Throttle valve control device

Details Throttle valve control device Throttle valve control device

1999-05-25

2000-12-26

Shaver, Kevin

Valves and valve actuation

Rotary valves

Butterfly

123337, F16K 122, F02D 908

Patent

active

061646237

ABSTRACT:
In a throttle valve control device 11, which controls a throttle valve 14 to rotate in a normal direction from a fully closed position S to a fully opened position F or in a reverse direction from the fully opened position F to the fully closed position S in order to open or close an air intake passage 20 of an engine, there are provided a return spring 19 for urging the throttle valve 14 in the reverse rotation direction and an adjustment screw 25 for causing the throttle valve 14 to stop in a predetermined position when the valve 14 is rotated by a predetermined angle .theta. in the reverse rotation direction from the fully closed position S to the predetermined position.

REFERENCES:
patent: 4408581 (1983-10-01), Pfalzgraf et al.
patent: 4860706 (1989-08-01), Suzuki et al.
patent: 5029564 (1991-07-01), Neutzer
patent: 5168852 (1992-12-01), Moriguchi et al.
patent: 5188078 (1993-02-01), Tamaki

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