FIELD: automotive industry. SUBSTANCE: brake has drum with two conical surfaces which interact with conical surfaces of two sections of the blocks. The conical surfaces of the drum, housings of blocks having Ш-shaped cross-section in the periphery direction, and sections with bases have various conicity. The conicity is lesser from the side of free edge of the drum rim and grater from the side of its pinching. Cylindrical heat pipes are received in outer and inner friction linings and in the body of the sections perpendicular to their friction surfaces. EFFECT: enhanced reliability. 3 dwg
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