| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/14/2014 | US8628314 Scroll compressor including a communication section between the suction chamber and the supply flow path |
| 01/14/2014 | US8628313 Scroll fluid machine with a coating layer |
| 01/14/2014 | US8628312 Compressor including anti-rotation washer and method of assembly |
| 01/09/2014 | US20140010698 Multiple Segment Lobe Pump |
| 01/09/2014 | DE102011078038B4 Flügelzellenpumpe Vane pump |
| 01/09/2014 | CA2820053A1 Slip joint for downhole tubing |
| 01/08/2014 | CN203384045U Enclosed cavity-volume circular increasing /decreasing device with double rotors |
| 01/08/2014 | CN203384044U Duplicate gear oil pump for preventing oil staining of front and rear parts |
| 01/08/2014 | CN203384043U Gear pump for portable cleaner |
| 01/08/2014 | CN203384042U Gear oil pump with bearing on front cover |
| 01/08/2014 | CN203384041U Inner meshing cycloid rotor pump |
| 01/08/2014 | CN103498793A Variable gear pump |
| 01/08/2014 | CN101163883B Vane machine, in particular vane pump |
| 01/07/2014 | US8622724 Scroll pump with isolation barrier |
| 01/07/2014 | US8622689 Rotor drive mechanism and pump apparatus |
| 01/07/2014 | CA2788984C High efficiency fluid pumping apparatus and method |
| 01/03/2014 | WO2014002225A1 Gear pump |
| 01/03/2014 | WO2014001193A2 Pendulum-slide cell pump |
| 01/03/2014 | WO2014001138A2 Gear pump |
| 01/03/2014 | WO2014000921A1 Flexible container with a disposable pump |
| 01/03/2014 | WO2014000126A1 Vane-type fluid transmission apparatus |
| 01/03/2014 | CA2876680A1 Vane-type fluid transmission device |
| 01/02/2014 | DE102013210330A1 Pumpenvorrichtung Pump device |
| 01/02/2014 | DE102012215023A1 Internal gear pump used as hydraulic pump for fuel injection system for motor car, has fluid storage space that is formed between radially outward facing surface of ring gear and radially inward facing surface of ring bearing |
| 01/02/2014 | DE102012212668A1 Zahnradpumpe Gear pump |
| 01/02/2014 | DE102012211229A1 Rotary piston pump, particularly gear pump, has chamber having maximum chamber volume that is limited by portions of pump housing, such that two of pump housings are provided with separate filling bodies with different volumes |
| 01/02/2014 | DE102012211228A1 Internal gear pump, has turned mating side comprising structured surface with pocket-like recesses that are covered upon rotation of drive axle facing structured surface of side faces of pinion and/or ring gears |
| 01/02/2014 | DE102012211225A1 Rotary-piston machine e.g. internal gear pump, has conveying element that is rotatably mounted in annular bearing which is secured at the housing by anti-rotation element |
| 01/02/2014 | DE102012210899A1 Hydraulikfördereinrichtung und Hydrauliksystem Hydraulic conveyor and hydraulic system |
| 01/02/2014 | DE102012210781A1 Pendelschieberzellenpumpe Pendulum slide cell pump |
| 01/02/2014 | DE102012210780A1 Pendulum-slide pump e.g. oil pump for pumping fluid e.g. oil to internal combustion engine of motor vehicle, has internal rotor and external rotor which are constructed with two inner rotor discs and outer rotor discs respectively |
| 01/02/2014 | DE102012210686A1 Innenzahnradpumpe Internal gear pump |
| 01/02/2014 | DE102012013159A1 Strömungsmaschine zum Fördern großer Fluidmengen Flow machine for conveying large amounts of fluid |
| 01/02/2014 | DE102010062298B4 Impellerpumpe Impeller |
| 01/01/2014 | EP2678565A1 A variable displacement lubricant pump with a pressure control valve having a preload control arrangement |
| 01/01/2014 | EP2678564A1 Method for producing the tooth shape of the inner and outer ring of an annular gear machine and toothed ring produced by means of said method |
| 01/01/2014 | CN203374478U Variable rotary-piston pump |
| 01/01/2014 | CN203374407U Fuel pump component of electric fuel pump |
| 01/01/2014 | CN103486025A Cross type composite sliding vane rotor pump |
| 01/01/2014 | CN103486024A Flow and pressure ripple reduction with advance dual gear and bearing face cut |
| 01/01/2014 | CN103486023A Screw pump and screw |
| 01/01/2014 | CN102979727B Wear-resistant light-duty steering vane pump for heavy-duty truck |
| 12/31/2013 | CA2725604C Rotary sliding vane compressor |
| 12/27/2013 | WO2013190417A1 An apparatus for circulating a cooling liquid |
| 12/27/2013 | WO2013139504A3 Vane-type pump having a housing, having a displaceable stator, and having a rotor that is rotatable within the stator |
| 12/27/2013 | CA2781051A1 Ice slurry pump |
| 12/25/2013 | EP2479382B1 Rotor blade |
| 12/25/2013 | CN203362512U Marine low-speed helical gear oil pump unit |
| 12/25/2013 | CN203362511U Servo high-pressure spring pin combination vane pump |
| 12/25/2013 | CN203362510U High-speed external engaging helical gear pump |
| 12/25/2013 | CN203362509U Cycloid rotor pump provided with asymmetric oil groove |
| 12/25/2013 | CN203362508U Novel duplex cycloid pump |
| 12/25/2013 | CN203362507U Novel cycloid rotor pump |
| 12/25/2013 | CN203362506U Wear-resisting device of hot melt glue supply pump |
| 12/25/2013 | CN203362505U Internal gear machine |
| 12/25/2013 | CN103470499A Vane oil pump |
| 12/25/2013 | CN103470497A Chocolate syrup pump |
| 12/25/2013 | CN103470496A Pump, hydraulic steering device for transmission vehicle and speed changer |
| 12/25/2013 | CN103470495A Internal gear with particle receiving devices of gear pump |
| 12/25/2013 | CN101331321B 热熔胶计量站 Hot melt adhesive metering station |
| 12/24/2013 | US8613610 Variable displacement pump |
| 12/24/2013 | US8613609 Bi-metal pump gear |
| 12/24/2013 | US8613608 Progressive cavity pump having an inner rotor, an outer rotor, and transition end piece |
| 12/24/2013 | US8613270 Rotary energy converter with retractable barrier |
| 12/24/2013 | US8613269 Internal combustion engine with direct air injection |
| 12/19/2013 | WO2013186839A1 Gear pump or motor |
| 12/19/2013 | WO2013186314A1 Positive displacement pump |
| 12/19/2013 | WO2013185550A1 Cross type composite sliding vane rotor pump |
| 12/19/2013 | WO2013030025A3 Rotary displacement pump for pumping flowable viscous materials |
| 12/19/2013 | WO2013000745A4 Micropump, bearing element for a micropump, and working method |
| 12/19/2013 | US20130336829 Rotary piston machine, especially rotary engine |
| 12/19/2013 | DE102012210257A1 Pump for conveying of fluid, has pivoting wings articulated at outer ring and rotor core by hinges, where rotor core- and outer ring-side bushes of hinges are defined by recesses in rotor core and outer ring |
| 12/19/2013 | DE102012210048A1 Verdrängerpumpe Displacement pump |
| 12/19/2013 | DE102012012076A1 Stator of cavity pump used in food industry, has perforated plate pipe arranged between outer side of stator main portion and inner side of rotor space and made of rubber to surround sides of stator main portion |
| 12/18/2013 | EP2673509A2 Lubricant control valve for a screw compressor |
| 12/18/2013 | CN203348074U Double gear pump unit |
| 12/18/2013 | CN203348073U High pressure spray type gear pump |
| 12/18/2013 | CN203348072U High-flow gear oil pump |
| 12/18/2013 | CN203348071U Engine cooling water cycloid pump |
| 12/18/2013 | CN103459852A Lubricant control valve for screw compressor |
| 12/18/2013 | CN103452839A Inner screw rod type fluid conveying equipment |
| 12/18/2013 | CN103452838A Gear pump, pumping apparatus including the same, and aircraft fuel system including gear pump |
| 12/18/2013 | CN103452837A Rotor for oil pump |
| 12/18/2013 | CN103452836A Capacity varying mechanism of rotor fluid machine |
| 12/18/2013 | CN102678182B Star-spinning type rotation device with double sun wheels, engine and fluid machine |
| 12/18/2013 | CN102162444B Gerotor hydraulic pump |
| 12/17/2013 | US8608465 Positive-displacement rotary pump having a positive-displacement auxiliary pumping system |
| 12/12/2013 | WO2013182486A1 Brake module for a gravity conveyor |
| 12/12/2013 | US20130330224 Multi-cluster gear device |
| 12/12/2013 | US20130330222 Method for producing the tooth shape of the inner and outer ring of an annular gear machine and toothed ring produced by means of said method |
| 12/12/2013 | DE102012209775A1 Gear wheel machine e.g. pump and electromotor, has wheels teeth comprising clamping surface arranged such that clamping surface does not contact force transferring tooth flank of gear wheels in all rotational positions of machine |
| 12/12/2013 | DE102012209622A1 Zahnradmaschine mit hydrodynamisch und hydrostatisch gelagertem Lagerzapfen Gear machine with hydrodynamic and hydrostatic bearing journals stored |
| 12/12/2013 | CA2875794A1 Tachometer for downhole drilling motor |
| 12/11/2013 | EP2672119A1 Geared machine with hydrodynamic and hydrostatic bearing pins |
| 12/11/2013 | EP2672118A2 Gear pump, pumping apparatus including the same, and aircraft fuel system including gear pump |
| 12/11/2013 | EP2670983A1 Internal gear pumps for a hydraulic vehicle braking system |
| 12/11/2013 | EP2670639A1 Double internal gear wheel pump |
| 12/11/2013 | CN203335393U 叶片泵 Vane pump |
| 12/11/2013 | CN203335392U Oil pump with high assembly accuracy |
| 12/11/2013 | CN203335391U Gear hydraulic pump |