Apparatus for controlling the ignition timing of an internal com

Details Apparatus for controlling the ignition timing of an internal com Apparatus for controlling the ignition timing of an internal com

1976-06-14

1978-07-04

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

91183, 92 48, 92 64, F02P 502

Patent

active

040982459

ABSTRACT:
Apparatus for controlling the ignition timing of an internal combustion engine provided with an exhaust gas recirculation system. A vacuum advancer has a diaphragm mechanism to control the vacuum ignition timing in response to negative pressure in the carbureter when a part of the exhaust gas is recirculated from the exhaust manifold to the intake manifold. A vacuum transmitting valve restricts the transmission of negative pressure in the carbureter to the vacuum advancer, whereby vacuum ignition timing advance of the engine during acceleration is delayed.

REFERENCES:
patent: 3013537 (1961-12-01), Schultz
patent: 3515105 (1970-06-01), Soeters
patent: 3521609 (1970-07-01), Kashiwagi et al.
patent: 3638626 (1972-02-01), Marshall
patent: 3800758 (1974-04-01), Sutherland
patent: 3915132 (1975-10-01), Thornburgh

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