Internal combustion engine throttle control

Details Internal combustion engine throttle control Internal combustion engine throttle control

1989-12-04

1990-10-30

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

180197, F02D 700

Patent

active

049661140

ABSTRACT:
The extent to which a throttle can be opened is determined in accordance with a "lowest wins" philosophy. This is achieved by a transmission mechanism disposed between the accelerator pedal and the throttle valve and comprising an interlock collar fast with a rotatable shaft for operating the valve, a spring normally urging the shaft in a direction to open the valve, and first and second input collars rotatably mounted on the shaft and coupled respectively to the pedal and to a motor device operable in response to signals from electronic means in accordance with at least one appropriate parameter. The input collars are arranged to co-operate unit the interlock collar in a manner such that the angular position of the interlock collar is determined by the position of that one input collar what has moved by the smaller distance from a given retracted position.

REFERENCES:
patent: 4848505 (1989-06-01), Yoshizawa et al.
patent: 4867122 (1989-09-01), Kono et al.
patent: 4873957 (1989-10-01), Veyama et al.
patent: 4892071 (1990-01-01), Asayama
patent: 4898039 (1990-02-01), Aiyawa et al.

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