JPS5571163A - Rotary electric machine - Google Patents
Rotary electric machineInfo
- Publication number
- JPS5571163A JPS5571163A JP14548978A JP14548978A JPS5571163A JP S5571163 A JPS5571163 A JP S5571163A JP 14548978 A JP14548978 A JP 14548978A JP 14548978 A JP14548978 A JP 14548978A JP S5571163 A JPS5571163 A JP S5571163A
- Authority
- JP
- Japan
- Prior art keywords
- recesses
- winding
- field section
- face
- auxiliary
- 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
- 238000004804 winding Methods 0.000 abstract 8
Landscapes
- Brushless Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
PURPOSE:To reduce the cogging force of a rotary electric machine, by providing auxiliary recesses on an armature core having a plurality of winding recesses so that the auxiliary recesses face a field section. CONSTITUTION:A field section 2 made of a permanent magnet having a plurality of N-poles and S-poles alternately is mounted on a rotor 1. An armature core 3 having winding recesses 6a-6l is secured in face of the magnetic poles of the field section 2. Prescribed windings are provided in the winding recesses 6a-6l so that the windings are overlapped with one another. Auxiliary recesses 7a-7l of less depth than the winding recesses 6a-6l are provided on the tops of projecting parts 4a-4l which are located between the winding recesses and face the magnetic poles of the field section 2. The winding recesses 6a-6l and the auxiliary recesses 7a- 7l are located at an almost equiangular spacing as to the center of gyration. As a result, the order of fundamental harmonic component of cogging force is increased, namely, the cogging force is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14548978A JPS5571163A (en) | 1978-11-24 | 1978-11-24 | Rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14548978A JPS5571163A (en) | 1978-11-24 | 1978-11-24 | Rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5571163A true JPS5571163A (en) | 1980-05-29 |
Family
ID=15386435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14548978A Pending JPS5571163A (en) | 1978-11-24 | 1978-11-24 | Rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5571163A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692645A (en) * | 1984-07-11 | 1987-09-08 | Matsushita Electric Industrial Co., Ltd. | Rotating electric motor with reduced cogging torque |
| US4782272A (en) * | 1985-06-28 | 1988-11-01 | Kollmorgen Technologies Corporation | Electrical drive systems |
| JPH0191640A (en) * | 1987-09-30 | 1989-04-11 | Aisin Seiki Co Ltd | Dc motor |
| US5173651A (en) * | 1985-06-28 | 1992-12-22 | Kollmorgen Technologies Corporation | Electrical drive systems |
-
1978
- 1978-11-24 JP JP14548978A patent/JPS5571163A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692645A (en) * | 1984-07-11 | 1987-09-08 | Matsushita Electric Industrial Co., Ltd. | Rotating electric motor with reduced cogging torque |
| US4782272A (en) * | 1985-06-28 | 1988-11-01 | Kollmorgen Technologies Corporation | Electrical drive systems |
| US5173651A (en) * | 1985-06-28 | 1992-12-22 | Kollmorgen Technologies Corporation | Electrical drive systems |
| JPH0191640A (en) * | 1987-09-30 | 1989-04-11 | Aisin Seiki Co Ltd | Dc motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES8600579A1 (en) | Alternating current synchronous servomotor. | |
| ES8606747A1 (en) | Electrodynamic Vernier machine. | |
| JPS5472410A (en) | Revolving electrical machinery | |
| JPS5571162A (en) | Rotary electric machine | |
| JPS56153961A (en) | Rotary electric machine | |
| JPS5571163A (en) | Rotary electric machine | |
| JPS5499910A (en) | Electric motor | |
| JPS54148214A (en) | Permanent-magnet-type synchronous motor | |
| JPS5513633A (en) | Electric motor | |
| JPS57110063A (en) | Power generator | |
| JPS5388108A (en) | Direct current brush-less motors | |
| JPS5780252A (en) | Rotor of permanent magnet type synchronous motor | |
| JPS57186965A (en) | Rotor for permanent-magnet type synchronous motor | |
| JPS5574347A (en) | Electrical rotary machine | |
| JPS56157247A (en) | Rotary electrical machine and apparatus | |
| JPS57122663A (en) | Brushless motor | |
| JPS5549962A (en) | Rotary electric machine of permanent magnet | |
| JPS57145556A (en) | Electric rotary machine | |
| JPS5454218A (en) | Revolving electric machine | |
| JPS5444708A (en) | Dc brushless motor | |
| JPS5671438A (en) | Rotary electric machine | |
| JPS5722367A (en) | Commutatorless motor | |
| JPS53147216A (en) | Electric revolving machine | |
| JPS5795172A (en) | Coreless type motor | |
| JPS6423750A (en) | Rotor structure of three-phase ac synchronous motor |