JPS5534802A - Dc brushless motor - Google Patents
Dc brushless motorInfo
- Publication number
- JPS5534802A JPS5534802A JP10547278A JP10547278A JPS5534802A JP S5534802 A JPS5534802 A JP S5534802A JP 10547278 A JP10547278 A JP 10547278A JP 10547278 A JP10547278 A JP 10547278A JP S5534802 A JPS5534802 A JP S5534802A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- permanent magnet
- magnetic body
- inversion portion
- polarity
- 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
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Brushless Motors (AREA)
Abstract
PURPOSE:To increase torque without expanding teeth, by providing a magnetic body on the periphery of a rotor so that the thickness of the magnetic body is so thin that the vicinity of the magnetic-polarity-inversion portion of a permanent magnet is sufficiently staurated magnetically. CONSTITUTION:A stator 18 is composed of magnetic poles 12 to 14 extruded from the inner surface of a yoke 11 and exciter windings 15 to 17 which are wound around the magnetic poles. A rotor 19 is composed of a cylindrical permanent magnet 20 magnetized in the direction of the diameter, and a magnetic body 21 that is contacted to the periphery of the permanent magnet 20. The magnetic body 21 is provided to form a magnetic path which shorts the magnetic fluxes in the vicinity of the magnetic-polarity-inversion portion of the permanent magnet 20, and the thickness of the magnetic body 21 is selected so that the shorted magnetic fluxes are saturated. By providing the magnetic body 21, the shorted magnetic fluxes in the vicinity of the magnetic-polarity-inversion portion are saturated and the magnetic resistance in this portion is increased. Therefore the magnetic fluxes passing through the magnetic poles increase even though the magnetic-polyarity-inversion portion is located at the position lower than the teeth, thereby the torque can be increased.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10547278A JPS5534802A (en) | 1978-08-31 | 1978-08-31 | Dc brushless motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10547278A JPS5534802A (en) | 1978-08-31 | 1978-08-31 | Dc brushless motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5534802A true JPS5534802A (en) | 1980-03-11 |
Family
ID=14408526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10547278A Pending JPS5534802A (en) | 1978-08-31 | 1978-08-31 | Dc brushless motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5534802A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56121360A (en) * | 1980-02-26 | 1981-09-24 | Shibaura Eng Works Co Ltd | Brushless motor |
JPH08191563A (en) * | 1994-06-29 | 1996-07-23 | Samsung Electro Mech Co Ltd | Linear magnetic resistance motor |
-
1978
- 1978-08-31 JP JP10547278A patent/JPS5534802A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56121360A (en) * | 1980-02-26 | 1981-09-24 | Shibaura Eng Works Co Ltd | Brushless motor |
JPH08191563A (en) * | 1994-06-29 | 1996-07-23 | Samsung Electro Mech Co Ltd | Linear magnetic resistance motor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68911570D1 (en) | Electric synchronous reluctance machine with special phase-adjusting means. | |
GB1343372A (en) | Permanent magnet motor | |
GB2022326A (en) | Electric motor with speed sensor | |
ES2195244T3 (en) | RELUCTANCE MOTOR. | |
JPS61180582U (en) | ||
JPS55106074A (en) | Moving-coil type linear motor | |
JPS5534802A (en) | Dc brushless motor | |
SE8205623D0 (en) | RELUCTANCE | |
GB1349746A (en) | Dynamo electric machines | |
JPS5785568A (en) | Step motor | |
JPS5323010A (en) | Commutatorless motor | |
SE8503134L (en) | ELECTRIC S C VALVE ENGINE | |
JPS5612831A (en) | Tubular potary electric machine | |
GB1232692A (en) | ||
FR1354298A (en) | Hall effect tacho generator | |
JPS5367819A (en) | Poled motor | |
JPS5389912A (en) | Dc brushless motor | |
JPS6416243A (en) | Axial flux type brushless motor | |
JPS5341706A (en) | Driving section of motor | |
JPS5653568A (en) | Motor with auxiliary stator | |
JPS5549963A (en) | Commutatorless dc motor | |
SU570157A1 (en) | Contactless synchronous generator | |
JPS5736570A (en) | Dc motor | |
FR2301953A1 (en) | DC motor with magnetic bridges between adjacent poles - to alter reluctance linearly and set speed-torque characteristics | |
FR2443760A1 (en) | Brushless dynamo for motor vehicle - has combined excitation field produced by excitation winding and permanent magnet |