| 摘要 |
The vehicle brake disk, of a compound fiber material, has two spaced friction disks (2,3) as rings bonded together by ribs (4). The ribs form cooling channels together with axial drillings (10), to take rib-shaped projections (6,7). The projections extend from an outer diameter (Ad) to an intermediate diameter (Zd), and then out in the inner walls (11,12) of the friction disks with the drillings. The inner walls are close to the inner diameter (Id) of the venturi tube (13) which accelerates the movement of cooling air through the cooling channels (5).
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