Throttle control devices

Details Throttle control devices Throttle control devices

2007-05-01

2007-05-01

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S337000, C324S207210, C324S207250

Reexamination Certificate

active

10839798

ABSTRACT:
A throttle control device includes a motor coupled to the throttle shaft, so that the throttle valve rotates to open and close an intake air channel as the motor is driven. A detection device serves to detect the degree of opening of the throttle valve and includes a pair of magnets and a sensor. The magnets are mounted to the throttle shaft via a magnet support and are positioned to oppose each other across the rotational axis of the throttle shaft in order to produce a uniform magnetic field. The sensor is mounted to the throttle body and serves to detect a direction of the magnetic field produced by the magnets, so that the detection device outputs a signal representing the degree of opening of the throttle valve.

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