JPS5857275U - Micro motor with built-in coolant conduit - Google Patents
Micro motor with built-in coolant conduitInfo
- Publication number
- JPS5857275U JPS5857275U JP15110881U JP15110881U JPS5857275U JP S5857275 U JPS5857275 U JP S5857275U JP 15110881 U JP15110881 U JP 15110881U JP 15110881 U JP15110881 U JP 15110881U JP S5857275 U JPS5857275 U JP S5857275U
- Authority
- JP
- Japan
- Prior art keywords
- built
- micro motor
- yoke
- micromotor
- permanent magnet
- 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
- Motor Or Generator Cooling System (AREA)
- Dc Machiner (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
第１図は本考案マイクロモータの要旨をなす固定子の一
実施例を示す縦断正面図、第２図は第１図のｎ−ｍ’線
断面図で固定子以下に歯科ハンドピースのほぼ全体を断
面で示すもの、第３図乃至第５図は本考案固定子の別の
実施態様を示す縦断正面図を夫々示している。
（符号の説明）、１・・・永久磁石、ｌａ、 ｌｂ・
・・半体、２・・・ヨーク、３．３ａ、 ３ｂ・・・
受容部、Ｃ・・・冷却媒体導管、ＳＴ・・・固定子、Ｓ
、 Ｎ・・・磁極点。
−第１図 ・ −第３図Fig. 1 is a longitudinal sectional front view showing one embodiment of the stator, which is the gist of the micromotor of the present invention, and Fig. 2 is a sectional view taken along the line nm' in Fig. 1, with almost the entire dental handpiece below the stator. 3 to 5 are longitudinal sectional front views showing other embodiments of the stator of the present invention. (Explanation of symbols), 1...Permanent magnet, la, lb.
...half body, 2...yoke, 3.3a, 3b...
Receiving part, C...Cooling medium conduit, ST...Stator, S
, N...Magnetic pole point. -Figure 1 ・ -Figure 3
Claims (1)
向に着磁され同−曲率及び弧分を有するほぼ半円弧状の
半体ｌａ、−ｉｂを対設した永久磁石１と、この永久磁
石１の外周全域を接触的に囲続するヨーク２とよりなる
固定子ＳＴを含むマイクロモータに於て、上記ヨーク２
の磁極点Ｓ、 Ｎもしくはその近傍に少なくとも１個
の冷却媒体導管Ｃの受容部３を含む−ことを特徴とする
冷却媒体導管内蔵型マイクロモータ。 ２ 受容部３が上記永久磁石１の直径線上に組対する一
対の受容部３ａ、 ３ｂであり導管Ｃが２つの受容部
３ａ、３ｂ内に夫々受容されている実用新案登録請求の
範囲第１項記載の冷却媒体導管内蔵型マイクロモータ。 ３ 受容部３がヨーク２の長手方向に沿って外周に設け
た凹欠溝である実用新案登録請求の範囲第１項記載の冷
却媒体導管内蔵型マイクロモータ。 ４ 受容部３がヨーク２の長手方向に沿って該ヨーク２
の厚み内を貫走した穿孔である実用新案登録請求の範囲
第１項記載の冷却媒体導管内蔵型マイクロモータ。[Claims for Utility Model Registration] 1. A cylindrical permanent magnet 1 magnetized in the radial direction or half bodies la, -ib magnetized in the radial direction and having a substantially semicircular arc shape and having the same curvature and arc. In a micromotor, the micromotor includes a stator ST consisting of a permanent magnet 1 and a yoke 2 that contacts and surrounds the entire outer periphery of the permanent magnet 1.
1. A micromotor with a built-in coolant conduit, characterized in that it includes a receiving part 3 for at least one coolant conduit C at or near the magnetic pole points S, N. 2. Utility model registration claim 1, wherein the receiving portion 3 is a pair of receiving portions 3a and 3b arranged on the diameter line of the permanent magnet 1, and the conduit C is received in the two receiving portions 3a and 3b, respectively. The described micro motor with built-in cooling medium conduit. 3. A micromotor with a built-in cooling medium conduit according to claim 1, wherein the receiving portion 3 is a notched groove provided on the outer periphery along the longitudinal direction of the yoke 2. 4 The receiving part 3 is attached to the yoke 2 along the longitudinal direction of the yoke 2.
A micro motor with a built-in cooling medium conduit according to claim 1, which is a perforation extending through the thickness of the micro motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15110881U JPS5857275U (en) | 1981-10-12 | 1981-10-12 | Micro motor with built-in coolant conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15110881U JPS5857275U (en) | 1981-10-12 | 1981-10-12 | Micro motor with built-in coolant conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5857275U true JPS5857275U (en) | 1983-04-18 |
Family
ID=29943799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15110881U Pending JPS5857275U (en) | 1981-10-12 | 1981-10-12 | Micro motor with built-in coolant conduit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5857275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019230178A1 (en) * | 2018-05-31 | 2019-12-05 | 日本電産株式会社 | Motor |
-
1981
- 1981-10-12 JP JP15110881U patent/JPS5857275U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019230178A1 (en) * | 2018-05-31 | 2019-12-05 | 日本電産株式会社 | Motor |
| JP2019213258A (en) * | 2018-05-31 | 2019-12-12 | 国立大学法人横浜国立大学 | motor |
| CN112204860A (en) * | 2018-05-31 | 2021-01-08 | 日本电产株式会社 | Motor |
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