FR617873A - Block system for railways - Google Patents

Block system for railways

Info

Publication number
FR617873A
FR617873A FR617873DA FR617873A FR 617873 A FR617873 A FR 617873A FR 617873D A FR617873D A FR 617873DA FR 617873 A FR617873 A FR 617873A
Authority
FR
France
Prior art keywords
railways
block system
block
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie de Signaux et dEntreprises Electriques SA
Original Assignee
Compagnie de Signaux et dEntreprises Electriques SA
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 Compagnie de Signaux et dEntreprises Electriques SA filed Critical Compagnie de Signaux et dEntreprises Electriques SA
Application granted granted Critical
Publication of FR617873A publication Critical patent/FR617873A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/166—Track circuits specially adapted for section blocking using alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR617873D 1925-11-07 1925-11-07 Block system for railways Expired FR617873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR617873T 1925-11-07

Publications (1)

Publication Number Publication Date
FR617873A true FR617873A (en) 1927-02-26

Family

ID=8982603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR617873D Expired FR617873A (en) 1925-11-07 1925-11-07 Block system for railways

Country Status (1)

Country Link
FR (1) FR617873A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584566A (en) * 1947-02-20 1952-02-05 Westinghouse Air Brake Co Traffic protection apparatus
US2631227A (en) * 1946-05-21 1953-03-10 Westinghouse Air Brake Co Crossover protection apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631227A (en) * 1946-05-21 1953-03-10 Westinghouse Air Brake Co Crossover protection apparatus
US2584566A (en) * 1947-02-20 1952-02-05 Westinghouse Air Brake Co Traffic protection apparatus

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