JPS62191360U - - Google Patents
Info
- Publication number
- JPS62191360U JPS62191360U JP7918886U JP7918886U JPS62191360U JP S62191360 U JPS62191360 U JP S62191360U JP 7918886 U JP7918886 U JP 7918886U JP 7918886 U JP7918886 U JP 7918886U JP S62191360 U JPS62191360 U JP S62191360U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- impregnated bearing
- rotor shaft
- protrusion
- positioning
- 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
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図は本考案に係る小型電動機の一実施例を
示す縦断面図、第２図は同上実施例をセンサを取
り除いた状態で示す縮小平面図、第３図は上記実
施例の平面図、第４図は上記実施例に用いられて
いるエンコーダデイスクの平面図、第５図は本考
案に係る小型電動機の別の実施例の要部を示す縦
断面図、第６図は同上実施例に用いられているエ
ンコーダデイスクの一部を示す平面図である。
１６，１７……含油軸受、１８……ロータ軸、
２０……ロータ、２０ａ……位置決め用突部、２
０ｂ……凹部、３６，３７……含油軸受、３８…
…ロータ軸、４０……ロータ、４２ａ……位置決
め用突部、４２ｂ……凹部。
FIG. 1 is a vertical sectional view showing an embodiment of a small electric motor according to the present invention, FIG. 2 is a reduced plan view of the same embodiment with the sensor removed, and FIG. 3 is a plan view of the above embodiment. FIG. 4 is a plan view of the encoder disk used in the above embodiment, FIG. 5 is a longitudinal sectional view showing the main part of another embodiment of the small electric motor according to the present invention, and FIG. 6 is a plan view of the encoder disk used in the above embodiment. FIG. 3 is a plan view showing a part of the encoder disk used. 16, 17...oil-impregnated bearing, 18...rotor shaft,
20...Rotor, 20a...Positioning protrusion, 2
0b... recess, 36, 37... oil-impregnated bearing, 38...
...Rotor shaft, 40...Rotor, 42a...Protrusion for positioning, 42b...Recess.
Claims (1)
上記含油軸受と対向するロータの側面に、エンコ
ーダデイスクの位置決め用突部を形成すると共に
この位置決め用突部よりもロータ軸側に上記含油
軸受からの油をためる凹部を設けたことを特徴と
する小型電動機。 The rotor shaft is rotatably supported by an oil-impregnated bearing,
A protrusion for positioning the encoder disk is formed on the side surface of the rotor facing the oil-impregnated bearing, and a recess for collecting oil from the oil-impregnated bearing is provided on the rotor shaft side of the positioning protrusion. small electric motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7918886U JPH0545094Y2 (en) | 1986-05-26 | 1986-05-26 | |
| KR2019870006710U KR900004836Y1 (en) | 1986-05-26 | 1987-05-04 | Encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7918886U JPH0545094Y2 (en) | 1986-05-26 | 1986-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62191360U true JPS62191360U (en) | 1987-12-05 |
| JPH0545094Y2 JPH0545094Y2 (en) | 1993-11-17 |
Family
ID=30928815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7918886U Expired - Lifetime JPH0545094Y2 (en) | 1986-05-26 | 1986-05-26 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0545094Y2 (en) |
| KR (1) | KR900004836Y1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008005640A (en) * | 2006-06-23 | 2008-01-10 | Seiko Instruments Inc | Electric motor and electronic apparatus |
| JP2011004590A (en) * | 2009-06-22 | 2011-01-06 | Moatech Co Ltd | Rotor support structure of slim step motor |
-
1986
- 1986-05-26 JP JP7918886U patent/JPH0545094Y2/ja not_active Expired - Lifetime
-
1987
- 1987-05-04 KR KR2019870006710U patent/KR900004836Y1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008005640A (en) * | 2006-06-23 | 2008-01-10 | Seiko Instruments Inc | Electric motor and electronic apparatus |
| JP2011004590A (en) * | 2009-06-22 | 2011-01-06 | Moatech Co Ltd | Rotor support structure of slim step motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545094Y2 (en) | 1993-11-17 |
| KR870018759U (en) | 1987-12-24 |
| KR900004836Y1 (en) | 1990-05-31 |