JPS61120281U - - Google Patents
Info
- Publication number
- JPS61120281U JPS61120281U JP382585U JP382585U JPS61120281U JP S61120281 U JPS61120281 U JP S61120281U JP 382585 U JP382585 U JP 382585U JP 382585 U JP382585 U JP 382585U JP S61120281 U JPS61120281 U JP S61120281U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- face
- rotor magnet
- rotor
- 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
- 230000004907 flux Effects 0.000 claims 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
ので、第１図は縦断側面図、第２図は要部の拡大
縦断側面図であり、第３図は従来構造を示す第２
図相当図である。
図中、１はステータヨーク、２は電機子コイル
、４はロータヨーク、７は位置検出素子、１１は
静止部材、１４はロータマグネツト、１４ｂは軸
方向端面、１５は周波数発電用の補助マグネツト
、１６は切欠部を示す。
Figures 1 and 2 show an embodiment of the present invention; Figure 1 is a vertical side view, Figure 2 is an enlarged vertical side view of the main parts, and Figure 3 is a diagram showing the conventional structure. 2
It is a figure equivalent figure. In the figure, 1 is a stator yoke, 2 is an armature coil, 4 is a rotor yoke, 7 is a position detection element, 11 is a stationary member, 14 is a rotor magnet, 14b is an axial end face, 15 is an auxiliary magnet for frequency power generation, 16 indicates a notch.
Claims (1)
このステータヨークとラジアル方向に対向するよ
うにロータヨークに設けられたロータマグネツト
と、このロータマグネツトの軸方向端面と対向し
てその漏洩磁束と鎖交するように静止部材側に配
置された位置検出素子とからなり、前記ロータマ
グネツトの前記位置検出素子と対向する軸方向端
面に切欠部を形成したことを特徴とするブラシレ
スモータ。 ２ ロータマグネツトはその切欠部の外側に周波
数信号発電用の補助マグネツトを一体に形成して
いることを特徴とする実用新案登録請求の範囲第
１項に記載のブラシレスモータ。 ３ ロータマグネツトが補助マグネツトと共にプ
ラスチツクマグネツトにより一体成形されている
ことを特徴とする実用新案登録請求の範囲第１項
に記載のブラシレスモータ。[Claims for Utility Model Registration] 1. A stator yoke wrapped with an armature coil,
A rotor magnet provided on the rotor yoke so as to face the stator yoke in the radial direction, and a position placed on the stationary member side so as to face the axial end face of the rotor magnet and interlink with the leakage magnetic flux. What is claimed is: 1. A brushless motor comprising a detecting element, wherein a notch is formed in an axial end face of the rotor magnet facing the position detecting element. 2. The brushless motor according to claim 1, wherein the rotor magnet is integrally formed with an auxiliary magnet for frequency signal generation on the outside of the notch. 3. The brushless motor according to claim 1, wherein the rotor magnet is integrally molded with the auxiliary magnet from a plastic magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP382585U JPS61120281U (en) | 1985-01-16 | 1985-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP382585U JPS61120281U (en) | 1985-01-16 | 1985-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61120281U true JPS61120281U (en) | 1986-07-29 |
Family
ID=30478817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP382585U Pending JPS61120281U (en) | 1985-01-16 | 1985-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120281U (en) |
-
1985
- 1985-01-16 JP JP382585U patent/JPS61120281U/ja active Pending