Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-10-21
1978-09-12
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
1231465A, F02P 512
Patent
active
041128915
ABSTRACT:
The ignition spark initiating mechanism of the ignition distributor is operated by a vacuum responsive device for adjusting ignition spark timing in response to engine vacuum. A temperature responsive valve located in a position at which it is exposed to engine intake air and a bleed line including a calibrated restriction are arranged in combination to expose the engine vacuum signal applied to the intake port of the vacuum actuator unit to atmosphere through the inlet and outlet ports of the temperature responsive valve. This combination operates to adjust the level of the engine vacuum applied to the vacuum responsive device proportionally with changes of engine intake air temperature in a direction toward atmosphere as the temperature of the engine intake air increases and vice versa.
REFERENCES:
patent: 3494338 (1968-04-01), Reise
patent: 3712279 (1973-01-01), Vartanian
patent: 3730154 (1973-05-01), Vartanian
patent: 3828743 (1974-08-01), Ludwig
patent: 3998192 (1976-12-01), Ota
patent: 4031869 (1977-06-01), Onishi et al.
patent: 4034726 (1977-07-01), Falge
General Motors Corporation
Lall P. S.
Myhre Charles J.
Stahr Richard G.
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