| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 10/13/1994 | WO1994023209A1 Gear pump for delivering a liquid |
| 10/13/1994 | WO1994023208A1 Hydraulic machine |
| 10/13/1994 | WO1994023207A1 Hydraulic machine and method of producing the contour of a gearwheel of a hydraulic machine |
| 10/13/1994 | WO1994023206A1 Hydraulic machine |
| 10/13/1994 | WO1994023205A1 Hydraulic machine |
| 10/12/1994 | EP0619430A1 Internal gear pump for high rotary speed range |
| 10/11/1994 | US5354188 Sickleless internal gear pump with radially movable sealing elements for radial compensation |
| 10/05/1994 | EP0618366A1 Volumetric machine with planetary movement |
| 10/05/1994 | EP0618365A1 Volumetric machine with magnetic driving system |
| 10/05/1994 | EP0618363A1 Vane pump |
| 10/05/1994 | EP0617753A1 Rotary piston pump. |
| 09/29/1994 | WO1994021920A1 Filling, fluid-transporting and pumping device |
| 09/29/1994 | DE4414319A1 Internally toothed belt pump |
| 09/29/1994 | DE4309859A1 Gear machine |
| 09/28/1994 | EP0617201A1 Filling, fluid-transporting and pumping device |
| 09/28/1994 | CN2178286Y Self-priming vortex pump without one-way valve |
| 09/27/1994 | US5350285 Aggregate for feeding fuel from supply tank to internal combustion engine of motor vehicle |
| 09/20/1994 | US5348453 Positive displacement screw pump having pressure feedback control |
| 09/20/1994 | US5348448 Fluid rotating apparatus with plural drive motor synchronization system |
| 09/15/1994 | WO1994020756A1 Forced compression type pump |
| 09/15/1994 | CA2157267A1 Forced compression type pump |
| 09/14/1994 | EP0615068A1 Conical logarithmic spiral viscosity pump |
| 09/13/1994 | CA2102881A1 Conical logarithmic spiral viscosity pump |
| 09/08/1994 | DE4330226C1 Eccentric worm screw pump |
| 09/08/1994 | DE4328733C1 Internal-gear pump |
| 09/07/1994 | EP0614011A1 Gear machine (pump or motor) |
| 08/31/1994 | EP0612922A1 Progressive cavity pump or motors |
| 08/31/1994 | CN2175840Y Hand-held self-priming pressure feed pump |
| 08/31/1994 | CN2175839Y Cycloidal internal gear pump for chemical engineering |
| 08/30/1994 | CA1331717C Trochoid pump |
| 08/24/1994 | EP0539396B1 Gear pump or motor |
| 08/23/1994 | US5340293 Gear-type pump having pressure balanced support |
| 08/23/1994 | CA2031869C Gas removable pump for liquid |
| 08/18/1994 | WO1994018455A1 Gear machine |
| 08/18/1994 | WO1994018454A1 A rotary machine for delivering liquids or gases |
| 08/18/1994 | DE4304334A1 Unit for delivering fuel from a storage tank to the internal combustion engine of a motor vehicle |
| 08/17/1994 | EP0610861A1 Fluorine-containing bezophenone derivatives and use thereof |
| 08/17/1994 | CN2174581Y Two-purpose siphon pump |
| 08/16/1994 | US5338168 Comprising a casing and rotor housings made from a rapid solidified powder metallurgy; high strength, wear resistance |
| 08/11/1994 | DE4303494A1 Method for volume flow control of gear pumps, and gear pump for implementing the method |
| 08/11/1994 | DE4303463A1 Delivery device |
| 08/11/1994 | DE4303328A1 Gerotor for delivering fluid, especially as a fuel delivery unit for motor vehicles |
| 08/10/1994 | EP0609820A1 Vane pump |
| 08/10/1994 | CN2173870Y Vortex compressor |
| 08/10/1994 | CA2115001A1 Fluorine-containing benzophenone derivatives and use thereof |
| 08/02/1994 | US5334002 Gerotor pump with shiftable rotor boss |
| 08/02/1994 | CA2114601A1 Hinge pin device for a vehicle track having hinged links |
| 07/28/1994 | DE4305905C1 Spinning equipment for thermoplastic fibres and spinning pump |
| 07/27/1994 | EP0607999A2 Method of cooling the shaft of a gear pump rotor |
| 07/27/1994 | EP0607497A1 Internal gear pump with sealings incorporated in the teeth |
| 07/21/1994 | WO1994016198A1 Downhole roller vane motor and roller vane pump |
| 07/21/1994 | WO1994015966A1 Growth differentiation factor-9 |
| 07/20/1994 | CN2172361Y Plug insertion variable pump |
| 07/20/1994 | CN2172360Y Middle-saeled gear pump |
| 07/20/1994 | CN2172359Y High pressure gear pump series |
| 07/20/1994 | CN1089686A Variable displacement hydrostatic device and neutral return mechanism therefor |
| 07/14/1994 | DE4400684A1 Blade-type pump with control device for discharge volume |
| 07/12/1994 | US5328343 Rotary fluid pressure device and improved shuttle arrangement therefor |
| 07/12/1994 | US5328337 Guided vanes hydraulic power system |
| 07/06/1994 | EP0604700A1 Method and apparatus for refrigerant recovery |
| 07/06/1994 | CN2171020Y 乳化沥青液体变量泵 Emulsified asphalt liquid variable pump |
| 07/06/1994 | CN1089012A 偏心螺旋泵 Eccentric screw pump |
| 07/01/1994 | CA2095513A1 Method and apparatus for refrigerant recovery |
| 06/29/1994 | EP0603719A1 Screw rotor pump |
| 06/29/1994 | EP0603718A1 Housing for screw rotor pump |
| 06/29/1994 | CN1088666A Conveying screw pair used for rotative compresive pump |
| 06/28/1994 | US5324183 Apparatus for producing a controllable, uniform conveying pressure for processing highly viscous rubber or thermoplastics |
| 06/28/1994 | US5324168 Use of stellite to prevent silver plateout |
| 06/28/1994 | US5323530 Apparatus for assembling rotors |
| 06/23/1994 | DE4342897A1 Screw spindle pump with hardened spindle surfaces |
| 06/23/1994 | DE4342896A1 Screw spindle pump with hardened housing surfaces |
| 06/23/1994 | DE4341356A1 Sickle element gear pump for vehicle |
| 06/23/1994 | DE4243638A1 Housing body for screw spindle pump |
| 06/23/1994 | DE4243330A1 Housing body for screw spindle pump |
| 06/22/1994 | EP0602357A1 Gear pump |
| 06/21/1994 | US5322421 Cooling arrangement for magnetic couplings in pumps |
| 06/16/1994 | DE4242217A1 Gear pump or motor - has gear pairs with gears of differing tooth numbers |
| 06/15/1994 | EP0601751A1 Electric-motor in-line integrated hydraulic pump |
| 06/14/1994 | CA2074444C Combination lift piston/axial port unloader arrangement for a screw compressor |
| 06/09/1994 | DE4240593A1 Unit supplying fuel via fuel pump to IC engine - has relief channel located close to end of suction opening and extends radially of delivery element |
| 06/09/1994 | DE4240592A1 Fuel supply unit from storage tank to IC engine - has opening to relief chamber close to suction side wall and has same radial extension as suction opening |
| 06/08/1994 | EP0600807A1 High pressure hydraulic generator-receiver for power transmission |
| 06/08/1994 | CN2168098Y Cam-rotor vane pump using hydraulic floating sideboard |
| 06/07/1994 | US5318416 Casing of an eccentric worm pump designed to burst at preselected pressure |
| 06/07/1994 | US5318415 Grooved pump chamber walls for flushing fiber deposits |
| 06/07/1994 | US5318153 Oil pump |
| 06/01/1994 | EP0599333A1 Rotary Pump |
| 05/25/1994 | CN2166258Y Slurry transfer pump |
| 05/24/1994 | US5314319 Hydraulic pump for a vehicle engine |
| 05/18/1994 | CN2165263Y Medium- and high-pressure gear pump |
| 05/18/1994 | CN2165262Y 电子计量泵 Electronic metering pumps |
| 05/17/1994 | US5312236 Gear pump for non-newtonian fluid |
| 05/17/1994 | US5312224 Conical logarithmic spiral viscosity pump |
| 05/17/1994 | US5312017 Product identification system for beverage dispenser |
| 05/11/1994 | DE4313457C1 Pump with intermeshing lobed rotors - has adjusting mechanism in each lobe thrusting elastomer cover at tip outwards and has adjusting body sliding in groove inside lobe |
| 05/10/1994 | US5310388 Vehicle drivetrain hydraulic coupling |
| 05/04/1994 | EP0595764A1 Gear pump |
| 05/04/1994 | CN2163887Y Non-round planetary low-speed large-torque hydraulic motor |
| 05/03/1994 | US5308287 Rotary pump |
| 04/28/1994 | WO1994009260A1 Sliding vane machine |