piston pumps |
| 02/22/2012 | EP2420675A1 Sleeveless plastic piston pumps |
| 02/22/2012 | EP2419635A1 Piston pump having cam drive, particularly a fuel pump |
| 02/21/2012 | US8118567 Swash plate type piston pump motor |
| 02/21/2012 | US8117959 Swash plate type compressor |
| 02/16/2012 | US20120036996 Piston Pumps for a Hydraulic Vehicle Brake System |
| 02/16/2012 | US20120036992 Piston machine, especially fluid piston machine |
| 02/16/2012 | DE102010039269A1 Kolbenpumpen für eine hydraulische Fahrzeugbremsanlage Piston pump for a hydraulic vehicle brake system |
| 02/16/2012 | DE102010039256A1 High pressure pump for conveying fluid, has pump housing, in which recess is formed, drive device for driving high pressure pump and bearing arrangement arranged in recess |
| 02/16/2012 | DE102010034188A1 Verstellbare hydraulische Axialkolbenkraftmaschine, insbesondere für Windkraftwerke (WKW) mit hydrostatischem Hauptantrieb und Verfahren zur Steuerung Adjustable hydraulic axial-piston engine, especially for wind power plants (TPP) with hydrostatic main drive and procedures for managing |
| 02/16/2012 | DE10022593B4 Stelleinrichtung mit Planetengetriebe für eine hydrostatische Axialkolbenmaschine Adjusting device with planetary gearbox for a hydrostatic axial piston |
| 02/15/2012 | EP2418381A1 Adjustable hydraulic axial piston engine, in particular for wind power plants with hydrostatic main drive and method for control |
| 02/15/2012 | CN102356229A High-pressure pump |
| 02/15/2012 | CN102356228A High pressure pump and tappet assembly |
| 02/15/2012 | CN101539131B 一种斜轴式液压柱塞泵或马达 A slant hydraulic piston pump or motor shaft |
| 02/15/2012 | CN101529092B 具有包括径向扩宽的内腔段的外壳的轴向活塞机 Includes a housing having a cavity radially widening segments of the axial piston machine |
| 02/09/2012 | WO2012018758A2 Method of operating a pump/motor |
| 02/09/2012 | WO2012017820A1 Fluid rotary machine |
| 02/09/2012 | US20120030933 System and method for pumping fluid using a pump cassette |
| 02/09/2012 | DE102010038953A1 High pressure pump i.e. radial piston pump, for fuel injector of combustion engine in diesel common-rail system, has plunger body guide comprising cylindrical shaped plunger body which cooperates with convex housing bore |
| 02/09/2012 | DE102010038946A1 High-pressure pump i.e. radial piston pump, for fuel injector of common rail system of internal combustion engine, has tappet assembly with roller shoe, where roller shoe and/or pump piston are/is provided with set of magnets |
| 02/08/2012 | EP2414680A2 High pressure variable displacement piston pump |
| 02/08/2012 | EP2414675A1 High-pressure pump |
| 02/08/2012 | CN1965169B 流体线性驱动装置 Fluid linear drive unit |
| 02/08/2012 | CN101956686B 一种位置-弹簧-力反馈式电比例变量轴向柱塞泵 A position - spring - force feedback Electric proportional variable axial piston pump |
| 02/08/2012 | CN101517243B 流体静力学的驱动单元 Hydrostatic drive unit |
| 02/02/2012 | WO2012016240A2 Variable displacement hydraulic pump/motor with hydrostatic valve plate |
| 02/02/2012 | WO2012014128A1 Axial piston machine |
| 02/02/2012 | WO2012014090A1 A rotary hydraulic machine with radial pistons |
| 02/02/2012 | WO2012013588A1 Process for producing a hollow piston and corresponding hollow piston |
| 02/02/2012 | WO2012013452A1 High pressure pump |
| 02/02/2012 | WO2012013269A2 Adjustable axial piston machine |
| 02/02/2012 | US20120023973 Method and equipment for improving the efficiency of compressors and refrigerators |
| 02/02/2012 | DE19963480B4 Geregeltes Bremssystem mit einer exzentergetriebenenKolbenpumpe Controlled braking system with a exzentergetriebenenKolbenpumpe |
| 02/02/2012 | DE10212492B4 Kolbenpumpe Piston pump |
| 02/02/2012 | DE102011015709A1 Kolbenpumpe Piston pump |
| 02/02/2012 | DE102010038679A1 Cam shaft for high pressure pump of common-rail fuel injection system of internal combustion engine, has cam comprising sliding friction coefficient, which is larger than detention friction coefficient of roller opposite to roller shoe |
| 02/02/2012 | DE102010038651A1 Axial piston machine for use in e.g. mobile hydraulics as hydraulic drive system for hydraulic Hybrid vehicle to perform pump and engine operations, has bearings provided for eccentric bearing of swivel disk |
| 02/02/2012 | DE102010038468A1 Hochdruckpumpe High pressure pump |
| 02/02/2012 | DE102010032651A1 Verstellbare Axialkolbenmaschine Adjustable axial piston |
| 02/02/2012 | DE102010032649A1 Adjustable axial piston machine, has swivel bearing mounted with bearing shell, housing-sided bearing retaining part and swivel cradle-sided pivot bearing surface over swivel bearing, and bearing shell fixed at swivel cradle |
| 02/01/2012 | EP2412976A2 Intermediate drive assembly |
| 02/01/2012 | CN202132196U 一种新型径向柱塞泵 A new radial piston pump |
| 02/01/2012 | CN102338077A SM stepless variable piston pump |
| 02/01/2012 | CN102338054A Novel flow-adjustable axial plunger pump |
| 02/01/2012 | CN101865101B Inclined-axis rotation type axial plunger pump |
| 02/01/2012 | CN101568726B 斜板式活塞泵·马达及其制造方法 The swash plate type piston pump · motor and manufacturing method thereof |
| 01/31/2012 | US8104527 Method and apparatus for making an awning structure |
| 01/31/2012 | US8104398 Axial piston machine utilizing a swashplate design |
| 01/26/2012 | WO2012010262A1 Piston unit |
| 01/26/2012 | WO2012010261A2 Piston unit |
| 01/26/2012 | WO2012010137A2 Hydraulic dual axial piston machine |
| 01/26/2012 | US20120020813 Micro compressor |
| 01/25/2012 | EP2410179A1 Adjustment agent for a set piston, set piston and hydraulic machine |
| 01/25/2012 | EP2410178A1 Micro compressor |
| 01/25/2012 | EP2409033A1 Control valve for a variable displacement pump |
| 01/25/2012 | EP2409015A1 High-pressure pump |
| 01/25/2012 | EP2409014A1 High pressure pump and tappet assembly |
| 01/25/2012 | CN202125412U Deep sea hydraulic self-balancing pump |
| 01/25/2012 | CN102330647A Variable-displacement fuel pump tilting tray angle control driver of underwater vehicle |
| 01/24/2012 | CA2456560C Floating pump assembly |
| 01/19/2012 | DE112008002868T5 Ventilbaugruppe Valve assembly |
| 01/19/2012 | DE102010031445A1 High pressure pump for fuel injector of internal combustion engine, has pump element, where pump piston is guided in hole of housing section through stroke movement |
| 01/19/2012 | DE102010031443A1 High pressure pump for fuel injector of internal combustion engine, has pump element, where spring element is designed as compression spring supported at pump piston or at plunger |
| 01/18/2012 | EP1590569B1 Axial piston engine and a control plate for an axial piston engine |
| 01/18/2012 | CN202117871U Pneumatic control variable reciprocating pump |
| 01/18/2012 | CN102325994A High-pressure fuel pump for an internal combustion engine |
| 01/12/2012 | WO2012003922A2 Hydrostatic machine, especially axial piston machine |
| 01/12/2012 | WO2012003824A1 Hydraulic axial piston machine |
| 01/12/2012 | WO2011008242A3 Hydraulic drive and control system for pumps |
| 01/12/2012 | DE102011105544A1 Hydraulische Axialkolbenmaschine Hydraulic axial piston |
| 01/12/2012 | DE102010031185A1 High-pressure pump for delivering fluid, has pump housing and drive shaft that is rotatably supported in pump housing, where high-pressure pump is driven over drive shaft |
| 01/12/2012 | DE102010031154A1 High pressure pump for use in fuel injection system of internal combustion engine i.e. diesel engine, of motor car for promotion of liquid, has slide-bearing bearing drive shaft in housing that is hydraulically coupled with throttle channel |
| 01/12/2012 | DE102010026645A1 Hydraulic energy transformation machine e.g. bent axis-type axial piston machine, for converting kinetic energy into hydraulic energy, has coupling device forming torque-proof connection between rotary hydraulic and traction units |
| 01/12/2012 | DE102010026360A1 Stössel Tappet |