Brake-disc, in particular for a vehicle

Details Brake-disc, in particular for a vehicle Brake-disc, in particular for a vehicle

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 65/12 (2006.01)

Patent

CA 2598843

The invention relates to a brake disc, in particular for a vehicle, comprising at least one annular friction surface (1), which is provided on one and preferably both outer faces of said disc and to which a brake pad can be applied for braking purposes. According to the invention, the friction surface (1) consists of a large number of sub-segments (2, 3, 4, 6), at least some of which are physically separated from one another by expansion joints (5). Said brake disc is configured in such a way that the depth of the expansion joints (5) is greater than the permissible rate of wear (8) of the friction surface (1).

L'invention concerne un disque de frein notamment destiné à un véhicule, comportant au moins une surface de friction annulaire (1) prévue sur un côté extérieur, de préférence sur les deux, contre laquelle une garniture de frein peut être comprimée pour le freinage. La surface de friction (1) est composée d'une pluralité de segments partiels (2, 3, 4, 6) au moins partiellement séparés matériellement par des joints de dilatation (5). Le disque de frein selon l'invention est conçu de telle manière que la profondeur des joints de dilatation (5) est supérieure à la cote d'usure admissible (8) de la surface de friction (1).

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