Conventional brake pipe continuity test

The method includes reducing pressure of a charged brake pipe to a predetermined pressure value. The brake pipe is then charged only from the head end unit. Each intermediate brake pipe monitoring and charging device sequentially reports on the network a pressure which is an increase if the brake pi...

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Bibliographic Details
Main Authors MARRA JON, LADUC JOHN W, STEVENS DALE R, LEWIS ROGER B, ROOT KEVIN B, LACOMBE PATRICK S
Format Patent
LanguageEnglish
Published 30.09.2003
Edition7
Subjects
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Summary:The method includes reducing pressure of a charged brake pipe to a predetermined pressure value. The brake pipe is then charged only from the head end unit. Each intermediate brake pipe monitoring and charging device sequentially reports on the network a pressure which is an increase if the brake pipe is continuous between it and the head end unit. Subsequent to receipt of a report of an increased pressure on the network from an intermediate unit, the head end unit commands that intermediate unit to participate in charging the brake pipe. The head end unit determines the brake pipe continuity from the pressure increases reported by the intermediate units.
Bibliography:Application Number: US20010823978