Additional air control apparatus

Details Additional air control apparatus Additional air control apparatus

1976-10-05

1979-01-30

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123 32EE, 123124R, 123119D, F02M 700, F02M 1304, F02B 7510, F02M 300

Patent

active

041366514

ABSTRACT:
An additional air supply control apparatus for an internal combustion engine including a bypass passage for supplying air additionally to the engine and a control valve provided in the bypass passage for controlling the amount of air-flow through the bypass passage. A gas sensor is mounted in an exhaust system of the engine for detecting changes in the air-fuel ratio and a control unit produces an intermittent control signal in accordance with a detection signal from the gas sensor. The control valve is driven by the control signal intermittently in a skip movement fashion.

REFERENCES:
patent: 3921612 (1975-11-01), Aono
patent: 4036186 (1977-07-01), Hattori et al.
patent: 4065920 (1978-01-01), Minami et al.

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