TRACK CIRCUIT Russian patent published in 2001 - IPC

Abstract RU 2173277 C2

FIELD: railway automatics, signaling and communication. SUBSTANCE: track circuit has different frequency generators, supply source, capacitors, control and track relays, pendulum transmitter, rectifiers, diode, band-pass filters. Outputs of generators are connected to supply end of track circuit. Inputs of filters are connected to relay end of track circuit, and outputs, to rectifier inputs. Negative terminals of rectifiers and some plates of first and second capacitors are united. Positive terminals of rectifiers are connected to front contacts of control relay. Plates of first and second capacitors are coupled with winding of track relay through corresponding change-over and resting contacts. Winding of control relay is supplied through switching contact of pendulum transmitter. EFFECT: increased reliability at reduced insulation resistance. 4 dwg

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RU 2 173 277 C2

Authors

Tarasov E.M.

Belonogov A.S.

Kurov M.B.

Dates

2001-09-10Published

1999-05-31Filed