Interrelated power delivery controls – including engine control – Transmission control – With clutch control
Patent
1996-02-23
1997-11-11
Marmor, Charles A.
Interrelated power delivery controls, including engine control
Transmission control
With clutch control
477 38, 477 39, 477107, 477111, 123481, B60K 4100
Patent
active
056858000
ABSTRACT:
In an engine of an automobile, when fuel injection is restarted by the operation of the accelerator pedal from the state in which fuel supply has been cut off during deceleration, fuel injection is controlled according to one of a plurality of fuel injection patterns, which specify a specific cylinder for fuel injection and a specific cylinder for which fuel is not to be injected, and which correspond with various speed change ratios. The engine output torque is kept smooth by performing fuel injection according to that one of these patterns which corresponds to the speed change ratio when the accelerator pedal is operated. Preferably, the fuel injection patterns are determined starting from whichever cylinder initially comes up for fuel injection. Thereby it is possible to attenuate fore and aft vibration of the vehicle immediately after fuel injection is restarted by operation of the accelerator pedal, especially when a direct connection system is provided which has put the engine and the speed change device into the directly connected state during deceleration.
REFERENCES:
patent: 4061055 (1977-12-01), Iizuka et al.
patent: 4580465 (1986-04-01), Omitsu
patent: 5199399 (1993-04-01), Shibuya
patent: 5597371 (1997-01-01), Toukura
Jensen Nathan O.
Marmor Charles A.
Nissan Motor Co,. Ltd.
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