| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 06/13/2013 | DE102011088364A1 Adjusting device for adjusting displacement volume of axial piston unit of hydrostatic module for continuously variable hydrostatic transmission of e.g. agricultural tractor, has cylindrical pin that is moved into hole in sliding ring |
| 06/12/2013 | CN202991380U Variable plunger pump purely controlled by hand wheel |
| 06/12/2013 | CN202991379U Axial plunger pump of coal mining machine |
| 06/12/2013 | CN202991378U Inclined-shaft type plunger hydraulic pump/motor |
| 06/12/2013 | CN202991377U Oblique axis type hydraulic pump with cylinder body |
| 06/12/2013 | CN103154512A High-pressure pump for a fuel injection device |
| 06/12/2013 | CN103147952A Ultrahigh pressure axial plunger oil pump |
| 06/12/2013 | CN103147951A Low-vibration three-cylinder three-action reciprocating pump |
| 06/12/2013 | CN101939539B Engine-driven hydraulic pump |
| 06/12/2013 | CN101550920B Plunger variable pump |
| 06/11/2013 | US8459962 Variable displacement swash plate type compressor |
| 06/06/2013 | WO2013079519A1 Fuel delivery arrangement for a fuel injection system and fuel injection system |
| 06/06/2013 | DE102011114093B4 Umkehrosmose-Anlage und deren Verwendung enthaltend einen aktiven Druckintensivierer Reverse osmosis system and its use containing an active pressure intensifier |
| 06/05/2013 | EP2598749A1 Axial piston machine |
| 06/05/2013 | EP2598748A2 Variable displacement hydraulic pump/motor with hydrostatic valve plate |
| 06/05/2013 | EP2598747A1 A rotary hydraulic machine with radial pistons |
| 06/05/2013 | EP2598743A1 High pressure pump |
| 06/05/2013 | CN202971072U Inverse proportional electric load-sensitive variable plunger pump |
| 06/05/2013 | CN202971071U Pressure control structure used for variable displacement piston pump |
| 06/05/2013 | CN202971070U Variable plunger pump with plurality of plungers |
| 06/05/2013 | CN103133291A Ultrahigh pressure radial plunger pump |
| 06/05/2013 | CN102305688B Multi-range on-site full-automatic pressure calibrator |
| 06/05/2013 | CN102305201B High-pressure pump with star wheel and axial plunger |
| 06/05/2013 | CN101440787B Bearing restricting device in swash plate hydraulic pump or motor |
| 05/30/2013 | WO2013077355A1 Swash plate piston pump |
| 05/29/2013 | EP2596242A1 Piston unit |
| 05/29/2013 | EP2596241A2 Radial piston machine and piston for a radial piston machine of this type |
| 05/29/2013 | CN103124850A Hydraulic machine with oil dams |
| 05/29/2013 | CN102159826B Improvements relating to fuel pumps |
| 05/29/2013 | CN101922424B Grouting plunger pump for grouter |
| 05/28/2013 | US8449267 Pump assembly and fluid metering unit |
| 05/28/2013 | US8449266 Control valve for variable displacement compressor |
| 05/23/2013 | WO2013074979A1 Improved rotary axial piston pump |
| 05/23/2013 | WO2013072533A1 Axial piston pump that harnesses energy |
| 05/23/2013 | WO2013072102A1 Tubular filter of a piston pump for a vehicle braking system |
| 05/23/2013 | WO2013071996A1 Pressure-encapsulated pump housing |
| 05/23/2013 | WO2013005259A3 Energy extraction device, group of energy extraction devices and operating methods |
| 05/23/2013 | US20130129534 Pumping unit for a machine to distribute concrete |
| 05/23/2013 | DE102011086703A1 Hochdruckpumpe High pressure pump |
| 05/23/2013 | DE102011086571A1 Axialkolbenmaschine mit veränderbarem Schluckvolumen und Hydraulikantriebsstrang mit einer Axialkolbenmaschine Axial piston variable displacement hydraulic and powertrain with an axial piston |
| 05/22/2013 | CN202946334U Large-power five-plunger high pressure reciprocation pump |
| 05/22/2013 | CN103118912A Pump and method for its manufacture |
| 05/22/2013 | CN103114989A Follow-up sensitive pump for energy-saving hydraulic pump station |
| 05/22/2013 | CN101903655B Retraction ball for a hydrostatic piston machine |
| 05/21/2013 | US8443598 Zero turn drive apparatus |
| 05/16/2013 | WO2013069374A1 Closed hydraulic circuit system |
| 05/16/2013 | WO2013068213A1 Hydrostatic piston engine |
| 05/16/2013 | WO2013068211A1 Hydrostatic piston engine |
| 05/16/2013 | WO2013068210A1 Hydrostatic piston engine |
| 05/16/2013 | US20130121862 Alternative methods to generate high pressure by iteration in a high-pressure multichamber |
| 05/16/2013 | US20130121861 Piston Pump |
| 05/16/2013 | DE19732747B4 Rückschlagventil Check valve |
| 05/16/2013 | DE112011102155T5 Hydraulische Pumpe oder hydraulischer Motor Hydraulic pump, hydraulic motor |
| 05/16/2013 | DE102012218888A1 Hydrostatische Kolbenmaschine Hydrostatic piston machine |
| 05/16/2013 | DE102012218883A1 Hydrostatische Kolbenmaschine Hydrostatic piston machine |
| 05/16/2013 | DE102012218879A1 Hydrostatische Kolbenmaschine Hydrostatic piston machine |
| 05/16/2013 | DE102012202742B3 Swash plate swivel bearing for adjusting axial piston machine, has inner and outer guide comprising respective guide tracks, and cage guide comprising guide track that runs perpendicular to regions of guide tracks of inner and outer guides |
| 05/16/2013 | DE102011118503A1 Druckgekapseltes Pumpengehäuse Pressure-encapsulated pump housing |
| 05/15/2013 | CN202937418U Axial swash plate type hydraulic plunger pump |
| 05/15/2013 | CN202937417U Oblique shaft type axial plunger pump/motor with novel-structure plunger |
| 05/15/2013 | CN103109082A Renewable energy turbine generator provided with hydraulic pump with a segmented cover and method to assembly the pump |
| 05/10/2013 | WO2011054409A3 Axial piston machine having a swashplate design |
| 05/09/2013 | US20130115112 Variable displacement hydraulic pump/motor with hydrostatic valve plate |
| 05/08/2013 | DE102011117543A1 Axial piston machine e.g. pump for use in swash plate construction, has return spring that is arranged in cylinders and displaced in circumferential direction to apply return force to valve slide according to tilt angle |
| 05/08/2013 | CN202926580U Variable pump tilting tray displacement detection device and steering engine |
| 05/08/2013 | CN103097720A Method and apparatus for performing maintenance on hydraulic pump, and power generating apparatus of renewable energy type |
| 05/08/2013 | CN103089562A Camshaft type plunger pump |
| 05/08/2013 | CN103089561A Lever-type hydraulic pusher |
| 05/08/2013 | CN103089533A Tidal current energy unsteady state pressurization sea water desalination and generating set |
| 05/08/2013 | CN102155369B Hydraulic tool with wobble plate transmission |
| 05/08/2013 | CN101925739B Hydraulic pump motor and fan driver |
| 05/07/2013 | US8435013 Reciprocating compressor and oxygen concentrator |
| 05/07/2013 | US8435010 Control of a fluid pump assembly |
| 05/02/2013 | WO2013060576A1 Hydrostatic piston machine |
| 05/02/2013 | WO2013060494A1 Roller tappet |
| 05/02/2013 | US20130108491 Reciprocating pump and method for making a system with enhanced dynamic seal reliability |
| 05/02/2013 | DE112010005379T5 Elektromechanischer Antrieb Electromechanical drive |
| 05/02/2013 | DE102012010726A1 Hydraulic linear drive for use in mobile machinery, has tension spring whose end is coupled with end face of control slide, and further coupled with side of auxiliary spring in mechanical coupling point |
| 05/02/2013 | DE102011117081A1 Hydrostatische Kolbenmaschine Hydrostatic piston machine |
| 05/02/2013 | DE102011085243A1 Roller tappet for high-pressure fuel pump, for valve drive of internal combustion engine or for motor such as axial piston motor, has housing, in whose drive-sided front two diametrically opposite planes are applied |
| 05/02/2013 | DE102011085242A1 Rollenstößel Roller plunger |
| 05/02/2013 | DE102011085239A1 Roller plunger for use in e.g. high-pressure fuel pump of combustion engine, has housing guided in component hole over outer jacket, which is curved-out of housing, where edge region of housing is provided with slippage chamfer |
| 05/01/2013 | EP2587058A1 Bent axis type hydraulic rotating machine |
| 05/01/2013 | EP2585718A1 Axial piston machine |
| 05/01/2013 | CN202914260U Inclined shaft type axial plunger pump |
| 05/01/2013 | CN103080548A 流体旋转机械 Fluid rotating machinery |
| 05/01/2013 | CN103080546A Piston pump for delivering fluids, and associated vehicle brake system |
| 05/01/2013 | CN103080545A Device for throttling a fluid flow, and corresponding piston pump for delivering fluids |
| 05/01/2013 | CN103080530A Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine and associated assembly method |
| 05/01/2013 | CN103075317A Dual-pump type axial variable displacement plunger pump |
| 05/01/2013 | CN103075316A Semiaxis type pure-water hydraulic axial plunger pump supported by bearings in cylinder |
| 05/01/2013 | CN103075315A Heavy truck cab hydraulic hoisting radial plunger pump |
| 05/01/2013 | CN102192120B Straight shaft plunger pump with limiting arc-shaped slide rail balance |
| 05/01/2013 | CN102162435B Method for improving performance of multi-action inner curve radial plunger pump or motor |
| 04/30/2013 | US8430645 Two stage pressure regulation system for variable displacement hydraulic pumps |
| 04/25/2013 | WO2012104065A3 Piston arrangement of a hydraulic piston machine |
| 04/25/2013 | WO2012088451A3 Torque control for open circuit piston pump |
| 04/25/2013 | US20130098456 Common mode pulse damper for reciprocating pump systems |
| 04/25/2013 | US20130098239 Radial hydraulic pump with a variable eccentricity and delivery |
| 04/25/2013 | DE10322603B4 Kolbenpumpe, insbesondere Hochdruck-Kolbenpumpe für Brennkraftmaschinen mit Direkteinspritzung Piston pump, in particular high-pressure piston pump for internal combustion engines with direct |