| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 08/15/2000 | US6102010 Fuel supplying apparatus |
| 08/08/2000 | US6098991 Diaphragm stopper construction for a high-pressure accumulator |
| 08/01/2000 | US6095194 Pulsation suppression device for a pump |
| 07/25/2000 | US6093003 Piston pump |
| 07/18/2000 | US6089837 Pump inlet stabilizer with a control unit for creating a positive pressure and a partial vacuum |
| 07/12/2000 | EP1018601A2 Reciprocating pumps with linear motor driver |
| 07/12/2000 | CN1259624A Reciprocating pump having linear motor driving device |
| 07/11/2000 | US6086336 Device to reduce pulsations on a hydrostatic positive displacement unit |
| 06/29/2000 | DE19859186A1 Valve arrangement to supply hydraulic medium to consumer has pulsation damper with two damper volumes and damper throttle in valve housing |
| 06/28/2000 | EP1013927A2 Hydrostatic piston machine |
| 06/27/2000 | US6079313 Pulseless, reversible precision piston-array pump |
| 06/22/2000 | WO2000036329A1 System for conveying liquids without pulsing |
| 06/15/2000 | DE19857593A1 System zur pulsationsfreien Förderung von Flüssigkeiten System for pulsation conveyance of liquids |
| 06/08/2000 | WO2000032932A1 Ball screw driven pump |
| 06/08/2000 | DE19855845A1 Selbstansaugendes Motorpumpenaggregat Self-priming motor pump unit |
| 06/07/2000 | EP1006282A2 Selfpriming motorpump assembly |
| 05/24/2000 | EP0817916A4 Multiple piston pump |
| 05/16/2000 | US6062831 High pressure fuel injection pump |
| 05/16/2000 | US6062830 Diaphragm type damper |
| 05/16/2000 | US6062829 Peristaltic pump |
| 05/04/2000 | WO2000025023A1 Apparatus for damping pulsation of pump |
| 04/13/2000 | DE19846940A1 Pump arrangement, e.g. for diesel engines with common rail fuel injection systems, has distributor for selectively connecting high pressure pump suction ports to priming pump port |
| 04/04/2000 | US6045342 Refrigerant compressor |
| 03/23/2000 | WO2000015962A1 Double-acting pump |
| 03/23/2000 | DE19942867A1 Process for pumping fluid at a constant flow in a hydraulic system uses two out of phase alternating pump units |
| 03/16/2000 | DE19849785C1 Method and device for adjusting feed in oscillating positive-displacement pumps driven by means of driving motor using a rotating shaft and a driving mechanism such as crank gearing, gives versatility in operation |
| 03/02/2000 | WO2000010855A1 Hydraulic brake system with anti-slip system |
| 03/02/2000 | DE19859072A1 Hydraulische Bremsanlage mit Schlupfregelsystem Hydraulic brake system with slip control system |
| 02/24/2000 | DE19837848A1 Pumping of liquid and gases containing solid particles uses positive displacement piston pumps and control valves |
| 02/09/2000 | EP0764253B1 Shock absorber for liquid conduits |
| 01/25/2000 | US6017194 Method of controlling the drive means for a pump delivering liquid to an accumlator |
| 01/13/2000 | WO2000001947A2 Pump mechanism |
| 12/23/1999 | WO1999056052A8 Fluid pulsation reduction device |
| 12/16/1999 | WO1999064283A1 Hydraulic braking system for automobiles |
| 12/09/1999 | DE19825114A1 Hydraulische Fahrzeugbremsanlage Hydraulic vehicle brake system |
| 12/01/1999 | EP0961023A2 High pressure fuel injection pump |
| 11/30/1999 | US5993181 Process and device for feeding concrete or other thick materials |
| 11/30/1999 | US5993174 Pulsation free pump |
| 11/23/1999 | US5988987 Method for merging and/or ratio blending aliquant |
| 11/18/1999 | WO1999058853A1 Piston pump |
| 11/17/1999 | CN1046578C Shock absorber for liquid conduits |
| 11/11/1999 | DE19820902A1 Piston pump for a vehicle hydraulic brake system |
| 11/09/1999 | US5980215 Adjustable hydrostatic pump with additional pressure change control unit |
| 11/04/1999 | WO1999056052A1 Fluid pulsation reduction device |
| 11/03/1999 | EP0953767A2 Hydrostatic machine |
| 10/28/1999 | DE19818721A1 Hydrostatische Maschine Hydrostatic machine |
| 10/26/1999 | US5971728 Resonator device for a high-pressure fuel pump |
| 10/26/1999 | US5971714 Electronic CAM compensation of pressure change of servo controlled pumps |
| 10/26/1999 | US5971713 Pulseless liquid delivery system using a pulsatile pump |
| 10/20/1999 | EP0950810A2 Diaphragm stopper construction for a high-pressure accumulator |
| 10/20/1999 | EP0819028B1 Airless paint sprayer outlet check valve |
| 10/14/1999 | WO1999051477A1 Anti-lock-up vehicle braking system |
| 10/14/1999 | DE19841152A1 Blockiergeschützte Kraftfahrzeug-Bremsanlage Anti-lock automotive vehicle brake system |
| 09/22/1999 | EP0943799A2 Pulsation suppression device for a pump |
| 09/09/1999 | DE19907869A1 Plunger piston pump for delivering fuel by reciprocating motion, especially for motor vehicle's fuel injection system |
| 09/08/1999 | EP0832360B1 Variable displacement electro-hydraulic pump |
| 08/26/1999 | DE19842021A1 Feed pressure pulsation reduction device for fuel pumps |
| 07/14/1999 | CN1222957A Pulsation reducing device |
| 07/01/1999 | WO1999020898A3 Pumps and drive and valve assemblies useful in same |
| 06/29/1999 | US5916139 Hydraulic system and pump |
| 06/29/1999 | US5915929 Low power electromagnetic pump |
| 06/29/1999 | US5915927 Reciprocating pump for generating fluid pressure |
| 06/29/1999 | US5915925 Pulseless liquid supply system for flow cytometry |
| 06/17/1999 | WO1999030038A1 Refrigerating agent compressor with improved pressure chamber |
| 06/02/1999 | EP0918969A1 Noise suppressor for hydraulic systems |
| 05/27/1999 | DE19802043A1 Piston pump with at least two pump cylinders located in pump housing |
| 05/26/1999 | EP0760059A4 Low power electromagnetic pump |
| 05/19/1999 | EP0808421B1 Adjustable hydrostatic pump |
| 05/12/1999 | DE19756727A1 Piston pump |
| 05/12/1999 | DE19753909A1 Hydraulic damper for vehicle |
| 04/29/1999 | WO1999020898A2 Pumps and drive and valve assemblies useful in same |
| 04/28/1999 | EP0853569B1 Hydraulic unit of a slip-controlled motor vehicle brake system |
| 04/21/1999 | CN1214418A Hydraulic system and pump |
| 04/14/1999 | EP0908622A1 Pulsation reducing device |
| 04/14/1999 | EP0781379A4 Engineered pumping segment |
| 04/07/1999 | EP0907030A1 Accumulator, especially for vehicle brake system |
| 03/31/1999 | EP0905374A1 High pressure plunger pump for fuel injection with pulsation damper |
| 03/31/1999 | EP0905372A1 Pumping system for fuel injection |
| 03/31/1999 | CN1212328A Fuel supply system |
| 03/31/1999 | CN1212326A High pressure fuel pump for jet engine in cylinder |
| 03/30/1999 | US5888056 Diaphragm pump |
| 03/30/1999 | US5887790 Unit injector having a cavitation pressure control mechanism |
| 03/25/1999 | WO1999014495A1 Double disc pump |
| 03/18/1999 | DE19840026A1 Metering and mixing system for multiple fluids in separate reservoirs with suction pump and electromagnetic valves |
| 03/09/1999 | US5879136 Electrohydraulic adjustable pump |
| 02/24/1999 | CN1042258C Concrete pump with conveying cylinder |
| 02/04/1999 | DE19732771A1 Piston driven hydraulic pump for vehicle brake system |
| 01/19/1999 | US5860799 Pulsation damper for marine tank pumpout systems |
| 01/06/1999 | CN1204384A Device with at least two drive cylinders |
| 12/29/1998 | US5852931 For motor vehicles |
| 12/16/1998 | EP0883744A1 Pump |
| 12/09/1998 | CN1201109A Fuel-feeding device for engine |
| 12/02/1998 | EP0881379A2 Fuel-feed system for an engine |
| 11/11/1998 | EP0808422B1 Process and device for feeding concrete or other thick materials |
| 11/10/1998 | US5832904 Fuel-feed system for an engine |
| 11/04/1998 | CN1197888A Pressure regulator |
| 10/14/1998 | EP0870110A2 Multichannel microdosing apparatus |
| 10/08/1998 | WO1998044259A1 Pulsation reducing device |
| 10/06/1998 | US5816291 Shock absorber for liquid conduits |
| 09/30/1998 | EP0783395B1 Hydraulic drive unit |