FR641884A - Manoeuvre d'aiguille par électro-aimant - Google Patents

Manoeuvre d'aiguille par électro-aimant

Info

Publication number
FR641884A
FR641884A FR641884DA FR641884A FR 641884 A FR641884 A FR 641884A FR 641884D A FR641884D A FR 641884DA FR 641884 A FR641884 A FR 641884A
Authority
FR
France
Prior art keywords
electromagnet
needle operation
needle
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
English (en)
Inventor
Albert-Charles-James Guenee
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 filed Critical
Application granted granted Critical
Publication of FR641884A publication Critical patent/FR641884A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
    • B61L5/067—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means using electromagnetic driving means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR641884D 1927-03-11 1927-03-11 Manoeuvre d'aiguille par électro-aimant Expired FR641884A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641884T 1927-03-11

Publications (1)

Publication Number Publication Date
FR641884A true FR641884A (fr) 1928-08-13

Family

ID=8998447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641884D Expired FR641884A (fr) 1927-03-11 1927-03-11 Manoeuvre d'aiguille par électro-aimant

Country Status (1)

Country Link
FR (1) FR641884A (fr)

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