JPS6377464U - - Google Patents
Info
- Publication number
- JPS6377464U JPS6377464U JP17171586U JP17171586U JPS6377464U JP S6377464 U JPS6377464 U JP S6377464U JP 17171586 U JP17171586 U JP 17171586U JP 17171586 U JP17171586 U JP 17171586U JP S6377464 U JPS6377464 U JP S6377464U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- brushless motor
- rotor yoke
- salient pole
- pole teeth
- 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
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Brushless Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第１図は本考案のブラシレスモータの一実施例
を示す断面図、第２図及び第３図は第１図の要部
を示す斜視図、第４図は本考案に係るブラシレス
モータに用いる補助コイルの配線の一実施例を示
す結線図である。
１……ステータ部材（固定シリンダー）、５…
…軸受部（ボールベアリング）、９……スペーサ
板、１１……磁心、１５……突極歯、１７……中
空部、２１……補助コイル、２３……回路基板、
２５……駆動コイル、２７……ロータ、３５……
取付け部材、３７……副マグネツト。
Fig. 1 is a sectional view showing an embodiment of the brushless motor of the present invention, Figs. 2 and 3 are perspective views showing the main parts of Fig. 1, and Fig. 4 is an auxiliary device used in the brushless motor of the present invention. FIG. 2 is a wiring diagram showing an example of wiring of a coil. 1... Stator member (fixed cylinder), 5...
... bearing part (ball bearing), 9 ... spacer plate, 11 ... magnetic core, 15 ... salient pole tooth, 17 ... hollow part, 21 ... auxiliary coil, 23 ... circuit board,
25... Drive coil, 27... Rotor, 35...
Mounting member, 37... Sub-magnet.
Claims (1)
形成した中空部を、前記軸受部に合わせて前記ス
テータ部材に固定された磁心と、 前記突極歯に巻かれた複数の駆動コイルと、 前記突極歯の先端と僅かな間隔を置いてこれを
囲む駆動マグネツトを止着したロータヨークと、 該ロータヨークの回転中心部に取付けられ、前
記ロータヨークを前記ロータシヤフトに取付ける
取付け部材と、 を具備するブラシレスモータにおいて、 前記取付け部材に副マグネツトが形成され、該
副マグネツトに向けて前記磁心に形成された突出
部に、制動用の補助コイルを巻装したことを特徴
とするブラシレスモータ。 (2) ロータの回転停止時に、前記補助コイルが
短絡されてな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。[Claims for Utility Model Registration] (1) A stator member, a bearing portion attached to the stator member, a rotor shaft pivotally supported by the bearing portion, and a plurality of salient pole teeth extending radially; A hollow part formed in the center is aligned with the bearing part and includes a magnetic core fixed to the stator member, a plurality of drive coils wound around the salient pole teeth, and a small space between the tips of the salient pole teeth. A brushless motor comprising: a rotor yoke to which a drive magnet is fixedly attached surrounding the rotor yoke; and an attachment member attached to the rotational center of the rotor yoke for attaching the rotor yoke to the rotor shaft. A brushless motor characterized in that an auxiliary braking coil is wound around a protrusion formed on the magnetic core facing the sub magnet. (2) The brushless motor according to claim 1, wherein the auxiliary coil is short-circuited when the rotor stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17171586U JPS6377464U (en) | 1986-11-07 | 1986-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17171586U JPS6377464U (en) | 1986-11-07 | 1986-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6377464U true JPS6377464U (en) | 1988-05-23 |
Family
ID=31107597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17171586U Pending JPS6377464U (en) | 1986-11-07 | 1986-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6377464U (en) |
-
1986
- 1986-11-07 JP JP17171586U patent/JPS6377464U/ja active Pending