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