| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 06/12/2014 | DE102012222936A1 Axialkolbenmaschine Axial piston |
| 06/12/2014 | DE102012222700A1 Adjusting device for axial piston machine, has adjusting piston which is coupled with pivoting unit over coupling element, where pivoting unit is rotatable with coupling end and is arranged transverse to pivot axis in adjusting piston |
| 06/12/2014 | DE102012222697A1 Axial piston type adjustment device, has linear movable adjustable piston coupled with swing that is more swingable around pivotal axis, where adjustable piston is coupled with swing and coupling element through drive element |
| 06/12/2014 | DE102012222593A1 Hydrostatic axial piston machine has piston that is supported against sliding surface, engaged with swash plate against axis of rotation of drive shaft at adjustable angle and is moved towards cylinder drum |
| 06/12/2014 | DE102012222464A1 Axial bearing, particularly active magnet bearing for camshaft of high-pressure fuel pump, has two magnet rings and individual magnets inserted in bearing ring, where magnetic rings and individual magnets have same polarity |
| 06/12/2014 | DE102012222398A1 Axial piston machine e.g. axial piston pump has brake disc that is arranged between two adjacent brake plates to surround drive shaft and engaged in peripheral surface of flange of drive shaft |
| 06/12/2014 | DE102012218982A1 Axial piston machine for swash plate construction, has guide shoes guided in recesses by recoil plate that is engaged behind retaining unit, where retaining unit is provided with projection that is engaged behind undercut of swash plate |
| 06/11/2014 | EP2739851A1 Piston pump |
| 06/11/2014 | EP2739850A1 Cylinder assembly for fluid working machine |
| 06/11/2014 | CN103857908A Pump with centralized spring forces |
| 06/11/2014 | CN103850906A Axial piston engine with an inclined cylinder bore |
| 06/11/2014 | CN103850905A Axial piston machine having a conical piston |
| 06/11/2014 | CN103850904A Oblique-shaft type axial plunger pump/motor with novel-structured plunger |
| 06/10/2014 | US8747077 Reciprocating piston machine |
| 06/05/2014 | WO2014083164A1 A fluid inlet/outlet interface for an axial piston motor or pump |
| 06/05/2014 | WO2014082865A1 Pump, particularly an axial piston pump, comprising a scanning surface on the swash plate |
| 06/05/2014 | US20140154099 Pumping system with energy recovery and reverse osmosis system |
| 06/05/2014 | DE10231212B4 Taumelscheibenkompressor Swash plate compressor |
| 06/05/2014 | DE102012222217A1 Rollenstößel Roller plunger |
| 06/05/2014 | DE102012222172A1 Axialkolbenmaschine mit kegelförmigem Kolben Axial piston machine with conical flask |
| 06/05/2014 | DE102012222170A1 Axialkolbenmaschine mit geneigter Zylinderbohrung Axial piston machine with an inclined cylinder bore |
| 06/05/2014 | DE102012221922A1 Pumpe, insbesondere Axialkolbenpumpe mit Abtastfläche an der Schrägscheibe Pump, in particular an axial piston pump with scanning on the swash plate |
| 06/05/2014 | DE102012023798A1 Adjustable hydrostatic axial piston machine e.g. hydro pump inserted with combustion engine, has one pivot bearing that is activated in pivoted position of pivoting cradle while other bearing is disabled, so as to transmit engine power |
| 06/05/2014 | DE102012023272A1 Adjustment device for axial piston machine of hybrid vehicle i.e. passenger car, has piston provided with return device and return pin, return spring connected with pivoting cradle, and return bolts and sleeve that are arranged in housing |
| 06/04/2014 | EP2737208A1 Piston pump for delivering fluids, and corresponding assembly process for a piston pump |
| 06/04/2014 | CN203627109U 可降低磨损的柱塞泵变量机构 Can reduce the wear and tear of piston variable mechanism |
| 06/04/2014 | CN203627108U 一种柱塞式添加泵 Add one kind of plunger pump |
| 06/04/2014 | CN103836241A Regulating valve, in particular for the electroproportional regulation of the pivot angle of a hydraulic machine |
| 06/04/2014 | CN103835909A Adjusting device for hydraulic machine, and hydraulic axial piston machine |
| 06/04/2014 | CN103835908A Oblique shaft type axial plunger pump |
| 06/04/2014 | CN103835907A Axial plunger pump of coal cutter |
| 06/03/2014 | US8742750 Speed sensor pick-up for fluid device |
| 05/29/2014 | US20140147298 Adjusting device for a hydraulic machine, and hydraulic axial piston machine |
| 05/28/2014 | EP2735737A1 Variable displacement axial piston device |
| 05/28/2014 | DE102013210070B3 Mounting structure for unpackaged assembly of hydraulic axial piston machine, has output shaft arranged at opposite side of axial piston, where structure receives supporting forces during working operation of axial piston |
| 05/28/2014 | DE102012221765A1 Pump, particularly high-pressure fuel pump for fuel injection system, has support element with opening between recess and side on which pump piston is supported, where opening extends approximately along recess |
| 05/28/2014 | DE102012221604A1 Roller plunger for pump i.e. fuel high pressure pump, for fuel injector of combustion engine, has roller shaft faced away from through-hole that is formed between inner surface of first plunger part and outer surface of second plunger part |
| 05/28/2014 | DE102012215392A1 Hydrostatic axial piston machine, has control piston adjusting inclination angle of tread with respect to axis of rotation of drum under action of force, where facing end of control piston is acted upon contacting area of swash plate |
| 05/28/2014 | DE102012214807A1 Hydrostatic displacement unit comprises sliding sleeve that is hydraulically slid in one direction through coupling spring and in other direction through annular piston |
| 05/28/2014 | DE102012022999A1 Axial piston engine for use in hydraulic branch of drive train of motor vehicle, has load relieving surfaces, which are formed in slide bearing surface for hydrostatic relief and are independently subjected to high pressure |
| 05/28/2014 | DE102012022998A1 Adjustment device for hydraulic axial piston machine, has swivel cradle acted upon by setting piston along swivel direction and counter piston along another swivel direction, and spring placed above part of adjusting path |
| 05/28/2014 | DE102012022997A1 Verstelleinrichtung für eine Hydromaschine und hydraulische Axialkolbenmaschine Adjusting device for a hydraulic machine and hydraulic axial piston |
| 05/28/2014 | DE10157672B4 Mehrhubige hydrostatische Verdrängermaschine mit schwenkbaren und hydrostatisch entlastbaren Eingriffskörpern Multistroke hydrostatic displacement with swivel and hydrostatic relievable engagement bodies |
| 05/28/2014 | CN203614342U 清洗泵 Cleaning pump |
| 05/28/2014 | CN203614341U 对称布置式四缸往复运动高压注浆泵 Symmetrically arranged four-cylinder reciprocating motion of the high-pressure injection pump |
| 05/28/2014 | CN203614340U 三缸往复式高压注浆泵 Triplex reciprocating high-pressure injection pump |
| 05/28/2014 | CN103827509A 液压闭环系统 Hydraulic closed-loop system |
| 05/28/2014 | CN103827485A 用于燃料高压泵的推杆组件及燃料高压泵 Pusher assembly and the fuel pressure pump for high pressure fuel pump |
| 05/28/2014 | CN102066751B 汽车液压制动系统的活塞泵 Piston pump car's hydraulic brake system |
| 05/27/2014 | US8734127 Hydraulic pump-motor and method of preventing pulsation of hydraulic pump-motor |
| 05/27/2014 | US8734123 Converter for converting mechanical energy into hydraulic energy and robot implementing said converter |
| 05/27/2014 | US8733091 Pump and engine configuration |
| 05/22/2014 | DE102013214861A1 Regulating device for static fluid hydrostatic pump, has power adjusting valve provided with three interfaces and valve slide block, and clapboard provided with throttling bolt, where pressure of pressure interface is reduced |
| 05/22/2014 | DE102012111261A1 Hydrostatic piston pump i.e. outer-acted upon radial piston pump, for hydrostatic drive of bicycle, has stroke trajectory placed apart from transition regions in bottom and top dead center of pistons as stroke trajectory promotion bevel |
| 05/22/2014 | DE102012022695A1 Hydrostatic axial piston machine with diagonal axle construction, has bajonet fitting which is formed between adjustment pin and position piston to secure control lens against sliding of control lens from position piston |
| 05/22/2014 | DE102012022694A1 Regelventil, insbesondere für eine elektroproportionale Schwenkwinkelregelung einer Hydromaschine Control valve, in particular for an electro-proportional swivel angle control of a hydraulic machine |
| 05/22/2014 | DE10062147B4 Kraftstoffeinspritzpumpe Fuel injection pump |
| 05/21/2014 | EP2732160A2 Self adjustable continuously variable power transmission system with a real time variable flow pump. |
| 05/21/2014 | EP2732129A1 High pressure and flow rate pump useful in formation fluid sample testing |
| 05/21/2014 | CN103807126A 用于静压的柱塞单元的调节机构 Adjustment mechanism for static pressure piston unit |
| 05/20/2014 | US8727745 Device and method employing shape memory alloy |
| 05/20/2014 | US8727743 Opposing swash plate piston pump/motor |
| 05/20/2014 | US8727742 Micro compressor |
| 05/20/2014 | CA2675402C Variable volume clearance pocket for a reciprocating compressor cylinder |
| 05/15/2014 | US20140134008 Pump having pulsation-reducing engagement surface |
| 05/15/2014 | US20140130661 Adjustment device for an axial piston machine and hydraulic machine having such an adjustment device |
| 05/15/2014 | DE102012220743A1 Swash plate machine used as axial-piston pump for power-train of motor car, has hydraulic damping device that is provided for reducing speed of pivotal movement of swivel cradle in pivoting angles in proximity of swivel limit angles |
| 05/15/2014 | DE102012218446A1 Hydrostatic axial piston machine for use as e.g. pump, has resetting cylinders provided for pivoting and holding swash plate in predetermined pivoting position and coupled to pivoting swash plate along longitudinal axis of machine |
| 05/15/2014 | DE102012216630A1 Adjusting device for axial piston machine, has control chamber which opens control oil flow path, as nozzle cross-section in short-circuited is different than that in non-short-circuited |
| 05/15/2014 | DE102012214373A1 Hydrostatic axial piston machine for use as pump or motor in hybrid vehicle, comprises adjustment unit for swiveling cradle, and counter piston enforcing discharge fluid path that opens offset towards drive shaft against counter piston axis |
| 05/15/2014 | DE102012110853A1 Axialkolbenmaschine in Schrägscheibenbauweise Axial piston swashplate design |
| 05/15/2014 | DE102012022201A1 Verstellvorrichtung für eine Axialkolbenmaschine und Hydromaschine mit einer derartigen Verstellvorrichtung Adjusting for an axial piston and hydraulic machine with such adjustment |
| 05/15/2014 | DE102012014540A1 Hydrostatische Axialkolbenmaschine Hydrostatic axial piston engine |
| 05/15/2014 | DE102012013177A1 Hydrostatische Verdrängermaschine Hydrostatic displacement |
| 05/14/2014 | EP2729692A1 Combustion engine and pump assembly, and vehicle including such an assembly |
| 05/14/2014 | CN103790795A 用于流体静力的活塞机的调整设备以及具有这种调整设备的流体静力的活塞机 Adjustment device for a hydrostatic piston machine having such adjustment device, and fluid static piston machine |
| 05/13/2014 | US8721300 Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor |
| 05/08/2014 | WO2014070605A1 Crimpless piston-slipper assembly |
| 05/08/2014 | US20140127046 Downhole hydraulic pump |
| 05/08/2014 | DE102012110566A1 Hydrostatic displacement machine e.g. multi-stroke swash plate machine, for use as e.g. pump, has path of stroke disk provided with resilient front sections, which include increased deformability relative to middle section of disk |
| 05/08/2014 | DE102012110564A1 Hydrostatic displacement machine has roller-shaped rolling element that is rotatably mounted in recess of piston by plain bearing and is passed through transverse recess which is widened at two end faces |
| 05/08/2014 | DE102012110485A1 Hydrostatic axial piston machine i.e. swash plate type hydrostatic axial piston machine, for mobile working machine, has hydraulic pressing device pressed against control surface such that pressure is produced at drum in engine operation |
| 05/07/2014 | EP2726737A1 Hydraulic motor or pump and wind turbine generator |
| 05/07/2014 | CN203584790U 柱塞结构 Plunger structure |
| 05/07/2014 | CN203584707U 多泵头同步注射配比可调柱塞泵 Multi-adjustable proportioning piston injection pump head synchronization |
| 05/07/2014 | CN203584702U 径向柱塞泵 Radial Piston Pump |
| 05/07/2014 | CN203584701U 联轴高压柱塞泵 Coupling high-pressure piston pump |
| 05/07/2014 | CN103775298A 径向柱塞式深水潜水泵 Scuba diving radial piston pump |
| 05/06/2014 | US8714938 Variable displacement compressor |
| 05/01/2014 | WO2014063966A1 Pump element for a hydraulic unit having a pump piston |
| 05/01/2014 | WO2013160149A3 Radial piston machine |
| 04/30/2014 | EP2725226A1 Piston pump |
| 04/30/2014 | DE102013225922A1 Hydraulic pump for excavator, has rotatable hydraulic cylinder which is to receive and guide piston and swash plate relative to spindle, and bearing wall is provided with mounting hole in which clutch is mounted |
| 04/30/2014 | DE102012021321A1 Displacement variable hydrostatic axial piston machine i.e. swash plate type displacement variable hydrostatic axial piston machine, for passenger car, has slider acted upon with return force along longitudinal axis of cylinder drum |
| 04/30/2014 | DE102012021320A1 Verstellvorrichtung für eine hydrostatische Kolbenmaschine und hydrostatische Kolbenmaschine mit einer derartigen Verstellvorrichtung Adjusting device for a hydrostatic piston engine and hydrostatic piston engine with such adjustment |
| 04/30/2014 | DE102012009708B4 Pumpe mit mehreren ortsfesten, konzentrisch ringförmigen Magnetanordnungen im Pumpengehäuse, die eine oszillierende Bewegung eines Magnetkolbens in einem angetriebenen Rotor bewirken Pump with a plurality of fixed, concentric annular magnet arrangements in the pump housing, which cause an oscillating movement of a piston in a driven magnet rotor |
| 04/30/2014 | CN103758721A Axial-flow type hydraulic pump with double rows of radial plungers |
| 04/30/2014 | CN103758720A Axial flow distribution radial plunger hydraulic pump for distributing oil by adopting oil distribution conduit |
| 04/29/2014 | US8708667 Fuel pump assembly |
| 04/29/2014 | US8707692 Two piece center section for a drive apparatus |