GB510595A - Improvements in and relating to excess current high-speed electric circuit breakers - Google Patents

Improvements in and relating to excess current high-speed electric circuit breakers

Info

Publication number
GB510595A
GB510595A GB42/38A GB4238A GB510595A GB 510595 A GB510595 A GB 510595A GB 42/38 A GB42/38 A GB 42/38A GB 4238 A GB4238 A GB 4238A GB 510595 A GB510595 A GB 510595A
Authority
GB
United Kingdom
Prior art keywords
current
magnet
release
coil
main
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
GB42/38A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB510595A publication Critical patent/GB510595A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0027—Resilient wheels, e.g. resilient hubs
    • B60B17/0031—Resilient wheels, e.g. resilient hubs using springs
    • B60B17/0034—Resilient wheels, e.g. resilient hubs using springs of rubber or other non-metallic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/26—Electromagnetic mechanisms with windings acting in opposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB42/38A 1937-01-02 1938-01-01 Improvements in and relating to excess current high-speed electric circuit breakers Expired GB510595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE510595X 1937-01-02

Publications (1)

Publication Number Publication Date
GB510595A true GB510595A (en) 1939-08-01

Family

ID=6547468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42/38A Expired GB510595A (en) 1937-01-02 1938-01-01 Improvements in and relating to excess current high-speed electric circuit breakers

Country Status (2)

Country Link
BE (1) BE510595A (enrdf_load_stackoverflow)
GB (1) GB510595A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE510595A (enrdf_load_stackoverflow)

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