Device for controlling the stopping of a train

Details Device for controlling the stopping of a train Device for controlling the stopping of a train

1979-07-30

1981-12-01

Miller, J. D.

Railway switches and signals

Cab signal or train control

Speed-control systems

246187B, 246187C, B61L 324

Patent

active

043032150

ABSTRACT:
Installation for controlling trains defining allocated cross-overs with conductor loops, in accordance with a normal program P1n and an interference program P2n. Installation characterised in that the ground equipment of each block comprises a frequency generator GF producing a normal mode frequency F1, an interference mode frequency F2 and a frequency F3 to be modulated, supplying a mode selector SM, so as to provide a frequency signal FSn as a function of an occupation signal OCC (n+1) received by the mode selector SM and correspondin g to the occupation of the following block Cn+1, as well as a frequency signal PPn enabling the interference program P2n to be read, and the equipment fitted on board each train comprises a logical emergency-braking circuit CLF.

REFERENCES:
patent: 3029893 (1962-04-01), Mountjoy
patent: 3353019 (1967-11-01), Allen
patent: 3363096 (1968-01-01), Hughson et al.
patent: 3524055 (1970-08-01), Smith
patent: 3828225 (1974-08-01), Grundy
patent: 3974992 (1976-08-01), Matty
patent: 3991958 (1976-11-01), Sibley et al.
patent: 4026506 (1977-05-01), Bourke et al.
patent: 4046342 (1977-09-01), Buzzard

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