PROBLEM TO BE SOLVED: To provide a breather structure which contributes to downsizing of a vehicle motor driving device.SOLUTION: A breather structure of the invention includes a casing (25), which forms an outer shell of a vehicle motor driving device, and an outlet hole (43), which allows communication between a space (44) defined by the casing and an external space of the casing, in the vehicle motor driving device (10) including a motor for driving wheels. A flexible structure comprising a fiber material, a soft foam material, and a soft resin material is provided on an inner wall surface of the outlet hole.SELECTED DRAWING: Figure 3
【課題】車両用モータ駆動装置の小型化に資するブリーザ構造を提供する。【解決手段】本発明のブリーザ構造は、車輪を駆動するモータを含む車両用モータ駆動装置(10)において、車両用モータ駆動装置の外郭をなすケーシング(25)と、このケーシングにより区画形成される空間(44)とケーシングの外方空間と連通する出口孔(43)とを備え、出口孔の内壁面に、繊維材、軟質発泡材、軟質樹脂材からなる柔軟性構造体を設けたことを特徴とする。【選択図】図3
BREATHER STRUCTURE OF VEHICLE MOTOR DRIVING DEVICE AND IN-WHEEL MOTOR DRIVING DEVICE INCLUDING THE SAME
車両用モータ駆動装置のブリーザ構造、およびこれを具備するインホイールモータ駆動装置
2018-09-20
Patent
Electronic Resource
Japanese
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