Throttle valve control device

Details Throttle valve control device Throttle valve control device

1997-03-12

1998-07-14

Miller, Carl S.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123361, F02D 700, F02D 4100

Patent

active

057788537

ABSTRACT:
A pedal side drive mechanism which is rotatable relative to a throttle shaft in both opening and closing directions is provided at one end of the throttle shaft. The throttle shaft opens and closes a throttle valve. A motor side drive mechanism, which is rotatable relative to the throttle shaft in both opening and closing directions, is provided at the other end of the throttle shaft. The pedal side drive mechanism and the motor side drive mechanism are able to be driven independently without interfering with each other, in both of the opening and closing directions of the throttle shaft. Accordingly, driving of the throttle can be performed using either the accelerator pedal or the motor, and functions including fail-safe measures or a limp home mode can be accomplished using a simple structure.

REFERENCES:
patent: 5141070 (1992-08-01), Hickman
patent: 5163402 (1992-11-01), Taguchi
patent: 5168951 (1992-12-01), Sugiura
patent: 5265572 (1993-11-01), Kadomukai
patent: 5297521 (1994-03-01), Sasaki
patent: 5447133 (1995-09-01), Kamio
patent: 5524589 (1996-06-01), Kikkawa

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