Internal-combustion engines – Engine speed regulator – Open loop condition responsive
Reexamination Certificate
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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Ikeda Tsutomu
Nakashima Kazumasa
Yoshikawa Koji
Aisan Kogyo Kabushiki Kaisha
Cronin Stephen K.
Dennison, Schultz & MacDonald
Hoang Johnny H.
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