JPS5212408A - Step motor - Google Patents
Step motorInfo
- Publication number
- JPS5212408A JPS5212408A JP8816375A JP8816375A JPS5212408A JP S5212408 A JPS5212408 A JP S5212408A JP 8816375 A JP8816375 A JP 8816375A JP 8816375 A JP8816375 A JP 8816375A JP S5212408 A JPS5212408 A JP S5212408A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- step motor
- rotor
- knockdown
- torque
- 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.)
- Pending
Links
Abstract
PURPOSE: In addition to eliminate permanent magnet from rotor, arrange high permeability members for the purpose to increase the length of permanent magnet and the effective gap area of flux return path and to prevent knockdown, and to improve pull-in torque at step driving time by reducing rotor inertia.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8816375A JPS5212408A (en) | 1975-07-17 | 1975-07-17 | Step motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8816375A JPS5212408A (en) | 1975-07-17 | 1975-07-17 | Step motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5212408A true JPS5212408A (en) | 1977-01-31 |
Family
ID=13935247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8816375A Pending JPS5212408A (en) | 1975-07-17 | 1975-07-17 | Step motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5212408A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54138139U (en) * | 1978-03-20 | 1979-09-25 | ||
JPS54138138U (en) * | 1978-03-20 | 1979-09-25 | ||
US4973868A (en) * | 1988-08-03 | 1990-11-27 | J. M. Voith Gmbh | Electrical machine with permanent magnet excitation |
-
1975
- 1975-07-17 JP JP8816375A patent/JPS5212408A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54138139U (en) * | 1978-03-20 | 1979-09-25 | ||
JPS54138138U (en) * | 1978-03-20 | 1979-09-25 | ||
US4973868A (en) * | 1988-08-03 | 1990-11-27 | J. M. Voith Gmbh | Electrical machine with permanent magnet excitation |
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