Ventilated disc brake

Details Ventilated disc brake Ventilated disc brake

1997-05-06

1999-12-28

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188 717, 188170, F16D 5536

Patent

active

060068698

ABSTRACT:
A ventilated disc brake assembly including an annular housing mounted to the vehicle, The disc has a first radial planar friction surface and a first brake shoe is provided adjacent the first friction surface movable. The first brake shoe is a radial annular plate having at least a planar surface to engage the first planar friction surface. A movable spring abutment is mounted for axial movement within the housing between the intermediate wall and a housing wall such that the intermediate wall is between the movable spring abutment and the first brake shoe. Rigid pusher link members extend between the spring abutment and the first brake shoe. Springs are arranged in an annular array and extend between the housing wall and the spring abutment such that the springs urge against the spring abutment to press the first brake shoe against the first friction surface of the disc. A first annular radially extending fluid bladder is provided between the intermediate wall and the spring abutment whereby the first bladder, when expanded, forces the spring abutment to overcome the spring to release the first brake shoe from the first friction surface of the disc, and the brake assembly being provided with conduit for directing a cooling gas to the ventilated discs in order to dissipate heat therefrom.

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