Electromagnetically released spring applied friction brake with

Details Electromagnetically released spring applied friction brake with Electromagnetically released spring applied friction brake with

1979-03-01

1981-07-21

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

188 722, H02K 710

Patent

active

042800730

ABSTRACT:
A compactly sized spring-applied electromagnetically released radial face friction brake, with a ball-pocket torque booster producing increased torque capacity. The friction brake is released by energization of an electromagnetic coil attracting an axially movable armature, which nullifies the spring operator force to release the brake. A fail safe electric motor brake application of the brake includes a friction surface mounted to the cooling fan rotated by the electric motor armature to aid in dissipating the heat energy developed in braking.

REFERENCES:
patent: 2520204 (1950-08-01), Hancock
patent: 2693254 (1954-11-01), Barish
patent: 2809309 (1957-10-01), Evans
patent: 3068975 (1962-12-01), Thever
patent: 3562565 (1971-02-01), Higashino
patent: 3583529 (1971-06-01), Robinson
patent: 3693763 (1972-09-01), Powilleit
patent: 4096404 (1978-06-01), Sukhanov et al.

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