Internal combustion engine

Details Internal combustion engine Internal combustion engine

1975-12-09

1978-01-17

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02P 504

Patent

active

040686329

ABSTRACT:
An internal combustion engine has a vacuum spark timing control system to advance and retard the spark in which the spark is kept retarded until a predetermined time passes after the engine speed exceeds a predetermined reference engine speed that demarcates the high engine speed range from the low engine speed range operations. During the low engine speed range operation the spark is retarded, while during the high engine speed range operation, the spark is advanced.

REFERENCES:
patent: 2087339 (1937-07-01), Arthur
patent: 3272191 (1966-09-01), Walker
patent: 3367313 (1968-02-01), Bom et al.
patent: 3603298 (1971-09-01), Toda et al.
patent: 3687120 (1972-08-01), Lenz
patent: 3809038 (1974-05-01), Young
patent: 3824972 (1974-07-01), Sattler
patent: 3871341 (1975-03-01), Kalogerson et al.
patent: 3938329 (1975-02-01), Van Basshuysen
patent: 3978831 (1976-09-01), Yoshikawa

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