JPS57148567A - Cylindrical magnet and manufacture thereof - Google Patents

Cylindrical magnet and manufacture thereof

Info

Publication number
JPS57148567A
JPS57148567A JP56032565A JP3256581A JPS57148567A JP S57148567 A JPS57148567 A JP S57148567A JP 56032565 A JP56032565 A JP 56032565A JP 3256581 A JP3256581 A JP 3256581A JP S57148567 A JPS57148567 A JP S57148567A
Authority
JP
Japan
Prior art keywords
pole
isotropy
anisotropy
cylindrical part
driving
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.)
Granted
Application number
JP56032565A
Other languages
English (en)
Other versions
JPS6358033B2 (ja
Inventor
Motoharu Shimizu
Tokuyuki Noda
Yoshihiro Noguchi
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP56032565A priority Critical patent/JPS57148567A/ja
Publication of JPS57148567A publication Critical patent/JPS57148567A/ja
Publication of JPS6358033B2 publication Critical patent/JPS6358033B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Brushless Motors (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
JP56032565A 1981-03-09 1981-03-09 Cylindrical magnet and manufacture thereof Granted JPS57148567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56032565A JPS57148567A (en) 1981-03-09 1981-03-09 Cylindrical magnet and manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56032565A JPS57148567A (en) 1981-03-09 1981-03-09 Cylindrical magnet and manufacture thereof

Publications (2)

Publication Number Publication Date
JPS57148567A true JPS57148567A (en) 1982-09-13
JPS6358033B2 JPS6358033B2 (ja) 1988-11-14

Family

ID=12362427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56032565A Granted JPS57148567A (en) 1981-03-09 1981-03-09 Cylindrical magnet and manufacture thereof

Country Status (1)

Country Link
JP (1) JPS57148567A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181952A (ja) * 1983-03-30 1984-10-16 Mitsubishi Chem Ind Ltd 磁気異方性を有するリング状成形体の製造法
JPS60240112A (ja) * 1984-05-14 1985-11-29 Seiko Epson Corp 磁場中圧縮成形用金型
US7394174B2 (en) * 2001-12-21 2008-07-01 Johnson Electric S.A. Brushless D.C. motor
US8013696B2 (en) 2008-10-14 2011-09-06 Nexteer (Beijing) Technology Co., Ltd. Magnetic apparatus and method of manufacturing the magnetic apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181952A (ja) * 1983-03-30 1984-10-16 Mitsubishi Chem Ind Ltd 磁気異方性を有するリング状成形体の製造法
JPS60240112A (ja) * 1984-05-14 1985-11-29 Seiko Epson Corp 磁場中圧縮成形用金型
US7394174B2 (en) * 2001-12-21 2008-07-01 Johnson Electric S.A. Brushless D.C. motor
US8013696B2 (en) 2008-10-14 2011-09-06 Nexteer (Beijing) Technology Co., Ltd. Magnetic apparatus and method of manufacturing the magnetic apparatus

Also Published As

Publication number Publication date
JPS6358033B2 (ja) 1988-11-14

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