Disc brake located outside wheel envelope

Details Disc brake located outside wheel envelope Disc brake located outside wheel envelope

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 55/02 (2006.01)

Patent

CA 2559737

A disc brake for a vehicle such as a commercial vehicle, wherein the brake rotor (8) extends from a hub (6) end of an axle (2) inboard a sufficient distance to place the friction surface of the rotor and the brake caliper (9) outside the envelope of a wheel (12) mounted at the end of the axle. The placement of the rotor friction surface and the caliper outside the envelope of the wheel enhances brake cooling, makes the brake more readily accessible for inspection and maintenance without significant vehicle disassembly, and permits the rotor outer diameter to be extended beyond the diameter of the wheel rim, thereby lowering brake components stresses and permitting use of lighter, lower cost brake components.

L'invention concerne un frein à disque pour véhicule du type véhicule commercial. Le rotor de frein (8) s'étend depuis l'extrémité moyeu (6) d'un axe (2) à l'intérieur d'une distance suffisante pour placer la surface de frottement du rotor et l'étrier de frein (9) en dehors de l'enveloppe de roue (12) se trouvant à l'extrémité de l'axe. Ce positionnement améliore le refroidissement du frein, rend le frein plus facilement accessible aux fins d'inspection et de maintenance, sans opération de démontage importante sur le véhicule, et permet l'extension du diamètre externe de rotor au-delà du diamètre de la jante de roue, diminuant ainsi les contraintes sur les éléments de frein et permettant l'utilisation d'éléments de frein plus légers et moins onéreux.

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