Manually operated control valve and testing apparatus incorporat

Details Manually operated control valve and testing apparatus incorporat Manually operated control valve and testing apparatus incorporat

1976-05-10

1977-09-27

Myracle, Jerry W.

Measuring and testing

Brake testing

137505, G01L 528

Patent

active

040502988

ABSTRACT:
Disclosed herein is a manually operated control valve wherein a pressure regulating valve and exhaust valve are contained in the same housing with intercommunicating passages, both valves having actuating plungers which are operated by a single manual operating means, such as a lever. The invention includes apparatus for testing vehicle pneumatic braking systems wherein the manually operated control valve is used in conjunction with a pressure gauge to test the system by controlling the supply and exhaust of air to and from the vehicle braking system and observing accompanying variations in pressure.

REFERENCES:
patent: 2501483 (1950-03-01), Taylor
patent: 3937074 (1976-02-01), Burkett
patent: 3958454 (1976-05-01), Rasch

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