F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 41/30 (2006.01) F02D 41/04 (2006.01)
Patent
CA 2644067
To provide a fuel injection control device which can execute the correction of a fuel injection amount continuously in response to a change of throttle opening. A fuel injection control device includes a basic-injection-use map for deriving a basic injection amount corresponding to the throttle opening and an additional-injection-use map for deriving an additional injection amount corresponding to the throttle opening. In one engine cycle, a basic injection amount calculation stage for calculating the basic injection amount (C: first calculation stage, FICAL) and an additional injection amount calculation stage (D: a second calculation stage, TIASTG) which is provided after the basic injection amount calculation stage are set. Assume a value obtained by applying the throttle opening measured in the FICAL to the additional- injection-use map as an injection amount a and a value obtained by applying the throttle opening measured in the TIASTG to the additional-injection-use map as an injection amount P. When the relationship .alpha. < .beta. is established, an additional injection is performed based on .beta.-.alpha.. When the relationship .alpha. > .beta. is established, the basic injection amount is corrected.
Machida Kenichi
Omuro Yoshiya
Dennison Associates
Honda Motor Co. Ltd.
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