Test connector for accessing compressed air at test ports of a r

Details Test connector for accessing compressed air at test ports of a r Test connector for accessing compressed air at test ports of a r

1995-04-25

1996-09-24

Williams, Hezron E.

Measuring and testing

With fluid pressure

Fluid pressure brake system or unit

73121, B60T 1722

Patent

active

055592813

ABSTRACT:
A test connector for connecting an air brake test device to access ports of an air brake control valve device where such access ports are normally closed by check valves. A plurality of actuator devices corresponding in number to the access ports are provided in the test connector to unseat the check valves and conduct test air to the test device via central passages in the actuators. The actuators are piston operated in response to a pilot pressure received from a source of compressed air remote from the connector.

REFERENCES:
patent: 1143620 (1915-06-01), Farmer
patent: 2032121 (1936-02-01), Farmer
patent: 2103305 (1937-12-01), Thomas
patent: 3596500 (1971-08-01), Rees
patent: 5480218 (1996-01-01), Hart et al.
patent: 5503011 (1996-04-01), Hart et al.

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