GB539093A - Improvements in and relating to cores for electrical apparatus and method of making the same - Google Patents

Improvements in and relating to cores for electrical apparatus and method of making the same

Info

Publication number
GB539093A
GB539093A GB10667/40A GB1066740A GB539093A GB 539093 A GB539093 A GB 539093A GB 10667/40 A GB10667/40 A GB 10667/40A GB 1066740 A GB1066740 A GB 1066740A GB 539093 A GB539093 A GB 539093A
Authority
GB
United Kingdom
Prior art keywords
cores
relating
making
same
electrical apparatus
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
GB10667/40A
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 GB539093A publication Critical patent/GB539093A/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
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
GB10667/40A 1939-06-21 1940-06-21 Improvements in and relating to cores for electrical apparatus and method of making the same Expired GB539093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US539093XA 1939-06-21 1939-06-21

Publications (1)

Publication Number Publication Date
GB539093A true GB539093A (en) 1941-08-27

Family

ID=21987356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10667/40A Expired GB539093A (en) 1939-06-21 1940-06-21 Improvements in and relating to cores for electrical apparatus and method of making the same

Country Status (1)

Country Link
GB (1) GB539093A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436636A (en) * 1944-07-14 1948-02-24 Gen Electric Instrument current transformer
US2595755A (en) * 1949-05-24 1952-05-06 Gen Electric Electromagnet
DE1026548B (en) * 1956-09-28 1958-03-20 Siemens Ag Magnetic sound heads, in particular for recording and reproducing pulses
DE1140735B (en) * 1956-05-29 1962-12-06 Suedwestfunk Magnetic head with sharply defined gap edges
DE3238439A1 (en) * 1982-10-16 1984-04-19 Vacuumschmelze Gmbh, 6450 Hanau RINGBAND CORE WITH AIR GAP AND METHOD FOR PRODUCING SUCH A RINGBAND CORE
FR2672152A1 (en) * 1991-01-29 1992-07-31 Bardin Ets TRANSFORMER TORE, AND METHOD FOR MANUFACTURING SUCH A TORE.
CN101814354A (en) * 2009-02-25 2010-08-25 机电联合股份有限公司 Have the magnetic loop device and the manufacture method thereof of twining magnetic core

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436636A (en) * 1944-07-14 1948-02-24 Gen Electric Instrument current transformer
US2595755A (en) * 1949-05-24 1952-05-06 Gen Electric Electromagnet
DE1140735B (en) * 1956-05-29 1962-12-06 Suedwestfunk Magnetic head with sharply defined gap edges
DE1026548B (en) * 1956-09-28 1958-03-20 Siemens Ag Magnetic sound heads, in particular for recording and reproducing pulses
DE3238439A1 (en) * 1982-10-16 1984-04-19 Vacuumschmelze Gmbh, 6450 Hanau RINGBAND CORE WITH AIR GAP AND METHOD FOR PRODUCING SUCH A RINGBAND CORE
FR2672152A1 (en) * 1991-01-29 1992-07-31 Bardin Ets TRANSFORMER TORE, AND METHOD FOR MANUFACTURING SUCH A TORE.
EP0497681A1 (en) * 1991-01-29 1992-08-05 Etablissements Bardin Transformer torus and method of making such a torus
CN101814354A (en) * 2009-02-25 2010-08-25 机电联合股份有限公司 Have the magnetic loop device and the manufacture method thereof of twining magnetic core
EP2224461A1 (en) 2009-02-25 2010-09-01 Liaisons Electroniques-Mecaniques Lem S.A. Magnetic circuit with wound magnetic core
US8138877B2 (en) 2009-02-25 2012-03-20 Liaisons Electroniques-Mecaniques Lem Sa Magnetic circuit with wound magnetic core
CN101814354B (en) * 2009-02-25 2013-01-30 机电联合股份有限公司 Magnetic circuit with wound magnetic core and method of manufacturing the same

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