Measuring and testing – Brake testing
Patent
1978-06-28
1980-03-11
Ciarlante, Anthony V.
Measuring and testing
Brake testing
303 92, G01L 528
Patent
active
041921801
ABSTRACT:
A testing apparatus for an anti-lock control system for vehicle brakes for testing the correct functioning of the control system. In one embodiment, the apparatus establishes a predetermined speed and compares this predetermined speed to the speed sensed by the sensing portion of the control system. When the predetermined speed is exceeded by the moving vehicle a testing apparatus is triggered which initiates a test procedure for the control system. The apparatus includes a switching device to insure that a test procedure is initiated only after the vehicle ignition switch is actuated. In another embodiment, the apparatus employs a temperature sensor and/or the control system output for initiating a test procedure, but not during a deceleration of the vehicle. In a further variant, two threshold levels are established, each of which must be encountered before the test procedure is initiated.
REFERENCES:
patent: 3806202 (1974-04-01), Ochiai
patent: 3852613 (1974-12-01), Wienecke
patent: 3907380 (1975-09-01), Fleischer et al.
Gerstenmeier Jurgen
Klotz Hermann
Leiber Heinz
Ciarlante Anthony V.
Greigg Edwin E.
Robert & Bosch GmbH
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