JPH0317335U - - Google Patents
Info
- Publication number
- JPH0317335U JPH0317335U JP7551689U JP7551689U JPH0317335U JP H0317335 U JPH0317335 U JP H0317335U JP 7551689 U JP7551689 U JP 7551689U JP 7551689 U JP7551689 U JP 7551689U JP H0317335 U JPH0317335 U JP H0317335U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- magnetic
- yoke
- electromagnetic brake
- excitation coil
- 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
- Braking Arrangements (AREA)
Description
第１図ないし第３図は本考案に係る電磁ブレー
キの実施例を示し、第１図は本考案を適用した負
作動形電磁ブレーキの断面図、第２図はヨークの
正面図、第３図は本考案の他の実施例を第２図に
対応して示すヨークの正面図である。
４……ヨーク、４ｂ……外磁極面、４ｃ……内
磁極面、５……励磁コイル、１２……アーマチユ
ア、１２ｂ……磁極面。
1 to 3 show an embodiment of the electromagnetic brake according to the present invention, FIG. 1 is a sectional view of a negative actuation type electromagnetic brake to which the present invention is applied, FIG. 2 is a front view of the yoke, and FIG. 3 is a front view of the yoke. FIG. 2 is a front view of a yoke corresponding to FIG. 2, showing another embodiment of the present invention. 4... Yoke, 4b... Outer magnetic pole surface, 4c... Inner magnetic pole surface, 5... Excitation coil, 12... Armature, 12b... Magnetic pole surface.
Claims (1)
るアーマチユアを備え、これらヨークとアーマチ
ユアとを前記励磁コイルの磁束の磁気回路とする
電磁ブレーキにおいて、前記ヨークの磁極面とこ
の磁極面に対向する前記アーマチユアの磁極面と
の少なくとも一方の磁極面を凹凸形状にしてこの
磁極部分の磁路断面積を小さくしたことを特徴と
する電磁ブレーキ。 An electromagnetic brake includes an armature that is magnetically attracted to a yoke in which an excitation coil is disposed, and in which the yoke and the armature form a magnetic circuit for the magnetic flux of the excitation coil. An electromagnetic brake characterized in that at least one of the magnetic pole surfaces of the armature has an uneven shape to reduce the magnetic path cross-sectional area of this magnetic pole portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7551689U JPH0317335U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7551689U JPH0317335U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317335U true JPH0317335U (en) | 1991-02-20 |
Family
ID=31616159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7551689U Pending JPH0317335U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011099123A1 (en) * | 2010-02-10 | 2011-08-18 | 三菱電機株式会社 | Brake device for hoist for elevator |
-
1989
- 1989-06-29 JP JP7551689U patent/JPH0317335U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011099123A1 (en) * | 2010-02-10 | 2011-08-18 | 三菱電機株式会社 | Brake device for hoist for elevator |
| KR101361367B1 (en) * | 2010-02-10 | 2014-02-10 | 미쓰비시덴키 가부시키가이샤 | Brake device for hoist for elevator |
| JP5490154B2 (en) * | 2010-02-10 | 2014-05-14 | 三菱電機株式会社 | Brake device for elevator hoisting machine |
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