| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 09/24/1998 | DE19752546A1 Piston pump for use in hydraulic brake system of vehicles |
| 09/24/1998 | DE19752545A1 Piston pump for vehicle brake system |
| 09/23/1998 | EP0865829A2 Airless paint sprayer intake dampener |
| 09/17/1998 | DE19807728A1 Compressor |
| 09/17/1998 | DE19709740A1 Pressure controller especially for vehicle brakes |
| 09/09/1998 | EP0863306A1 Pressure regulator |
| 09/03/1998 | DE19708142A1 Hydraulic braking system especially for automobile |
| 09/02/1998 | EP0861981A2 Pulsation damper for marine tank pumpout systems |
| 09/02/1998 | EP0861374A1 Device with at least two drive cylinders |
| 08/25/1998 | US5797733 Low power electromagnetic pump |
| 08/25/1998 | US5797430 Adaptive hydropneumatic pulsation damper |
| 08/20/1998 | DE19706116A1 Pulsation reducing device for hydrostatic displacement unit |
| 08/20/1998 | DE19706114A1 Pulsation reducing device for hydrostatic displacement unit |
| 08/11/1998 | US5791141 Method and apparatus for reduction of fluid borne noise in hydraulic systems |
| 07/23/1998 | DE19721823A1 Gravel pump |
| 07/22/1998 | EP0853569A1 Hydraulic unit for a slip-controlled motor vehicle brake system |
| 07/22/1998 | EP0784764B1 Automatic gearbox with a positive-displacement pump |
| 07/09/1998 | WO1998011344A3 Pulseless, reversible precision piston-array pump |
| 06/30/1998 | US5772414 Pump head pressure equalizer with biasing member limited movement diaphragm |
| 06/25/1998 | DE19654098A1 Dental care device for mouth toilet pressure-wash and care and cleaning of teeth and gums |
| 06/04/1998 | DE19649397A1 Operating positive displacement pump to transport medium |
| 05/28/1998 | DE19648408A1 Piston pump for supplying anti-lock braking system for vehicles |
| 05/26/1998 | US5755561 Piston pumping system delivering fluids with a substantially constant flow rate |
| 05/13/1998 | EP0840854A1 Peristaltic pump |
| 05/06/1998 | EP0840009A2 High pressure pump |
| 04/07/1998 | US5735313 Noise suppressor |
| 04/01/1998 | EP0832360A1 Variable displacement electro-hydraulic pump |
| 03/31/1998 | US5733108 Hermetic refrigeration compressor |
| 03/25/1998 | CN1177393A Method and device for feeding concrete or other thick materials |
| 03/19/1998 | WO1998011344A2 Pulseless, reversible precision piston-array pump |
| 03/11/1998 | CN1175664A Electronic cam compensation of pressure change of servo controlled pumps |
| 03/05/1998 | WO1998009108A1 Noise suppressor for hydraulic systems |
| 03/05/1998 | DE19738524A1 Hydraulic pump e.g. for ABS brake system |
| 03/03/1998 | US5722817 Noise-reducing apparatus for linear compressor |
| 02/18/1998 | CN1173912A Adjustable hydrostatic pump |
| 02/11/1998 | CN1172905A Diaphragm pump |
| 01/27/1998 | US5711655 Pump system using a vacuum chamber and mechanical pump combinations |
| 01/22/1998 | DE19641779C1 Hydraulic motor designed for quiet running |
| 01/22/1998 | DE19627437A1 Control system for a hydraulic pump with pulsating flow |
| 01/21/1998 | EP0819028A1 Airless paint sprayer outlet check valve |
| 01/14/1998 | EP0817916A1 Multiple piston pump |
| 01/07/1998 | EP0816677A2 Reciprocating pump |
| 12/16/1997 | US5697216 Method and apparatus for reduction of fluid borne noise in hydraulic systems |
| 12/03/1997 | EP0810370A2 Electronic cam compensation of pressure change of servo controlled pumps |
| 11/26/1997 | EP0808422A1 Process and device for feeding concrete or other thick materials |
| 11/26/1997 | EP0808421A1 Adjustable hydrostatic pump |
| 11/12/1997 | EP0806567A2 Apparatus for treating viscous multi-component elastomeres |
| 11/04/1997 | US5683228 Oil pump cavitation relief |
| 10/30/1997 | WO1997024528A3 Multichannel microdosing apparatus |
| 10/29/1997 | EP0802832A2 Airless paint sprayer intake dampener and inlet valve spring |
| 10/22/1997 | EP0801982A2 Plunger type burette |
| 10/16/1997 | WO1997038233A1 Method and apparatus for reduction of fluid borne noise in hydraulic systems |
| 10/15/1997 | EP0681653B1 Cyclic hydraulic pump |
| 10/09/1997 | WO1997037129A1 Pump for fluids |
| 10/02/1997 | DE19611637A1 Operating peristaltic pump with several compression components |
| 09/30/1997 | CA2049843C Saturated fluid pumping apparatus |
| 09/11/1997 | DE19608596A1 Radial piston pump with eccentric |
| 09/09/1997 | US5664937 Precisely flow-controlling pump |
| 09/04/1997 | WO1997032128A1 Pump |
| 08/28/1997 | DE19621897C1 Extreme-pressure counterbalancing equipment, particularly for injection system of large diesel engine. |
| 08/21/1997 | DE19605312A1 Piston pump giving output free of pulsations |
| 07/24/1997 | WO1997026457A1 Method and device for metering liquids |
| 07/23/1997 | EP0784764A1 Automatic gearbox with a positive-displacement pump |
| 07/16/1997 | EP0783395A1 Hydraulic drive unit |
| 07/10/1997 | WO1997024528A2 Multichannel microdosing apparatus |
| 07/02/1997 | EP0781379A1 Engineered pumping segment |
| 06/17/1997 | US5639219 Airless paint sprayer intake dampener and inlet valve spring |
| 05/28/1997 | DE19543780A1 Radial piston pump for oil |
| 05/22/1997 | WO1997018394A1 Device with at least two drive cylinders |
| 05/22/1997 | CA2237612A1 Device with at least two drive cylinders |
| 04/30/1997 | CN1148883A Shock absorber for liquid conduits |
| 04/25/1997 | CA2188710A1 Field installable choke tube |
| 04/17/1997 | WO1997013667A1 Damped high pressure fluid pump |
| 04/10/1997 | WO1997012790A1 Hydraulic unit for a slip-controlled motor vehicle brake system |
| 04/03/1997 | DE19536847A1 Hydraulisches Aggregat für eine schlupfgeregelte Kraftfahrzeug-Bremsanlage Hydraulic unit for a slip-controlled motor vehicle brake system |
| 04/02/1997 | CN1146533A Noise-reducing device for linear compressor |
| 04/01/1997 | US5616010 Multiple cylinder engine featuring a reciprocating non-rotating piston rod |
| 03/26/1997 | EP0764253A1 Shock absorber for liquid conduits |
| 03/11/1997 | US5609300 Airless paint sprayer outlet check valve |
| 03/05/1997 | EP0760059A1 Low power electromagnetic pump |
| 02/20/1997 | DE19529894A1 Peristaltic pump for liquids or gases |
| 02/13/1997 | WO1997005386A1 Peristaltic pump |
| 01/29/1997 | EP0619859B1 Peristaltic pump having means for reducing flow pulsation |
| 01/23/1997 | DE19613080C1 Pump for liquids, with reduced pressure fluctuation |
| 01/21/1997 | US5595476 Pump shaft driven inlet and outlet radial pin arrangement for reducing fluid ripple |
| 01/14/1997 | US5593288 Liquefied gas pump |
| 12/31/1996 | US5588808 Device for elevating a pressure acting on a liquid |
| 12/31/1996 | US5588805 Vibration and pressure attenuator for hydraulic units |
| 12/19/1996 | DE19521574A1 Hydrostatic pump or motor with cylindrical drum |
| 12/12/1996 | DE19520620A1 Pulsation damper for smoothing liquefied gas delivery flow |
| 12/10/1996 | US5582006 Method and apparatus for reduction of fluid borne noise in hydraulic systems |
| 12/04/1996 | EP0745188A1 Hydraulic actuator for pressure switch of fluidic system |
| 11/19/1996 | US5575632 Engineered pumping segment |
| 11/14/1996 | WO1996035876A1 Pump device |
| 11/12/1996 | US5573381 Internally regulated self priming fuel pump assembly |
| 11/05/1996 | US5570999 Electromagnetic pump having an automatic exhaust-control valve |
| 10/31/1996 | WO1996021519A3 Airless paint sprayer intake dampener and inlet valve spring |
| 10/10/1996 | WO1996031285A1 Airless paint sprayer outlet check valve |
| 10/10/1996 | CA2214419A1 Airless paint sprayer outlet check valve |
| 10/01/1996 | US5560205 Attenuation of fluid borne noise |