| 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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| 01/15/2003 | EP0839266B1 Opposed piston combustion engine |
| 01/14/2003 | US6505543 Pneumatic linear actuator |
| 01/08/2003 | EP1272735A1 Radial piston engine |
| 01/02/2003 | EP1268978A1 Piston motion modifiable internal combustion engine |
| 01/02/2003 | DE20214880U1 Piston-driven machine has crankshaft axis parallel to and separate from piston rise and fall plane |
| 12/27/2002 | WO2002103186A1 Guide link drive |
| 12/27/2002 | WO2002088530A9 Scotch yoke engine |
| 12/26/2002 | US20020194987 Piston engine balancing |
| 12/25/2002 | CN1097149C Arrangement in combustion engine with internal combustion |
| 12/11/2002 | EP1264089A1 Internal combustion engine |
| 12/10/2002 | US6491141 Safety brake arrangement in a brake actuator |
| 12/05/2002 | US20020179037 Combustion motor |
| 11/27/2002 | EP1012459B1 Internal combustion engines |
| 11/20/2002 | EP1257733A1 Engines driven by liquified or compressed gas |
| 11/20/2002 | CN1094558C Rotational motion mechanism and engine |
| 11/19/2002 | US6481393 Internal combustion engine with compound piston assembly |
| 11/14/2002 | US20020166521 Reciprocating internal combustion engine |
| 11/07/2002 | WO2002088530A1 Scotch yoke engine |
| 11/07/2002 | WO2002088524A1 Radial engine |
| 11/07/2002 | US20020162527 Device for converting a linear movement into a rotary movement |
| 11/07/2002 | CA2445470A1 Scotch yoke engine |
| 11/06/2002 | CN1378616A Anti-back rotation overrunning clutch |
| 11/06/2002 | CN1093906C Improvements in axial rotary engines |
| 11/05/2002 | US6474287 Reciprocating mechanism and engine including the same |
| 10/24/2002 | DE10120945A1 Fluid motor, especially pneumatic motor, has drive units with contraction drive and contraction hose between two head pieces, with fiber arrangement in hose body |
| 10/23/2002 | CN1376237A Conversion of rectilinear reciprocating motion into rotational motion |
| 10/10/2002 | DE10127333A1 Herstellungsverfahren für einen arbeitssparenden Motor und damit hergestellter Motor Manufacturing method of a labor-saving engine and thus produced motor |
| 10/09/2002 | EP1247959A2 Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type |
| 10/03/2002 | US20020139324 Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type |
| 09/25/2002 | EP1242718A1 A device for converting a linear movement into a rotary movement |
| 09/25/2002 | EP1021642A4 Volumetric-displacement device having molded pistons and cylinders |
| 09/24/2002 | US6453793 Sprag motor |
| 09/19/2002 | WO2002012694A9 Internal combustion piston engine comprising various compression influences |
| 09/18/2002 | CN1369628A Engine for motor bicycle |
| 09/17/2002 | US6449940 Internal combustion engine |
| 09/12/2002 | WO2002063184B1 Symmetric device for containing reciprocating motion into rotational motion |
| 09/12/2002 | US20020124816 Reciprocating internal combustion engine |
| 09/11/2002 | EP1090236B1 A reciprocating mechanism and engine including the same |
| 09/04/2002 | EP1236877A2 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 09/04/2002 | CN1090276C Overhead cam engine |
| 09/04/2002 | CN1090275C Method and device for covnerting thermal energy into useful form |
| 09/03/2002 | US6443106 Coupling element connecting two parallel, spaced shafts for varying their position relative to one another |
| 08/29/2002 | US20020117129 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 08/29/2002 | DE10135217A1 Verbrennungsmotor mit Knickpleuel und verlängerter oberer Totpunkt-Zeit Combustion engine with Knickpleuel and extended upper dead-time |
| 08/28/2002 | CN1089874C Bearing arrangement |
| 08/28/2002 | CN1089849C Arrangement in two cycle combustion engine with internal combustion |
| 08/22/2002 | DE10108007A1 Hubkolbenmaschine Reciprocating engine |
| 08/22/2002 | DE10108006A1 Verfahren zur Überwachung einer Hubkolbenmaschine sowie diesbezügliche Hubkolbenmaschine Method for monitoring a reciprocating engine and related reciprocating piston engine |
| 08/15/2002 | WO2002063184A1 Symmetric device for containing reciprocating motion into rotational motion |
| 08/08/2002 | US20020104504 Engine for motorcycles |
| 08/07/2002 | EP1228956A2 Engine for motorcycles |
| 08/07/2002 | CN1362575A High-efficient engine |
| 08/01/2002 | WO2002059502A1 A new transmission apparatus which achieves the transformation between the rotation and the reciprocating motion |
| 08/01/2002 | WO2002059468A1 Internal combustion engine with articulated connecting rod and prolonged upper dead center time |
| 07/31/2002 | EP0931205A4 Method and system of converting thermal energy into a useful form |
| 07/23/2002 | US6422196 Piston engine powertrain |
| 07/18/2002 | WO2001069059A9 Internal combustion engine |
| 07/18/2002 | US20020092495 Manufacturing method of laborsaving engine and engine manufactured by it |
| 07/17/2002 | EP1222368A1 Anti-backlash sprag |
| 07/17/2002 | CN1087808C Air cooled power machine |
| 07/02/2002 | US6412454 Rotary power unit |
| 06/26/2002 | CN1355868A Rotary cylinder device |
| 06/25/2002 | US6408814 Four-cycle internal combustion engine |
| 06/20/2002 | US20020074539 Pneumatic motor and pneumatic hoist apparatus installed with the same |
| 06/20/2002 | US20020073944 Crank mechanism of reciprocating internal combustion engine of multi-link type |
| 06/19/2002 | EP1215380A2 Crank mechanism of reciprocating internal combustion engine of multi-link type |
| 06/19/2002 | EP1214507A1 Conversion of rectilinear reciprocating motion into rotational motion |
| 06/19/2002 | EP1080301B1 Piston for use in an engine |
| 06/19/2002 | EP0977939B1 Arrangement in a two cycle combustion engine with internal combustion |
| 06/19/2002 | EP0977938B1 Arrangement in a combustion engine with internal combustion |
| 06/19/2002 | CN1354818A Drive mechanism and rotary displacer for hot air engines |
| 06/12/2002 | CN1353242A Engine with half toothed shaft to drive |
| 06/11/2002 | US6401683 Multiple shaft engine |
| 06/05/2002 | EP1170462A4 Piston machine comprising a mechanism with no connecting-rod |
| 05/29/2002 | EP0910729B1 Power machine lubrication |
| 05/29/2002 | DE10054523A1 Internal combustion engine has a control path laid out on the outer surface of an adjusting cylinder so that the movement of the piston matches the stroke of the internal combustion engine |
| 05/29/2002 | CN1351691A Reciprocating fluid machines |
| 05/29/2002 | CN1085802C Hypocycloidal crank mechanism for piston engines, engines especially for opposed-cylinder IC engines |
| 05/29/2002 | CN1085782C 内燃机 Internal combustion engine |
| 05/28/2002 | CA2074368C Interconnecting rotary and reciprocating motion |
| 05/22/2002 | EP1207287A1 Reciprocating machine |
| 05/16/2002 | WO2002038925A1 Internal combustion piston engine and oscillator lath |
| 05/16/2002 | US20020056365 Variable rate pump |
| 05/15/2002 | CN1349592A Rotary power unit |
| 05/10/2002 | WO2002036949A1 Homogenous charge compression ignition and barrel engines |
| 05/02/2002 | EP1200720A1 Piston engine balancing |
| 05/02/2002 | EP1200712A1 Reciprocating internal combustion engine with hypocycloid crank mechanism |
| 04/24/2002 | CN1346015A Gear and rack power output structure for internal combustion engine |
| 04/18/2002 | US20020043226 Internal combustion engine featuring axially and opposingly arranged units |
| 04/18/2002 | US20020043225 Reciprocating mechanism and engine including the same |
| 04/17/2002 | EP1197634A1 Rotary cylinder device |
| 04/17/2002 | CN1083054C Tri-lobed cam engine |
| 04/16/2002 | CA2058308C Conical rod piston |
| 04/10/2002 | EP1195503A2 Combustion engine |
| 04/10/2002 | CN1344348A Variable stroke motor and valve |
| 04/04/2002 | WO2002027163A1 Internal combustion engine |
| 04/04/2002 | WO2002027143A1 Motion converter and method for lubricating its sliding surfaces |
| 04/04/2002 | CA2434080A1 Internal combustion engine |
| 03/28/2002 | WO2002025141A1 Movement transforming device |
| 03/28/2002 | WO2002025081A1 Crossbar support for self-slide pistons |