GB498714A - Improvements in and relating to permanent magnets - Google Patents

Improvements in and relating to permanent magnets

Info

Publication number
GB498714A
GB498714A GB34753/37A GB3475337A GB498714A GB 498714 A GB498714 A GB 498714A GB 34753/37 A GB34753/37 A GB 34753/37A GB 3475337 A GB3475337 A GB 3475337A GB 498714 A GB498714 A GB 498714A
Authority
GB
United Kingdom
Prior art keywords
relating
permanent magnets
alloy
tin
spraying
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
GB34753/37A
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 GB498714A publication Critical patent/GB498714A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Hard Magnetic Materials (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

The parts of a permanent magnet are united by spraying a coating of a light metal alloy there around. A suitable alloy is an aluminium alloy containing 20 per cent of tin or zinc.
GB34753/37A 1936-12-19 1937-12-15 Improvements in and relating to permanent magnets Expired GB498714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE498714X 1936-12-19

Publications (1)

Publication Number Publication Date
GB498714A true GB498714A (en) 1939-01-12

Family

ID=6545337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34753/37A Expired GB498714A (en) 1936-12-19 1937-12-15 Improvements in and relating to permanent magnets

Country Status (1)

Country Link
GB (1) GB498714A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422986A (en) * 1944-05-10 1947-06-24 Gen Electric Time delay relay
US2442638A (en) * 1943-09-01 1948-06-01 Bell Telephone Labor Inc Thick protective coatings on permanent magnets
US2683921A (en) * 1948-03-30 1954-07-20 Gen Electric Method of making and magetizing encased permanent magnets

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442638A (en) * 1943-09-01 1948-06-01 Bell Telephone Labor Inc Thick protective coatings on permanent magnets
US2422986A (en) * 1944-05-10 1947-06-24 Gen Electric Time delay relay
US2683921A (en) * 1948-03-30 1954-07-20 Gen Electric Method of making and magetizing encased permanent magnets

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