JPH02129170U - - Google Patents
Info
- Publication number
- JPH02129170U JPH02129170U JP3601989U JP3601989U JPH02129170U JP H02129170 U JPH02129170 U JP H02129170U JP 3601989 U JP3601989 U JP 3601989U JP 3601989 U JP3601989 U JP 3601989U JP H02129170 U JPH02129170 U JP H02129170U
- Authority
- JP
- Japan
- Prior art keywords
- notch
- stator
- exposed
- rotor
- rotary magnet
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は同じくロータ６の平面図、第３図は同じく
第２図の側面図、第４図ａ，ｂは同じくインデツ
クス検出素子１１出力とインデツクスパルス波形
を示す波形図、第５図はこの考案の他の実施例を
示す側面図、第６図は従来の電動機を示す断面図
、第７図ａ，ｂは同じくインデツクス検出素子１
１出力とインデツクスパルス波形を示す波形図で
ある。
なお、各図中同一符号は同一または相当部分を
示し、３……ステータ、６……ロータ、７……回
転用マグネツト、８……切欠き、９……ロータヨ
ーク、１１……インデツクス検出素子である。
FIG. 1 is a sectional view showing an embodiment of the invention, FIG. 2 is a plan view of the rotor 6, FIG. 3 is a side view of the same as in FIG. 2, and FIGS. A waveform diagram showing output and index pulse waveforms, FIG. 5 is a side view showing another embodiment of this invention, FIG. 6 is a sectional view showing a conventional electric motor, and FIGS. 7a and b also show the index detection element. 1
FIG. 1 is a waveform diagram showing one output and an index pulse waveform. In addition, the same reference numerals in each figure indicate the same or equivalent parts, 3... stator, 6... rotor, 7... rotating magnet, 8... notch, 9... rotor yoke, 11... index detection element. be.
Claims (1)
極が着磁された回転用マグネツトを設けるととも
に、この回転用マグネツトの一部が外周に露出す
るよう切欠きを形成したロータヨークを設けたロ
ータと、上記切欠きに対向して設けられたインデ
ツクス検出素子とを備え、上記切欠きに上記回転
用マグネツトのＮ極Ｓ極の両方が露出するよう磁
極の境界を設けた電動機。 N pole S facing the stator and the circumferential side of this stator
A rotor is provided with a rotary magnet whose poles are magnetized, a rotor yoke with a notch formed so that a part of the rotary magnet is exposed on the outer periphery, and an index detection device provided opposite the notch. and a magnetic pole boundary is provided in the notch so that both north and south poles of the rotating magnet are exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3601989U JPH02129170U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3601989U JPH02129170U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02129170U true JPH02129170U (en) | 1990-10-24 |
Family
ID=31541884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3601989U Pending JPH02129170U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02129170U (en) |
-
1989
- 1989-03-29 JP JP3601989U patent/JPH02129170U/ja active Pending