Valve body, electronic control throttle body, motor-driven throttle body, and valve device
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United States of America Patent
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Sep 8, 2020
Grant Date -
Apr 11, 2019
app pub date -
Mar 24, 2017
filing date -
Apr 12, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An object is to provide a type of device capable of properly cooling a bearing of a throttle body even under a condition that the throttle body receives heat of high-temperature intake air or exhaust gas. In the present invention, an engine coolant passage that guides a coolant of an engine is provided integrally with a member fixing a bearing to be adjacent to a circumferential wall of the bearing of the member fixing the bearing, which supports a throttle shaft, and heat transferred from the bearing (or likely to be transferred to the bearing) via the member fixing the bearing is carried away to the outside of a throttle body by the engine coolant.
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