| 摘要 |
PROBLEM TO BE SOLVED: To provide a friction device which can sufficiently reduce a distance between two friction materials. SOLUTION: The friction device 1 includes a brake disc 2, and a brake pad 3 contacting the brake disc 2. Also, the friction device 1 includes a suction unit 4 for sucking gas existing between the brake disc 2 and the brake pad 3. The suction unit 4 is formed on the brake pad 3, and includes an intake path 5 opened on a face of the brake pad 3 contacting the brake disc 2, a suction pipe 6 connected to the intake path 5, and a negative pressure chamber 7 connected with the suction pipe 6. An opening/closing valve 8 is connected to the suction pipe 6. Furthermore, the friction device 1 includes an ECU 9 to control the valve 8 to be opened when the brake pedal is turned on, and to control the valve 8 to be closed when the brake pedal is turned off. COPYRIGHT: (C)2011,JPO&INPIT
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