Vehicle brake test apparatus

Details Vehicle brake test apparatus Vehicle brake test apparatus

1983-12-19

1985-06-04

Myracle, Jerry W.

Measuring and testing

Brake testing

Vehicle installation

G01L 528

Patent

active

045206635

ABSTRACT:
For road testing vehicle brakes the vehicle is equipped with transducers for measuring wheel speeds and temperatures, vehicle deceleration, brake line pressures, etc. A control circuit processes the transducer signals and supplies output signals proportional to the measured parameters as well as peak values generated during a brake test and hold values stored upon manual command. These various parameter values are displayed through a switching circuit on four numeric displays in view of the operator and a special bar graph display selectively displays parameters of prime interest to the operator such as front brake pressure or vehicle deceleration to produce a single blinking light when a selected target value is obtained and illuminates successive LED's in a lineal array each representing an increment of deviation from the target value so that the error appears in bar graph form for easy assimilation by the operator during the road test.

REFERENCES:
patent: 3998093 (1976-12-01), Bertolasi
patent: 4085979 (1978-04-01), Leiber et al.
patent: 4295136 (1981-10-01), Stoutenburg

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