Device for admission of secondary air to internal combustion eng

Details Device for admission of secondary air to internal combustion eng Device for admission of secondary air to internal combustion eng

1978-03-27

1980-03-25

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123 97B, 123103R, 123119D, 137480, 261DIG19, F02M 2304

Patent

active

041944771

ABSTRACT:
A system for admitting secondary air to an engine intake manifold at the time of abrupt engine deceleration to avoid air/fuel mixtures which are momentarily too rich. The system is disabled from admitting secondary air when the engine is starting cold, and when its speed is slowly reduced.

REFERENCES:
patent: 2681213 (1954-06-01), Gordon
patent: 2722207 (1955-11-01), Sarto
patent: 4098241 (1978-07-01), Tateno et al.
patent: 4106464 (1978-08-01), Yamashita et al.

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