JPS6358033B2 - - Google Patents
Info
- Publication number
- JPS6358033B2 JPS6358033B2 JP56032565A JP3256581A JPS6358033B2 JP S6358033 B2 JPS6358033 B2 JP S6358033B2 JP 56032565 A JP56032565 A JP 56032565A JP 3256581 A JP3256581 A JP 3256581A JP S6358033 B2 JPS6358033 B2 JP S6358033B2
- Authority
- JP
- Japan
- Prior art keywords
- die
- magnetic
- cylindrical
- core
- magnetic powder
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 239000006247 magnetic powder Substances 0.000 claims description 11
- 239000000696 magnetic material Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
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)
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 JPS57148567A (en) | 1982-09-13 |
JPS6358033B2 true JPS6358033B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
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 |
JPH0630312B2 (ja) * | 1984-05-14 | 1994-04-20 | セイコーエプソン株式会社 | 磁場中圧縮成形用金型 |
GB0130602D0 (en) * | 2001-12-21 | 2002-02-06 | Johnson Electric Sa | 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 |
-
1981
- 1981-03-09 JP JP56032565A patent/JPS57148567A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57148567A (en) | 1982-09-13 |