Measuring and testing – Brake testing – Roller or belt wheel support
Patent
1975-05-05
1976-06-29
Myracle, Jerry W.
Measuring and testing
Brake testing
Roller or belt wheel support
73132, G01L 528
Patent
active
039657329
ABSTRACT:
An apparatus for analyzing the performance of wheeled, land vehicle brake systems is described wherein means are provided for driving the vehicle wheels at a predetermined speed and the operator or computer controlled brake actuator selectively applies the brakes in a series of simple successive steps comprising the test sequence. The pedal force, or other actuating force, the brake effort exerted by each wheel, and the imbalance between the braking effort of opposite wheels is measured and recorded on a strip chart or fed to a computer, to determine if the measured values fall outside of a predetermined range of values representing acceptable deviations from standard values. Any deviation of the brake effort from the acceptable values, or excessive imbalance between opposite wheels at any point in the test sequence, may be used as a basis for diagnosing and identifying a specific brake malfunction. The system can be enlarged to simultaneously test the brakes on all wheels of a land vehicle.
REFERENCES:
patent: 1987706 (1935-01-01), Prentiss
patent: 3465577 (1969-09-01), Donovan
patent: 3602042 (1971-08-01), Mitchell
Clayton Manufacturing Company
Myracle Jerry W.
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