GB646901A - Improvements relating to circuit arrangements for the control of a direct current relay - Google Patents

Improvements relating to circuit arrangements for the control of a direct current relay

Info

Publication number
GB646901A
GB646901A GB21405/48A GB2140548A GB646901A GB 646901 A GB646901 A GB 646901A GB 21405/48 A GB21405/48 A GB 21405/48A GB 2140548 A GB2140548 A GB 2140548A GB 646901 A GB646901 A GB 646901A
Authority
GB
United Kingdom
Prior art keywords
relay
control
voltage
contact
regulator
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
GB21405/48A
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 to NL707013469A priority Critical patent/NL147787B/xx
Priority to NL74431D priority patent/NL74431C/xx
Application filed by Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB21405/48A priority patent/GB646901A/en
Priority to US107441A priority patent/US2636930A/en
Publication of GB646901A publication Critical patent/GB646901A/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
    • H01H51/34—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)
  • Direct Current Feeding And Distribution (AREA)
GB21405/48A 1948-08-13 1948-08-13 Improvements relating to circuit arrangements for the control of a direct current relay Expired GB646901A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL707013469A NL147787B (nl) 1948-08-13 Werkwijze voor het rechtstreeks, door gieten, vervaardigen van onderdelen van ovens en ovenonderdelen vervaardigd met deze werkwijze.
NL74431D NL74431C (enrdf_load_stackoverflow) 1948-08-13
GB21405/48A GB646901A (en) 1948-08-13 1948-08-13 Improvements relating to circuit arrangements for the control of a direct current relay
US107441A US2636930A (en) 1948-08-13 1949-07-29 Relay for controlling the supply of operating current to electromagnetically actuated devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21405/48A GB646901A (en) 1948-08-13 1948-08-13 Improvements relating to circuit arrangements for the control of a direct current relay

Publications (1)

Publication Number Publication Date
GB646901A true GB646901A (en) 1950-11-29

Family

ID=10162378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21405/48A Expired GB646901A (en) 1948-08-13 1948-08-13 Improvements relating to circuit arrangements for the control of a direct current relay

Country Status (3)

Country Link
US (1) US2636930A (enrdf_load_stackoverflow)
GB (1) GB646901A (enrdf_load_stackoverflow)
NL (2) NL147787B (enrdf_load_stackoverflow)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2189846A (en) * 1936-08-05 1940-02-13 Jean Francois Augier Queyras Automatic relay control system
US2279849A (en) * 1940-05-16 1942-04-14 Gen Electric Control of electromagnetic devices
US2445450A (en) * 1943-06-11 1948-07-20 Westinghouse Electric Corp Electrical induction apparatus
US2393060A (en) * 1943-12-11 1946-01-15 Westinghouse Electric Corp Control system
US2515968A (en) * 1947-05-07 1950-07-18 Bendix Aviat Corp Pulse length measurement
US2489017A (en) * 1948-02-26 1949-11-22 Bell Telephone Labor Inc Control circuit for slow-releasing relays

Also Published As

Publication number Publication date
NL74431C (enrdf_load_stackoverflow)
US2636930A (en) 1953-04-28
NL147787B (nl)

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