Measuring and testing – Brake testing – Roller or belt wheel support
Patent
1990-01-16
1991-04-09
Raevis, Robert
Measuring and testing
Brake testing
Roller or belt wheel support
G01L 528
Patent
active
050054058
ABSTRACT:
A method of testing the performance of an anti-lock brake control system of the type wherein an electronic control circuit signals each modulator to increase, decrease, or hold the hydraulic fluid pressure on the corresponding wheel brake as required by the varying wheel speed. The method dictates the sequential delivery of quasi brake control signals from the control circuit to the respective modulators, each signal being capable of causing an increase, a decrease and a holding of the fluid pressure on one brake. The resulting braking forces being exerted on the respective vehicle wheels are measured as by a dynamometer connected to motored rollers under the vehicle wheels.
REFERENCES:
patent: 4041470 (1977-08-01), Slame et al.
patent: 4192180 (1980-03-01), Gerstenmeier et al.
patent: 4719796 (1988-01-01), Zemker
patent: 4780818 (1988-10-01), Kubo
Fuji Jukogyo Kabushiki Kaisha
Raevis Robert
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