| Patents for F01B 9 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups (2,571) |
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| 03/27/2002 | CN1081735C 两冲程内燃机 Two-stroke internal combustion engine |
| 03/21/2002 | WO2002023026A1 Smart piston engine |
| 03/20/2002 | EP0980466B1 Device for varying a piston engine effective volumetric displacement and/or volumetric ratio of during its operation |
| 03/13/2002 | EP1185777A1 Folded guide link stirling engine |
| 03/12/2002 | US6354252 Device for varying a piston engine effective volumetric displacement and/or volumetric ratio of during its operation |
| 03/07/2002 | DE10140262A1 Two-stroke engine with crankshaft-less force transfer has cylinder radial to shaft, closed by cylinder floor/head, arranged between two flywheels attached to driven shaft beneath cylinder floor |
| 03/06/2002 | EP0910726B1 Air cooled power machine |
| 02/26/2002 | US6349694 Reciprocating mechanism and engine including the same |
| 02/26/2002 | US6349684 Crank-connecting rod mechanism |
| 02/20/2002 | CN1336982A Variable compression pistol assembly |
| 02/19/2002 | US6347610 Engine |
| 02/14/2002 | WO2002012694A1 Internal combustion piston engine comprising various compression influences |
| 02/14/2002 | WO1995004877A3 Internal combustion thermal engine comprising at least two opposed cylinders |
| 02/14/2002 | DE10132294A1 Pneumatischer Linearaktuator Pneumatic linear actuator |
| 02/13/2002 | EP1179117A1 Drive mechanism and rotary displacer for hot air engines |
| 01/31/2002 | US20020011239 Fuel injection device for internal combustion engines |
| 01/24/2002 | US20020007814 Internal combustion engine |
| 01/24/2002 | US20020007813 Four-cycle internal combustion engine |
| 01/23/2002 | EP1080320B1 Crank-connecting rod mechanism |
| 01/16/2002 | EP1171689A1 Reciprocating fluid machines |
| 01/16/2002 | CN1331381A Gear-rack structure for outputting power of IC engine |
| 01/10/2002 | US20020002901 Pneumatic linear actuator |
| 01/09/2002 | EP1170462A1 Piston machine comprising a mechanism with no connecting-rod |
| 01/09/2002 | EP1169549A1 Mechanical transmission device for engine with variable volume displacement |
| 01/03/2002 | DE10107921A1 Four-cylinder internal combustion engine has power transmission from combustion chambers via rigid piston-slide-crankshaft sets fixed rigidly to slide pusher |
| 01/02/2002 | EP1167720A1 Constant volume engine |
| 01/02/2002 | EP1165976A1 Internal combustion engine |
| 12/26/2001 | CN1076783C IC engine |
| 12/25/2001 | CA2264377C Mechanism for converting reciprocal linear motion to rotational motion |
| 12/13/2001 | US20010049939 Folded guide link drive improvements |
| 12/13/2001 | DE10027633A1 Crank mechanism has crank shaft bearings, housing, crank discs and pins, axial recesses for counterweights |
| 12/12/2001 | CN1076074C Reciprocating piston engine, especially internal combustion engine with hypocycloidal crank shaft drive |
| 12/12/2001 | CN1076073C Reciprocating piston engine with adjacent cylinders in the crankshaft direction in an engine case |
| 12/06/2001 | US20010047775 Internal combustion cylinder engine |
| 11/28/2001 | EP1157210A1 Rotary power unit |
| 11/28/2001 | EP1157191A1 Variable stroke motor and valve |
| 11/22/2001 | DE10024228A1 Piston engine for motor vehicles has rotary part arranged so that machine elements of piston engage directly in same without need for crankshaft etc |
| 11/15/2001 | WO2001042624A3 Rotary engine |
| 11/15/2001 | US20010039795 Internal combustion engine |
| 11/07/2001 | EP1152138A2 Process for operating an internal combustion engine and such engine |
| 11/01/2001 | WO2001081743A1 Z-crank mechanism |
| 10/31/2001 | EP0847481B1 Piston engine with a hypocycloid piston stroke gear with watt guide, especially with pistons in opposed cylinders |
| 10/31/2001 | DE10003467A1 Gelenkpleuel-Kinematik Gelenkpleuel kinematics |
| 10/31/2001 | CN1074083C Opposed piston combustion engine |
| 10/30/2001 | US6308611 Variable stroke motor and valve |
| 10/18/2001 | WO2001077495A1 Radial piston engine |
| 10/18/2001 | WO2001077494A1 Piston motion modifiable internal combustion engine |
| 10/18/2001 | US20010029838 Airless sprayer drive mechanism |
| 10/18/2001 | DE10033264A1 Radialkolbenmaschine Radial piston engine |
| 10/17/2001 | CN1073212C 往复式机械 Reciprocating Machinery |
| 10/10/2001 | EP0900343B1 Piston mechanism |
| 09/20/2001 | WO2001069059A1 Internal combustion engine |
| 09/18/2001 | US6289791 Arrangement in a combustion engine with internal combustion |
| 09/12/2001 | CN1070987C Transducer for converting linear energy to rotational energy |
| 09/07/2001 | WO2001065072A1 Internal-combustion engine with improved reciprocating action |
| 08/30/2001 | WO2001063099A1 Engines driven by liquified or compressed gas |
| 08/30/2001 | US20010017122 Internal-combustion engine with improved reciprocating action |
| 08/28/2001 | US6279518 Rotary engine having a conical rotor |
| 08/22/2001 | CN1309747A Double throw engine |
| 08/16/2001 | WO2001059328A1 Device for interconverting rotary reciprocating movement |
| 08/14/2001 | US6273052 Coupling arrangement for reciprocating piston engine |
| 08/08/2001 | CN1307668A Reciprocating machanism and engine including the same |
| 08/02/2001 | WO2001055606A1 Internal combustion engine |
| 08/01/2001 | EP0811114B1 Improved cooling for gas turbine - two stroke piston compound engine |
| 07/26/2001 | WO2001053659A1 Motor |
| 07/12/2001 | WO2001049974A1 A device for converting a linear movement into a rotary movement |
| 07/05/2001 | DE10017806A1 Four-stroke internal combustion engine has pairs of coaxially superposed cylinders both ends of air-cooled crankcase and four pushrods and shuttle valve forming air-precompression chamber. |
| 07/04/2001 | EP1113158A2 Combustion engine |
| 07/03/2001 | US6253550 Folded guide link stirling engine |
| 06/27/2001 | CN1301332A Crank-connecting rod mechanism |
| 06/27/2001 | CN1067741C Crank and double-round slide reciprocating piston internal combustion engine |
| 06/14/2001 | WO2001042624A2 Rotary engine |
| 06/14/2001 | US20010003257 Transducer for converting linear energy to rotational energy |
| 06/13/2001 | EP1105635A1 Dual-cylinder expander engine and combustion method with two expansion strokes per cycle |
| 06/13/2001 | CN1067151C Reciprocating mechanism with adjustable stroke |
| 05/30/2001 | EP1102925A1 Eccentric and spring system for the internal and external combustion piston motors |
| 05/30/2001 | CN1297104A Rubbing-type IC engine |
| 05/29/2001 | CA2176234C Crank mechanism |
| 05/08/2001 | US6227161 Piston-crank mechanism |
| 05/02/2001 | CN1293302A IC engine with gear-rack drive |
| 05/01/2001 | US6223704 Spark-ignition engine, flat and with opposite cylinders |
| 05/01/2001 | US6223703 Engine |
| 04/26/2001 | WO2001029378A1 Anti-backlash sprag |
| 04/26/2001 | CA2388368A1 Anti-backlash sprag |
| 04/11/2001 | EP1090236A1 A reciprocating mechanism and engine including the same |
| 04/11/2001 | CN1291254A Method and means for varying piston-in-cylinder motion |
| 04/10/2001 | US6213082 Drive arrangement for a two-cycle engine |
| 04/10/2001 | US6213064 Double throw engine |
| 04/04/2001 | EP1088156A1 Double throw engine |
| 04/03/2001 | US6209495 Compound two stroke engine |
| 03/29/2001 | WO2001021947A1 Conversion of rectilinear reciprocating motion into rotational motion |
| 03/29/2001 | CA2385112A1 Conversion of rectilinear reciprocating motion into rotational motion |
| 03/28/2001 | EP1086296A1 I-yoke mechanism |
| 03/28/2001 | CN1063835C Connection-rod bearing with eccentric and coiled spring system |
| 03/27/2001 | US6205972 Engine |
| 03/21/2001 | EP0905363A4 Connecting-rod and piston assembly |
| 03/20/2001 | US6202623 Internal combustion engines |
| 03/20/2001 | US6202605 Arrangement in a two cycle combustion engine with internal combustion |
| 03/20/2001 | US6202416 Dual-cylinder expander engine and combustion method with two expansion strokes per cycle |
| 03/14/2001 | EP1082548A1 Coupling element for connecting two shafts which are parallel to an axis and arranged behind each other on the same axis with a cross-distance therebetween |