Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-10-28
1978-05-09
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123102, 123103R, 123119EC, 123127, 123139A, 261 34B, F02M 706, F02M 108, F02D 1906
Patent
active
040881024
ABSTRACT:
An auxiliary acceleration fuel feed device in an internal combustion engine used for a vehicle is disclosed. An auxiliary accelerator pump is provided for feeding an auxiliary acceleration fuel into the fuel supply passage of the engine in response to a decrease in the vacuum in the intake manifold. A vacuum control device in a vacuum conduit connecting the pump and the intake manifold is responsive to the engine temperature and the vehicle speed. The vacuum control device is arranged so as to close the vacuum conduit to prevent the supply of the fuel to the nozzle by the pump when the engine temperature and the vehicle speed is above respective predetermined levels.
REFERENCES:
patent: 2133207 (1938-10-01), Mennesson
patent: 2417734 (1947-03-01), Carlson
patent: 2458990 (1949-01-01), Griffon
patent: 2472692 (1949-06-01), Brown
patent: 3437081 (1969-04-01), Mennesson
patent: 3475994 (1969-11-01), Kell
patent: 3677241 (1972-07-01), Gele
patent: 3911062 (1975-10-01), Johnson
patent: 3987774 (1976-10-01), Wagg
Burns Wendell E.
Toyota Jidosha Kogyo Kabushiki Kaisha
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