IT1067745B - Circuito di comando per binario ferroviario a blocchi,atto a rilevare in tutta sicurezza la presenza o la assenza di una vettura ferroviaria in uno dei blocchi del binario - Google Patents

Circuito di comando per binario ferroviario a blocchi,atto a rilevare in tutta sicurezza la presenza o la assenza di una vettura ferroviaria in uno dei blocchi del binario

Info

Publication number
IT1067745B
IT1067745B IT12550/76A IT1255076A IT1067745B IT 1067745 B IT1067745 B IT 1067745B IT 12550/76 A IT12550/76 A IT 12550/76A IT 1255076 A IT1255076 A IT 1255076A IT 1067745 B IT1067745 B IT 1067745B
Authority
IT
Italy
Prior art keywords
track
railway
blocked
absence
detect
Prior art date
Application number
IT12550/76A
Other languages
English (en)
Original Assignee
Gen Signal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Signal Corp filed Critical Gen Signal Corp
Application granted granted Critical
Publication of IT1067745B publication Critical patent/IT1067745B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
IT12550/76A 1975-03-27 1976-03-26 Circuito di comando per binario ferroviario a blocchi,atto a rilevare in tutta sicurezza la presenza o la assenza di una vettura ferroviaria in uno dei blocchi del binario IT1067745B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/562,725 US3970271A (en) 1975-03-27 1975-03-27 Dual frequency track circuit

Publications (1)

Publication Number Publication Date
IT1067745B true IT1067745B (it) 1985-03-16

Family

ID=24247512

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12550/76A IT1067745B (it) 1975-03-27 1976-03-26 Circuito di comando per binario ferroviario a blocchi,atto a rilevare in tutta sicurezza la presenza o la assenza di una vettura ferroviaria in uno dei blocchi del binario

Country Status (7)

Country Link
US (1) US3970271A (it)
AU (1) AU502047B2 (it)
CA (1) CA1045238A (it)
GB (1) GB1538156A (it)
IT (1) IT1067745B (it)
NL (1) NL7603180A (it)
ZA (1) ZA761860B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449575A1 (fr) * 1978-12-22 1980-09-19 Signaux Entr Electriques Procede de codage de securite pour circuits de voie
US4258312A (en) * 1979-04-20 1981-03-24 American Standard Inc. Vital voltage regulator and phase shift circuit arrangement
US4298179A (en) * 1979-05-31 1981-11-03 American Standard Inc. Vital cross field transformer circuit arrangement for railroad signaling systems
IT1151495B (it) * 1980-04-18 1986-12-17 Ansaldo Sa Rilevatore di squilibrio della corrente armonica di trazione nei circuiti di binario
US4723739A (en) * 1985-07-16 1988-02-09 American Standard Inc. Synchronous rectification track circuit
IT1225716B (it) * 1988-10-26 1990-11-22 Esacontrol Spa Dispositivo per la protezione dei rele' di binario dai disturbi elettrici
JP5364603B2 (ja) * 2010-01-18 2013-12-11 株式会社日立製作所 列車検知装置
US12459551B2 (en) 2019-10-14 2025-11-04 Athena Industrial Technologies Inc. Broken rail detector
EP4045378A4 (en) 2019-10-14 2024-04-24 Athena Industrial Technologies INC. BROKEN RAIL DETECTOR

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2076930A (en) * 1935-04-13 1937-04-13 Union Switch & Signal Co Railway signaling system
US3046454A (en) * 1957-11-14 1962-07-24 Westinghouse Air Brake Co Code detecting apparatus

Also Published As

Publication number Publication date
AU1243076A (en) 1977-10-06
GB1538156A (en) 1979-01-10
AU502047B2 (en) 1979-07-12
US3970271A (en) 1976-07-20
NL7603180A (nl) 1976-09-29
ZA761860B (en) 1977-03-30
CA1045238A (en) 1978-12-26

Similar Documents

Publication Publication Date Title
IT964855B (it) Dispositivo per la scolpitura dei pneumatici
SE7503744L (sv) Jernvegsvagn.
IT1059995B (it) Carrello per vagone ferroviario
IT7922210A0 (it) Macchina per il raddobbo dei binari con dispositivo per il sollevamento e il raddrizzamento laterale del binario, in particolare per tratti contenenti scambi.
IT1067745B (it) Circuito di comando per binario ferroviario a blocchi,atto a rilevare in tutta sicurezza la presenza o la assenza di una vettura ferroviaria in uno dei blocchi del binario
AT333844B (de) Einrichtung zum aufgleisen von schienenfahrzeugen
AT316617B (de) Fahrbare Maschine zum Aufnehmen, Reinigen und Wiedereinbringen des Bettungsschotters von Eisenbahngleisen
IT972427B (it) Procedimento e dispositivo per la rincalzatura dei binari
ATA886276A (de) Einschienenzahnradbahn
AT347498B (de) Laufkatze fuer einschienen-haengebahnen mit in der laufschiene untergebrachten stromschienen
BE788931A (fr) Fenetre destinee a des vehicules, en particulier des vehicules ferroviaires
SE7508960L (sv) Jernvegshjul.
CH532161A (de) Fahrbare Maschine zum Aufnehmen, Reinigen und Wiedereinbringen des Bettungsschotters von Eisenbahngleisen
IT1060983B (it) Circuito di binario ferroviario
AT363123B (de) Einschienenzahnradbahn
AT301599B (de) Einrichtung zum Bearbeiten des Gleisoberbaues
CA958872A (en) Regeneration of absorbent for sulfur oxides
CH524727A (de) Fahrbare Maschine zum Aufnehmen des Bettungsschotters von Eisenbahngleisen
IT1011811B (it) Dispositivo di ripresa del gioco per tiranterie dei freni di veicoli
CH525327A (de) Vorrichtung zum Enteisen von Eisenbahngeleisen
AT306100B (de) Schaltungsanordnung zur Auswertung einer Gleisspannung zur Gleisfreimeldung in Eisenbahnsicherungsanlagen
CH512348A (de) Einrichtung an Fahrzeug, insbesondere Schienenfahrzeug, zum Reinigen der Bandagen von Rädern
AT294183B (de) Anordnung zum Steuern von Gleisbremsen in Eisenbahnrangieranlagen
YU120471A (en) Clamp for correcting or maintaining the distance between railroad tracks
SU516774A2 (ru) Стрелочный перевод дл монорельсовых путей

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950330