Sequential occupancy release control method and apparatus for tr

Details Sequential occupancy release control method and apparatus for tr Sequential occupancy release control method and apparatus for tr

1975-03-03

1976-09-07

Halvosa, George E. A.

Railway switches and signals

Block-signal systems

Automatic

246187B, 246187C, B61L 2106

Patent

active

039790924

ABSTRACT:
An improved train vehicle speed control system is provided for operation in conjunction with train speed control signals and train occupancy indication signals in relation to a train vehicle track system including a plurality of predetermined track circuit signal blocks through which train vehicles pass. It is desired that a control of train vehicle speed be provided in relation to the detected occupancy by a train vehicle of a particular signal block, for maintaining train vehicle occupancy protection requirements and providing desired sequential occupancy control of the train vehicles through each of successive signal blocks through operation of provided protection signals with selected signal blocks behind the detected train vehicle. Spurious pseudo vehicle occupancy in a given signal block is detected and included in the provided train speed control in relation to that given signal block.

REFERENCES:
patent: 3251990 (1966-05-01), Luhrs
patent: 3886515 (1975-05-01), Cottin
patent: 3887152 (1975-06-01), Eblovi
patent: 3891167 (1975-06-01), Perry

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