Railway switch control system

Details Railway switch control system Railway switch control system

1984-08-10

1987-08-18

Reese, Randolph A.

Railway switches and signals

Switches

Snow protected

1262712B, 219213, 219486, 219499, 219511, E01B 724

Patent

active

046871632

ABSTRACT:
A control switch system for a railway switch heater with an environment probe near the switch and controlling switching on and off of the switch heater in a predetermined mode.

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