| Patents for F01C 3 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members (679) |
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| 11/23/2010 | CA2501161C Inner housing for rotary piston machines |
| 11/18/2010 | US20100290940 Radial axis, spherical based rotary machines |
| 11/16/2010 | CA2625088C Toroidal engine with variable displacement volume |
| 10/28/2010 | US20100269688 Piston Machine |
| 10/20/2010 | EP2240695A1 Variable-volume rotary device, an efficient two-stroke spherical engine |
| 10/19/2010 | CA2509639C Hydraulic or pneumatic machine with tilting blades |
| 09/30/2010 | WO2010086516A3 Rotary engine with a circular rotor |
| 09/30/2010 | US20100247364 Single screw compressor structure |
| 09/23/2010 | DE102009012372A1 System for controlling gas leakage time periods during load change for four-stroke-combustion engine, has shifter provided with opening, where geometry of passage opening covers overflow opening and releases leaking gas |
| 08/26/2010 | WO2010023487A3 Rotary piston and cylinder devices |
| 08/19/2010 | DE102007039309B4 Rotationskolbenmaschine Rotary piston engine |
| 08/05/2010 | WO2010086516A2 Rotary engine with a circular rotor |
| 07/29/2010 | DE102009006521A1 Drehkolbenmaschine Rotary engine |
| 07/08/2010 | DE102008063182A1 Sealing system for rotary piston combustion engine, has sealing blade that is firmly connected with control spool, where control spool is provided at left and right axial ends with respective radius |
| 06/23/2010 | CN1908377B Oscillating piston engine |
| 06/17/2010 | WO2010018053A3 Spur gearwheel pump |
| 06/01/2010 | US7726960 Twin-plate rotary compressor |
| 05/27/2010 | DE102009001890A1 Rotationsmaschine Rotary machine |
| 05/26/2010 | EP2188496A2 Method for converting energy from compressed air into mechanical energy and compressed air motor therefor |
| 05/20/2010 | WO2010054864A1 Rotary machine |
| 05/05/2010 | CN1873189B Rotary piston engine |
| 04/29/2010 | US20100104462 Pump or motor |
| 04/22/2010 | US20100095926 Orbital engine |
| 04/08/2010 | WO2010037620A2 Delivery unit |
| 04/08/2010 | DE102008050710A1 Rotary piston engine has basic form of spherical sector gearwheel pair which arises from obtuse-angled spherical sector, where acute-angled spherical section tooth heads are accommodated in spherical sector cone-shaped shell surfaces |
| 03/30/2010 | CA2550411C Improvements in intersecting vane machines |
| 03/25/2010 | WO2010031173A1 Indexed positive displacement rotary motion device |
| 03/25/2010 | US20100074786 Indexed positive displacement rotary motion device |
| 03/25/2010 | DE102006009198B4 Schwenkkolbenmaschine Rotary-piston engine |
| 03/25/2010 | CA2735567A1 Indexed positive displacement rotary motion device |
| 03/24/2010 | EP2165048A1 Rotary internal combustion engine with annular chamber |
| 03/04/2010 | WO2010023487A2 Rotary piston and cylinder devices |
| 03/02/2010 | US7670121 Spherical fluid machines |
| 01/26/2010 | US7650871 Rotary compressor and expander, and rotary engine using the same |
| 12/30/2009 | EP2137378A1 Pump or motor |
| 11/25/2009 | EP2122126A1 Rotary internal combustion engine with annular chamber |
| 11/18/2009 | EP2119869A2 Hydro transformer |
| 11/18/2009 | CN100560945C Oscillating piston engine |
| 10/27/2009 | CA2419740C Variable geometry toroidal engine |
| 09/03/2009 | DE102008012374A1 Rotationskolbenmachine Rotary piston machine |
| 08/20/2009 | DE10340670B4 Rotorenkolbenmotor Rotors piston engine |
| 07/23/2009 | US20090185937 Positive-displacement rotary machine |
| 07/21/2009 | US7563086 Oscillating piston machine |
| 06/24/2009 | CN100504033C Rotary piston engine |
| 06/09/2009 | CA2474449C Swiveling piston engine |
| 06/04/2009 | US20090142216 Fixed vane type hydraulic motor |
| 05/14/2009 | DE102007019985A1 Driving and working machine has rotary piston, which is connected with shaft and is movable on circular path in annular hollow space enclosed between stator and shaft |
| 05/07/2009 | WO2009026883A3 Method for converting energy from compressed air into mechanical energy and compressed air motor therefor |
| 05/07/2009 | DE102007054321A1 Kolbenmaschine Piston engine |
| 04/22/2009 | EP2049770A1 Rotary nasal engine with internal combustion |
| 04/22/2009 | CN100480489C Rotary-piston engine |
| 04/16/2009 | WO2006107828A3 Toroidal intersecting vane gas management system |
| 04/15/2009 | CN100478544C Rotor engine |
| 04/02/2009 | US20090087330 Fluid pump |
| 03/17/2009 | US7503307 Energy transfer machine with inner rotor |
| 03/05/2009 | WO2009026883A2 Method for converting energy from compressed air into mechanical energy and compressed air motor therefor |
| 03/05/2009 | WO2009026882A1 Method for converting compressed air energy into electric energy and carrying out said method by means of an air motor |
| 03/05/2009 | DE102008037903A1 Verfahren zur Umwandlung von Druckluftenergie in mechanische Energie und Druckluftmotor dafür A method for converting pressurized air energy into mechanical energy and compressed air motor for |
| 03/05/2009 | DE102008037841A1 Verfahren zur Umwandlung von Druckluftenergie in elektrische Energie und Durchführung des Verfahrens mit einem Druckluftmotor A method for converting pressurized air energy into electrical energy and performance of the method with an air motor |
| 02/19/2009 | DE102007039309A1 Rotationskolbenmaschine Rotary piston engine |
| 02/19/2009 | DE102007039142A1 Hub extrusion machine, particularly swash plate machine, has two sectional areas that are merged at front side in virtual spherical diameter axis, and are attached to circular front surface of swash element in sealing manner |
| 02/12/2009 | DE10310185B4 Lamellendichtung für einen Rotationskolben-Verbrennungsmotor Lamellar seal for a rotary internal combustion piston engine |
| 01/08/2009 | DE102007029200B3 Sealing system for rotary-piston internal combustion engine, has sealing flange plate that is arranged radially from rotation center and radial height of sealing flange plate corresponds to height of formed ranges of sides of rotor disks |
| 01/02/2009 | DE102007030853A1 Rotary piston engine e.g. internal combustion engine, has opening partially overlapping gas inlet opening in azimuthal angle region, and control element that is position adjustable to change dimension, initial angle or end angle of region |
| 12/30/2008 | US7469673 Rotary-piston engine and vehicle comprising an engine of this type |
| 12/24/2008 | DE102007028874A1 Rotary piston internal combustion engine for vehicle, involves pressing compressed air and/or mixture portions into compression chamber, and supplying diesel as gas mixture for combustion |
| 12/04/2008 | DE102008013991A1 Pumpe oder Motor Pump or motor |
| 11/06/2008 | DE102007020337A1 Rotary piston engine with circulating piston has sliding element movable reciprocally in and out of annular chamber to divide chamber into separated regions, adjacent inlet(s) and outlet(s), source(s) of force medium connected to inlet(s) |
| 10/09/2008 | WO2008121082A1 Rotary internal combustion engine with annular chamber |
| 10/01/2008 | EP1974125A1 Rotary machine and combustion engine |
| 09/18/2008 | WO2008110155A1 Pump or motor |
| 09/12/2008 | WO2008108743A1 Rotary internal combustion engine with annular chamber |
| 09/11/2008 | DE102006009197B4 Schwenkkolbenmaschine Rotary-piston engine |
| 09/04/2008 | DE10110261B4 Rotationskolben-Verbrennungsmotor Rotary piston engine |
| 07/16/2008 | EP1585887B1 Hydraulic or pneumatic machine with tilting blades |
| 06/24/2008 | US7390181 Rotating piston machine |
| 04/01/2008 | US7351047 Swash-plate variable volume chamber-type fluid machine |
| 03/27/2008 | WO2008036004A1 Positive displacement rotary machine provided with a double-sphere chamber |
| 03/13/2008 | WO2008029426A1 Volumetric machine comprising a toroidal chamber, divided into variable-volume sections by one or more separation valves, in which at least one toroidal- sector piston slides |
| 03/11/2008 | US7341041 Toroidal engine with variable displacement volume |
| 03/06/2008 | WO2007142557A3 Positive-displacement rotary machine |
| 03/06/2008 | WO2007142556A8 Detonation internal combustion engine with a floating piston and a method for the control thereof |
| 03/06/2008 | WO2007142553A3 Positive-displacement rotary machine |
| 02/28/2008 | WO2008024030A1 Chamber of a positive displacement rotary machine (variants) and the stage thereof consisting of several chambers |
| 02/14/2008 | WO2008018841A1 Rotary nasal engine with internal combustion |
| 01/17/2008 | WO2008008003A1 Method for operating a positive displacement rotary machine and a device for carrying out said method |
| 01/17/2008 | CA2656886A1 Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method |
| 01/15/2008 | US7318712 Rotary piston machines comprising a displaceable inner housing |
| 12/20/2007 | DE102006027953A1 Brennkraftmaschine, insbesondere für ein Arbeitsgerät Internal combustion engine, in particular for an implement |
| 12/13/2007 | WO2007142556A2 Detonation internal combustion engine with a floating piston and a method for the control thereof |
| 12/13/2007 | WO2007142553A2 Positive-displacement rotary machine |
| 12/11/2007 | US7305963 Blade-thru-slot combustion engine, compressor, pump and motor |
| 11/15/2007 | DE102007022418A1 Drehkolbenmaschine Rotary engine |
| 11/01/2007 | WO2007122007A1 Rotary pistons machine |
| 11/01/2007 | US20070253851 Leakage Loss Flow Control |
| 10/31/2007 | EP1849958A1 Rotary pistons machine |
| 09/27/2007 | WO2007107503A1 Piston unit of rotary pump |
| 09/26/2007 | CN101044303A Orbital engine |
| 09/20/2007 | DE102005062529B4 Schwenkkolbenmaschine Rotary-piston engine |
| 09/19/2007 | CN100338336C Ball shape rotary engine |