Throttle valve control apparatus of internal combustion engine and automobile using the same
AssigneesHitachi, Ltd., Hitachi Car Engineering Co., Ltd.
InventorsEisuke Wayama, Toshifumi Usui, Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito
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Abstract
The invention provides a throttle valve control apparatus provided with a throttle sensor which is in trouble at a low possibility and has a long service life, whereby an accurate output of a throttle opening degree can be obtained. The throttle valve control apparatus of an internal combustion engine has a throttle opening degree sensor constituted by a non-contact sensor using hall elements.
Claims11
A throttle valve control apparatus of an internal combustion engine structured such as to transmit a rotation of a motor to a throttle valve shaft via a gear fixed to the throttle valve shaft,
- wherein a rotational angle of said throttle valve shaft is detected by a magnetic type throttle sensor comprising a magnet and a hole element, and said gear is formed by a resin material.
Dependencies are inferred from the claim text.