FR20652E - Automatic block-system - Google Patents

Automatic block-system

Info

Publication number
FR20652E
FR20652E FR20652A FR20652DA FR20652E FR 20652 E FR20652 E FR 20652E FR 20652 A FR20652 A FR 20652A FR 20652D A FR20652D A FR 20652DA FR 20652 E FR20652 E FR 20652E
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
FR20652A
Other languages
French (fr)
Inventor
Hector Pilon
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.)
Publication date
Application granted granted Critical
Publication of FR20652E publication Critical patent/FR20652E/en
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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Linear Motors (AREA)
FR20652A 1915-05-05 Automatic block-system Expired FR20652E (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR20652E true FR20652E (en) 1919-01-17

Family

ID=32295781

Family Applications (2)

Application Number Title Priority Date Filing Date
FR20652A Expired FR20652E (en) 1915-05-05 Automatic block-system
FR483378A Expired FR483378A (en) 1915-05-05 1916-04-22 Automatic block-system

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR483378A Expired FR483378A (en) 1915-05-05 1916-04-22 Automatic block-system

Country Status (2)

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

Also Published As

Publication number Publication date
GB100389A (en) 1917-01-25
FR483378A (en) 1917-06-29

Similar Documents

Publication Publication Date Title
FR502478A (en) Automatic rifle
FR22103E (en) Automatic striker
FR20652E (en) Automatic block-system
FR499448A (en) Automatic gun
CH68089A (en) Automatic carburettor
ES61453A1 (en) Automatic transshipment-carrier.
FR482001A (en) Automatic leveling siphon
FR479388A (en) Automatic accumulator transformer
FR471717A (en) Automatic cinephone
CH71926A (en) Photogrammeter
CH72540A (en) Joiont
CH73983A (en) Photogrammeter
FR485571A (en) Automatic falsetto
FR433497A (en) Automatic block-system
FR447854A (en) Automatic weigher-packer
FR427126A (en) Automatic statoscope
FR433046A (en) Automatic lighter-igniter
FR469729A (en) Automatic carburettor
FR479894A (en) Automatic hammer
FR474876A (en) Automatic seal
FR20158E (en) Automatic tipper
FR479338A (en) Automatic tipper
FR482133A (en) Automatic switch
FR490531A (en) Automatic phonograph
CH74565A (en) Automatic switch