Intake control system of engine

Details Intake control system of engine Intake control system of engine

1982-03-10

1986-12-09

Lazarus, Ira S.

Internal-combustion engines

Combustion chamber means having fuel injection only

Air entering combustion chamber through plural inlets

123308, 123442, 123586, 123432, F02M 3510

Patent

active

046273964

ABSTRACT:
An embodiment of an induction system for internal combustion engines that permits maximum power output while at the same time insuring good running at low speeds without loss in mid-range torque. Independent intake passages communicate with each chamber of the engine. A throttle valve arrangement is included that includes a first manually operated throttle valve positioned in a common portion of the intake passages, a second manually operated throttle valve that is positioned in the first intake passage between the first throttle valve and the chamber, and a third throttle valve positioned in the second intake passage between the first throttle valve and the chamber. A linkage system interconnects the first and second throttle valves so that the second throttle valve is opened at a predetermined degree of opening of the first throttle valve. The linkage causes the first and second throttle valves to reach their fully opened position simultaneously. The third throttle valve is automatically positioned in response to intake system vacuum.

REFERENCES:
patent: 2028585 (1932-01-01), Blake et al.
patent: 3721428 (1973-03-01), Gele et al.
patent: 4232640 (1980-11-01), Matsumoto et al.
patent: 4243001 (1981-01-01), Yamada
patent: 4300504 (1981-11-01), Tezuka
patent: 4317438 (1982-03-01), Yagi et al.

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