| 摘要 |
An actuator for automobiles has a housing in which a communication channel for ventilation is formed, the communication channel allowing the inside and the outside of the housing to communicate with each other. Only one communication channel is formed, and the communication channel has an ascending portion that increases in height toward the inside of the housing. The ascending portion is formed so that a vertically lowermost point of the end (a second opening) of the ascending portion on the inner side of the housing is positioned higher than an uppermost point of the end (a first opening) of the ascending portion on the outer side of the housing. With such a configuration, condensation in the housing is minimized, and the risk of malfunction due to entrance of water is minimized.
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