| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
|---|
| 10/11/1994 | US5354181 Hydraulic piston pumps equipped with suction valve |
| 10/11/1994 | US5354180 Hydrostatic assembly having multiple pumps |
| 10/05/1994 | EP0564500B1 A radial piston motor or pump |
| 10/05/1994 | EP0561933B1 A radial piston motor or pump |
| 10/04/1994 | US5352095 Method for controlling hydraulic pump driven by engine |
| 09/29/1994 | WO1994021891A1 Hydraulic regenerative braking and four wheel drive system |
| 09/29/1994 | DE4310062A1 Radial piston machine |
| 09/21/1994 | EP0616129A1 Torque control by the inclination angle or by the eccentricity of a hydrostatic machine with axial or radial pistons |
| 09/15/1994 | WO1994020753A2 Cyclic hydraulic pump |
| 09/15/1994 | DE4407563A1 Slow-speed, high-torque hydraulic motor, containing a connection between at least two parts, which is intended to transmit a moment |
| 09/15/1994 | DE4322309C1 Device for delivering and injecting liquid |
| 09/15/1994 | CA2157906A1 Cyclic hydraulic pump |
| 09/08/1994 | DE4307165A1 Hydraulic piston machine with back pressure |
| 09/08/1994 | DE4306902A1 Arrangement for fastening a component in a bore by means of an expansion connection |
| 09/07/1994 | EP0613525A1 Water pumps and motors |
| 09/07/1994 | CN1025881C Power transmission |
| 09/01/1994 | DE4321770C1 Axial-piston machine comprising a cam body having at least one spherical boundary surface |
| 09/01/1994 | DE4305791A1 Radial-piston pump, in particular fuel pump for internal combustion engines |
| 08/25/1994 | DE4241826A1 High-pressure pump having a radial piston and an attenuation layer |
| 08/24/1994 | EP0611887A1 Fluid pressure generation apparatus |
| 08/24/1994 | CN1025754C Port plate of low-noise axial plunger pump |
| 08/23/1994 | US5340285 Motor pump assembly with variably set eccentric |
| 08/17/1994 | EP0610940A1 Regulator for a variable displacement pump |
| 08/16/1994 | US5338160 Individual controllable cylinder-plunger assemblies of a radial piston pump |
| 08/11/1994 | DE4303380A1 Hydrostatic piston machine |
| 08/09/1994 | US5336056 Variable capacity swash plate type refrigerant compressor having a double fulcrum hinge mechanism |
| 08/04/1994 | WO1994017308A1 Process for regulating the capacity of lubricant pumps and lubricant pump therefor |
| 08/02/1994 | US5333999 Variable displacement compressor |
| 08/02/1994 | US5333998 Pintle fixing construction for radial plunger pump |
| 08/02/1994 | US5333453 High-efficiency reduced-noise swash-plate-type hydraulic device |
| 07/27/1994 | EP0608144A2 Axial piston pump |
| 07/26/1994 | US5332371 Hydraulic system |
| 07/21/1994 | WO1994016224A1 Hydraulic axial piston machine with an inclined plate |
| 07/21/1994 | WO1994016223A1 Slanting plate arrangement in a hydraulic axial piston machine |
| 07/21/1994 | WO1994016222A1 End flange of a hydraulic machine |
| 07/21/1994 | WO1994016221A1 Pressure-applying arrangement in a hydraulic axial piston machine |
| 07/21/1994 | WO1994016220A1 Hydraulic piston machine |
| 07/21/1994 | WO1994016219A1 Hydraulic axial piston machine |
| 07/21/1994 | WO1994016218A1 Hydraulic piston machine |
| 07/21/1994 | WO1994016217A1 Hydraulic machine and method for assembling a piston and slider shoe unit |
| 07/21/1994 | WO1994016216A1 Method of mounting a bushing in a base member of a hydraulic machine, and a hydraulic machine |
| 07/20/1994 | CN2172353Y Dual-cylinder plunger pump |
| 07/20/1994 | CN1089690A Unitary hydraulic housing |
| 07/20/1994 | CN1089686A Variable displacement hydrostatic device and neutral return mechanism therefor |
| 07/07/1994 | WO1994015097A1 Device for controlling pressure in cylinder chamber of hydraulic pump motor |
| 07/06/1994 | EP0524922B1 Synchronization mechanism for radial piston machine |
| 07/06/1994 | EP0389644B1 Variable capacitance, oblique spindle type hydraulique machine |
| 06/30/1994 | DE4338896A1 Axial piston pump for high pressure water cleaner - has integral metal or fibre reinforced swashplate with peripheral toothing for drive pinion |
| 06/30/1994 | DE4243667A1 Piston pump for hydraulic system with non-return type inlet valve |
| 06/29/1994 | CN1088662A Apparatus for producing of fluidic pressure |
| 06/29/1994 | CN1088657A Volumetric fluid machine |
| 06/28/1994 | US5323688 Hydraulic regenerative braking and four wheel drive system |
| 06/23/1994 | WO1994013518A1 Noise-reduced pumping set, in particular for regulated brake systems |
| 06/23/1994 | DE4243075A1 Control system for hydraulic pump |
| 06/23/1994 | DE4242420A1 Pump for vehicle hydraulic antilock braking system |
| 06/22/1994 | EP0602231A1 Hydrostatic machine with axial thrust compensation. |
| 06/16/1994 | DE4241825A1 Radial piston pump for controlled brake systems - has elastomeric damping layer between drive shaft and piston |
| 06/15/1994 | EP0601751A1 Electric-motor in-line integrated hydraulic pump |
| 06/15/1994 | CN1087972A Axial plunger pump and motor |
| 06/15/1994 | CN1087971A Axial plunger variable pump |
| 06/15/1994 | CN1025064C high pressure water pump |
| 06/14/1994 | US5320501 Electric motor driven hydraulic apparatus with an integrated pump |
| 06/14/1994 | US5320498 Structure for plunger pump |
| 06/09/1994 | WO1994012790A1 Measuring device for observing the displacement volume setting of axial piston engines |
| 06/09/1994 | WO1994012789A1 Valve with few components, especially a pressure valve for a radial piston pump |
| 06/09/1994 | WO1994012375A1 Immersion-proof abs/drive slip control pumping assembly with check valve |
| 06/07/1994 | US5318001 Distributor type fuel injection pump |
| 06/07/1994 | US5317873 High efficiency reduced-noise swash-plate-type hydraulic device |
| 06/01/1994 | DE4306886C1 Slide element for radial piston engine - consists of single-coil spring made of hardened spring steel and is connected to multiple of pistons |
| 05/31/1994 | US5316451 Valve porting for rotating barrel ram pump |
| 05/26/1994 | WO1994011633A1 Axial piston machine |
| 05/26/1994 | DE4239362A1 Ventil, insbesondere Druckventil für eine Radialkolbenpumpe, mit wenigen Komponenten Valve, in particular pressure valve for a radial piston pump, with few components |
| 05/26/1994 | DE4239361A1 Tauchdichtes ABS/ASR-Pumpenaggregat mit Rückschlagventil Diving Waterproof ABS / ASR-pump unit with non-return valve |
| 05/18/1994 | EP0597754A1 Rotary piston machine |
| 05/18/1994 | EP0597090A1 Swash plate piston pump/motor |
| 05/18/1994 | EP0305548B1 Variable-capacity hydraulic motor |
| 05/11/1994 | WO1994010443A1 Volumetric fluid machine equipped with pistons without connecting rods |
| 05/11/1994 | WO1994010442A1 Volumetric fluid machine equipped with pistons without connecting rods |
| 05/11/1994 | DE4237506A1 Axialkolbenmaschine Axial piston |
| 05/11/1994 | CN2164469Y Hydraulic pump |
| 05/11/1994 | CA2145766A1 Volumetric fluid machine equipped with pistons without connecting rods |
| 05/03/1994 | US5307731 Housing system for hydraulic units |
| 04/27/1994 | EP0593913A2 Electrically driven hydraulic pump |
| 04/27/1994 | CN2163247Y Suspended shaft radial plunger fuel pump |
| 04/21/1994 | DE4233990A1 High pressure cleaning equipment using piston pump - has eccentric in sideways engagement with hollow piston, having ball bearing fitting into groove in piston which has stop against which eccentric presses |
| 04/20/1994 | CN1024292C Refrigerant compressor |
| 04/19/1994 | US5304046 Fluid transport device |
| 03/29/1994 | US5297941 Control systems for hydraulic pumps of the variable displacement type |
| 03/24/1994 | DE4231784A1 Electrically-driven hydraulic pump - cools control stage for collectorless electric motor by hydraulic fluid handled by pump |
| 03/22/1994 | US5295797 Radial piston pump |
| 03/22/1994 | US5295796 Variable displacement hydraulic piston pump with torque limiter |
| 03/22/1994 | US5295370 Air conditioner |
| 03/22/1994 | CA1327915C Positive displacement pump or motor utilizing a self-lubricated bearing |
| 03/17/1994 | DE4323036A1 Hydraulic, axial piston motor with inclined axis design - has control disc with aperture defining control edge on its cylindrically arcuated side |
| 03/17/1994 | DE4239145C1 Meßeinrichtung zum Erfassen der Verdrängungsvolumen-Einstellung von Axialkolbenmaschinen Sensing means for detecting the displacement volume setting of axial piston |
| 03/10/1994 | DE4229969A1 Hydropneumatic actuating system lifting lorry axle - is housed in axle tube with pump coupled to wheel hub |
| 03/09/1994 | EP0585609A1 Hydrostatic machine with axial thrust balancing |
| 03/03/1994 | DE4229007A1 Axial piston machine of swashplate type - has several, spaced setting pistons for swashplate relief of working piston forces in all conditions. |
| 03/02/1994 | CN1023911C Multipurpose pump for inflating and sucking liquid |
| 02/17/1994 | WO1994003726A1 Fluid pressure generation apparatus |