Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-06-22
1978-12-12
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123119D, 123124B, 60276, 60285, F02M 700
Patent
active
041291050
ABSTRACT:
A desired function signal is provided by a logical circuit which selects one of a signal corresponding to the speed of a vehicle carrying an internal combustion engine, a signal corresponding to the intake pressure, a signal corresponding to the air-to-fuel ratio of the mixture supplied to the engine, and a signal corresponding to the opening of a throttle valve in accordance with the driving conditions of the vehicle. The amount of additional intake air flowing through an additional intake system provided in the engine is controlled in accordance with the desired function signal, thus providing an air-fuel mixture ratio which suits the driving conditions of the vehicle, the running speed of the vehicle in particular.
REFERENCES:
patent: 3626915 (1971-12-01), Nakajima
patent: 3916170 (1975-10-01), Norimatsu et al.
patent: 4020813 (1977-05-01), Hattori et al.
patent: 4036186 (1977-07-01), Hattori et al.
patent: 4051672 (1977-10-01), Masaki et al.
patent: 4052968 (1977-10-01), Hattori et al.
patent: 4075982 (1978-02-01), Asano et al.
Hobo Nobuhito
Ito Osamu
Kawamoto Itsushi
Konishi Yoshimune
Naitou Takashi
Dolinar Andrew M.
Myhre Charles J.
Nippondenso Co. Ltd.
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