JPH03106870U - - Google Patents
Info
- Publication number
- JPH03106870U JPH03106870U JP1549990U JP1549990U JPH03106870U JP H03106870 U JPH03106870 U JP H03106870U JP 1549990 U JP1549990 U JP 1549990U JP 1549990 U JP1549990 U JP 1549990U JP H03106870 U JPH03106870 U JP H03106870U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotor yoke
- peripheral surface
- inner peripheral
- electric motor
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Brushless Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図は本考案にかかる電動機の実施例を示す
正面断面図、第２図は同上実施例におけるロータ
ヨーク部分の底面図、第３図は上記実施例におけ
るロータヨークとマグネツトの部分の展開正面断
面図、第４図は上記実施例にかかる電動機の特性
を示す線図、第５図は従来の電動機の例を示す正
面断面図、第６図は同上従来例におけるロータヨ
ークとマグネツトの部分の展開正面断面図、第７
図は上記従来例にかかる電動機の特性を示す線図
である。
６……ステータコア、７……マグネツト、８…
…ロータヨーク、７１……磁極、８１……透孔。
Fig. 1 is a front sectional view showing an embodiment of the electric motor according to the present invention, Fig. 2 is a bottom view of the rotor yoke portion in the same embodiment, and Fig. 3 is an exploded front sectional view of the rotor yoke and magnet portion in the above embodiment. , FIG. 4 is a diagram showing the characteristics of the electric motor according to the above embodiment, FIG. 5 is a front sectional view showing an example of a conventional electric motor, and FIG. 6 is an exploded front sectional view of the rotor yoke and magnet portion in the conventional example. Figure, 7th
The figure is a diagram showing the characteristics of the electric motor according to the conventional example. 6... Stator core, 7... Magnet, 8...
...Rotor yoke, 71...Magnetic pole, 81...Through hole.
Claims (1)
内側に当接させて円筒状のマグネツトを固着し、
このマグネツトの内周面に対向させてステータコ
アを配設してなる電動機において、上記ロータヨ
ークの底部には、上記マグネツトの各磁極の中央
に対応する位置をそれぞれ非磁性としたことを特
徴とする電動機。 A cylindrical magnet is fixed in contact with the inner peripheral surface and inside of the bottom of the almost cup-shaped rotor yoke,
The electric motor has a stator core arranged opposite to the inner peripheral surface of the magnet, wherein the bottom of the rotor yoke is made non-magnetic at positions corresponding to the centers of the respective magnetic poles of the magnet. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1549990U JPH03106870U (en) | 1990-02-19 | 1990-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1549990U JPH03106870U (en) | 1990-02-19 | 1990-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03106870U true JPH03106870U (en) | 1991-11-05 |
Family
ID=31518803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1549990U Pending JPH03106870U (en) | 1990-02-19 | 1990-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03106870U (en) |
-
1990
- 1990-02-19 JP JP1549990U patent/JPH03106870U/ja active Pending