JPH03117363U - - Google Patents
Info
- Publication number
- JPH03117363U JPH03117363U JP2537690U JP2537690U JPH03117363U JP H03117363 U JPH03117363 U JP H03117363U JP 2537690 U JP2537690 U JP 2537690U JP 2537690 U JP2537690 U JP 2537690U JP H03117363 U JPH03117363 U JP H03117363U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic flux
- recess
- rotor magnet
- brushless motor
- sensor
- 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
- 230000004907 flux Effects 0.000 claims description 4
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の実施例に係るブラシレスモー
タの構成を示す中央断面図、第２図は第１図のロ
ータマグネツトの構成を示す平面図［図ａ］及び
中央断面図［図ｂ］、第３図はバランス部材の取
り付け状態を示す平面図［図ａ］及びその断面図
［図ｂ］、第４図はロータマグネツトの他の実施
例を示す図、第５図は従来のブラシレスモータの
構成を示す中央断面図である。
１０……ヨーク、１２……回転軸、１４……ス
テータ、１８……駆動コイル、２０……磁束セン
サ、２２……ロータマグネツト、２４，２８……
バランス部材、２６，１２６，２２６，３２６…
…ロータマグネツト、２６ａ，１２６ａ，２２６
ａ……凹部としての切込部、３２６ａ……凹部と
してのネジ孔。
Fig. 1 is a central sectional view showing the configuration of a brushless motor according to an embodiment of the present invention, and Fig. 2 is a plan view [Figure a] and a central sectional view [Figure b] showing the configuration of the rotor magnet in Fig. 1. , Fig. 3 is a plan view [Fig. a] and a cross-sectional view thereof [Fig. FIG. 2 is a central sectional view showing the configuration of a motor. 10... Yoke, 12... Rotating shaft, 14... Stator, 18... Drive coil, 20... Magnetic flux sensor, 22... Rotor magnet, 24, 28...
Balance member, 26, 126, 226, 326...
...Rotor magnet, 26a, 126a, 226
a...notch as a recess, 326a...screw hole as a recess.
Claims (1)
タマグネツトの磁束を磁束センサにて検知して駆
動コイルへの電流を制御するブラシレスモータに
おいて、 上記ロータマグネツトにおけるセンサ対向面部
分のセンサ対向領域外に凹部を設け、この凹部に
バランス部材を配設したことを特徴とするブラシ
レスモータ。[Scope of Claim for Utility Model Registration] In a brushless motor that has a rotor magnet and a magnetic flux sensor, the magnetic flux of the rotor magnet is detected by the magnetic flux sensor to control the current to the drive coil. A brushless motor characterized in that a recess is provided outside the sensor facing area of the surface portion, and a balance member is disposed in the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2537690U JPH03117363U (en) | 1990-03-13 | 1990-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2537690U JPH03117363U (en) | 1990-03-13 | 1990-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117363U true JPH03117363U (en) | 1991-12-04 |
Family
ID=31528310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2537690U Pending JPH03117363U (en) | 1990-03-13 | 1990-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117363U (en) |
-
1990
- 1990-03-13 JP JP2537690U patent/JPH03117363U/ja active Pending