JPH01146762U - - Google Patents
Info
- Publication number
- JPH01146762U JPH01146762U JP3253388U JP3253388U JPH01146762U JP H01146762 U JPH01146762 U JP H01146762U JP 3253388 U JP3253388 U JP 3253388U JP 3253388 U JP3253388 U JP 3253388U JP H01146762 U JPH01146762 U JP H01146762U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- electric motor
- case
- protrusion
- rotor case
- 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
- 238000005245 sintering Methods 0.000 claims 1
Description
第１図は本考案に係る電動機用ロータの平面図
、第２図は第１図の−の線に沿つた断面図、
第３図は本考案に係る電動機用ロータとスピンド
ルハブとの分解斜視図。第４図は従来例の電動機
用ロータの平面図。第５図は第４図の−の線
に沿つた断面図。
Ｒ……ロータ、１……インデツクスパルス発生
用マグネツト、２……突起部、３……ロータケー
ス、４……ブツシユ、６……スピンドルハブ、７
……ドライブピン。
FIG. 1 is a plan view of a rotor for an electric motor according to the present invention, FIG. 2 is a sectional view taken along the - line in FIG. 1,
FIG. 3 is an exploded perspective view of a motor rotor and a spindle hub according to the present invention. FIG. 4 is a plan view of a conventional rotor for an electric motor. FIG. 5 is a sectional view taken along the - line in FIG. 4. R... Rotor, 1... Index pulse generation magnet, 2... Protrusion, 3... Rotor case, 4... Bush, 6... Spindle hub, 7
...Drive pin.
Claims (1)
のロータにおいて、ロータケース外周部に設けた
前記インデツクスパルス発生素子と所定の角度を
形成するように１個以上の突起部をロータケース
外周部に設けたことを特徴とする電動機用ロータ
。 ２ 前記突起部をロータケースと一体にプレス加
工により形成してなる請求項１記載の電動機用ロ
ータ。 ３ 前記突起部をロータケースと一体に焼結にて
形成した請求項１記載の電動機用ロータ。[Claims for Utility Model Registration] 1. In a rotor of a motor equipped with an index pulse generating element, one or more protrusions are provided on the outer periphery of the rotor case so as to form a predetermined angle with the index pulse generating element. A rotor for an electric motor, characterized in that the rotor is provided on the outer periphery of the rotor case. 2. The rotor for an electric motor according to claim 1, wherein the protrusion is formed integrally with the rotor case by press working. 3. The rotor for an electric motor according to claim 1, wherein the protrusion is integrally formed with the rotor case by sintering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3253388U JPH01146762U (en) | 1988-03-11 | 1988-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3253388U JPH01146762U (en) | 1988-03-11 | 1988-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146762U true JPH01146762U (en) | 1989-10-11 |
Family
ID=31259071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3253388U Pending JPH01146762U (en) | 1988-03-11 | 1988-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146762U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6221778B2 (en) * | 1979-04-06 | 1987-05-14 | Atokemu Soc | |
| JPH01129746A (en) * | 1987-11-12 | 1989-05-23 | Matsushita Electric Ind Co Ltd | Brushless motor |
-
1988
- 1988-03-11 JP JP3253388U patent/JPH01146762U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6221778B2 (en) * | 1979-04-06 | 1987-05-14 | Atokemu Soc | |
| JPH01129746A (en) * | 1987-11-12 | 1989-05-23 | Matsushita Electric Ind Co Ltd | Brushless motor |