Brake assembly

Brakes – Wheel – Axially movable brake element or housing therefor

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Details

188 726, 188170, 188106F, F16D 6512, F16D 6524

Patent

active

053300343

ABSTRACT:
An improved truck disc brake using a spring loaded safety brake and a pneumatic bladder for releasing the safety brake as well as a service brake enhancing bladder and at least a pair of rotor brake discs. The brake discs are ventilated and include ventilation channels extending radially thereof and vent air is deflected into the brake assembly by means of a scoop on the exterior of the housing passing through openings in the housing and the rotor brake discs act as an impeller moving the ventilation air rearwardly thereof to dissipate the heat. A wear gauge is provided to determine the wear of the brake linings and a quick release valve is mounted in the brake assembly adjacent the pneumatic bladder related to the service brake, to quickly release the air when required. Temperature sensors are provided within the brake assembly to read the temperature of the brake assembly. A radial groove extends on the friction surface of the radial disc to provide an air cushion between the brake linings and the friction surface of the disc and to discharge debris.

REFERENCES:
patent: 3244260 (1966-04-01), Frayer
patent: 3547234 (1970-12-01), Cummins
patent: 3613839 (1971-10-01), MacDuff
patent: 3770085 (1973-11-01), Cottingham
patent: 3893549 (1975-07-01), Bennett
patent: 3946837 (1976-03-01), Houser
patent: 3974896 (1976-08-01), Rach
patent: 4102438 (1978-07-01), Rancourt
patent: 5205380 (1993-04-01), Paquet et al.

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