JPS6028476U - Motor with rotation speed detector - Google Patents
Motor with rotation speed detectorInfo
- Publication number
- JPS6028476U JPS6028476U JP11989883U JP11989883U JPS6028476U JP S6028476 U JPS6028476 U JP S6028476U JP 11989883 U JP11989883 U JP 11989883U JP 11989883 U JP11989883 U JP 11989883U JP S6028476 U JPS6028476 U JP S6028476U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- speed detection
- motor
- speed detector
- detection pattern
- 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
Landscapes
- Brushless Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
５第１図は従来の回転数検出器付モータを示す−・部を
破断した側面図、第り図は第１図の回転数検出用マグネ
ットの平′面図、第３図は第２図の回転数検出用マグネ
ットの半径方向の展開図、第４甲は回転数検出用パター
ンの平面図、第５図はこの考案の一実施例に使用する回
転数検出用マグネット部分の半径方向の展開図である。
□図中、１はホルダ、９はスピンドル、４
はステータヨーク、５は基板、６はコイル、７は回転数
検出用パ２−ン、１０はロータ、１１は駆動用マーグネ
ット、１３は回転数検出用マグネ゛ットである。なお、
図中の同一符号は同一または相当部分を示す。5. Figure 1 is a side view of a conventional motor with a rotation speed detector, with parts cut away; Figure 3 is a plan view of the rotation speed detection magnet shown in Figure 1; Figure 4 is a plan view of the rotational speed detection pattern, and Figure 5 is a radial expansion of the rotational speed detection magnet used in an embodiment of this invention. It is a diagram. □In the figure, 1 is the holder, 9 is the spindle, 4
1 is a stator yoke, 5 is a substrate, 6 is a coil, 7 is a rotation speed detection pattern, 10 is a rotor, 11 is a drive magnet, and 13 is a rotation speed detection magnet. In addition,
The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
数検出用パターンと対向する回転数検出用マグネットで
ロータの自転数を検出する回転数検出゛器付−−タにお
いて、前記回転数検出用マグネットの前記回転数検出用
パターレと対向する面を他の面から突出させ全体をギヤ
形状の凹凸面とじたこ・ とを特徴とする回転数
検出器付モータ。The rotation speed detection device detects the rotation speed of the rotor using a rotation speed detection pattern provided on a substrate and a rotation speed detection magnet facing the rotation speed detection pattern. A motor with a rotation speed detector, characterized in that the surface of the magnet for rotation facing the rotation speed detection pattern protrudes from the other surface, and the entire surface is formed into a gear-shaped uneven surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11989883U JPS6028476U (en) | 1983-08-01 | 1983-08-01 | Motor with rotation speed detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11989883U JPS6028476U (en) | 1983-08-01 | 1983-08-01 | Motor with rotation speed detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6028476U true JPS6028476U (en) | 1985-02-26 |
Family
ID=30274987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11989883U Pending JPS6028476U (en) | 1983-08-01 | 1983-08-01 | Motor with rotation speed detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6028476U (en) |
-
1983
- 1983-08-01 JP JP11989883U patent/JPS6028476U/en active Pending
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