| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 02/17/2000 | DE19836628A1 Pump for vehicle hydraulic systems |
| 02/16/2000 | EP0979945A2 Magnetic coupling system and use of it for a gear pump |
| 02/16/2000 | CN2364247Y Symmetric rotary compressor |
| 02/15/2000 | US6024550 Rotary toothed oil pump having rotor positioning protrusions |
| 02/10/2000 | DE19934035A1 Gearwheel pump has inner toothed gearwheel working in conjunction with outer toothed gearwheel to form several pump chambers of variable volume during gearwheel rotation |
| 02/10/2000 | DE19833678A1 Plane mirror controlled gerotor-motor equipped with unit of stationary plate and rotating control plate with specifically shaped bores for reduced loss of volume |
| 02/09/2000 | EP0977933A1 Fluid machine |
| 02/09/2000 | CN2363090Y Vane pump |
| 02/09/2000 | CN2363089Y Axle-shared multiple slide-piece wave-ring rotor |
| 02/09/2000 | CN2363088Y Single screw bolt air compressor |
| 02/09/2000 | CN1243903A Multi-dot foundation filling method and apparatus |
| 02/08/2000 | US6022201 Hydraulic vane pump with flexible band control |
| 02/03/2000 | WO2000005503A1 Screw pump |
| 02/02/2000 | CN2361857Y Roller rotor fuel pump for electric fuel-injection vehicle |
| 02/02/2000 | CN1243564A Fluid pump with flexible toothed belt |
| 02/02/2000 | CN1243204A Resonator for rotary compressor |
| 02/02/2000 | CN1243201A Wear automatic-compensation rotor pump |
| 02/01/2000 | US6019584 Coupling for use with a gerotor device |
| 02/01/2000 | US6019583 Reverse moineau motor |
| 02/01/2000 | CA2183884C Metering cap with integral pump-motor hand operated mixing facility |
| 01/27/2000 | DE19832719A1 Vane pump for supplying fluid, with spring-loaded piston in flow regulating valve |
| 01/26/2000 | CN1242476A Spiral rotator positive-displacement pump for transporting fluidized concrete |
| 01/19/2000 | EP0971756A1 Artificial heart capable of being wholly implanted |
| 01/19/2000 | EP0956431A4 Compact scroll fluid device |
| 01/19/2000 | CN2359497Y 高压齿轮泵 High pressure gear pump |
| 01/19/2000 | CN2359496Y Bidirection rotary gear oil pump |
| 01/18/2000 | US6015278 Vane machine, having a controlled pressure acting on the vane ends |
| 01/18/2000 | US6014791 Quiet vacuum cleaner using a vacuum pump with a lobed chamber |
| 01/13/2000 | DE19829195A1 Pump for conveying heat-setting media in printers |
| 01/12/2000 | EP0817802B1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides |
| 01/12/2000 | CN2358252Y Quimby pump screw with new tooth form molded line |
| 01/12/2000 | CN1240884A Rotary piston pump |
| 01/05/2000 | CN1240256A Oil pump |
| 12/30/1999 | DE19927400A1 Hydraulic advancing unit, eg for use in vehicles |
| 12/30/1999 | DE19927256A1 Hydraulic pump for use in vehicle systems |
| 12/23/1999 | WO1999066207A1 Rotary hydraulic machine |
| 12/23/1999 | DE19928247A1 Cooled electric motor e.g,. for automobile hybrid drive |
| 12/23/1999 | DE19926508A1 Internally geared pump with pinion eccentric to ring gear |
| 12/23/1999 | DE19826367A1 Internal gear wheel pump for low-viscosity liquid, e.g. water |
| 12/23/1999 | DE19825667A1 Hydraulic pump with reduced variation in revolutions |
| 12/23/1999 | DE19825650A1 Schmierölversorgungseinrichtung für ein Gerät mit rotierender Gerätewelle Lubricating oil supply means for a device with rotating equipment shaft |
| 12/22/1999 | CN2355134Y Twin screw pump |
| 12/21/1999 | US6004119 Motor-driven hydraulic gear pump having a noise damper |
| 12/16/1999 | WO1999064745A1 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft |
| 12/16/1999 | WO1999064743A1 Rotor for spiral pumps and eccentric spiral pumps |
| 12/15/1999 | EP0964159A2 Gerotor pump |
| 12/15/1999 | EP0695870B1 Forced compression type pump |
| 12/15/1999 | CN2353938Y Rotary-piston pump |
| 12/15/1999 | CN2353937Y Plunger-type roller pump |
| 12/15/1999 | CN1238423A Transition valving for gerotor motors |
| 12/14/1999 | US6000921 Fluid pump having a slider and a rotary disk |
| 12/09/1999 | WO1999063226A1 Internally profiled stator tube |
| 12/09/1999 | DE19925106A1 Rotor for centric and eccentric screw pumps |
| 12/09/1999 | DE19825376A1 Zahnradmaschine Gear machine |
| 12/09/1999 | DE19825369A1 High pressure and high flow rate hydraulic displacement pump or motor with rotor vanes separating suction and pressure sides |
| 12/09/1999 | DE19825367A1 Continuously variable output displacement pump using variable viscosity fluid in an annular chamber |
| 12/08/1999 | EP0962656A2 Gear machine |
| 12/07/1999 | US5997268 Positive displacement hydraulic machine having a recess receiving a spigot for sealing |
| 12/07/1999 | US5997262 Screw pins for a gear rotor fuel pump assembly |
| 12/07/1999 | CA2000936C Volumetric meter for liquids and/or gases, particularly suitable for service stations |
| 12/02/1999 | DE19923851A1 Hydraulic gear machine, such as internally geared pump |
| 12/01/1999 | CN2351597Y 转子叶片泵 Rotor vane pump |
| 12/01/1999 | CN2351596Y Pin-type vane pump |
| 12/01/1999 | CN2351595Y Cam plunger type pump with improved linkage structure |
| 11/30/1999 | US5993183 One of the gears is coated with a combination of nickel and polytetrafluoroethylene; the other gear is coated with a combination of carbon and tungsten carbide. |
| 11/30/1999 | US5992230 Dual rotor flow meter |
| 11/25/1999 | DE19921836A1 Automotive hydrostatic rotary gear has concentric rotary pump |
| 11/25/1999 | DE19919240A1 Positive displacement rotary piston bore hole motor and pumping unit |
| 11/25/1999 | DE19918390A1 Piston pump for braking systems |
| 11/25/1999 | DE19918376A1 Pump unit for e.g. motor vehicle brake systems |
| 11/25/1999 | DE19917506A1 Vane type variable delivery pump for power steering of motor vehicle |
| 11/25/1999 | DE19813999C1 Exzenterschneckenpumpe Cavity Pump |
| 11/24/1999 | EP0959249A2 Vane pump |
| 11/24/1999 | EP0959248A2 Transition valving for gerotor motors |
| 11/23/1999 | US5989002 Blocking-vane pump |
| 11/23/1999 | US5989001 Planetary rotation machine with hydrostatically mounted control part, and control part for this purpose |
| 11/23/1999 | US5988998 Rotary pump having a reinforced flexible annular diaphragm |
| 11/18/1999 | DE19821867A1 Downhole deep drilling motor based on eccentric mono-pump principle |
| 11/18/1999 | DE19821065A1 Elastomer pump stator for steel-cased screw pumps |
| 11/17/1999 | EP0956451A2 Gerotor pump for liquid media |
| 11/17/1999 | EP0956431A1 Compact scroll fluid device |
| 11/17/1999 | CN2349384Y Press-boot pivoted impeller-insulated rolling-rotator compressor |
| 11/16/1999 | US5984526 Bearing apparatus |
| 11/15/1999 | CA2271647A1 Machine operating according to the moineau principle, especially a drill motor for deep drilling |
| 11/11/1999 | DE19918393A1 Rotary pump supplying fuel oil to diesel engine |
| 11/11/1999 | DE19820622A1 Demountable pump or compressor for chemical or food processing industry |
| 11/11/1999 | DE19818948A1 Zahnradmaschine Gear machine |
| 11/10/1999 | EP0955466A1 Annular gap seal |
| 11/10/1999 | EP0954678A1 Hydraulic vane pump with flexible band control |
| 11/10/1999 | CN2348151Y Rotary positive displacement Roots oil pump |
| 11/10/1999 | CN2348150Y Internal engagement gear pulp pump |
| 11/10/1999 | CN2348149Y Wear automatic compensating rotary pump |
| 11/09/1999 | US5980225 Rotary pump having a drive shaft releasably connected to the rotor |
| 11/04/1999 | WO1999056020A1 Fluid pump |
| 11/04/1999 | WO1999056019A1 Method for limiting the pressure provided by a hydraulic pump |
| 11/04/1999 | DE19824847A1 Eccentric spiral pump |
| 11/04/1999 | DE19818141A1 Verfahren zur Begrenzung des von einer Hydraulikpumpe bereitgestellten Drucks sowie Hydraulikpumpe zur Durchführung des Verfahrens A method for limiting the pressure supplied by a hydraulic pump and the hydraulic pump for carrying out the method |
| 11/03/1999 | EP0953769A1 Eccentric screw pump |
| 11/03/1999 | EP0953768A1 Gear machine |
| 11/03/1999 | EP0830528A4 Hydraulic coupling for vehicle drivetrain |