| Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
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| 03/22/2006 | EP1636491A2 Integrated pump and ceramic valve |
| 03/08/2006 | EP1631761A1 Three-way poppet valve for work exchanger |
| 03/02/2006 | DE19735091B4 Zweizylinder-Dickstoffpumpe Two-cylinder slurry pump |
| 03/01/2006 | CN1742159A A structure and the manufacturing method for friction parts on concrete pump |
| 02/23/2006 | US20060039811 Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 02/23/2006 | US20060039795 Fluid-working machine and operating method |
| 02/16/2006 | DE10229395B4 Verdrängermaschine, insbesondere Radialkolbenpumpe in einem Kraftstoffsystem einer Brennkraftmaschine, sowie hydraulisches System Displacement, particularly radial piston pump in a fuel system of an internal combustion engine and hydraulic system |
| 02/09/2006 | WO2006013143A1 Piston pump with improved efficiency |
| 02/09/2006 | DE102004020865B3 Ventilanordnung Valve assembly |
| 02/08/2006 | EP1624188A2 Plunger pump and method of controlling discharge of the pump |
| 01/26/2006 | DE69303376C5 Rohrweiche für eine zweizylinder dickstoffpumpe Diverter for a two-cylinder thick fuel pump |
| 01/26/2006 | DE10222846B4 Vorrichtung zur Fluidverdichtung Apparatus for fluid compression |
| 01/26/2006 | DE10103224C5 Dosierpumpanordnung und diese enthaltendes Dosierpumpsystem Dosierpumpanordnung and those containing metered pumping system |
| 01/25/2006 | EP1618304A1 Piston vacuum pump |
| 01/18/2006 | CN1723347A Piston compressor |
| 01/18/2006 | CN1721696A Multi-channel pump and its control method |
| 01/17/2006 | US6986651 Pump priming apparatus |
| 01/05/2006 | DE102004028889A1 Kolbenpumpe mit schlitzgesteuertem Einlassventil Piston pump with inlet valve schlitzgesteuertem |
| 01/03/2006 | US6981852 Strainer and valve release |
| 12/28/2005 | CN1712704A Piston pump with slot-controlled inlet valve |
| 12/22/2005 | DE102004025910A1 Antriebseinrichtung für eine Zweizylinderdickstoffpumpe und Verfahren zum Betrieb derselben Drive device for a two-cylinder thick matter pump and method of operation thereof |
| 12/15/2005 | WO2005119059A1 Displacer machine, particularly a hydraulic motor or pump |
| 12/15/2005 | WO2005119058A2 Fluid connection |
| 12/15/2005 | WO2005119057A1 Drive device for a dual-cylinder slurry pump and method for operating said pump |
| 12/15/2005 | US20050276710 Piston pump with slot-controlled inlet valve |
| 12/15/2005 | US20050276705 Positive displacement pump having piston and/or liner with vapor deposited polymer surface |
| 12/15/2005 | DE102005024059A1 Radial-Kolbenpumpe mit exzentrisch angetriebenem Rollbetätigungsring Radial piston pump with eccentric driven roller actuator ring |
| 12/15/2005 | DE102004024562A1 Trocken laufende Kolbenvakuumpumpe Dry piston vacuum pump |
| 12/15/2005 | CA2567445A1 Drive device for a dual-cylinder slurry pump and method for operating said pump |
| 12/14/2005 | CN1708644A A reciprocating liquid pump for delivery of liquid fuel to a domestic burner device |
| 12/08/2005 | DE102005018049A1 Variable Fördermengensteuerung für eine stationär arbeitende Verdrängerpumpe Variable flow control for a stationary working displacement pump |
| 12/01/2005 | US20050265877 Fluid connection |
| 12/01/2005 | US20050265867 Radial piston pump with eccentrically driven rolling actuation ring |
| 11/30/2005 | EP1599672A2 Thick material pump |
| 11/24/2005 | US20050260085 Dry-running reciprocating vacuum pump |
| 11/24/2005 | DE102004022111A1 Kolbenpumpe mit aktiv betätigbarem Verschlusselement Piston pump with active shutter member operable |
| 11/23/2005 | EP1598554A2 Dry running piston type vacuum pump |
| 11/17/2005 | US20050254979 Variable output control for a fixed displacement pump |
| 11/10/2005 | WO2005106246A1 Valve system |
| 11/10/2005 | US20050249619 Pressure exchange apparatus |
| 11/10/2005 | DE202005012873U1 Assembly to form chocolate case with hollow core for subsequent filing has linked array of cogs and pump tappets |
| 11/10/2005 | DE102004019373A1 Drehkolbenmaschine Rotary engine |
| 11/09/2005 | EP1593847A2 Resonator pumping system |
| 11/03/2005 | US20050244281 Crossover switching valve |
| 10/27/2005 | US20050238500 Method and apparatus for dispensing small volumes of fluid |
| 10/26/2005 | EP1589225A2 Rotating piston machine |
| 10/13/2005 | US20050226753 Reinforced valve assembly |
| 10/13/2005 | DE102004015419A1 Vorrichtung und Verfahren zur Steuerung einer Dickstoffpumpe Apparatus and method for controlling a thick matter pump |
| 10/13/2005 | DE102004015416A1 Vorrichtung und Verfahren zur Steuerung einer Dickstoffpumpe Apparatus and method for controlling a thick matter pump |
| 10/13/2005 | DE102004015415A1 Vorrichtung und Verfahren zur Steuerung einer Zweizylinder-Dickstoffpumpe Apparatus and method for controlling a two-cylinder slurry pump |
| 10/12/2005 | CN1681598A Substance-atomizing apparatus |
| 10/06/2005 | WO2005093253A1 Device and method for controlling a thick matter pump |
| 10/06/2005 | WO2005093252A1 Device and method for controlling a two-cylinder thick matter pump |
| 10/06/2005 | WO2005093251A1 Device and method for controlling a thick matter pump |
| 10/06/2005 | WO2005092413A1 Dispenser |
| 10/06/2005 | US20050220629 Method of segregating a bolus of fluid using a pneumatic actuator in a fluid handling circuit |
| 10/05/2005 | EP1305522B1 Resonator pumping system |
| 10/05/2005 | CN1221738C Hydraulic apparatus |
| 09/29/2005 | US20050214130 Multidimensional pump apparatus and method for fully automated complex mixtures separation, identification, and quantification |
| 09/22/2005 | WO2005087021A1 Method for preparing a dairy product |
| 09/22/2005 | DE4401198B4 Vorrichtung zur Umwandlung einer Drehbewegung in eine hin- und hergehende Hubbewegung bzw. umgekehrt A device for converting a rotary motion into a reciprocating stroke movement, and vice versa |
| 09/22/2005 | CA2555493A1 Method for preparing a dairy product |
| 09/15/2005 | US20050200665 Ink pumping apparatus for printing press and ink leak preventing method |
| 09/15/2005 | DE102004009363A1 Kolben-Dickstoffpumpe Piston slurry pump |
| 09/14/2005 | EP1574337A1 Ink pumping apparatus for printing press and ink leak preventing method |
| 09/14/2005 | CN2725512Y Overflow valve |
| 09/13/2005 | CA2117258C Transfer tube material flow management |
| 09/09/2005 | WO2005083267A1 Viscous matter piston pump |
| 09/08/2005 | US20050194407 Precision fluid dispensing system |
| 08/31/2005 | EP1458508B1 Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| 08/30/2005 | US6935539 Device for the metered delivery of a viscous liquid |
| 08/25/2005 | US20050184087 Pump controller for precision pumping apparatus |
| 08/24/2005 | CN1216235C Fluid compression apparatus |
| 08/18/2005 | WO2005044317A3 Method and device for supplying at least one machining station for a workpiece |
| 08/18/2005 | DE102004054606A1 Reciprocating pump for conveying highly viscous media comprises a controllable closing device in the form of a sliding valve, especially a rotary slide valve, whose control is coupled to the movement of the pump piston |
| 08/11/2005 | US20050173463 Dispensing pump having linear and rotary actuators |
| 08/11/2005 | DE102004002245A1 Dosierpumpe Metering pump |
| 08/10/2005 | EP1561948A2 Control valve for variable displacement compressor |
| 08/04/2005 | US20050169768 Control valve for variable displacement compressor |
| 08/03/2005 | CN1648454A Control valve for variable displacement compressor |
| 07/28/2005 | WO2005024229A3 Sanitary pump and sanitary valve |
| 07/27/2005 | EP1557564A1 Reversible pump for driving hydraulic cylinders |
| 07/27/2005 | EP1556611A1 A reciprocating liquid pump for delivery of liquid fuel to a domestic burner device |
| 07/21/2005 | WO2005066491A1 Piston pump useful for aerosol generation |
| 07/21/2005 | US20050158192 Metering pump |
| 07/20/2005 | EP1555435A2 Dosing pump |
| 07/20/2005 | EP1555432A1 Hydraulic pump |
| 07/13/2005 | CN1639959A Resonant electrical generation system |
| 07/13/2005 | CN1638896A Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| 07/06/2005 | EP1550508A1 Substance-atomizing apparatus |
| 07/05/2005 | US6913933 Fluid dispensing algorithm for a variable speed pump driven metering system |
| 06/30/2005 | WO2004111509A8 Three-way poppet valve for work exchanger |
| 06/23/2005 | US20050132879 Piston pump useful for aerosol generation |
| 06/09/2005 | WO2005052357A1 High pressure feed pump for internal combustion engines |
| 06/09/2005 | US20050123413 Radial piston pump |
| 06/09/2005 | DE10352970A1 Sealing arrangement for a cylinder/piston system in vacuum pumps comprises a sealing element in the form of a closed ring which is provided with a protrusion on the inner side |
| 06/08/2005 | EP1537333A1 Fluid-working machine and operating method |
| 06/01/2005 | EP1390617A4 Dual port unit pump, injector, and engine efficiency methods |
| 05/25/2005 | DE10351330A1 Verfahren und Vorrichtung zur Versorgung mindestens einer Bearbeitungsstation für ein Werkstück Method and apparatus for supplying at least one processing station for a workpiece, |
| 05/25/2005 | DE10342338A1 Schiebervorrichtung für eine Dickstoffpumpe sowie Verschleißleiste hierfür Slide device for a slurry pump and wear strip for this purpose |