Brake testing apparatus

Details Brake testing apparatus Brake testing apparatus

1978-07-13

1980-01-29

Myracle, Jerry W.

Measuring and testing

Brake testing

Roller or belt wheel support

G01L 528

Patent

active

041854950

ABSTRACT:
A brake testing apparatus comprises at least one pair of motor-driven rollers on which a wheel having a brake to be tested is mounted. A leaf spring is attached at one end to the motor stator and its free end is held between opposed abutments so that when the wheel is braked, a reverse torque in the stator induces a stress in the leaf spring. Strain gauges are provided on opposite surfaces of the spring to sense the induced stress, the strain gauges being formed as a Wheatstone bridge arrangement connected in an electric circuit which measures the induced stress as a function of the bridge imbalance.

REFERENCES:
patent: 2845795 (1958-08-01), Emmerling
patent: 3995475 (1976-12-01), Cline

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