| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 07/14/1987 | CA1224082A1 Constant-flow-rate dual-unit pump |
| 06/19/1987 | DE3544368A1 Pressure damper |
| 05/19/1987 | US4666374 Methods and apparatus for producing uniform discharge and suction flow rates |
| 04/14/1987 | CA1220378A1 Constant flow positive displacement pump |
| 04/01/1987 | EP0216508A2 A liquid intensifier unit |
| 03/24/1987 | US4652222 Ripple regulating system in a liquid supply system |
| 03/24/1987 | CA1219494A1 Piston pump |
| 03/04/1987 | EP0212728A1 Pump device |
| 02/17/1987 | US4643651 Constant flow rate liquid pumping system |
| 02/10/1987 | US4642035 Cross loop attenuator for hydraulic systems |
| 01/07/1987 | CN86101484A Method for contralling gas etching |
| 11/12/1986 | EP0200722A1 Metering device |
| 11/11/1986 | US4621988 Liquid intensifier unit |
| 09/17/1986 | EP0194474A2 Method for regulating cavitation |
| 07/15/1986 | US4600365 Displacement pump for low-pulsation delivery of a liquid |
| 06/17/1986 | US4595495 Programmable solvent delivery system and process |
| 06/10/1986 | US4594059 Diaphragm pump |
| 05/27/1986 | US4591321 Method and apparatus for removing pressure peaks and damping hydraulic pressure waves and peaks from pressure variations in the feed ducts of a hydraulic pump and a pump for implementing the method |
| 05/13/1986 | USRE32144 For water desalination, using semi-permeable membrane |
| 04/16/1986 | EP0177548A1 A pulsation damper for absorbing pressure pulsations in a high pressure hydraulic system. |
| 04/08/1986 | US4580954 Oscillating-deflector pump |
| 04/08/1986 | CA1202822A1 Apparatus for generating high pressure fluid |
| 04/01/1986 | CA1202544A1 Method of and means for absorbing pressure shocks |
| 02/26/1986 | EP0172421A2 Reciprocating pump |
| 01/29/1986 | EP0169287A1 A piston pump |
| 01/28/1986 | US4566858 Pulsation-free volumetric pump |
| 01/14/1986 | US4564340 Device for regulating the pressure and feed volume of a diaphragm pump |
| 12/03/1985 | US4556371 Constant flow positive displacement pump |
| 11/12/1985 | US4552513 Multiple piston pump control |
| 10/10/1985 | WO1985004463A1 A pulsation damper for absorbing pressure pulsations in a high pressure hydraulic system. |
| 10/09/1985 | EP0157335A2 Method for damping hydraulic pressure shocks or variations in the supply conduits of a hydraulic pump, and pump adapted thereto |
| 09/24/1985 | US4543044 Constant-flow-rate dual-unit pump |
| 09/24/1985 | CA1194008A2 Muffler system for refrigeration compressor |
| 07/31/1985 | EP0150044A2 Damping device for a hydraulic system |
| 05/09/1985 | WO1985001993A1 Metering device |
| 05/07/1985 | CA1186665A1 Muffler system for refrigeration compressor |
| 04/30/1985 | US4514151 Liquid pulsation dampener device |
| 04/23/1985 | US4512722 Device and process for monitoring cavitation in a positive displacement pump |
| 04/09/1985 | US4509904 Metering pump |
| 04/09/1985 | US4509903 Catalyst slave pump |
| 04/03/1985 | EP0136220A1 Pump system for chromatography in the liquid phase |
| 03/26/1985 | US4507063 Gas-filled damping element for damping pressure pulsations |
| 02/28/1985 | EP0115501A4 Method of and means for absorbing pressure shocks. |
| 01/22/1985 | CA1181509A1 Pulsation-free volumetric pump |
| 12/25/1984 | US4490096 Pump system for liquid/solid materials with balanced output |
| 12/04/1984 | US4486160 Pumps and motors |
| 11/27/1984 | US4484866 Piston pump |
| 09/11/1984 | US4470771 Quadraplex fluid pump |
| 08/15/1984 | EP0115672A2 Diaphragm pumps |
| 08/15/1984 | EP0115501A1 Method of and means for absorbing pressure shocks |
| 07/10/1984 | US4459089 Diaphragm pump with improved pressure regulation and damping |
| 06/12/1984 | US4453898 Dual-piston reciprocating pump assembly |
| 05/02/1984 | EP0107572A1 Device and method for the detection of the cavitation protection of a displacement pump |
| 03/20/1984 | CA1163849A1 Arrangement for the pulsation-free delivery of a liquid medium, especially for road marking machines |
| 03/13/1984 | US4436230 Arrangement for pulsation-free feeding of a liquid medium |
| 03/01/1984 | WO1984000797A1 Method of and means for absorbing pressure shocks |
| 02/21/1984 | US4432876 Semipermeability membrane between expansion chamber and pump |
| 02/07/1984 | US4430049 Ripple regulator in a liquid supply system |
| 01/17/1984 | CA1160538A1 Power transmission |
| 01/03/1984 | USRE31480 Fluid control apparatus |
| 10/18/1983 | US4410304 Free piston pump |
| 10/11/1983 | US4409490 Hydraulic plant |
| 08/30/1983 | US4401418 Muffler system for refrigeration compressor |
| 08/16/1983 | CA1151978A1 Pneumohydraulic pumping station |
| 07/12/1983 | US4392791 Pressure pumping and priming pump apparatus |
| 06/14/1983 | US4388053 Fuel feed pump |
| 06/14/1983 | US4387736 Fluid control apparatus |
| 06/09/1983 | WO1983001983A1 Pump systems |
| 06/01/1983 | EP0080385A1 Pump systems |
| 03/29/1983 | US4378183 Apparatus and method for pumping hot, erosive slurry of coal solids in coal derived, water immiscible liquid |
| 02/15/1983 | US4373872 Noise damping device |
| 02/01/1983 | US4371318 Hydraulic fluid power system |
| 01/25/1983 | US4370102 Fluid pumping device |
| 12/14/1982 | US4363607 Radial piston pump |
| 11/30/1982 | CA1136486A1 Radial piston pump or motor having improved porting |
| 11/16/1982 | US4359312 Reciprocating pump for the pulsation-free delivery of a liquid |
| 10/26/1982 | CA1134281A1 Rotary shaft driven reverse osmosis method and apparatus |
| 08/10/1982 | CA1129275A1 Automatic pump sequencing and flow rate modulating control system |
| 06/16/1982 | EP0053920A1 Pumping of liquids |
| 04/28/1982 | EP0050296A1 A pulsation-free volumetric pump |
| 04/27/1982 | US4326837 Pumping apparatus using a stepping motor |
| 04/27/1982 | CA1122479A1 Double-acting differential piston supply pump |
| 04/01/1982 | WO1982001040A1 Apparatus and method for pumping hot,erosive slurry of coal solids in coal derived,water immiscible liquid |
| 03/31/1982 | EP0048535A1 Apparatus and method for pumping hot, erosive slurry of coal solids in coal derived, water immiscible liquid |
| 03/23/1982 | US4321014 Constant flow pumping apparatus |
| 02/17/1982 | EP0045928A1 Power transmission |
| 02/16/1982 | CA1118365A1 Reverse osmosis method and apparatus |
| 02/02/1982 | US4313464 Fluid control apparatus |
| 02/02/1982 | CA1117368A1 Inlet inducer-impeller for piston pump |
| 01/12/1982 | US4310420 Mobile phase supplying method in the liquid chromatography and apparatus therefor |
| 10/21/1981 | EP0037950A1 Method and apparatus for automatically maintaining a pressure constant |
| 10/01/1981 | WO1981002769A1 Pneumohydropumping installation |
| 09/08/1981 | US4288326 Rotary shaft driven reverse osmosis method and apparatus |
| 08/04/1981 | US4281971 Inlet inducer-impeller for piston pump |
| 08/04/1981 | US4281687 Fluid storage device |
| 07/14/1981 | US4278984 Constant flow rate liquid supply pump |
| 06/16/1981 | CA1103219A1 Pressurized fluid flow generator |
| 05/26/1981 | US4269569 Automatic pump sequencing and flow rate modulating control system |
| 04/28/1981 | US4264287 Fuel pump assembly of fuel injection system |
| 04/07/1981 | US4260342 Dual-piston reciprocating pump assembly |