Method and apparatus for verifying proper wiring of brake pressu

Details Method and apparatus for verifying proper wiring of brake pressu Method and apparatus for verifying proper wiring of brake pressu

1992-07-30

1994-07-12

Raevis, Robert

Measuring and testing

Brake testing

G01L 528

Patent

active

053277813

ABSTRACT:
A test for an electronically controlled braking system, such as an adaptive braking system, is made to assure that the solenoids of each of the modulators are properly wired. According to the test, each modulator is tested in sequence. The exhaust solenoid of a modulator is actuated for 10 milliseconds, and the hold solenoid is then actuated for 30 milliseconds. If the modulator has been miswired, the exhaust solenoid will have been actuated for 30 milliseconds, thus generating a much louder "popping" sound than that generated by the other modulators will be immediately noticed and corrected.

REFERENCES:
patent: 3796469 (1974-03-01), Birge
patent: 4040676 (1977-08-01), Rajput
patent: 4712841 (1987-12-01), Cage
patent: 4719796 (1988-01-01), Zenker
patent: 4872730 (1989-10-01), Takagi et al.
patent: 4912969 (1990-04-01), Ishizeki
Carley, "Don't Blame Anti-Locks For Other Brake Problems Your Shop May Encounter", Brake and Front End, May 1989, pp. 16-19.

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