GB252697A - - Google Patents

Info

Publication number
GB252697A
GB252697A GB11871/26A GB1187126A GB252697A GB 252697 A GB252697 A GB 252697A GB 11871/26 A GB11871/26 A GB 11871/26A GB 1187126 A GB1187126 A GB 1187126A GB 252697 A GB252697 A GB 252697A
Authority
GB
United Kingdom
Prior art keywords
current
armature
flux
rising
latch
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
GB11871/26A
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 GB252697A publication Critical patent/GB252697A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current

Landscapes

  • Breakers (AREA)
GB11871/26A 1925-05-28 1926-05-06 Expired GB252697A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33584A US1696611A (en) 1925-05-28 1925-05-28 Protective device

Publications (1)

Publication Number Publication Date
GB252697A true GB252697A (enrdf_load_stackoverflow) 1926-11-04

Family

ID=21871243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11871/26A Expired GB252697A (enrdf_load_stackoverflow) 1925-05-28 1926-05-06

Country Status (4)

Country Link
US (1) US1696611A (enrdf_load_stackoverflow)
BE (1) BE334355A (enrdf_load_stackoverflow)
FR (1) FR616727A (enrdf_load_stackoverflow)
GB (1) GB252697A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479308A (en) * 1945-03-17 1949-08-16 Armour Res Found Magnetic recorder head
US2829217A (en) * 1954-05-25 1958-04-01 Gen Electric Current responsive control device
US2939929A (en) * 1957-08-22 1960-06-07 Gen Electric Electric circuit breaker

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486596A (en) * 1945-10-19 1949-11-01 Ite Circuit Breaker Ltd Time delay for selective tripping
US2486613A (en) * 1945-10-19 1949-11-01 Ite Circuit Breaker Ltd Two-armature selectively retarded electromagnet
US2824925A (en) * 1951-06-23 1958-02-25 Westinghouse Electric Corp Electromagnetic trip circuit interrupters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479308A (en) * 1945-03-17 1949-08-16 Armour Res Found Magnetic recorder head
US2829217A (en) * 1954-05-25 1958-04-01 Gen Electric Current responsive control device
US2939929A (en) * 1957-08-22 1960-06-07 Gen Electric Electric circuit breaker

Also Published As

Publication number Publication date
BE334355A (enrdf_load_stackoverflow)
FR616727A (fr) 1927-02-07
US1696611A (en) 1928-12-25

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