GB991290A - Combined transformer and electromagnetic switch - Google Patents

Combined transformer and electromagnetic switch

Info

Publication number
GB991290A
GB991290A GB27252/61A GB2725261A GB991290A GB 991290 A GB991290 A GB 991290A GB 27252/61 A GB27252/61 A GB 27252/61A GB 2725261 A GB2725261 A GB 2725261A GB 991290 A GB991290 A GB 991290A
Authority
GB
United Kingdom
Prior art keywords
electromagnetic switch
combined transformer
contact devices
july
core
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
GB27252/61A
Inventor
John Lionel Feaver
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.)
Pye Electronic Products Ltd
Original Assignee
Pye 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 Pye Ltd filed Critical Pye Ltd
Priority to GB27252/61A priority Critical patent/GB991290A/en
Priority to US212557A priority patent/US3241004A/en
Publication of GB991290A publication Critical patent/GB991290A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • H01H51/281—Mounting of the relay; Encapsulating; Details of connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

991,290. Electromagnetic switches. PYE Ltd. July 23, 1962 [July 27, 1961], No. 27252/61. Heading H2B. Sealed magnetic contact devices 5 are mounted across an air cap in the core 4a of a transformer. Additional windings to influence the current setting of the contact devices may surround the core or the contact devices (Fig. 3 not shown).
GB27252/61A 1961-07-27 1961-07-27 Combined transformer and electromagnetic switch Expired GB991290A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB27252/61A GB991290A (en) 1961-07-27 1961-07-27 Combined transformer and electromagnetic switch
US212557A US3241004A (en) 1961-07-27 1962-07-26 Electro-magnetically operated electric switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27252/61A GB991290A (en) 1961-07-27 1961-07-27 Combined transformer and electromagnetic switch

Publications (1)

Publication Number Publication Date
GB991290A true GB991290A (en) 1965-05-05

Family

ID=10256568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27252/61A Expired GB991290A (en) 1961-07-27 1961-07-27 Combined transformer and electromagnetic switch

Country Status (2)

Country Link
US (1) US3241004A (en)
GB (1) GB991290A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1866147A (en) * 1931-12-26 1932-07-05 Union Switch & Signal Co Transformer relay
US2187115A (en) * 1939-03-02 1940-01-16 Bell Telephone Labor Inc Switching device
US2261323A (en) * 1940-07-26 1941-11-04 Union Switch & Signal Co Means for adjusting the impedance of electromagnetic devices
US2342781A (en) * 1940-10-16 1944-02-29 Bell Telephone Labor Inc Combined mercury interrupter and transformer
US2618717A (en) * 1945-08-01 1952-11-18 Hakanssons Ind Ab Oscillating contact device for periodical variation of electric current conditions
US2653280A (en) * 1949-06-17 1953-09-22 Ballastran Corp Stationary induction apparatus
BE567480A (en) * 1957-04-09
US2938982A (en) * 1958-12-31 1960-05-31 Bell Telephone Labor Inc Relay for switching connections between three conductors meeting at a common point

Also Published As

Publication number Publication date
US3241004A (en) 1966-03-15

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