| Patents for F02B 57 - Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons (870) |
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| 05/18/2005 | CN2700579Y Rotary engine |
| 05/04/2005 | EP1423588B1 Modular revolving cylinder engine with tangential combustion |
| 05/04/2005 | CN1612975A Rotating positive displacement engine |
| 04/26/2005 | US6883473 Radial motor/pump |
| 04/14/2005 | US20050076883 Internal combustion engine |
| 04/13/2005 | EP1268978A4 Piston motion modifiable internal combustion engine |
| 04/12/2005 | US6877476 Internal combustion engine |
| 03/31/2005 | WO2005028820A1 A device for a valve control for a combustion engine |
| 03/24/2005 | US20050061269 Stotler variable displacement radial rotary piston engine |
| 02/23/2005 | EP1507956A1 Retro-mechanical, post-mechanical, bi-mechanical traction engines |
| 02/23/2005 | CN1190588C Axial piston machine |
| 02/22/2005 | US6857400 Method for controlling the compression ratio of an internal combustion engine |
| 12/30/2004 | US20040261731 Rotary engine and compressor |
| 12/30/2004 | US20040261399 For the regeneration of an NOx storage catalyst by means of hydrogen in a secondary hydrogen process, the hydrogen required for the regeneration is taken from a primary hydrogen process |
| 12/29/2004 | EP1427925B1 Reciprocating piston engine comprising a rotative cylinder |
| 12/29/2004 | CN2667175Y Two-stroke petrol engine with ventilating chamber |
| 12/28/2004 | US6834636 Single-ended barrel engine with double-ended, double roller pistons |
| 12/23/2004 | DE202004004472U1 Four-stroke internal combustion engine without valves has gear wheel connection, whereby crankshaft and rotary ring rotate in opposition over 360 degrees, and piston achieves higher working speed |
| 12/22/2004 | EP1488085A1 Reciprocating and rotary internal combustion engine, compressor and pump |
| 12/08/2004 | CN1553988A Reciprocating piston engine comprising a rotative cylinder |
| 11/16/2004 | CA2429211A1 Retro mechanical, post mechanical and bi mechanical drive machines |
| 11/10/2004 | EP1474590A1 Rotating positive displacement engine |
| 11/09/2004 | US6813989 Rotary compressor or pump |
| 11/09/2004 | CA2263332C Improvements in axial piston rotary engines |
| 11/04/2004 | US20040216703 Radial motor/pump |
| 11/04/2004 | US20040216702 Reciprocating piston engine comprising a rotative cylinder |
| 11/03/2004 | EP1451456A4 Integral air compressor for boost air in barrel engine |
| 10/20/2004 | CN1172082C Satellites-type cylinder-variable IC engine |
| 10/13/2004 | EP0917617B1 Improvements in axial piston rotary engines |
| 10/07/2004 | WO2004085813A1 Internal combustion engine with hydraulic transmission and valveless distribution, which is supplied by an oxygen generator |
| 09/12/2004 | CA2421097A1 Combinational guides for poly inductive machines and synthesis of guide levels |
| 09/01/2004 | EP1451456A1 Integral air compressor for boost air in barrel engine |
| 08/26/2004 | US20040163619 Homogenous charge compression ignition and barrel engines |
| 08/17/2004 | US6776135 Rotary engine |
| 07/30/2004 | CA2417138A1 Complementary solutions relating to rectilinear engines |
| 07/22/2004 | US20040139934 Internal combustion engine with regenerator, hot air ignition, and supercharger-based engine control |
| 07/13/2004 | CA2188757C Axial piston rotary engine |
| 06/23/2004 | CN1507533A Engine generator |
| 06/16/2004 | EP1427925A1 Reciprocating piston engine comprising a rotative cylinder |
| 06/16/2004 | EP1045963A4 Orbital internal combustion engine |
| 06/09/2004 | EP1383993A4 Engine generator |
| 06/09/2004 | EP1155221A4 Rotary two-stroke engine |
| 06/05/2004 | CA2410848A1 Additional support methods for poly-induction machines |
| 06/03/2004 | DE10254758A1 Rotary-piston engine with circumferential pistons, has second rotation axis for guiding control rods positioned in parallel to and at distance from main axis of engine |
| 06/02/2004 | EP1423588A1 Modular revolving cylinder engine with tangential sparks |
| 05/26/2004 | CA2410789A1 Geometric considerations related to poly inductive set-up of post and retrorotary machines |
| 05/26/2004 | CA2410787A1 Final synthesis of poly inductive machine ii |
| 05/05/2004 | CA2407284A1 Energy machines with equidistant support |
| 04/28/2004 | EP1315889B1 Method for controlling the compression ratio of an internal combustion engine |
| 04/01/2004 | WO2002057606A9 Rotary crank-rod mechanism |
| 03/19/2004 | CA2401687A1 Final synthesis of poly-induction machines |
| 03/19/2004 | CA2401678A1 Accelerative gear system |
| 03/18/2004 | US20040050356 Stotler radial rotary piston engine |
| 03/18/2004 | US20040050348 Internal combustion engine/hydraulic motor/fluid pump provided with opposite pistons |
| 03/18/2004 | US20040050347 Piston motion modifiable internal combustion engine |
| 03/11/2004 | US20040045290 Rotary crank-rod mechanism |
| 03/02/2004 | US6698394 Homogenous charge compression ignition and barrel engines |
| 02/26/2004 | US20040035385 Single-ended barrel engine with double-ended, double roller pistons |
| 02/12/2004 | US20040025818 Method for controlling the compression ratio of an internal combustion engine |
| 01/28/2004 | EP1383993A1 Engine generator |
| 01/06/2004 | US6672263 Reciprocating and rotary internal combustion engine, compressor and pump |
| 12/16/2003 | US6662775 Integral air compressor for boost air in barrel engine |
| 12/04/2003 | WO2003100230A1 Modular rotary engine with tangential explosion |
| 12/03/2003 | EP1366276A1 Rotary crank-rod mechanism |
| 11/27/2003 | WO2003098005A1 Retro-mechanical, post-mechanical, bi-mechanical traction engines |
| 11/27/2003 | CA2386355A1 Summary of motors with no idle time |
| 11/27/2003 | CA2386353A1 Centre-firing primary engine |
| 11/27/2003 | CA2386350A1 Power motor with retention |
| 11/27/2003 | CA2386349A1 Cylindrical forms ideal for poly-induction motors |
| 11/17/2003 | CA2385608A1 Polyturbine with backflow preventer ii |
| 09/25/2003 | DE20308951U1 Multicylinder system for combustion engine, has several cylinders driven from one chamber, driving e.g. chain, and at least two cylinder blocks have to be interconnected for overcoming dead center |
| 09/18/2003 | WO2003076777A1 Reciprocating and rotary internal combustion engine, compressor and pump |
| 09/11/2003 | US20030168026 Reciprocating and rotary internal combustion engine, compressor and pump |
| 09/09/2003 | US6615793 Valveless revolving cylinder engine |
| 08/21/2003 | US20030154936 Rotary compressor or pump |
| 08/19/2003 | US6606970 Adiabatic internal combustion engine with regenerator and hot air ignition |
| 07/29/2003 | CA2116975C Two stroke internal combustion engine |
| 07/17/2003 | WO2003058036A1 Rotating positive displacement engine |
| 07/17/2003 | US20030131807 Rotating positive displacement engine |
| 07/17/2003 | CA2472936A1 Rotating positive displacement engine |
| 07/15/2003 | US6591791 Spark-ignition rotary internal-combustion engine |
| 07/10/2003 | US20030127062 Ahn engine improved rotary engine system and method |
| 07/02/2003 | CN1113150C Rotary two-stroke engine |
| 06/26/2003 | US20030115857 Process for the catalytic exhaust gas aftertreatment of engine combustion emissions |
| 06/18/2003 | EP1319813A2 Method for catalytically aftertreating exhaust gas of an internal combustion engine exhaust gas |
| 06/04/2003 | EP1315889A1 Method for controlling the compression ratio of an internal combustion engine |
| 05/01/2003 | US20030079715 Integral air compressor for boost air in barrel engine |
| 04/17/2003 | WO2003031784A1 Integral air compressor for boost air in barrel engine |
| 04/17/2003 | US20030070632 Spark-ignition rotary internal-combustion engine |
| 03/27/2003 | WO2003025369A1 Reciprocating piston engine comprising a rotative cylinder |
| 03/25/2003 | US6536383 Internal combustion rotary engine |
| 03/04/2003 | US6526925 Piston driven rotary engine |
| 01/29/2003 | EP1278946A1 Spark-ignition rotary internal-combustion engine |
| 01/02/2003 | EP1268978A1 Piston motion modifiable internal combustion engine |
| 12/17/2002 | US6494171 Axial piston machines |
| 12/11/2002 | EP1264963A1 Axial piston machines |
| 11/21/2002 | WO2002093005A2 Water circuit motor |
| 11/21/2002 | US20020170511 Axial piston machines |
| 11/06/2002 | CN1093906C Improvements in axial rotary engines |
| 10/30/2002 | CN1376854A Satellites-type cylinder-variable IC engine |