Railroad train braking system with a continuously venting couple

Details Railroad train braking system with a continuously venting couple Railroad train braking system with a continuously venting couple

1992-01-21

1993-05-18

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Miscellaneous operations on control pipe

303 47, 246167R, 246169R, 285 93, 137559, B60T 1126

Patent

active

052116980

ABSTRACT:
An improved railroad train braking system causes automatic braking of cars which have been isolated from the braking control of the engineer. A safety apparatus (18), having structure permitting discharge of pressurized air from the system at a predetermined rate, is coupled at the rearmost end of a train brake pipe (26). Pressurized air from the braking system of cars located rearwardly of a closed aircock is permitted to discharge from the system through the safety apparatus. Air distribution control valves (40) in the affected cars (14, 16) sense the reduction in pressure, and active the brakes (42).

REFERENCES:
patent: 1458765 (1923-06-01), Kelly
patent: 1998283 (1935-04-01), Mackert
patent: 2855247 (1958-10-01), Thompson
patent: 4487060 (1984-12-01), Pomeroy
patent: 4592217 (1986-06-01), Fernandez et al.
patent: 4763875 (1988-09-01), Chew
patent: 4878513 (1989-11-01), Ashby et al.

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