Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-12-05
1979-08-14
Geoghegan, Edgar W.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123117A, F02P 504
Patent
active
041642058
ABSTRACT:
Internal combustion engine having an intake port formed in cylinder head and first and second intake passages both connected with the intake port. The intake passages are respectively provided with throttle valves and the throttle valve in the second intake passage is opened only under a heavy load operation. The ignition timing is advanced or an additional supply of fuel is provided in the transient period wherein the throttle valve in the first intake passage has reached substantially fully open position and the throttle valve in the second intake passage has started to open so as to supplement any decrease in the engine output in this period.
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Asanomi Koji
Kobayashi Kazuo
Takemoto Yasunori
Geoghegan Edgar W.
Toyo Kogyo Co. Ltd.
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