JPS6437369U - - Google Patents
Info
- Publication number
- JPS6437369U JPS6437369U JP13091887U JP13091887U JPS6437369U JP S6437369 U JPS6437369 U JP S6437369U JP 13091887 U JP13091887 U JP 13091887U JP 13091887 U JP13091887 U JP 13091887U JP S6437369 U JPS6437369 U JP S6437369U
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- rotor
- motor according
- magnet
- utility
- 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
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Brushless Motors (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は同じくその要部断面図、第３図は同じくそ
の要部平面図、第４図はこの考案の他の実施例を
示す要部平面図、第５図はこの考案のさらに他の
実施例を示す要部平面図、第６図はこの考案のさ
らにまた他の実施例を示す要部平面図、第７図は
この考案のまたさらに他の実施例を示す要部断面
図、第８図は従来のブラシレスモータを示す断面
図である。
なお、各図中同一符号は同一または相当部分を
示し、２はステータ、５はロータ、８ａはロータ
本体、９はマグネツト、１３はスリツト、１５は
バツクヨークである。
Fig. 1 is a sectional view showing one embodiment of this invention, Fig. 2 is a sectional view of the main part thereof, Fig. 3 is a plan view of the main part thereof, and Fig. 4 is a sectional view showing another embodiment of this invention. 5 is a plan view of essential parts showing still another embodiment of this invention; FIG. 6 is a plan view of essential parts showing still another embodiment of this invention; FIG. 7 is a plan view of essential parts showing still another embodiment of this invention. FIG. 8 is a cross-sectional view of a conventional brushless motor. In each figure, the same reference numerals indicate the same or corresponding parts, 2 is a stator, 5 is a rotor, 8a is a rotor body, 9 is a magnet, 13 is a slit, and 15 is a back yoke.
Claims (1)
動可能に設けられたロータと、このロータに上記
ステータの周側壁と対向して設けられたマグネツ
トとを備え、上記ロータに上記マグネツトの磁束
の逃げを防止するスリツトを設けたことを特徴と
するブラシレスモータ。 (2) スリツトが複数個１条に設けられているこ
とを特徴とする実用新案登録請求の範囲第１項記
載のブラシレスモータ。 (3) スリツトが複数個複数条に設けられている
ことを特徴とする実用新案登録請求の範囲第１項
記載のブラシレスモータ。 (4) スリツトの長さがマグネツトの極の長さに
対応して形成されていることを特徴とする実用新
案登録請求の範囲第１項乃至第３項のいずれかに
記載のブラシレスモータ。 (5) ロータが非磁性体で形成されていることを
特徴とする実用新案登録請求の範囲第１項乃至第
４項のいずれかに記載のブラシレスモータ。 (6) ロータとマグネツトの間に強磁性体で形成
されたバツクヨークが設けられていることを特徴
とする実用新案登録請求の範囲第１項乃至第５項
のいずれかに記載のブラシレスモータ。[Claims for Utility Model Registration] (1) A stator, a rotor rotatably provided to cover the stator, and a magnet provided on the rotor to face the peripheral side wall of the stator, A brushless motor characterized in that the rotor is provided with a slit that prevents the magnetic flux of the magnet from escaping. (2) The brushless motor according to claim 1 of the utility model registration claim, characterized in that a plurality of slits are provided in one line. (3) The brushless motor according to claim 1 of the utility model registration claim, characterized in that a plurality of slits are provided in a plurality of strips. (4) The brushless motor according to any one of claims 1 to 3, wherein the length of the slit corresponds to the length of the pole of the magnet. (5) The brushless motor according to any one of claims 1 to 4, wherein the rotor is made of a non-magnetic material. (6) The brushless motor according to any one of claims 1 to 5, which is a registered utility model, characterized in that a back yoke made of a ferromagnetic material is provided between the rotor and the magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13091887U JPS6437369U (en) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13091887U JPS6437369U (en) | 1987-08-28 | 1987-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437369U true JPS6437369U (en) | 1989-03-07 |
Family
ID=31386511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13091887U Pending JPS6437369U (en) | 1987-08-28 | 1987-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0468477U (en) * | 1990-10-26 | 1992-06-17 |
-
1987
- 1987-08-28 JP JP13091887U patent/JPS6437369U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0468477U (en) * | 1990-10-26 | 1992-06-17 |