| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 04/30/2009 | DE102007051350A1 Hydraulic gear wheel machine e.g. external gear pump, for producing or transforming hydraulic energy in mobile hydraulics, has changing device with actuator for changing chamber volume or for increasing connection to pressure relief line |
| 04/30/2009 | DE102007051349A1 Hydraulic gear machine e.g. external gear pump, for e.g. generating hydraulic energy, has actuator device to adjust axis position during machine operation and working against shaft deflection forces, where shafts center distance is changed |
| 04/30/2009 | DE102007050820A1 Innenzahnradpumpe für eine Bremsanlage Internal gear pump for a brake system |
| 04/30/2009 | DE102007049460A1 Centrifugal fluid conveying machine for use as centrifugal pump, has inlet side and pressure side, where impeller is provided with running conveying channels that are passed through together with conveying medium |
| 04/30/2009 | CA2609110A1 Progressing cavity pump with split stator |
| 04/30/2009 | CA2609025A1 Sanitary pump assembly |
| 04/29/2009 | EP2052157A1 Internal gear pump |
| 04/29/2009 | CN201228637Y Engine lubricating oil pump device |
| 04/29/2009 | CN201228635Y Low-pressure high flow rate composite gear pump |
| 04/29/2009 | CN201228634Y Operation site dirty oil and waste liquor recovery device |
| 04/29/2009 | CN201228633Y Elastic surface cam rotor pump |
| 04/29/2009 | CN201228632Y Inside engaged cycloidal rotor pump |
| 04/29/2009 | CN101418795A High performance hydraulic pump |
| 04/29/2009 | CN101418794A Spherical hydraulic pump |
| 04/29/2009 | CN101418793A High performance hydraulic pump |
| 04/29/2009 | CN101418792A High performance spherical hydraulic pump |
| 04/29/2009 | CN101418791A Novel scroll compressor and method of manufacturing same |
| 04/29/2009 | CN101418773A High performance spherical hydraulic motor |
| 04/29/2009 | CN101418772A Spherical hydraulic motor |
| 04/29/2009 | CN101418771A High performance hydraulic motor |
| 04/29/2009 | CN101418770A High performance hydraulic motor |
| 04/28/2009 | CA2384748C A gear and a fluid machine with a pair of engaging gears of this type |
| 04/23/2009 | WO2009052105A1 Sliding vane pump |
| 04/23/2009 | WO2009049991A1 Internal gear pump for a brake system |
| 04/23/2009 | WO2009049879A2 Hydraulic motor in an annular ring design with a distributor plate which is integrated into the rotor housing |
| 04/23/2009 | WO2009033007A3 Accurate powder metal component, assembly and method |
| 04/23/2009 | WO2009024109A3 Control oil pump having travel-dependent oil pressure control |
| 04/23/2009 | US20090104064 Method for manufacturing trochoid pump and trochoid pump obtained |
| 04/23/2009 | DE112007001338T5 Drehschieberpumpe zum Pumpen von Hydraulikfluid Rotary vane pump for pumping hydraulic fluid |
| 04/23/2009 | DE102007049704A1 Innenzahnradpumpe für eine Bremsanlage Internal gear pump for a brake system |
| 04/22/2009 | EP2050964A1 A rotary piston compressor |
| 04/22/2009 | EP2050963A2 Method for manufacturing trochoid pump and trochoid pump obtained |
| 04/22/2009 | EP2050962A2 Method for manufacturing trochoid pump and trochoid pump obtained |
| 04/22/2009 | EP1255666B1 Brake unit |
| 04/22/2009 | CN201225288Y Explosion-proof type oil and gas recovery vacuum pump |
| 04/22/2009 | CN201225283Y Gear pump shaft seal pressure cover for conveying viscous liquid |
| 04/22/2009 | CN201225282Y Novel engine oil pump for diesel |
| 04/22/2009 | CN201225281Y Sand-proof three-screw-rod pump |
| 04/22/2009 | CN201225280Y Internal gear pump |
| 04/22/2009 | CN201225279Y Cycloid gear pump of automatic speed variator |
| 04/22/2009 | CN201225278Y Rotor type fuel delivery pump |
| 04/22/2009 | CN201225277Y 正弦泵 Sine pump |
| 04/22/2009 | CN201225276Y Diesel oil emulsifying booster pump |
| 04/22/2009 | CN101413502A High performance water pressure vane pump |
| 04/22/2009 | CN101413501A Oil pump gear |
| 04/22/2009 | CN101413500A Method for manufacturing trochoid pump and trochoid pump obtained |
| 04/22/2009 | CN101413499A Method for manufacturing trochoid pump and trochoid pump obtained |
| 04/22/2009 | CN100480488C Kneading positive-displacement method of fluid machinery and mechanism and purpose thereof |
| 04/21/2009 | US7520738 Closed system rotary machine |
| 04/21/2009 | US7520732 Pump |
| 04/16/2009 | WO2006107828A3 Toroidal intersecting vane gas management system |
| 04/16/2009 | WO2006086009A3 Rotary opposed piston engine |
| 04/16/2009 | US20090098001 Sealing tabs on orbiting scroll |
| 04/15/2009 | EP2048362A2 Hydraulic pump arrangement with external gear pair equipped with sound insulation means |
| 04/15/2009 | CN201221462Y High temperature resistant screw pump oil extraction apparatus |
| 04/15/2009 | CN201221436Y Bidirectional gear motor integral seal structure |
| 04/15/2009 | CN101408171A Portable electric refueling device |
| 04/15/2009 | CN101408170A Mechanical seal gear pump |
| 04/15/2009 | CN101408169A Gear pump driven by magnetic force |
| 04/15/2009 | CN100478570C Rotary screw machine and method of transforming a motion in such a machine |
| 04/14/2009 | US7516759 Autonomous moving microstructures |
| 04/09/2009 | WO2009044491A1 Gear pump |
| 04/09/2009 | DE202009001316U1 Zahnradpumpe Gear pump |
| 04/09/2009 | DE202009000690U1 Rotationsverdrängerpumpe Rotary displacement |
| 04/09/2009 | DE102007000953A1 Vane pump, has pressurized rear blade channels radially and inwardly shifted, and suction-side rear blade channel supplied with operating medium staying under pressure via inlet connection to exhibit throttled outlet connection |
| 04/08/2009 | CN201218204Y Oil mount variable oil pump |
| 04/08/2009 | CN201218203Y Engine oil pump with pressure-limiting valve |
| 04/08/2009 | CN201218202Y Spring pin type blade pump |
| 04/08/2009 | CN201218201Y Black pigment charging pump |
| 04/08/2009 | CN201218200Y Displacement-variable inner-meshing rotor pump |
| 04/08/2009 | CN201218199Y Engine oil pump of internal combustion engine |
| 04/08/2009 | CN101403382A Gear pump for micro-miniature turbojet engine |
| 04/08/2009 | CN100476210C internal gear rotary pump or motor |
| 04/07/2009 | US7513761 Double screw compressor for supplying gas |
| 04/07/2009 | CA2433363C Progressive cavity wellbore pump for use in artificial lift systems |
| 04/02/2009 | WO2009042830A2 Insertable progressive cavity pump |
| 04/02/2009 | WO2009042175A1 A rotary compressor |
| 04/02/2009 | WO2009039881A1 Gearwheel pump with split pump housing |
| 04/02/2009 | US20090087333 Gerotor pump |
| 04/02/2009 | DE102008047845A1 Variable Verdrängungspumpe Variable displacement pump |
| 04/02/2009 | DE102007046660A1 Hydraulic pump or hydraulic motor has rotary wing and four axially movable wings, where rotor is provided, which is formed as shaft with circulating curve groove for movement of axial wings |
| 04/02/2009 | CA2700212A1 Insertable progressive cavity pump |
| 04/01/2009 | EP2042737A2 Pressure recovery system |
| 04/01/2009 | EP2042735A2 Gerotor Pump |
| 04/01/2009 | EP1073826B9 Hydraulic motor plates |
| 04/01/2009 | CN201215084Y Oil guide stripping pump |
| 04/01/2009 | CN201215083Y Gear oil-pump |
| 04/01/2009 | CN201215082Y Shaft-sleeve-free gear oil pump |
| 04/01/2009 | CN101397934A Rotary piston combustion engine without counter force having pulling and inserting type baffle |
| 04/01/2009 | CN101397914A Novel mass flow blade mechanism |
| 04/01/2009 | CN101397913A Spiral rotor and tooth profile formation method |
| 04/01/2009 | CN100473835C Eccentric pump, and use thereof |
| 04/01/2009 | CN100473834C Rotary screw machine and method for transforming a motion in the same |
| 03/31/2009 | US7510382 Apparatus for preventing overheating of scroll compressor |
| 03/31/2009 | CA2487334C Rotor machine |
| 03/26/2009 | WO2009038473A1 A progressing cavity pump with several pump sections |
| 03/26/2009 | WO2009036723A1 Pump insert |
| 03/26/2009 | WO2009012921A8 Pump housing |
| 03/26/2009 | WO2008125981A3 A painting apparatus |
| 03/25/2009 | EP2038554A1 A variable capacity pump with dual springs |