FR483378A - Block-system automatique - Google Patents

Block-system automatique

Info

Publication number
FR483378A
FR483378A FR483378A FR483378DA FR483378A FR 483378 A FR483378 A FR 483378A FR 483378 A FR483378 A FR 483378A FR 483378D A FR483378D A FR 483378DA FR 483378 A FR483378 A FR 483378A
Authority
FR
France
Prior art keywords
automatic block
automatic
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
FR483378A
Other languages
English (en)
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.)
National Safety Appliance Co
Original Assignee
National Safety Appliance Co
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 National Safety Appliance Co filed Critical National Safety Appliance Co
Application granted granted Critical
Publication of FR483378A publication Critical patent/FR483378A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/20—Non-polarised relays with two or more independent armatures
    • 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
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Linear Motors (AREA)
FR483378A 1915-05-05 1916-04-22 Block-system automatique Expired FR483378A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US100389XA 1915-05-05 1915-05-05

Publications (1)

Publication Number Publication Date
FR483378A true FR483378A (fr) 1917-06-29

Family

ID=32295781

Family Applications (2)

Application Number Title Priority Date Filing Date
FR20652A Expired FR20652E (fr) 1915-05-05 Block-system automatique
FR483378A Expired FR483378A (fr) 1915-05-05 1916-04-22 Block-system automatique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR20652A Expired FR20652E (fr) 1915-05-05 Block-system automatique

Country Status (2)

Country Link
FR (2) FR483378A (fr)
GB (1) GB100389A (fr)

Also Published As

Publication number Publication date
GB100389A (en) 1917-01-25
FR20652E (fr) 1919-01-17

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