| 摘要 |
PURPOSE: An electronic control type throttle valve device is provided to improve the performance of an engine by uniformly controlling the amount of air supplied to the engine. CONSTITUTION: An electronic control type throttle valve device comprises a power transmission unit(25), a return spring(26), a guide(27), and a complementary unit. The power transmission unit is installed in a mounting space of a throttle body(21) and delivers the power of a motor to a throttle shaft(22). The return spring is installed in the mounting space as surrounding the throttle shaft. The guide is coupled with the return spring and fixed in the mounting space. The complementary unit rotates while complementing the rotational power delivered from the power transmission unit so that the throttle shaft is opened and closed at uniform speed.
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