| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 04/24/2013 | EP2584197A1 Radial hydraulic pump with variable eccentricity and flow rate |
| 04/24/2013 | EP2582967A1 Method of maintaining hydraulic pump of the hydraulic transmission in a renewable energy turbine generator and hydraulic pump in a renewable energy turbine generator |
| 04/24/2013 | EP2582966A1 Renewable energy turbine generator provided with hydraulic pump with a segmented cover and method to assembly the pump |
| 04/24/2013 | CN202900558U Inclined-shaft type ration plunger pump |
| 04/24/2013 | CN103069161A Skew plate-type hydraulic rotary machine |
| 04/24/2013 | CN103062005A Hydraulic drive pump and diaphragm pump using same |
| 04/24/2013 | CN101985921B External radial plunger pump of casing tongue sealing mechanism |
| 04/24/2013 | CN101539129B Hydraulic axial piston pump or motor |
| 04/18/2013 | WO2013053670A1 Piston pump for a high-pressure cleaning device |
| 04/18/2013 | WO2013053593A1 Two-part cylinder head for a high-pressure fuel pump with integrated non-return valve |
| 04/18/2013 | DE102011054442A1 Kolbenpumpe für ein Hochdruckreinigungsgerät Piston pump for a high-pressure cleaner |
| 04/17/2013 | CN202883283U Crankshaft type high-pressure washing pump |
| 04/17/2013 | CN103052799A Fluid-working machine and method of operating a fluid-working machine |
| 04/17/2013 | CN102155367B Fully-balanced type double-row radial plunger pump |
| 04/17/2013 | CN102149900B Rotary machine with pistons and a turret |
| 04/16/2013 | US8419383 Piston pump and operating method therefor |
| 04/16/2013 | US8419381 Tandem piston pump |
| 04/16/2013 | US8418493 Refrigerant recovery machine with improved cam wheel assembly |
| 04/11/2013 | WO2013052486A1 Pump with centralized spring forces |
| 04/11/2013 | DE102011054623A1 Hydrostatic axial piston machine has cooling space that is sealed at cylinder block in relation to piston projection space extending axially between eccentric disc and piston recesses in cylinder block |
| 04/10/2013 | EP2577062A1 Piston pump device |
| 04/10/2013 | CN202867172U Pressure compensation variable displacement mechanism used for CY-type axial plunger pump |
| 04/10/2013 | CN202867119U Pneumatic oil pump |
| 04/10/2013 | CN103038509A Fluid working machine and method of operating fluid working machine |
| 04/10/2013 | CN103038506A Fluid working machine and method of operating fluid working machine |
| 04/10/2013 | CN103038505A Cylinder assembly for fluid working machine |
| 04/10/2013 | CN102305690B On-site full-automatic pressure calibrator |
| 04/10/2013 | CN102305689B On-site full-automatic pressure and electric signal calibrator |
| 04/10/2013 | CN102155373B Pneumatically-controlled variable reciprocating pump |
| 04/04/2013 | WO2013045756A1 Fuel injection pump arrangement and method for operating an internal combustion engine |
| 04/04/2013 | WO2013045182A1 Activation unit and method for assembly of an activation unit |
| 04/04/2013 | WO2013045155A1 Plunger assembly for a high-pressure fuel pump, and high-pressure fuel pump |
| 04/04/2013 | WO2012003976A3 Dosing pump unit |
| 04/04/2013 | DE10223844B4 Wasserhydraulische Maschine Water hydraulic machine |
| 04/04/2013 | DE102012214343A1 Hydrostatische Axialkolbenmaschine Hydrostatic axial piston engine |
| 04/04/2013 | DE102011115667A1 Ansteuergerät und Verfahren zur Montage eines Ansteuergeräts A driving apparatus and method for mounting a drive apparatus |
| 04/04/2013 | DE102011115665A1 Valve-controlled hydraulic machine e.g. hydraulic pump has cylinder-piston units that are operated in optimal mode, and are disabled immediately after passing through dead center, and activated during majority of total stroke |
| 04/04/2013 | DE102011115272A1 Hydrostatic radial piston engine has rotor, which is rotatable about rotation axis and has cylinder-piston units, which are circumferentially distributed on rotor |
| 04/03/2013 | CN103026063A Hydraulic dual axial piston machine |
| 04/03/2013 | CN103026055A Axial piston machine |
| 04/03/2013 | CN103026048A 高压泵 High-pressure pump |
| 04/03/2013 | CN103016288A Distribution radial high-pressure plunger pump of servo variable plate |
| 04/03/2013 | CN101821504B Hydraulic axial piston machine |
| 03/28/2013 | WO2013041547A1 Active pressure intensifier, reverse osmosis system and use thereof |
| 03/28/2013 | DE102011053953A1 Hydrostatic axial piston machine has cylinder block rotatably arranged around rotational axis in housing, where cylinder block is provided with piston recess |
| 03/28/2013 | DE102011053952A1 Hydrostatic axial piston machine e.g. swash plate pump, for hydrostatic drive system of vehicle to produce supply pressure, has secondary pump whose conveyor side is formed by reducing intermediate areas during rotation of cylinder block |
| 03/27/2013 | CN202833001U Swash plate type rotary valve flow distributing pure water plunger pump |
| 03/27/2013 | CN202833000U Variable plunger pump |
| 03/27/2013 | CN102996393A Variable load multiple ultra-low speed inner curve wind energy absorbing plunger pump |
| 03/27/2013 | CN102996387A Axial piston machine |
| 03/27/2013 | CN102996386A Axial piston machine with housing filled with pressure medium |
| 03/27/2013 | CN102996385A Hydrostatic axial piston machine |
| 03/27/2013 | CN102996384A Multirow ultra-low-speed inner curve type low-density energy compression plunger pump |
| 03/27/2013 | CN101978158B High-pressure pump |
| 03/27/2013 | CN101842589B Guide ring for a piston pump, and piston pump |
| 03/26/2013 | CA2575575C Method for extracting nylon from waste materials |
| 03/21/2013 | WO2013037611A1 Piston guide sleeve for an axial piston machine, and axial piston machine comprising a piston guide sleeve |
| 03/21/2013 | WO2013037582A1 Adjustment device for a hydrostatic machine and hydrostatic machine |
| 03/21/2013 | WO2013037555A1 Piston pump having a housing and at least one axially movable piston arranged in the piston guide of the housing |
| 03/21/2013 | WO2013037545A1 High-pressure fuel pump for a fuel-injection system, and pump assembly |
| 03/21/2013 | WO2013037543A1 Pump, in particular a high-pressure fuel pump |
| 03/21/2013 | WO2013037537A1 Pump, in particular a high-pressure fuel pump for a fuel injection system of an internal combustion engine |
| 03/21/2013 | WO2012164199A3 Hydraulic transmission device and compact hydraulic starter |
| 03/21/2013 | WO2012100919A3 Hydrostatic machine, in particular axial piston machine |
| 03/21/2013 | DE102011114093A1 Aktiver Druckintensivierer, Umkehrosmose-Anlage und deren Verwendung Active pressure intensifier, reverse osmosis system and their use |
| 03/21/2013 | DE102011113637A1 Hydrostatically displaceable bent-axis machine, has contactless pivoting angle detection unit provided for cylinder drum and including Hall sensor fixed at housing, where cylinder drum is pivoted over at sensor |
| 03/21/2013 | DE102011113533A1 Hydrostatic axial piston machine user for swash plate construction, has cylinder piston unit whose axial section is encompassed with spring |
| 03/21/2013 | DE102011053659A1 Hydrostatic axial piston machine e.g. bent-axis piston machine has leakage oil guidance section provided in rotatable drum arranged within housing, for guiding leakage oil of thruster to suction device connected with exhaust port |
| 03/21/2013 | DE102011053652A1 Hydrostatic axial piston machine e.g. axial piston pump, has cylinder block arranged in housing, and housing lining comprising sleeves that are rotated with respect to respective rotational axes, and ball joint formed between sleeves |
| 03/21/2013 | DE102011053649A1 Hydrostatic axial piston machine e.g. swash plate type axial piston pump, has cladding eccentrically arranged relative to rotation axis of cylinder block, where longitudinal axis of cladding is displaced toward top dead center |
| 03/21/2013 | DE102011053645A1 Hydrostatic axial piston machine e.g. swash plate type axial piston pump, has housing-side resistance parts arranged on inner wall of housing to influence pressurization in housing as result of volumetric flow |
| 03/20/2013 | CN202811241U A plunger pump |
| 03/20/2013 | CN102985691A Hydraulic pump or motor |
| 03/20/2013 | CN101326364B Combined pump housing for several rated quantities |
| 03/20/2013 | CN101305223B Independent displacement opposing pump/motors and method of operation |
| 03/14/2013 | US20130064691 Radial hydraulic motor |
| 03/14/2013 | DE102011082434A1 Stößel Tappet |
| 03/13/2013 | EP2568171A2 Ram |
| 03/13/2013 | CN202789499U Plunger pump with compound material casing body |
| 03/13/2013 | CN202789364U High speed pump |
| 03/13/2013 | CN202789363U Servo variable displacement plunger pump |
| 03/13/2013 | CN102966506A Kolbenpumpe mit nockenbetatigten ventilen |
| 03/13/2013 | CN102966505A Horizontal type volumetric water pump for generating power by utilizing energy of seawater surge |
| 03/13/2013 | CN102966504A Axial plunger pump with baffle type one-way valve and without sliding shoe or oil distributing disc |
| 03/13/2013 | CN102966503A Digital display control variable structure for disc distribution flow radial high pressure plunger pump |
| 03/13/2013 | CN102966502A Disc flow allocation radial variable high pressure plunger pump |
| 03/13/2013 | CN102966501A Disc flow allocation constant power variable radial high pressure plunger pump |
| 03/13/2013 | CN102141022B Double canted disk valve distribution axial plunger type water hydraulic pressure shielding pump |
| 03/12/2013 | US8393878 Structure of preventing water from leakage for the pressurized pump of diaphragm type |
| 03/07/2013 | WO2013031248A1 Thrust bearing for hydraulic continuously variable transmission |
| 03/07/2013 | WO2013031072A1 Method and apparatus for performing maintenance on hydraulic pump, and power generating apparatus of renewable energy type |
| 03/07/2013 | WO2013030874A1 Method of maintaining hydraulic pump of the hydraulic transmission in a renewable energy turbine generator and hydraulic pump in a renewable energy turbine generator |
| 03/07/2013 | WO2013030873A1 Renewable energy turbine generator provided with hydraulic pump with a segmented cover and method to assembly the pump |
| 03/07/2013 | WO2013029971A1 Clamping lever arrangement, method for producing a clamping lever, and actuation unit |
| 03/07/2013 | WO2013001319A3 Self adjustable continuously variable power transmission system with a real time variable flow pump. |
| 03/07/2013 | US20130055888 Valve plate and axial piston hydraulic pump motor including the same |
| 03/07/2013 | DE102011112215A1 Spannhebelanordnung, Verfahren zum Herstellen eines Spannhebels und Ansteuergerät Clamping lever arrangement, method for producing a tensioning lever and drive apparatus |
| 03/06/2013 | EP2564065A1 Bellows backup chamber |
| 03/06/2013 | CN202768311U Piston-type water pump and engineering vehicle |
| 03/06/2013 | CN102959259A Hydrostatic machine, especially axial piston machine |