| Patents for F02B 25 - Engines characterised by using fresh charge for scavenging cylinders (3,434) |
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| 07/08/2004 | US20040130039 Stratified scavenging carburetor |
| 07/06/2004 | US6758170 Multi-cycle trainable piston engine |
| 06/29/2004 | US6755397 Diaphragm-type carburetor |
| 06/16/2004 | CN1505730A Crankcase scavenged internal combustion engine |
| 06/15/2004 | US6748908 Thermal exhaust throttle |
| 06/09/2004 | DE10004103B4 Hubkolbenbrennkraftmaschine Reciprocating internal combustion engine |
| 06/03/2004 | US20040103863 Two-stroke internal combustion engine with internal scavenging |
| 06/02/2004 | EP1424487A2 Stratified scavenging carburetor |
| 05/18/2004 | US6736090 Valve device of engine |
| 05/18/2004 | CA2164204C Exhaust valve timing control responsive to engine idling and shut-down |
| 05/06/2004 | WO2004038195A1 Air scavenging-type two-cycle engine |
| 05/06/2004 | US20040083991 High efficiency engine with variable compression ratio and charge (VCRC engine) |
| 05/04/2004 | US6729276 Two-stroke cycle engine |
| 05/04/2004 | US6729275 Two-stroke internal combustion engine with crankcase scavenging |
| 05/04/2004 | US6729274 Cylinder and method for manufacturing a cylinder for an internal combustion engine |
| 04/29/2004 | US20040079304 Internal combustion engine |
| 04/22/2004 | WO2004033869A2 Two-stroke engine transfer ports |
| 04/20/2004 | US6722341 Fuel injection control system and control method for two-cycle in-cylinder direct injection engine |
| 04/20/2004 | US6722322 Internal combustion engine |
| 04/14/2004 | EP1287233A4 Frre-piston internal combustion engine with valves located in pistons |
| 04/14/2004 | CN1488845A Operation method of two-stroke engine fitted with mixed-gas sunction device |
| 04/13/2004 | US6718917 Two-stroke internal combustion engine |
| 04/08/2004 | US20040065965 Air valve mechanism for two-cycle engine |
| 04/08/2004 | US20040065281 Two-stroke engine transfer ports |
| 04/08/2004 | US20040065280 Two-stroke engine transfer ports |
| 03/31/2004 | CN1485534A Operating mechanism |
| 03/30/2004 | US6712029 Cylinder for an internal combustion engine |
| 03/25/2004 | US20040055546 Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine |
| 03/24/2004 | EP1144833B1 Cylinder for internal combustion engine |
| 03/23/2004 | US6708958 Air valve mechanism for two-cycle engine |
| 03/23/2004 | US6708654 High efficiency engine with variable compression ratio and charge (VCRC engine) |
| 03/18/2004 | WO2004022947A1 Reciprocating piston engine and method for controlling the same |
| 03/18/2004 | WO2004022945A1 Reciprocating piston engine and piston therefor |
| 03/18/2004 | US20040050376 Stratified scavenging mechanism of a two-stroke engine |
| 03/18/2004 | DE10241213A1 Verfahren zum Betrieb eines Zweitaktmotors mit Gemischansaugung Method for operating a two-stroke engine: mixture |
| 03/11/2004 | WO2004020801A1 Fourstroke-engine with nonconstant compression |
| 03/11/2004 | US20040045517 Method for operating a two-stroke engine having mixture induction |
| 03/04/2004 | WO2004018853A1 Improvement in a 4-stroke internal combustion engine |
| 03/04/2004 | US20040040305 One cycle internal combustion engine |
| 03/04/2004 | DE19751392B4 Zweitakt-Verbrennungsmotor für eine tragbare Arbeitsmaschine Two-stroke internal combustion engine for a portable machine |
| 03/04/2004 | DE10238364A1 Betätigungsvorrichtung Actuator |
| 03/02/2004 | US6698405 Reciprocating internal combustion engine with balancing and supercharging |
| 02/26/2004 | US20040035394 Operating mechanism |
| 02/26/2004 | DE20318207U1 Inlet and outlet valve system for internal combustion engine has single poppet valve in center of piston to let mixture into combustion chamber and two poppet valves to release exhaust gases |
| 02/26/2004 | DE10247197A1 Reciprocating piston internal combustion engine has at least one inlet valve installed in cylinder head, and overflow device has passage connected to fresh charge chamber and over which passes piston during movement into BDC position |
| 02/26/2004 | DE10247196A1 Reciprocating piston internal combustion engine has exhaust valve connecting working chamber to exhaust passage in region of piston's BDC position, and piston passes over exhaust port during movement into BDC position |
| 02/19/2004 | DE10235134A1 Two-stroke internal combustion engine with charging system has second outlet channel connected to cylinder to link it to exhaust behind turbine |
| 02/17/2004 | US6691650 Piston valve type layered scavenging 2-cycle engine |
| 02/17/2004 | US6691649 Fuel injection system for a two-stroke engine |
| 02/12/2004 | US20040025817 Two-stroke cycle engine |
| 02/05/2004 | WO2004011786A1 Improvements in or relating to reciprocating piston engines |
| 02/05/2004 | DE10232341A1 Vergaser Carburetor |
| 02/05/2004 | CA2494749A1 Improvements in or relating to reciprocating piston engines |
| 02/04/2004 | EP1387057A2 Two stroke engine without sump-pump |
| 02/04/2004 | CN1472426A Two stroke engine |
| 02/04/2004 | CN1472425A Operation of two stroke reciprocal IC engine |
| 01/29/2004 | US20040016423 Breather device of vehicle engine |
| 01/28/2004 | EP0785347B1 Two-stroke internal combustion engine |
| 01/28/2004 | CN1470750A Reciprocating internal combustion engine working method |
| 01/22/2004 | US20040012102 Carburetor |
| 01/22/2004 | DE10228258A1 Turbo-Mix-Motor Turbo-Mix engine |
| 01/15/2004 | WO2004005692A1 Valve for control of additional air for a two-stroke engine |
| 01/15/2004 | DE10229365A1 Zweitaktmotor und Verfahren zu dessen Betrieb Two-stroke engine and method for operating the |
| 01/14/2004 | EP1380738A1 Method for operating a piston internal combustion engine |
| 01/14/2004 | EP1380737A1 Method for operating a two stroke reciprocating piston internal combustion engine |
| 01/08/2004 | US20040003784 Two-stroke engine and method of operating the same |
| 01/07/2004 | EP1378653A2 Stratified scavenging mechanism of a two-stroke engine |
| 01/07/2004 | EP1378641A2 Low pollution two stroke and four stroke engine with scavenging and supercharging |
| 01/07/2004 | CN2597674Y Two-stroke single air valve vibration diaphragm engine |
| 12/31/2003 | CN1132995C 发动机的阀装置 Engine valve device |
| 12/30/2003 | US6668771 Two-stroke internal combustion engine |
| 12/30/2003 | US6668770 Two-stroke interal combustion engine |
| 12/24/2003 | DE20309004U1 Unit for drive tasks and current generation has high speed two-stroke diesel engine with one or more crank guides and charging pump between each crank drive separating wall bearing and each piston floor |
| 12/18/2003 | US20030230258 Two-stroke engines exhaust and scavenge control |
| 12/16/2003 | US6662767 Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine |
| 12/16/2003 | US6662766 Two-stroke internal combustion engine |
| 12/16/2003 | US6662765 Two-stroke internal combustion engine |
| 12/16/2003 | US6662764 Two stroke engine |
| 12/10/2003 | EP0992660B1 Stratified scavenging two-cycle engine |
| 12/10/2003 | CN1460783A Compacting purified air gas storage chamber and cylinder structure |
| 12/10/2003 | CN1460782A Cylinder structure and modular air purifiered gas storage chamber |
| 12/04/2003 | WO2003100229A1 Two-stroke motor |
| 12/03/2003 | CN1459555A Two-circualtion engine with scavenging action |
| 12/03/2003 | CN1459554A Two-circulation engine |
| 12/03/2003 | CN1459553A Two-circulation engine |
| 11/27/2003 | US20030217711 Two-cycle engine having scavenging |
| 11/27/2003 | US20030217710 Two-cycle engine |
| 11/27/2003 | US20030217709 Two-cycle engine |
| 11/27/2003 | US20030217708 Rigid connecting duct |
| 11/25/2003 | US6651599 Free-piston engines |
| 11/20/2003 | WO2003001039B1 Turbocharge arrangement for a diesel engine |
| 11/20/2003 | US20030213458 Multiple-position, operator-carried, four-stroke engine |
| 11/19/2003 | EP0948709B1 Internal combustion engine |
| 11/18/2003 | US6647713 Stratified scavenging two-cycle engine with catalyst |
| 11/13/2003 | US20030209214 Two-stroke engine and method for operating the same |
| 11/11/2003 | US6644252 Two-stroke engine with storage duct |
| 11/11/2003 | US6644251 Two-stroke engine having a membrane valve integrated into the transfer channel |
| 11/06/2003 | US20030205212 Two stroke engine |
| 11/05/2003 | CN1453463A 二冲程发动机 Two-stroke engines |
| 11/04/2003 | US6640755 Two-cycle internal combustion engine |