| Patents for F04B 17 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors (9,703) |
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| 06/06/1990 | CN1008307B Measuring control device for ink jet and fluid supply circuit |
| 06/05/1990 | CA1270027A1 Piezoelectric fluid pumping apparatus |
| 05/31/1990 | WO1990005851A1 Electromagnetic pump |
| 05/31/1990 | DE3839689A1 Hydraulic pump unit |
| 05/22/1990 | US4927334 Liquid pump driven by elements of a giant magnetostrictive material |
| 05/22/1990 | CA1269278A1 Viscous damped valve for hydraulic pump |
| 05/21/1990 | CA2003399A1 Electromagnetic pump |
| 05/16/1990 | CN2057227U Vertical reciprocating piston pump |
| 05/15/1990 | CA1268992A1 Positive shut off electromagnetic fluid pump |
| 05/08/1990 | US4924031 Water-tight structure for multicore cable |
| 04/26/1990 | DE3934494A1 Vehicle electromagnetically-actuated piston pump esp. for heater fuel - incorporates free intake in central aperture of annular pole piece carried on hollow cylindrical support |
| 04/25/1990 | EP0364816A1 Electro-hydraulic motor pump unit |
| 04/18/1990 | CN1041422A Reciprocating engine for directly outputting power of oil pressure |
| 04/17/1990 | US4917052 Water pump apparatus in an internal combustion engine |
| 04/17/1990 | CA1267810A1 Fuel/oil pump |
| 03/28/1990 | EP0360204A1 Unit apt to act upon the flow |
| 03/28/1990 | CN2055192U Impulse transmission pump |
| 03/20/1990 | US4910529 Multifunction cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head |
| 03/20/1990 | US4909712 Electromagnetic fluid pump having "O" ring seals to facilitate disassembly |
| 02/21/1990 | CN2053309U Accelerator for circulating heating water |
| 02/08/1990 | WO1990001117A1 Pipe shunt for a two-cylinder pump for viscous fluids |
| 02/06/1990 | US4898519 Deep well solar pump |
| 02/05/1990 | EP0246227A4 Cyclic speed control apparatus in variable stroke machines. |
| 01/31/1990 | CN1039285A Dual-cylinder magnetic pump |
| 01/30/1990 | US4897822 PLL sonic bilge pump switch |
| 01/25/1990 | DE3824466A1 Mehrzylinder-dickstoffpumpe Multi-cylinder thick fuel pump |
| 01/23/1990 | US4895495 Electromagnetic pump with projections formed on the coil bobbin |
| 01/08/1990 | EP0261180A4 Anti-contamination flow control in liquids. |
| 12/28/1989 | DE3821320A1 Pressure-medium source for a hydraulic system, in particular a brake system |
| 12/20/1989 | CN2049692U 电磁泵 Electromagnetic pump |
| 12/20/1989 | CN2049691U 磁塞泵 Magnetic piston pump |
| 12/20/1989 | CN1006172B Electro-magnetic repulsive-atractive compression engine |
| 12/14/1989 | WO1989012166A1 Multichamber pump, valve for such a pump and use of the pump |
| 12/06/1989 | EP0345210A1 Multichambers pump, valve for such a pump and use of it |
| 12/06/1989 | CN2048903U Electricity controlling magnetic pump |
| 12/05/1989 | US4884953 Solar powered pump with electrical generator |
| 12/05/1989 | US4884405 Valve arrangement for a piston charger driven by exhaust gas pulses |
| 11/28/1989 | US4883823 Preparing methanol |
| 11/28/1989 | US4883411 Wave powered pumping apparatus and method |
| 11/02/1989 | WO1989010489A1 Lift valve in a rotary screw machine |
| 10/31/1989 | US4877984 Electric motor and pump mounting bracket assembly and method of making |
| 10/25/1989 | CN1036619A 挤压泵 Extrusion pump |
| 10/04/1989 | CN1036065A 挤压泵 Extrusion pump |
| 09/26/1989 | US4869812 Disposable diagnostic plasma filter dispenser |
| 09/13/1989 | EP0332378A2 Electrically powered pump unit |
| 08/22/1989 | US4860158 Low pressure metering fluid pump |
| 08/15/1989 | US4856967 Hybrid high pressure pump for gas-liquid permeameters |
| 08/08/1989 | US4854833 Electromagnetically reciprocating apparatus with adjustable bounce chamber |
| 07/27/1989 | WO1989006751A1 Piston pump for a high-pressure cleaning appliance |
| 07/26/1989 | EP0324868A1 Piston pump for a high pressure cleaning apparatus |
| 07/26/1989 | CN2041731U Full-wave electromagnetic pump |
| 07/25/1989 | US4851703 Electro/hydraulic power pack |
| 07/25/1989 | US4850812 Integrated motor pump combination |
| 07/18/1989 | US4848659 Electric stripper applicator |
| 07/05/1989 | CN2040549U Electronic-control two-way magnetism-driving reciprocating pump |
| 07/04/1989 | US4844701 Mobile pump apparatus |
| 06/13/1989 | US4838771 Biasing force adjusting apparatus for electromagnetically driven reciprocating pump |
| 06/08/1989 | DE3740388A1 Air pump for small pressures, having differential-pressure-controlled pneumatic solar-energy drive |
| 06/08/1989 | DE3740387A1 Liquid pump having differential-pressure-controlled pneumatic solar-energy drive |
| 06/08/1989 | DE3740386A1 Liquid-cycle plant having a differential-pressure-controlled pneumatic solar-energy drive |
| 05/31/1989 | CN2038561U 电磁柱塞泵 Electromagnetic piston |
| 05/30/1989 | US4834623 Electric fuel pump |
| 05/24/1989 | DE3738592C1 Electric motor for driving a liquid pump, and a method for its production |
| 05/23/1989 | US4832583 Low pressure metering fluid pump |
| 05/17/1989 | EP0316164A1 A variable flow rate pump for fluid |
| 05/09/1989 | US4827717 Daerohydrophase engine |
| 04/11/1989 | US4820134 Loop pump |
| 04/06/1989 | DE3831142A1 Solar pump system |
| 04/05/1989 | EP0310254A2 Reciprocating pump unit |
| 03/28/1989 | US4815946 Magnetostrictive pump with reversible valves |
| 03/21/1989 | CA1251352A1 Electromagnetic linear motor and pump apparatus |
| 03/08/1989 | CN2033711U High pressure water jet machine with powder power pump |
| 03/01/1989 | CN2033453U Gas pressurizer |
| 02/28/1989 | US4808079 Magnetic pump for ferrofluids |
| 02/14/1989 | US4804314 Fluid injector pump assembly |
| 02/08/1989 | CN2032263U Electromagnetic air pump with high flow and negative pressure |
| 02/07/1989 | US4802829 Solar controlled water well |
| 01/31/1989 | US4801253 Oil pump |
| 01/03/1989 | US4795318 Magnetostrictive pump |
| 01/03/1989 | US4795317 For step control machine tool applications |
| 01/03/1989 | CA1247872A1 Cryogenic refrigeration system with linear drive motors |
| 12/20/1988 | US4792290 Wave actuated pump apparatus |
| 12/20/1988 | US4791786 Free-piston motor with hydraulic or pneumatic energy transmission |
| 12/14/1988 | EP0294858A2 System and device for having desired liquid volumes supplied by a metering pump in variable flow rate condition |
| 11/29/1988 | US4787823 Electromagnetic linear motor and pump apparatus |
| 11/29/1988 | US4787822 Volume control for multi-nozzle rotary pump filling systems |
| 11/03/1988 | DE3811971A1 Adjustable oscillating-armature pump |
| 10/27/1988 | DE3711714A1 Device for pumping pasty masses and liquids, and method of filling and of operation |
| 10/26/1988 | EP0288216A1 Electrical fluid pump |
| 10/18/1988 | US4778357 Shut-off valve for an electromagnetic pump |
| 10/18/1988 | US4778353 Hall switch pump |
| 10/11/1988 | US4776772 Apparatus for converting and storing wave energy |
| 10/11/1988 | US4776768 Radial plunger pump driven by a motor having seal members for protecting the motor from exposure to working fluid |
| 10/11/1988 | US4776171 Self-contained renewable energy system |
| 10/05/1988 | CN88102260A System for generating power by vehicle movement and methods of constructing and utilizing same |
| 10/04/1988 | US4775301 Oscillating electromagnetic pump with one-way diaphragm valves |
| 09/27/1988 | US4773226 Power production system |
| 09/22/1988 | WO1988007135A1 System for generating power by vehicle movement and methods of constructing and utilizing same |
| 09/07/1988 | CN87101616A 电磁式压缩机 Electromagnetic compressor |
| 09/06/1988 | US4768595 Oil recovery apparatus using an electromagnetic pump drive |