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

1976-09-22

1978-04-11

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

60285, F02P 510

Patent

active

040833356

ABSTRACT:
An apparatus for controlling the vacuum ignition timing of an internal combustion engine provided with an exhaust gas recirculation system is disclosed. The apparatus comprises a vacuum advancer having at least one diaphragm therein which forms a chamber on a side of the diaphragm. The chamber is connected to a port in the carburetor for controlling the vacuum ignition timing of the engine by the carburetor vacuum during the exhaust gas recirculation operation. The apparatus further comprises means for preventing the ignition timing from being too advanced when the engine is operating at a high rotational speed. As a result, the required ignition timing during such operation is obtained.

REFERENCES:
patent: 3905342 (1975-09-01), Kobayashi et al.
patent: 3935843 (1976-02-01), Ludwig
patent: 3955364 (1976-05-01), Lewis
patent: 3978831 (1976-09-01), Yoshikawa
patent: 3994269 (1976-11-01), Takaoka et al.
patent: 4008697 (1977-02-01), Konno

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