JPS6181778U - - Google Patents
Info
- Publication number
- JPS6181778U JPS6181778U JP16506184U JP16506184U JPS6181778U JP S6181778 U JPS6181778 U JP S6181778U JP 16506184 U JP16506184 U JP 16506184U JP 16506184 U JP16506184 U JP 16506184U JP S6181778 U JPS6181778 U JP S6181778U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- yoke
- magnet
- signal
- brushless 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
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Brushless Motors (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
第１図は本考案の実施例としてのブラシレスモ
ータを一部を破断して示す側面図、第２図はその
ヨークと界磁用マグネツトを示す斜視図、第３図
は同じく界磁用マグネツトの構成を示す斜視図、
第４図は従来例としてのブラシレスモータを示す
一部に断面を含む側面図、第５図はそのヨーク部
分の構成を示す斜視図である。図において、１は
モータ軸、４はステータコア、７はスロツト、８
は駆動用コイル、９はステータ、１１は検出素子
、１４はロータ、１５はヨーク、１６は界磁用マ
グネツト、１７は信号用マグツネツト、１８は切
欠部である。なお、図中同一符号は同一又は相当
部分を示す。
Figure 1 is a partially cutaway side view of a brushless motor as an embodiment of the present invention, Figure 2 is a perspective view of its yoke and field magnet, and Figure 3 is a field magnet. A perspective view showing the configuration;
FIG. 4 is a side view partially including a cross section showing a brushless motor as a conventional example, and FIG. 5 is a perspective view showing the configuration of a yoke portion thereof. In the figure, 1 is the motor shaft, 4 is the stator core, 7 is the slot, and 8 is the motor shaft.
1 is a drive coil, 9 is a stator, 11 is a detection element, 14 is a rotor, 15 is a yoke, 16 is a field magnet, 17 is a signal magnet, and 18 is a notch. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
号用の磁界を生ずる信号用マグネツトと、この信
号用マグネツトによつてロータの位置を検出する
ホール素子等の固定の検出素子を有するブラシレ
スモータであつて、前記信号用マグネツトがロー
タのヨークに固定される界磁用マグネツトの一部
に界磁用マグネツトと一体に形成されかつ、前記
ヨークの外周に形成された切欠部からヨークの外
周部に呈出されている構成のブラシレスモータ。 A brushless motor having a signal magnet that is provided on the rotor and rotates together with the rotor to generate a rotation signal magnetic field, and a fixed detection element such as a Hall element that detects the position of the rotor using the signal magnet, The signal magnet is formed integrally with a part of the field magnet fixed to the yoke of the rotor, and is exposed to the outer periphery of the yoke from a notch formed on the outer periphery of the yoke. Brushless motor with configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16506184U JPS6181778U (en) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16506184U JPS6181778U (en) | 1984-10-31 | 1984-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181778U true JPS6181778U (en) | 1986-05-30 |
Family
ID=30722923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16506184U Pending JPS6181778U (en) | 1984-10-31 | 1984-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181778U (en) |
-
1984
- 1984-10-31 JP JP16506184U patent/JPS6181778U/ja active Pending