| Patents for F02B 25 - Engines characterised by using fresh charge for scavenging cylinders (3,434) |
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| 04/18/2002 | DE10139700A1 Internal combustion engine for handheld tools has exhaust gas muffler with structure of oxygen rich exhaust gases storage |
| 04/11/2002 | US20020040578 Internal combustion engine as a drive engine in a portable handheld work apparatus |
| 04/09/2002 | US6367432 Two-stroke cycle internal combustion engine |
| 04/09/2002 | US6367431 Two-stroke cycle engine |
| 03/20/2002 | EP1188906A1 Valve device of engine |
| 03/14/2002 | DE10044023A1 Zweitaktmotor mit Luftspülung Two-stroke engine with air purge |
| 03/12/2002 | US6354251 Air-fuel ratio control system for a stratified scavenging two-cycle engine |
| 03/07/2002 | US20020026912 Two-stroke engine |
| 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 | EP1184549A2 Assist gas fuel injection mechanism for 2-cycle internal combustion engine |
| 03/06/2002 | CN1080374C Reciprocating-piston diesel internal combustion engine |
| 03/06/2002 | CN1080371C Sparking two stroke IC engine with pre-compression in crank chamber |
| 03/05/2002 | US6352058 Air scavenging two-stroke cycle engine |
| 02/28/2002 | US20020023600 Internal combustion engines |
| 02/26/2002 | US6349691 Automatic, pressure responsive air intake valve for internal combustion engine |
| 02/21/2002 | US20020020370 Two-stroke internal combustion engine |
| 02/21/2002 | US20020020369 Two-cycle internal combustion engine |
| 02/19/2002 | US6347787 Carburetor with air and throttle valve for two-cycle engine |
| 02/12/2002 | US6345439 Method for manufacturing a cylinder for internal combustion engine |
| 01/31/2002 | US20020012618 Plasmatron-catalyst system |
| 01/31/2002 | US20020011231 Method for lubricating two-cycle internal combustion engine |
| 01/31/2002 | US20020011223 Fuel injection system for a two-stroke engine |
| 01/30/2002 | EP1176296A1 Stratified scavenging two-stroke cycle engine |
| 01/24/2002 | WO2002006647A1 A new two-cycle engine |
| 01/24/2002 | US20020007807 Two-cycle internal combustion engine |
| 01/16/2002 | EP0882178B1 Intake and exhaust device with multiple sections of specific geometry, for internal combustion engines |
| 01/10/2002 | US20020002958 Exhaust control system in two-cycle internal combustion engine |
| 01/09/2002 | EP1169556A1 Two-stroke internal combustion engine |
| 01/03/2002 | WO2001046574A3 Reciprocating internal combustion engine with balancing and supercharging |
| 01/03/2002 | US20020000211 Two-stroke engine |
| 01/03/2002 | US20020000038 Method for manufacturing a cylinder for internal combustion engine |
| 01/03/2002 | DE10030969A1 Zweitaktmotor mit Spülvorlage Two-stroke engine with stratified scavenging |
| 01/02/2002 | EP1167715A2 Two-stroke engine |
| 01/02/2002 | EP0985084A4 Multiple-position, operator-carried, four-stroke engine |
| 12/27/2001 | WO2001098637A1 Internal combustion engine producing reduced emissions in the 360° cycle |
| 12/27/2001 | US20010054398 Two-stroke engine |
| 12/13/2001 | WO2001094764A1 Method of fuel injection into piston recess |
| 12/13/2001 | WO2001094763A1 Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 12/13/2001 | WO2001094752A1 Frre-piston internal combustion engine with valves located in pistons |
| 12/13/2001 | CA2405588A1 Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 12/13/2001 | CA2405587A1 Method of fuel injection into piston recess |
| 12/11/2001 | US6328288 Diaphragm-type carburetor for a two-cycle engine that operates with layered scavenging |
| 12/11/2001 | US6328004 Internal combustion engines |
| 12/06/2001 | US20010047777 Multi-fuel engine |
| 12/05/2001 | EP1159523A1 High speed carburetion system for compressed air assisted injection |
| 12/05/2001 | CN2463547Y Two-stroke engine with inflatable moving combustion chamber |
| 12/05/2001 | CN1075868C Exhaust controller for spark-ignition two stroke IC engine |
| 11/29/2001 | US20010045192 Two-cycle engine |
| 11/21/2001 | CN1323374A Compressed air assisted fuel injection system |
| 11/20/2001 | US6318311 Cylinder-injection type two cycle combustion engine |
| 11/14/2001 | EP1153208A1 Two-stroke internal combustion engine |
| 11/01/2001 | WO2001081739A1 Two-stroke internal combustion engine |
| 10/25/2001 | US20010032602 Die cast metal cylinder assembly for a two-stroke engine |
| 10/25/2001 | US20010032601 Small engine fuel injection system |
| 10/25/2001 | DE10019983A1 Die-cast cylinder for 2-stroke engines for hand-held chain saw etc. has overflow channels and overflow windows into combustion chamber positioned to give different gas flow directions |
| 10/24/2001 | CN1319160A Reciprocating machine with two sub-chambers |
| 10/18/2001 | US20010029912 Two-stroke internal combustion engine with crankcase scavenging |
| 10/17/2001 | EP1144833A1 Cylinder for internal combustion engine |
| 10/16/2001 | US6302086 Fuel injection system for outboard motor |
| 10/11/2001 | WO2001075283A1 A two stroke internal combustion engine |
| 10/11/2001 | US20010027758 Exhaust valve device for two-cycle engine |
| 10/11/2001 | CA2403659A1 A two stroke internal combustion engine |
| 10/10/2001 | EP1141529A1 Two cycle engine with a stratified charge |
| 10/09/2001 | US6298811 Stratified scavenging two-cycle engine |
| 10/04/2001 | US20010025633 Gas-liquid separation device for internal combustion engine used in outboard motor |
| 10/02/2001 | US6295957 Compressed air assisted fuel injection system |
| 09/25/2001 | US6293235 Compressed air assisted fuel injection system with variable effective reflection length |
| 09/25/2001 | US6293234 Two-stroke internal combustion engine having improved fuel porting |
| 09/25/2001 | US6293232 Multi-fuel engine |
| 09/20/2001 | US20010022162 Two-stroke engine having a bypass branching from an air filter housing |
| 09/19/2001 | EP1134380A2 Stratified scavenging two-stroke Internal combustion engine |
| 09/18/2001 | US6289856 Stratified scavenging two-cycle engine |
| 09/13/2001 | US20010020454 Internal combustion engine |
| 09/06/2001 | US20010018901 Two-stroke engine |
| 09/06/2001 | US20010018899 Two-stroke engine |
| 09/06/2001 | US20010018898 Internal combustion engine having a choke flap arranged in an air filter housing |
| 09/06/2001 | DE10009796A1 IC engine with choke flap in air filter housing for chain saws etc. has common choke element in air filter clean room, for intake opening and bypass opening |
| 09/06/2001 | DE10009794A1 Two-stroke engine with air filter housing bypass for chain saws etc. has adjustable throttle element in metal throttle channel of injection-molded plastic throttle housing |
| 09/06/2001 | DE10009793A1 2-stroke engine with adjustable charge for chain saws etc. has overflow channels connected to air feed channels with adjustable throttles for different air flow volume in individual channels |
| 09/06/2001 | DE10009621A1 Zweiaktmotor mit Ladungsschichtung Zweiaktmotor stratified |
| 08/30/2001 | WO2001063106A1 Internal combustion engine with exhaust gas control device |
| 08/29/2001 | CN1070259C Pressure injection fuel mixture two stroke engine |
| 08/28/2001 | US6279521 Two-cycle engine |
| 08/23/2001 | WO2001061166A1 Compressed air assisted fuel injection system with variable effective reflection length |
| 08/23/2001 | CA2400005A1 Compressed air assisted fuel injection system with variable effective reflection length |
| 08/16/2001 | DE10004103A1 Reciprocating piston engine has shaft attached to piston and extending from one side of crankshafts to other, and support element is located on shaft end furthest from piston for symmetrical installation of connecting rods |
| 08/14/2001 | US6273037 Compressed air assisted fuel injection system |
| 08/14/2001 | US6273036 Exhaust control valve assembly for an engine |
| 08/09/2001 | US20010011532 Two-cycle engine |
| 08/09/2001 | US20010011531 Two-stroke cycle engine |
| 08/07/2001 | US6269806 Intake and exhaust device with multiple sections of specific geometry, for internal combustion engines |
| 08/01/2001 | EP1120560A2 Small engine fuel injection system |
| 07/31/2001 | US6267088 Two-stroke engine having an air scavenged transfer channel |
| 07/25/2001 | CN1068926C Exhaust gas controller for spark igniting two-stroke internal-combustion engine |
| 07/24/2001 | US6263860 Intake stratifier apparatus |
| 07/24/2001 | US6263841 Two stroke engine having reduced emissions |
| 07/19/2001 | WO2001051798A1 Two-stroke internal combustion engine |
| 07/19/2001 | WO2001051785A1 Two-stroke internal combustion engine |
| 07/19/2001 | WO2001051784A1 Two-stroke internal combustion engine |
| 07/19/2001 | WO2001051783A1 Two-stroke internal combustion engine |