Air-intake control system for internal combustion engine

Details Air-intake control system for internal combustion engine Air-intake control system for internal combustion engine

1993-04-26

1995-03-07

Okonsky, David A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123361, 60397, 290 51, F02B 3910

Patent

active

053948483

ABSTRACT:
A turbine, which is an essential portion of an air motor, is disposed midway along an air-intake passage communicating to combustion chambers of an engine. A generator is operably connected to an output shaft of the turbine. The generator has a function to control the rotational motion of the turbine in proportion to the magnitude of the generated electric energy, in addition to the original function of generating the electric energy. The generator is electrically connected to an air-intake control device. In other words, the air-intake control device includes a transistor, and potentiometer which includes a resistor and a sliding element. A positive electrode of generator is connected to an emitter of the transistor. Further, a base of the transistor is connected to an output terminal of the potentiometer, and a collector thereof to a battery. When the operation magnitude of an acceleration pedal is small, the current flowing through the base decreases. Therefore, the generator generates more electric energy. Along this condition, the generator regulates the rotation of the turbine in higher degrees. Consequently, the turbine becomes less rotatable. As a result, as it becomes difficult for the intake air to flow through the turbine, the flow volume of intake air to be introduced into the combustion chambers decreases.

REFERENCES:
patent: 3180079 (1965-04-01), Freeman
patent: 3958419 (1976-05-01), Laing
patent: 4459490 (1984-07-01), Brandon
patent: 4745754 (1988-05-01), Kawamura
patent: 4757686 (1988-07-01), Kawamura et al.
patent: 4827170 (1989-05-01), Kawamura et al.

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