| 摘要 |
PURPOSE: A disk brake for a vehicle is provided to improve the corrosion-resistance of a brake rotor by spreading an insoluble surfactant on the brake rotor. CONSTITUTION: A disk brake(100) for a vehicle comprises a brake rotor(10), a brake pad(1), a surfactant spraying unit(20) with low temperature. The brake rotor is rotated with a wheel(5). The brake pad is contact with the brake rotor. The surfactant spraying unit prevents the brake rotor from being corroded by spraying an insoluble surfactant on the surface of the brake pad with low temperature. The surfactant spraying unit has a compressor, a surfactant feeder, and a jet gas feeder.
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