| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilated brake disk improved in consideration of an air flow amount for cooling a brake disk and the strength of the brake disk. SOLUTION: The end areas 7 of webs 4a and 4b facing the outer periphery of the brake disk 1 are basically orderly arranged in the radial direction relative to the brake disk. The end areas 6 of the webs facing the inner periphery of the brake disk 1 are brought into contact with the brake disk at the points of the end areas at angles of 20 to 70°, advantageously, at angles of 30 to 60°, and installed on a tangential radial line 9 facing the reverse direction of the rotating direction D of the brake disk 1. COPYRIGHT: (C)2004,JPO&NCIPI
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