| Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800) |
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| 11/09/2005 | EP1144868B1 Hydraulic machine comprising dual gerotors |
| 11/02/2005 | CN1692187A Apparatus and method for injecting a liquid dye into a polymer melt |
| 11/01/2005 | CA2364873C Gas-lock resistant pump string |
| 10/26/2005 | EP1589226A1 Pump assembly |
| 10/20/2005 | US20050232789 Motor/pump unit, especially for antislip brake systems |
| 10/20/2005 | US20050232784 Pump assembly |
| 09/29/2005 | DE102004008892A1 Förderaggregat Delivery unit |
| 09/28/2005 | EP1580431A1 Electric internal gear pump |
| 09/28/2005 | CN1673539A Multi-head gear pump and wet-type image forming apparatus employing the same |
| 09/22/2005 | DE202005005348U1 System for converting hydraulic pressure into rotational torque has a spiral groove duct in a stator and with a floating piston attached to a rotor |
| 09/14/2005 | EP1102934B1 Gear pump |
| 09/14/2005 | CN1668851A Rotary screw machine and method of transforming a motion in such a machine |
| 09/14/2005 | CN1668850A Rotary screw machine and method of transforming a motion in such a machine |
| 09/13/2005 | US6942468 Portable hydraulic pump unit |
| 09/08/2005 | DE102005006810A1 Duale Ölversorgungspumpe Dual oil supply pump |
| 09/08/2005 | DE102005004373A1 Verbesserter Lade-/Nebenkreis zum Verringern von Leistungsverlusten in hydrostatischen Systemen Improved loading / secondary circuit to reduce power losses in hydrostatic systems |
| 09/01/2005 | US20050191186 Aeronautical generator |
| 08/31/2005 | EP1568886A1 Supply unit with overpressure relief valve |
| 08/31/2005 | CN1661237A Electric pump |
| 08/25/2005 | US20050186089 Electric pump |
| 08/25/2005 | US20050185043 Multi-head gear pump and wet-type image forming apparatus employing the same |
| 08/25/2005 | US20050185042 Multi-head gear pump and wet-type image forming apparatus employing the same |
| 08/25/2005 | DE102004005430A1 Ölpumpe für Kraftfahrzeug-Automatgetriebe Oil pump for motor vehicle automatic transmission |
| 08/24/2005 | EP1566545A2 Electric internal gear pump |
| 08/24/2005 | EP1565654A1 Beverage mixing and dispensing apparatus and pumps for use therein |
| 08/24/2005 | CN1659379A Four-in pump |
| 08/24/2005 | CN1658086A Multi-head gear pump and wet-type image forming apparatus employing the same |
| 08/24/2005 | CN1657791A Charge/auxiliary circuit for reducing power losses in hydrostatic systems |
| 08/18/2005 | US20050180870 Dual oil supply pump |
| 08/18/2005 | US20050180859 Four-in pump |
| 08/18/2005 | US20050178117 Charge/auxiliary circuit for reducing power losses in hydrostatic systems |
| 08/18/2005 | DE29924763U1 Double hydro-pump, particularly double gearwheel pump, has pump housing in which two rotors revolve on common drive shaft, delivering hydraulic medium in separated pressure channels |
| 08/16/2005 | US6928977 Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments |
| 08/04/2005 | US20050169773 Oil pump for an automatic transmission of a motor vehicle |
| 08/04/2005 | DE202005006414U1 Motor pump unit for servo steering of vehicle has external tank, ECU fitted axially or radially to the unit housing and ECU plugs arranged radially or axially |
| 07/28/2005 | WO2005068837A1 Extruder with gear pump |
| 07/20/2005 | CN2711415Y Duplex slide piece type oil conveying pump |
| 07/20/2005 | CN1643258A 机动泵 Motor pumps |
| 07/14/2005 | US20050152790 Pumping unit |
| 07/06/2005 | CN1209558C Spiral compressor |
| 06/30/2005 | US20050139189 Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments |
| 06/23/2005 | WO2005056889A1 Metering device for supplying a liquid additive at high pressure |
| 06/23/2005 | DE10354312A1 Pumpenaggregat mit einer Zahnradpumpe und einem Elektromotor A pump assembly with a gear pump and an electric motor |
| 06/16/2005 | US20050129528 Variable displacement vane pump with variable target reguator |
| 06/16/2005 | US20050128869 Apparatus and method for injecting a liquid dye into a polymer melt |
| 06/16/2005 | DE4440238B4 Brennstoffpumpe Fuel pump |
| 06/16/2005 | DE10352029A1 Displacement pump has preloading device in form of flow pump with at least one feed wheel rotationally driven by drive shaft, whereby feed wheel of flow pump is torsionally fixed in relation to drive shaft |
| 06/16/2005 | DE10349752A1 Motorpumpenaggregat Motor pump unit |
| 06/15/2005 | EP1540184A1 Gear pump |
| 06/01/2005 | EP1536139A1 Pump unit with a gear pump and an electric motor |
| 05/31/2005 | US6899130 Bilateral power pump unit |
| 05/26/2005 | WO2004013386A3 Device and method for injecting a liquid colour into a polymer melt |
| 05/25/2005 | DE10305781A1 Multistage oil pump for IC engines comprises outer gear-type control pump which produces compression stage and inner gear-type pump which produces feed stages |
| 05/12/2005 | US20050098143 Two-cycle engine for counter-rotation especially for aviation applications |
| 05/12/2005 | DE202005001449U1 Rotary slider pump, compressor and motor with circular ring rotated within annular channel provided in stator and cooperating with channel inner and outer contours for defining opposing inner and outer chambers |
| 05/12/2005 | DE19618452B4 Aggregat zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine Unit for feeding fuel from a storage tank to an internal combustion engine |
| 05/11/2005 | CN1201066C Oil pump structure of engine |
| 05/04/2005 | EP1527281A1 Rotary screw machine and method of transforming a motion in such a machine |
| 04/27/2005 | EP1526282A1 Motor-pump unit |
| 04/26/2005 | US6884043 Fluid circulation path for motor pump |
| 04/21/2005 | WO2005035988A1 A rotary hydraulic vane machine |
| 04/13/2005 | EP1522732A2 Variable displacement vane pump with variable target regulator |
| 03/23/2005 | EP1515883A1 Motor/pump unit, especially for antislip brake systems |
| 03/22/2005 | CA2325047C Submersible pump for use in a bore hole |
| 03/17/2005 | DE19581945B4 Antriebskopf für eine Bohrlochpumpe Drive head for a downhole pump |
| 03/17/2005 | DE10337847A1 Pumpenanordnung mit einer Hochdruckpumpe und einer dieser vorgeschalteten Niederdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine Pump assembly with a high pressure pump and one of these upstream low-pressure pump for a fuel injection system of an internal combustion engine |
| 03/08/2005 | US6863504 Fluid pump relief valve |
| 03/02/2005 | EP1509699A1 Multi-chamber positive displacement fluid device |
| 03/01/2005 | US6861777 Motor pump with balanced motor rotor |
| 02/24/2005 | WO2005017360A1 Low-pressure pump for the fuel injection system of an internal combustion engine |
| 02/24/2005 | DE10190888T5 Hydraulischer Druckwandler Hydraulic pressure transducer |
| 02/22/2005 | US6857441 Fluid metering device |
| 02/17/2005 | US20050036897 Rotary vane pump seal |
| 02/15/2005 | US6854257 System for injecting fuel into a turbomachine |
| 02/09/2005 | CN2677666Y Flow stablized multi high-pressure gear pump |
| 02/09/2005 | CN1188601C Two-cylinder two-stage compressing rotating compressor |
| 02/03/2005 | WO2005010367A1 Fluid pump and motor |
| 02/02/2005 | CN1573110A Fuel supply apparatus |
| 01/25/2005 | US6847140 Fluid barrier for motor rotor |
| 01/20/2005 | WO2005005836A1 Volume screw machine of rotary type |
| 01/20/2005 | US20050012387 Electric powered pump |
| 01/18/2005 | US6843235 Fuel supply unit |
| 01/12/2005 | EP1495227A2 Hydraulic pump unit |
| 01/05/2005 | DE102004028127A1 Fuel injection pump for internal combustion engine e.g. diesel engine, having pump drive shaft protected inside casing which has section that absorbs angle misalignment arising due to pumping force or in course of manufacturing process |
| 01/05/2005 | CN1560476A Oil production system with electric oil-submersible dule screw rod pump |
| 01/04/2005 | US6837688 Overheat protection for fluid pump |
| 12/29/2004 | WO2004113729A1 Vane pump with integrated shaft, rotor and disc |
| 12/23/2004 | US20040258541 Orbital fluid pump |
| 12/16/2004 | WO2004109112A1 Four-in pump |
| 12/16/2004 | US20040253135 Vane pump with integrated shaft, rotor and disc |
| 12/16/2004 | US20040253134 Vane pump with integrated shaft, rotor and disc |
| 12/15/2004 | EP1486675A1 Aeronautical generator |
| 12/09/2004 | US20040247464 Fuel supply apparatus |
| 12/08/2004 | EP1484504A1 Fuel supply apparatus |
| 12/02/2004 | US20040241010 Variable capacity rotary compressor |
| 12/01/2004 | EP1482175A2 Electric powered pump |
| 12/01/2004 | EP0787260B1 Multiple-chamber gear pump |
| 12/01/2004 | CN1550676A 制冷剂泵 Refrigerant pump |
| 11/25/2004 | US20040234681 Pressure-controlling dispersion delivery system |
| 11/24/2004 | EP1478854A2 Motor pump |