F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 65/12 (2006.01)
Patent
CA 2559738
A brake disc (1) for a vehicle which, when the brake disc is located on a hub end of a vehicle axle (11), places the friction portion (3) of the brake disc closer to the center of the axle than a rim of a vehicle wheel (12) mounted on the axle hub, such that the friction portion of the brake disc is outside of the wheel envelope. The friction surface of the brake disc located in this manner may have a greater radius (10) than the inner wheel radius (14), thereby permitting increased braking torque to be generated, and is exposed to the cooling environment outside the wheel rim envelope. Heat transfer from the friction portion to the hub end of the vehicle axle may be inhibited by ring- shaped reduced-thickness sections (15), which may also serve as flexible hinges that permit the brake disc to flex to accommodate asymmetric loading by a brake caliper.
La présente invention concerne un disque de frein (1) d'automobile qui, lorsque le disque est situé sur l'extrémité de moyeu d'une fusée (11), place le champ de friction (3) du disque plus près du centre de la fusée que de la jante (12) montée sur moyeu, de façon que le champ de friction du disque se situe à l'extérieur de l'enveloppe de roue. Le champ de friction du disque situé de cette façon peut avoir un rayon (10) supérieur au diamètre intérieur de la roue (14), ce qui permet d'augmenter le couple de frein à produire. En outre le champ de friction se présente dans l'environnement de refroidissement à l'extérieur de l'enveloppe de roue. Pour bloquer le transfert thermique du champ de friction à l'extrémité moyeu de la fusée, on à recours à des segments annulaires d'épaisseur réduite (15) pouvant servir de charnières souples autorisant la flexion du disque répondant à la charge asymétrique sur l'étrier.
Bendix Commercial Vehicle Systems Llc
Bendix Spicer Foundation Brake Llc
Osler Hoskin & Harcourt Llp
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