| 摘要 |
A method of cooling a brake fluid using a brake operating unit which comprises a first and a second flow channels connected to a cylinder of a brake element at one ends thereof comprises a step of setting the absolute value of a difference between the amount of brake fluid supplied to and that discharged from the cylinders in the first flow channel to apply and release brakes respectively equal to the absolute value of a difference between the amount of the brake fluid supplied to and that discharged from the cylinder in the second flow channel to apply and release the brakes respectively, so as to circulate the brake fluid in the cylinder using both of the first and second flow channels by repetition of applying and releasing the brakes. As a result, it is possible to provide a method of and a device for cooling a brake fluid, wherein vapor-lock can be prevented with certainty, the brake element that is a drum brake or a disc brake is improved in safety and reliability, friction materials such as brake shoes or pads are restrained from rising in temperature and a fade phenomenon is also reduced so that a stable braking operation can be obtained.
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