| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 10/06/1992 | US5152675 Piston pump with anti-leakage control |
| 10/06/1992 | US5152674 Apparatus for pumping water from rise and fall motion of waves |
| 10/01/1992 | WO1992016748A1 Method for pumping liquid by multiple plunger pump and pump therefor |
| 10/01/1992 | WO1992016738A1 Fuel injection pump |
| 10/01/1992 | WO1992016304A2 Constant-pressure fluid supply system with multiple fluid capability |
| 10/01/1992 | DE4110022A1 Double-acting cylinder piston stirring mechanism pump - is controllable via seat valve rings and has lever-type stirring mechanism for mixing aspirating and pressing |
| 09/30/1992 | CN1064918A Intake and/or outlet valve for proportionating-and spray-pump for delivery liquid, low viscose and pasty material |
| 09/29/1992 | US5151015 Compression device, particularly for the pressure filling of a container |
| 09/29/1992 | US5150643 Reciprocating actuator |
| 09/29/1992 | CA2061841A1 Helical rod guide |
| 09/24/1992 | DE4109472A1 Kraftstoffeinspritzpumpe Fuel injection pump |
| 09/23/1992 | CN1064732A Metering-ont and spray pump for delivery fluid, low-viscose and pasty materials |
| 09/03/1992 | WO1992014531A1 Distillation |
| 09/02/1992 | CN2114709U Water source pressure pump and application thereof |
| 09/02/1992 | CN1064138A Integrated hydraulic apparatus for electric generation and water pumping |
| 09/02/1992 | CN1064137A Combined automiatic water pump |
| 08/27/1992 | DE4108927C1 Pneumatically driven hydraulic pump with piston pump head - has cylindrical head adaptor for piston guidance in head axial extension, secured by overthrow nut |
| 08/27/1992 | DE4105578A1 Dosing pump - with variable-speed delivery piston useful in areas where it is necessary to deliver fixed vol. of liq. with min. turbulence |
| 08/25/1992 | US5140747 Method for assembling a peristaltic pump |
| 08/19/1992 | EP0499030A1 Oldham compressor |
| 08/11/1992 | US5137436 Device for the generation of auxiliary pressure |
| 08/11/1992 | US5137435 Compression spring fluid motor |
| 08/07/1992 | CA2060754A1 Oldham compressor |
| 08/06/1992 | WO1992013194A1 Multi-cylinder hydraulic device |
| 08/04/1992 | CA1305950C Liquid dispensing pump |
| 07/29/1992 | EP0496151A2 Hermetically sealed compressor |
| 07/29/1992 | CN2111381U Pulse resonance vibration drawing machine |
| 07/23/1992 | WO1992012344A1 Positive displacement pumps |
| 07/23/1992 | DE4200576A1 High pressure device for fluid flow machines - has piston 'shoe' running within chamber to support high pressure piston and withstand buckling |
| 07/22/1992 | CN2110723U Man-power pump |
| 07/21/1992 | US5132014 Pressure vessel; cartridge with sealing plug |
| 07/21/1992 | US5131824 Oldham compressor |
| 07/21/1992 | US5131820 Low pressure, low head buoyant piston pump for water purification |
| 07/21/1992 | US5131819 Apparatus for and method of managing liquid under pressure |
| 07/15/1992 | EP0494375A1 Bellows pump |
| 07/15/1992 | CN2110101U Multipurpose hand water pump |
| 07/14/1992 | US5129236 Heat pump system |
| 07/08/1992 | EP0486556A4 Pulseless piston pump |
| 07/07/1992 | US5127547 Metering and dispensing apparatus |
| 07/07/1992 | US5127316 Pump apparatus with improved coupling between the pump and motor |
| 07/01/1992 | EP0492363A1 Suction and/or exhaust valve for a metering or spray pump for liquids, products with low viscosity and pasty products |
| 07/01/1992 | EP0492354A1 Dosing and spraying pump for dispensing liquid, low viscous and paste-like material |
| 07/01/1992 | CN2108809U Base for tyre pump |
| 07/01/1992 | CN2108808U Multifunctional oil deflector for motor vehicle |
| 06/24/1992 | CN2108189U Manpowered water pump |
| 06/22/1992 | CA2058374A1 Metering and spray pump for dispensing liquid, low-viscosity and pasty substances |
| 06/22/1992 | CA2058373A1 Suction and/or discharge valve for a metering and spray pump for dispensing liquid, low-viscosity and pasty substances |
| 06/17/1992 | DE4039439A1 Twin chamber hydraulic or pneumatic motor - makes use of permanent magnet to stabilise the valves |
| 06/17/1992 | CN2107542U Balance reciprocating mechanism for booster pump |
| 06/16/1992 | CA1303560C Multi-channel linear concentrate pump |
| 06/10/1992 | CN2106911U Elastic liquid-lifting pump for bottles or tanks |
| 06/10/1992 | CN2106910U Hand liquid pump |
| 06/10/1992 | CN2106909U Hang pump for water supply cart |
| 06/10/1992 | CN2106908U Reciprocating metering medicine-feeding pump without crankshaft mechanism |
| 06/10/1992 | CN1061835A Piston-type water pump at bottle opening |
| 06/09/1992 | US5120202 Switching device for reciprocating pumps |
| 06/09/1992 | CA1302782C Rotary pressure intensifier |
| 06/07/1992 | WO1992010696A1 System for reversibly transforming rotary motion into self-guided rectilinear motion |
| 06/07/1992 | CA2074941A1 System for reversibly transforming rotary motion into self-guided rectilinear motion |
| 06/03/1992 | EP0488781A1 Pumping device and containers fitted therewith |
| 06/03/1992 | EP0402390B1 Control arrangement for two-cylinder pumps for viscous liquids |
| 06/03/1992 | CN2106243U Tc-11 shape lifting-insert type absorbing oil device |
| 06/03/1992 | CN2106242U Multifunctional man-power pump |
| 06/03/1992 | CN2106241U Pneumatic piston pump and gas generator |
| 06/02/1992 | CA1302376C Fluid pumping system |
| 05/27/1992 | EP0486556A1 Pulseless piston pump. |
| 05/26/1992 | US5115980 Manually operated dual invertible pump |
| 05/20/1992 | CN2104956U Double-conduit artificial complex pump |
| 05/20/1992 | CN2104953U 3-cylinder, 2-piston hand water pump |
| 05/20/1992 | CN2104952U Hydraulic pump |
| 05/19/1992 | US5114319 Concrete-pumping device |
| 05/19/1992 | US5114314 Reciprocating type fluid delivery pump |
| 05/14/1992 | DE4035518A1 Vol flow measuring method for pumped feed - using detected pressure character along feed line to determine feed pump parameters |
| 05/14/1992 | DE4028483A1 High pressure piston unit - has reciprocating medium pressure piston in cylinder for driving and withdrawal of high pressure piston |
| 05/13/1992 | CN2104321U Double-cyclinder double-piston manpower pump |
| 05/06/1992 | CN2103665U Hand-oil pump |
| 05/06/1992 | CN2103664U Siphon pump |
| 05/05/1992 | US5110271 Hand-operable double-action metering and/or atomizing pump |
| 05/05/1992 | US5110267 Positive-displacement pump for pumping alimentary liquids |
| 04/30/1992 | WO1992007190A1 Double piston portioning apparatus |
| 04/30/1992 | DE4034442A1 Control system for high pressure pump - uses feedback signals representing pump piston movement to displace control slider |
| 04/29/1992 | CN2103028U High pressure save effort inflater |
| 04/29/1992 | CN2103027U Reaction elasticity pump feeder apparatus |
| 04/29/1992 | CN2103026U Prevent prostbite high pressure reciprocating piston type hand pump |
| 04/23/1992 | DE4115487C1 Hydraulic pressure amplification system - incorporates motor rotary valve and pressure amplifying cylinder |
| 04/22/1992 | EP0481927A1 A variable flow water jet cleaner |
| 04/22/1992 | EP0365563A4 A rotary/reciprocatory motion converter |
| 04/22/1992 | CN2102380U Oil suction device |
| 04/22/1992 | CN2102379U Piston hydraulic pump drived by waste pressure |
| 04/21/1992 | US5106275 Arrangement on a pump unit |
| 04/21/1992 | US5105994 Precompression metering pump with a tongued collar to aid priming |
| 04/15/1992 | CN2101778U Portable inflater for bicycle |
| 04/15/1992 | CN2101777U Hand self-suction pump |
| 04/15/1992 | CN2101776U Mini-combined pump |
| 04/08/1992 | CN2101124U Pedal no-clogging pump |
| 04/08/1992 | CN2101123U Manpower hydraulic water pump |
| 04/08/1992 | CN2101122U Oil pump and pipe joint device for pressure meter check device |
| 04/07/1992 | US5102310 Axial piston pump |
| 04/01/1992 | CN2100506U Light foot-operated water pump |
| 04/01/1992 | CN2100505U Fluid linear motor |