Spark timing control apparatus for use with a internal combustio

Details Spark timing control apparatus for use with a internal combustio Spark timing control apparatus for use with a internal combustio

1981-09-29

1984-01-17

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123417, 123422, 123423, 123480, 364734, F02D 3702

Patent

active

044258909

ABSTRACT:
A spark timing control circuit for eliminating abnormal vibrations in a spark ignition, fuel-injected internal combustion engine. The vibrations are created by twisting vibrations of the driving system ocurring when the engine operation is switched from deceleration to acceleration. In such cases, spark timing for the engine is calculated using a smoothed parameter of at least one of the vehicle speed and a fuel injection time duration which itself is calculated as a function of intake air flow rate.

REFERENCES:
patent: 4051818 (1977-10-01), Volckers
patent: 4081995 (1978-04-01), Griffith et al.
patent: 4220125 (1980-09-01), Nishida et al.
patent: 4280189 (1981-07-01), Takato et al.
patent: 4286560 (1981-09-01), Sagisaka et al.
patent: 4290107 (1981-09-01), Suda et al.
patent: 4317182 (1982-02-01), Takase et al.

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