| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 09/16/2009 | CN100540890C Piston pump |
| 09/15/2009 | US7588423 Pump for liquid chromatograph |
| 09/10/2009 | US20090223359 Hydraulic Machine Arrangement |
| 09/10/2009 | DE10310124B4 Flachdichtung Flat seal |
| 09/10/2009 | DE102008012674A1 Multiple-stroke radial piston pump or radial piston compressor, has pistons coupled with bar such that pistons are moved back and forth at relative rotation of inner part with respect to outer part by forcing bar into cylinders |
| 09/10/2009 | DE102008012404A1 Hydrostatic displacement device i.e. bent-axis machine, has set piston device staying in effective connection with base and comprising oil volume for pulsation reduction, where volume is connected with surface for connection with bores |
| 09/09/2009 | CN201306256Y Axial plunger variable pump |
| 09/09/2009 | CN101529092A Axial piston engine having a housing comprising a radially extended inner section |
| 09/09/2009 | CN100538065C Variable displacement radial piston pump |
| 09/08/2009 | US7585158 Piston engine comprising a pulsation-reducing device |
| 09/03/2009 | US20090220364 Reciprocating-Piston Compressor Having Non-Contact Gap Seal |
| 09/03/2009 | US20090220356 Swash plate type variable displacement compressor |
| 09/03/2009 | US20090218457 Shell type needle roller bearing, support structure for compressor spindle, and support structure for piston pump driving portion |
| 09/03/2009 | DE102008029245A1 Vehicle brake system piston pump for adjustable brake system, has reset spring whose one end is indirectly fixed at valve seat carrier and another end elastically subjects piston, where reset spring exhibits different winding diameters |
| 09/02/2009 | EP1735571B1 Temperature control for free-piston cryocooler with gas bearings |
| 09/02/2009 | CN201301786Y 电动油泵 Electric pumps |
| 09/02/2009 | CN101523049A Piston pump for a motor vehicle braking system, comprising a piston rod |
| 09/02/2009 | CN100534395C Medical pump |
| 08/27/2009 | WO2009103508A1 Retraction ball for a hydrostatic piston machine |
| 08/27/2009 | DE102008017535B3 Radial piston pump for pumping gear oil into closed circulation system, has particularly monolithic cylindrical block with two cylinders formed in cylinder block |
| 08/27/2009 | DE102008010286A1 Piston pump, particularly radial piston fuel pump for internal combustion engine, has oil impinged chamber, where displacing piston is guided in hollow cylinder with front surface on outer periphery of hollow cylinder |
| 08/26/2009 | EP2093425A1 Swash plate type piston pump motor |
| 08/26/2009 | EP2093421A1 A high pressure pump for supplying fuel to a fuel injection system |
| 08/26/2009 | EP2092192A1 Hydrostatic axial piston engine |
| 08/26/2009 | CN201297242Y Constant-pressure variable radial plunger pump |
| 08/26/2009 | CN201297232Y Radial plunger motor for emulsion liquid |
| 08/26/2009 | CN101517243A Hydrostatic drive unit |
| 08/26/2009 | CN101517242A Valve arrangement for a hydrostatic machine, in particular for an axial piston machine |
| 08/26/2009 | CN100533000C Temperature control for free-piston cryocooler with gas bearings |
| 08/26/2009 | CN100532823C Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 08/20/2009 | WO2009100858A1 Device for concentrating a liquid by means of a differential piston pump |
| 08/20/2009 | US20090208355 Radial piston fuel supply pump |
| 08/20/2009 | DE202009007371U1 Kolbenpumpe Piston pump |
| 08/20/2009 | DE102008009815A1 Rückzugkugel für eine hydrostatische Kolbenmaschine Retraction ball for a hydrostatic piston engine |
| 08/19/2009 | EP2002169B1 Lubricant or hydraulic pump |
| 08/19/2009 | CN201292923Y Positive and negative rotating axial plunger pump |
| 08/19/2009 | CN100529389C Hydrostatic axial piston machine and use of said machine |
| 08/13/2009 | WO2009098163A1 Engine-driven hydraulic pump |
| 08/13/2009 | WO2009098095A1 Cam free of transverse force for common-rail high-pressure pumps |
| 08/13/2009 | US20090199706 Axial Piston Machine |
| 08/13/2009 | US20090199554 Hydraulic Stepless Transmission |
| 08/13/2009 | DE102008009246A1 Hochdruckreinigungsgerät High pressure cleaning equipment |
| 08/13/2009 | DE102008008438A1 High-pressure pump has tappet, which serves for indirect support of piston with longitudinal axis at drive shaft over roller, which is pivotally coupled with tappet |
| 08/13/2009 | DE102008007840A1 Triebwerksgetriebene Hydraulikpumpe Engine-driven hydraulic pump |
| 08/13/2009 | DE102007004605B4 Hochdruckpumpe und Einspritzanlage für eine Brennkraftmaschine mit einer Hochdruckpumpe High-pressure pump and fuel injection system for an internal combustion engine with a high pressure pump |
| 08/13/2009 | CA2712723A1 Engine-driven hydraulic pump |
| 08/12/2009 | EP2087239A2 Metering and pumping devices |
| 08/12/2009 | EP2087235A1 Direct crankshaft of air compressor |
| 08/12/2009 | CN201288632Y Plunger for plunger type hydraulic motor |
| 08/12/2009 | CN100526645C Electric control method and electric control device for plunger variable hydraulic pump |
| 08/12/2009 | CN100526643C Pump control override for tandem pumps |
| 08/12/2009 | CN100526640C Fluid machine with radial cylinders |
| 08/11/2009 | US7571713 High-pressure pump for a fuel injection system of an internal combustion engine |
| 08/06/2009 | WO2009096118A1 Hydraulic pump motor and fan driver |
| 08/06/2009 | WO2009096117A1 Hydraulic pump motor |
| 08/06/2009 | DE102008007406A1 High pressure pump has plunger, which is provided with longitudinal axis at drive shaft over roller for indirect supporting of piston, where roller is coupled with plunger in rotating manner |
| 08/06/2009 | DE102008007342A1 Querkraftfreier Nocken für Common-Rail-Hochdruckpumpen Lateral force-free cams for common-rail high-pressure pumps |
| 08/06/2009 | DE102008007028A1 High-pressure pump, particularly feeding pump for feeding fluid for storage injection system for internal-combustion engine of motor vehicle, has carrier element and driving shaft that is mounted in carrier element |
| 08/05/2009 | EP2085613A2 High pressure valve assembly |
| 08/05/2009 | EP1506349B1 Radial piston pump for a fuel injection system having improved high-pressure resistance |
| 08/05/2009 | CN201284727Y Two-stage flux plunger water pump and fire extinguishing system composed of the same |
| 08/05/2009 | CN201284726Y Improved axial plunger pump |
| 08/05/2009 | CN101501331A Sealing and guiding device for a piston of a piston pump |
| 08/05/2009 | CN101498292A Pump |
| 08/05/2009 | CN100523494C High pressure pump for internal combustion engine fuel jet pump |
| 08/04/2009 | US7568895 Dual capacity compressor |
| 07/30/2009 | US20090191068 Variable volume reservoir |
| 07/30/2009 | DE19882790B4 Radialkolben-Hydraulikmotor Radial piston hydraulic motor |
| 07/30/2009 | DE102008006123A1 Radial piston machine for use as multi-stroke radial piston motor, has adjusting device for adjusting relative position of commutator with respect to lifting ring in sense of phase shift |
| 07/29/2009 | EP1187989B1 Swashplate type axial-piston pump |
| 07/29/2009 | CN201281007Y Self- radiation axial plunger pump |
| 07/29/2009 | CN101495748A Vehicle brake system piston pump comprising a piston |
| 07/28/2009 | US7566207 Dual pump transmission |
| 07/23/2009 | US20090185920 System and Method for Pumping Fluid Using a Pump Cassette |
| 07/23/2009 | US20090185917 Pressure Exchanger |
| 07/23/2009 | DE102008005319A1 Device for separating drinking water fraction from sea water, has piston coupled to pushing-/traction element that is rotatably supported in eccentric, and valve control comprising control element that is movable by traction element |
| 07/22/2009 | EP2079930A2 Piston pump for a motor vehicle braking system, comprising a piston rod |
| 07/22/2009 | EP2079923A1 Piston pump, in particular high-pressure fuel pump, having roller tappet |
| 07/22/2009 | CN201277156Y Flux-adjustable multi-cylinder reciprocating pump |
| 07/22/2009 | CN101487458A Axial variable displacement plunger pump of swash plate |
| 07/22/2009 | CN100516513C 160Mpa electro-hydraulic proportional control radial piston pump |
| 07/21/2009 | US7563078 Reciprocating compressor |
| 07/16/2009 | WO2009086988A2 Hydraulic fluid pump having a diaphragm as a sealing element |
| 07/16/2009 | WO2009049776A8 Radial piston pump |
| 07/16/2009 | US20090182276 Fluid Delivery Device with Autocalibration |
| 07/16/2009 | US20090180900 Radial piston fuel supply pump |
| 07/16/2009 | US20090179044 Fluid Delivery Device with Autocalibration |
| 07/16/2009 | US20090178552 Variable capacity compressor |
| 07/15/2009 | EP1297259A4 Hydraulic pump and motor |
| 07/14/2009 | US7559208 Displacement control mechanism for variable displacement compressor |
| 07/09/2009 | WO2009083153A1 Pivoting-base mounting for axial piston machines |
| 07/09/2009 | US20090177160 Fluid Delivery Device with Autocalibration |
| 07/09/2009 | DE102006016730B4 Rotationskolbenmaschinen Rotary piston engine |
| 07/08/2009 | EP2076669A1 Tappet assembly for a high-pressure pump and high-pressure pump comprising at least one tappet assembly |
| 07/08/2009 | CN101479472A Piston pump for a vehicle braking system with a sealing element |
| 07/08/2009 | CN100510391C Piston pump with slot-controlled inlet valve |
| 07/02/2009 | WO2009080425A1 High-pressure fuel pump |
| 07/02/2009 | DE19642022B4 Axialkolbenmaschine in Schrägscheibenbauweise, insbesondere Radmotor Axial piston swashplate design, in particular wheel motor |
| 07/02/2009 | DE112007002018T5 Hydraulische Rotationsmaschine Hydraulic rotary machine |
| 07/02/2009 | DE102008013010A1 Schwenkwiegenlagerung für Axialkolbenmaschinen Pivoting cradle bearing for axial piston |