Ignition timing control device

Details Ignition timing control device Ignition timing control device

1979-01-03

1980-08-12

Myhre, Charles J.

Internal-combustion engines

Spark ignition timing control

Electronic control

123410, F02P 510

Patent

active

042167493

ABSTRACT:
An ignition timing control device having first and second systems for advancing ignition timing by vacuum, wherein the first system operates with an advancer port so as to effect vacuum advancing when the throttle valve is opened beyond the advancer port, while the second system operates to provide vacuum advancing of ignition timing in idling operation when the engine is operated at a normal altitude and to provide an additional basic vacuum advancing of ignition timing in idling as well as in power-producing operation when the engine is operated at a high altitude.

REFERENCES:
patent: 3521609 (1970-07-01), Kashiwagi et al.
patent: 3561411 (1971-02-01), Vasilescu et al.
patent: 3828743 (1974-08-01), Ludwig
patent: 3948232 (1976-04-01), Gould et al.
patent: 4095568 (1978-06-01), Furukawa
patent: 4151818 (1979-05-01), Tateno

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