GB1466880A - Laminations for electromagnetic devices - Google Patents

Laminations for electromagnetic devices

Info

Publication number
GB1466880A
GB1466880A GB4090276A GB4090276A GB1466880A GB 1466880 A GB1466880 A GB 1466880A GB 4090276 A GB4090276 A GB 4090276A GB 4090276 A GB4090276 A GB 4090276A GB 1466880 A GB1466880 A GB 1466880A
Authority
GB
United Kingdom
Prior art keywords
laminations
electromagnetic devices
divided
hirst
inductors
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
GB4090276A
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.)
HIRST H
Original Assignee
HIRST H
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 HIRST H filed Critical HIRST H
Priority to GB4090276A priority Critical patent/GB1466880A/en
Publication of GB1466880A publication Critical patent/GB1466880A/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
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • 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)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

1466880 Transformers and inductors H HIRST 21 Feb 1974 40902/76 Divided out of 1466879 Heading H1T The subject-matter relates to that of Specification 1,466,879 from which this is divided, the claims being directed to an E-shaped member of the basic shape given in the main Specification with a size defined by 14 mm.#x#64 mm. and to a related set of laminations comprising E and I members.
GB4090276A 1974-02-21 1974-02-21 Laminations for electromagnetic devices Expired GB1466880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4090276A GB1466880A (en) 1974-02-21 1974-02-21 Laminations for electromagnetic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4090276A GB1466880A (en) 1974-02-21 1974-02-21 Laminations for electromagnetic devices

Publications (1)

Publication Number Publication Date
GB1466880A true GB1466880A (en) 1977-03-09

Family

ID=10417185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4090276A Expired GB1466880A (en) 1974-02-21 1974-02-21 Laminations for electromagnetic devices

Country Status (1)

Country Link
GB (1) GB1466880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003007318A2 (en) * 2001-07-11 2003-01-23 Vogt Electronic Ag Swinging choke

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003007318A2 (en) * 2001-07-11 2003-01-23 Vogt Electronic Ag Swinging choke
WO2003007318A3 (en) * 2001-07-11 2003-11-27 Vogt Electronic Ag Swinging choke
US6903648B2 (en) 2001-07-11 2005-06-07 Vogt Electronic Ag Oscillating inductor

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Legal Events

Date Code Title Description
PS Patent sealed
430 Proceeding under section 30 patents act 1949
429A Application made for amendment of specification (sect. 29/1949)
430I Application withdrawn (sect. 30/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
SP Amendment (slips) printed
PE20 Patent expired after termination of 20 years

Effective date: 19940220