SLOTLESS BRUSHLESS MOTOR-DRIVEN THROTTLE VALVE DEVICE, ENGINE, AND VEHICLE
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United States of America Patent
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app pub date -
Sep 16, 2015
filing date -
Sep 19, 2014
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Abstract
The present invention provides a compact throttle valve device with good valve responsiveness and small unnecessary vibrations, an engine, and a vehicle. A slotless brushless motor-driven throttle valve device has a throttle body provided with a tubular portion in which an intake air passage is formed, a throttle valve disposed in the tubular portion, and a slotless brushless motor serving as a drive motor for performing opening/closing drive for the throttle valve. The throttle body housing has a hole portion into which a fixing member for fixing the throttle body to a member to be attached is inserted. The hole portion is formed in the vicinity of the outer circumferential portion of the tubular portion. The compact, narrow slotless brushless motor is disposed near the hole portion formed in the throttle body, and the throttle valve device is very compact.
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