JPH02129174U - - Google Patents
Info
- Publication number
- JPH02129174U JPH02129174U JP3694189U JP3694189U JPH02129174U JP H02129174 U JPH02129174 U JP H02129174U JP 3694189 U JP3694189 U JP 3694189U JP 3694189 U JP3694189 U JP 3694189U JP H02129174 U JPH02129174 U JP H02129174U
- Authority
- JP
- Japan
- Prior art keywords
- case
- stator core
- detection element
- speed detection
- bearing housing
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Induction Machinery (AREA)
Description
第１図は本考案装置の取付状態を示す電動機の
縦断面図、第２図は第１図の要部拡大断面図、第
３図は本考案装置の他の実施例を示す電動機の縦
断面図、第４図は第３図の要部拡大縦断面図、第
５図は第４図の要部横断平面図、第６図は同上の
斜視図、第７図は従来装置の取付状態を示す電動
機の縦断面図である。
１……固定子鉄心、２……コイル、２ａ……コ
イルエンド部、３，３ａ……ケース、４……回転
子、４ａ……エンドリング、Ｓ……空所、ａ……
２重壁部、１０……速度検出素子、１３……プリ
ント基板、２１ａ……軸受筺、２３……永久磁石
。
Fig. 1 is a longitudinal cross-sectional view of the electric motor showing the installed state of the device of the present invention, Fig. 2 is an enlarged cross-sectional view of the main part of Fig. 1, and Fig. 3 is a longitudinal cross-section of the electric motor showing another embodiment of the device of the present invention. Figure 4 is an enlarged vertical sectional view of the main part of Figure 3, Figure 5 is a cross-sectional plan view of the main part of Figure 4, Figure 6 is a perspective view of the same as above, and Figure 7 shows the installed state of the conventional device. FIG. 3 is a longitudinal cross-sectional view of the electric motor shown in FIG. 1... Stator core, 2... Coil, 2a... Coil end portion, 3, 3a... Case, 4... Rotor, 4a... End ring, S... Blank space, a...
Double wall portion, 10... Speed detection element, 13... Printed circuit board, 21a... Bearing casing, 23... Permanent magnet.
Claims (1)
子軸を回転自在に支承する軸受が嵌合する軸受筺
を、外周部を２重壁状に形成して前記ケース底面
を平坦状となし、このケースの底面内側の軸受筺
外周と固定子鉄心に巻回したコイルのエンド部と
の間において狭隘な空所を形成し、この空所に、
ケース底面側に回転速度検出素子を、固定子鉄心
に挿入される回転子のエンドリングには永久磁石
を、互いに近接させて配置するようにしたことを
特徴とする誘導電動機の速度検出素子取付装置。 A bearing housing into which a bearing that rotatably supports the rotor shaft is fitted is formed on the bottom of the case that accommodates and fixes the stator core, and the outer peripheral portion thereof is formed into a double wall shape so that the bottom of the case is flat. A narrow space is formed between the outer periphery of the bearing housing inside the bottom of the case and the end of the coil wound around the stator core, and in this space,
A speed detection element mounting device for an induction motor, characterized in that a rotation speed detection element is disposed on the bottom side of the case, and a permanent magnet is disposed close to each other on the end ring of the rotor inserted into the stator core. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3694189U JPH0733579Y2 (en) | 1989-03-29 | 1989-03-29 | Induction motor speed detection element mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3694189U JPH0733579Y2 (en) | 1989-03-29 | 1989-03-29 | Induction motor speed detection element mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02129174U true JPH02129174U (en) | 1990-10-24 |
| JPH0733579Y2 JPH0733579Y2 (en) | 1995-07-31 |
Family
ID=31543616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3694189U Expired - Fee Related JPH0733579Y2 (en) | 1989-03-29 | 1989-03-29 | Induction motor speed detection element mounting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733579Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07274443A (en) * | 1994-03-30 | 1995-10-20 | Aichi Electric Co Ltd | Mounting device for speed-detecting element in induction motor |
-
1989
- 1989-03-29 JP JP3694189U patent/JPH0733579Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07274443A (en) * | 1994-03-30 | 1995-10-20 | Aichi Electric Co Ltd | Mounting device for speed-detecting element in induction motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733579Y2 (en) | 1995-07-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |