FR867783A - Improvements to permanent magnets - Google Patents

Improvements to permanent magnets

Info

Publication number
FR867783A
FR867783A FR867783DA FR867783A FR 867783 A FR867783 A FR 867783A FR 867783D A FR867783D A FR 867783DA FR 867783 A FR867783 A FR 867783A
Authority
FR
France
Prior art keywords
permanent magnets
magnets
permanent
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR867783A publication Critical patent/FR867783A/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]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR867783D 1939-11-24 1940-11-25 Improvements to permanent magnets Expired FR867783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US867783XA 1939-11-24 1939-11-24

Publications (1)

Publication Number Publication Date
FR867783A true FR867783A (en) 1941-11-27

Family

ID=22200840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867783D Expired FR867783A (en) 1939-11-24 1940-11-25 Improvements to permanent magnets

Country Status (1)

Country Link
FR (1) FR867783A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698917A (en) * 1951-04-23 1955-01-04 Hartford Nat Bank & Trust Co Magnetic circuit comprising a ferromagnetic part having high permeability and a substantially flat, thin permanent magnet
EP0280435A2 (en) * 1987-02-24 1988-08-31 Richard Edward Thomson Adjustable quick release magnetic holding assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698917A (en) * 1951-04-23 1955-01-04 Hartford Nat Bank & Trust Co Magnetic circuit comprising a ferromagnetic part having high permeability and a substantially flat, thin permanent magnet
EP0280435A2 (en) * 1987-02-24 1988-08-31 Richard Edward Thomson Adjustable quick release magnetic holding assembly
EP0280435A3 (en) * 1987-02-24 1989-09-13 Richard Edward Thomson Adjustable quick release magnetic holding assembly

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