Internal combustion engine

Details Internal combustion engine Internal combustion engine

1975-12-09

1977-10-04

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123 97B, F02P 504

Patent

active

040518230

ABSTRACT:
An internal combustion engine has a throttle opener arrangement whereby a throttle valve is slightly opened during deceleration of the engine in response to intake manifold vacuum and a distributor with a vacuum spark timing control system. The vacuum spark timing control system is exposed to the intake manifold vacuum during deceleration of the engine to retard the spark timing.

REFERENCES:
patent: 3272191 (1966-09-01), Walker
patent: 3547089 (1970-12-01), Pierlot
patent: 3603298 (1971-09-01), Toda et al.
patent: 3650253 (1972-03-01), Cooksey
patent: 3677238 (1972-07-01), Harada et al.

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