Empty and load brake apparatus for unitized railroad trains

Details Empty and load brake apparatus for unitized railroad trains Empty and load brake apparatus for unitized railroad trains

1986-07-31

1989-04-25

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Load control

Railway vehicle

303 222, 116203, B60T 818, G01L 500

Patent

active

048241792

ABSTRACT:
An empty and load air brake control apparatus is disclosed, which is especially adapted for use on a unitized railroad train. Such a train includes a plurality of railroad car body segments articulated together in end-to-end array, and each car body segment can be loaded with coal or other material independently of the other car body segments. A plurality of railroad car trucks are provided to support the car body segments, and are arranged so that a single truck supports two adjacent car body ends. The air brake control apparatus includes a control valve, and a plurality of brake modulator valves are each connected to the control valve by compressed air piping. Each brake actuator is associated with a single truck and a single corresponding modulator valve. The modulator valves each have a sensor for sensing whether an associated truck is supporting loaded car body segments or empty car body segments. The sensor includes a mallet having an elastomeric or resilient member disposed within a well formed in the mallet head.

REFERENCES:
patent: 3612621 (1971-10-01), Scott
patent: 4179165 (1979-12-01), Page et al.
patent: 4230374 (1980-10-01), King
patent: 4423909 (1984-01-01), Page et al.
patent: 4648661 (1987-03-01), Schmitt et al.

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