F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
F02P 5/145 (2006.01) B63B 35/73 (2006.01) B63H 21/21 (2006.01) F02B 37/16 (2006.01) F02B 37/18 (2006.01) F02D 37/02 (2006.01) F02D 41/00 (2006.01)
Patent
CA 2410076
A technique that unburned fuel is burned in an exhaust pipe is known as a technique for preventing a turbo lag. Since the technique premises combustion in the exhaust pipe, the temperature in the exhaust pipe becomes high and the damage to the exhaust pipe becomes significant. Further, there is the possibility that the emission may be deteriorated. It is assumed that a throttle in a closed state is opened rapidly at a point P1 in FIG. (a). If the speed then is on the left side of a rapid opening threshold value indicated in the graph, then the opening is regarded as rapid opening. In (c), the ignition timing is changed over from an ordinary ignition timing to a corrected ignition timing at a point P3 at which information that the throttle speed has exceeded the rapid opening threshold value is received. When the throttle valve is opened rapidly, the ignition timing is advanced with respect to the ordinary ignition timing. Consequently, the start of combustion is advanced, and the speed of rotation of the engine can be raised thereby to advance the rise of an exhaust turbine and achieve augmentation of the drivability (driving performance).
Okada Kazunori
Sato Sumio
Tomoda Kazuhiko
Uraki Mamoru
Dennison Associates
Honda Giken Kogyo Kabushiki Kaisha
LandOfFree
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