GB560079A - Improvements relating to electric relays - Google Patents

Improvements relating to electric relays

Info

Publication number
GB560079A
GB560079A GB14999/40A GB1499940A GB560079A GB 560079 A GB560079 A GB 560079A GB 14999/40 A GB14999/40 A GB 14999/40A GB 1499940 A GB1499940 A GB 1499940A GB 560079 A GB560079 A GB 560079A
Authority
GB
United Kingdom
Prior art keywords
contacts
armature
electromagnet
rocker
circuit
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
GB14999/40A
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
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
Priority claimed from US304811A external-priority patent/US2285890A/en
Application filed by Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of GB560079A publication Critical patent/GB560079A/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
    • B61L23/12—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by AC
    • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Electromagnets (AREA)
GB14999/40A 1939-11-16 1940-10-08 Improvements relating to electric relays Expired GB560079A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US304811A US2285890A (en) 1939-11-16 1939-11-16 Stationary contact
US431399A US2318738A (en) 1939-11-16 1942-02-18 Holding means for instruments

Publications (1)

Publication Number Publication Date
GB560079A true GB560079A (en) 1944-03-20

Family

ID=26974245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14999/40A Expired GB560079A (en) 1939-11-16 1940-10-08 Improvements relating to electric relays

Country Status (4)

Country Link
US (1) US2318738A (enrdf_load_stackoverflow)
BE (1) BE477674A (enrdf_load_stackoverflow)
FR (1) FR951344A (enrdf_load_stackoverflow)
GB (1) GB560079A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
US2318738A (en) 1943-05-11
FR951344A (fr) 1949-10-21
BE477674A (enrdf_load_stackoverflow)

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