| Patents for F01B 31 - Component parts, details, or accessories not provided for in, or of interest apart from, other groups (1,016) |
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| 08/12/2004 | US20040154561 Engine having a variable compression ratio |
| 08/12/2004 | US20040154468 Porous restrictor for gas bearing |
| 08/11/2004 | CN1161539C Reciprocating fluid machines |
| 08/10/2004 | US6772717 Reciprocating piston internal combustion engine |
| 08/05/2004 | DE10000613B4 Vorrichtung für die Zwangsstabilisierung des Kolbens A device for the forced stabilization of the piston |
| 07/29/2004 | US20040144342 Method of and device for operating a multi-cylinder combustion engine with variable compression ratio |
| 07/22/2004 | DE202004004331U1 Drive machine has transfer plate coupled to fixed cylinder head via universal joint, plate holder that converts wobbling movement of transfer plate into rotation of drive shaft |
| 07/21/2004 | EP1438493A1 Closed gallery monobloc piston having oil drainage groove |
| 07/13/2004 | US6761104 Linear path slide |
| 07/08/2004 | DE10258872A1 Variable compression ratio operation of an internal combustion engine for a motor vehicle, uses inputs from camshaft and crankshaft angle |
| 07/01/2004 | US20040123745 Pressurization device |
| 06/02/2004 | EP1423611A1 Fully-controlled, free-piston engine |
| 05/21/2004 | WO2004042844A2 Mobile power plant |
| 05/19/2004 | EP1307642B1 Internal combustion piston engine comprising various compression influences |
| 05/04/2004 | US6729273 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 04/14/2004 | EP1407125A1 Variable cylinder capacity engine |
| 04/01/2004 | US20040060294 Steam engine |
| 03/31/2004 | CN1485526A 蒸汽机 Steamer |
| 03/25/2004 | WO2004025083A1 Generator motor device |
| 03/11/2004 | DE10339003A1 Steam engine to convert heat energy into mechanical energy with liquid component of fluid acting as fluid piston to accommodate expansion pressure of steam, to reduce corrosion and wear |
| 03/03/2004 | EP1015744A4 Variable compression piston assembly |
| 02/19/2004 | WO2003008783A8 Variable cylinder capacity engine |
| 01/21/2004 | CN1135293C Fluid valve system |
| 12/18/2003 | US20030230257 Engine |
| 12/04/2003 | WO2003036071A9 Porous restrictor for gas bearing |
| 11/25/2003 | US6652247 Fully-controlled, free-piston engine |
| 11/12/2003 | CN1127620C Reciprocating compressor |
| 10/30/2003 | WO2003089764A1 Variable flow reducing valve and gradual control valve distribution system for a compressed air injection engine operating on mono or multi energy and other engines or compressors |
| 10/30/2003 | US20030200942 Reciprocating piston internal combustion engine |
| 10/30/2003 | CA2486227A1 Variable flow reducing valve and gradual control valve distribution system for a compressed air injection engine operating on mono or multi energy and other engines or compressors |
| 10/28/2003 | US6637315 Welded hydraulic cylinder for work vehicles |
| 10/09/2003 | WO2003036071A3 Porous restrictor for gas bearing |
| 10/02/2003 | US20030183187 Internal combustion engine for a manually guided implement |
| 10/01/2003 | CN1445445A 发动机 Engine |
| 09/24/2003 | EP1347159A2 Engine |
| 09/09/2003 | US6615773 Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type |
| 08/27/2003 | EP1171689A4 Reciprocating fluid machines |
| 08/13/2003 | EP0938627B1 Internal combustion engine |
| 08/05/2003 | US6601551 Mechanical transmission device for engine with variable volume displacement |
| 07/24/2003 | WO2003023225B1 Fully-controlled, free-piston engine |
| 07/23/2003 | EP1328166A1 Pressurization device |
| 07/03/2003 | US20030124003 Fully-controlled, free-piston engine |
| 06/26/2003 | US20030116012 Welded hydraulic cylinder for work vehicles |
| 06/24/2003 | US6582204 Fully-controlled, free-piston engine |
| 06/12/2003 | US20030106542 Engine control system of internal combustion engine with variable compression ratio mechanism and exhaust-gas recirculation control system |
| 06/11/2003 | EP1318286A2 Engine control system of internal combustion engine with variable compression ratio mechanism and exhaust-gas recirculation control system |
| 05/07/2003 | EP1307642A1 Internal combustion piston engine comprising various compression influences |
| 05/01/2003 | WO2003036071A2 Porous restrictor for gas bearing |
| 03/25/2003 | US6536378 Apparatus for evacuating condensation from furnace pipe systems |
| 03/20/2003 | WO2003023225A1 Fully-controlled, free-piston engine |
| 03/06/2003 | US20030044293 Fully-controlled, free-piston engine |
| 01/30/2003 | WO2003008783A1 Variable cylinder capacity engine |
| 01/14/2003 | US6505582 Variable compression ratio mechanism of reciprocating internal combustion engine |
| 01/08/2003 | CN1098422C Air-tight compressor with suction-in silencer |
| 11/19/2002 | US6481208 External steam dump |
| 10/22/2002 | US6467393 Zeroing device for a hydrostatic piston/cylinder unit |
| 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 | EP1021642A4 Volumetric-displacement device having molded pistons and cylinders |
| 09/24/2002 | US6453854 Method and device for monitoring a variable cylinder compression ratio |
| 09/19/2002 | WO2002012694A9 Internal combustion piston engine comprising various compression influences |
| 09/04/2002 | EP1236877A2 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 08/29/2002 | US20020117129 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 08/22/2002 | US20020115036 Apparatus for evacuating condensation from furnace pipe systems |
| 07/10/2002 | CN1358257A Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination |
| 05/29/2002 | CN1351691A Reciprocating fluid machines |
| 05/02/2002 | WO2002034074A1 Pressurization device |
| 05/02/2002 | EP1201139A1 Pressurization Device |
| 05/02/2002 | CA2424859A1 Pressurization device |
| 04/10/2002 | CN1344348A Variable stroke motor and valve |
| 04/04/2002 | US20020038601 Linear path slide |
| 02/20/2002 | CN1336982A Variable compression pistol assembly |
| 02/14/2002 | WO2002012694A1 Internal combustion piston engine comprising various compression influences |
| 02/13/2002 | EP1179140A1 A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 01/23/2002 | EP1173677A1 A device comprising a combination of a chamber and a piston |
| 01/16/2002 | EP1171689A1 Reciprocating fluid machines |
| 01/10/2002 | US20020002957 Variable compression ratio mechanism of reciprocating internal combustion engine |
| 01/09/2002 | EP1170482A2 Variable compression ratio mechanism of reciprocating internal combustion engine |
| 01/09/2002 | EP1169549A1 Mechanical transmission device for engine with variable volume displacement |
| 11/28/2001 | EP1157191A1 Variable stroke motor and valve |
| 11/13/2001 | US6314862 Combination cylinder and pistons |
| 07/19/2001 | DE10000613A1 Forced stabilization device for piston, with carrier with surfaces for fixing it by screws |
| 07/12/2001 | DE10000109A1 Nullstellungseinrichtung für eine hydrostatische Kolben-Zylinder-Einheit Zero setting device for a hydrostatic piston-cylinder unit |
| 07/05/2001 | US20010006020 Zeroing device for a hydrostatic piston/cylinder unit |
| 05/31/2001 | DE19955250A1 Compression monitoring method for motor vehicle internal combustion engine involves multiple sensing of engine parameters to determine operation of compression control |
| 02/22/2001 | WO2000052305A8 Variable stroke motor and valve |
| 11/23/2000 | WO2000070227A1 A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 11/21/2000 | US6148716 Low noise high efficiency positive displacement pump |
| 11/08/2000 | EP1050685A2 Hydraulic linear slider |
| 11/02/2000 | WO2000065235A1 A device comprising a combination of a chamber and a piston |
| 10/12/2000 | WO2000060216A1 Reciprocating fluid machines |
| 09/08/2000 | WO2000052305A1 Variable stroke motor and valve |
| 09/08/2000 | CA2365827A1 Variable stroke motor and valve |
| 08/01/2000 | US6095110 Internal combustion engine |
| 07/26/2000 | EP1021642A1 Volumetric-displacement device having molded pistons and cylinders |
| 07/05/2000 | EP1015744A1 Variable compression piston assembly |
| 06/22/2000 | WO2000036276A1 Low noise high efficiency positive displacement pump |
| 06/13/2000 | US6073538 Reciprocating compressor |
| 06/02/2000 | WO2000031377A1 Mechanical transmission device for engine with variable volume displacement |
| 12/08/1999 | CN1238026A Internal combustion engine |