Measuring and testing – Brake testing
Patent
1987-01-27
1988-01-19
Levy, Stewart J.
Measuring and testing
Brake testing
G01L 528
Patent
active
047197960
ABSTRACT:
A method and apparatus for verifying proper operation of a vehicle anti-lock braking system includes pressure measuring devices which are releasably attached to an exterior surface portion of the flexible wheel brake hoses. Each measuring device senses changes in the external diameter of the associated hose, which changes are representative of fluid pressure changes within the hose. The valving in the braking system is tested by applying fluid pressure to the system, operating the associated valves in a predetermined sequence, and monitoring the pressure changes in the associated wheel brake hoses to determine whether the valving is operating properly.
REFERENCES:
patent: 3866980 (1975-02-01), Eisele et al.
patent: 4192180 (1980-03-01), Gerstenmeier et al.
patent: 4389710 (1983-06-01), Rasmussen
patent: 4440015 (1984-04-01), Hann
patent: 4520663 (1985-06-01), Moore et al.
patent: 4653815 (1987-03-01), Agarwal et al.
Kelsey-Hayes Co.
Levy Stewart J.
Raevis Robert R.
Skinkiss Ralph J.
Sobanski Mark J.
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