| 摘要 |
PURPOSE: A device for preventing the invasion of a brake disk with moisture of a vehicle is provided to prevent the oxidization due to the moisture by avoiding the contacting of the disk with the exterior and blocking the inflow of the moisture from the exterior. CONSTITUTION: A disk(1) is covered with a cover unit(6) shielded with a back plate combined with a hub(2). The hub is also combined with the disk. The cover unit includes many covers(8a-8n) stored in the overlapped state and gradually opened by drive members(10a-10n) and elastic members(9a-9n). A controller decides the operation of the cover unit depending on the signals outputted from a temperature sensor and an optical sensor.
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