JPH0222037U - - Google Patents
Info
- Publication number
- JPH0222037U JPH0222037U JP9701588U JP9701588U JPH0222037U JP H0222037 U JPH0222037 U JP H0222037U JP 9701588 U JP9701588 U JP 9701588U JP 9701588 U JP9701588 U JP 9701588U JP H0222037 U JPH0222037 U JP H0222037U
- Authority
- JP
- Japan
- Prior art keywords
- shield ring
- coefficient
- thermal expansion
- ring
- shield
- 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
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Frames (AREA)
Description
第１図は本考案にかかるモータの一実施例の構
成図、第２図は第１図の要部構成図である。
１……ハウジング、１１……ハウジングリング
、１４……シールドリング、１５……ステータコ
ア、２……ハブ、３……軸受。
FIG. 1 is a block diagram of an embodiment of a motor according to the present invention, and FIG. 2 is a block diagram of the main parts of FIG. 1... Housing, 11... Housing ring, 14... Shield ring, 15... Stator core, 2... Hub, 3... Bearing.
Claims (1)
ータにおいて、 ステータは、 非磁性体材料で構成された円筒状のシールドリ
ングの外周面にはステータコアを、内周面にハウ
ジングリングをそれぞれ固定してシールドリング
をサンドイツチ状に挾込んだ構成になつていて、 前記シールドリングの熱膨脹係数は次式で与え
られることを特徴とするモータ。 α２＝（α３ｒ２―α１ｒ１）／（ｒ２―ｒ１
） α１：ハウジングリングの熱膨脹係数 α２：シールドリングの熱膨脹係数 α３：ステータコアの熱膨脹係数 ｒ１：シールドリングの内周半径 ｒ２：シールドリングの外周半径。[Claims for Utility Model Registration] In an outer rotor type direct drive motor, the stator has a stator core on the outer circumferential surface of a cylindrical shield ring made of non-magnetic material, and a housing ring on the inner circumferential surface. 1. A motor characterized in that the shield ring is sandwiched in a sandwich shape by fixing the shield rings, respectively, and the coefficient of thermal expansion of the shield ring is given by the following equation. α 2 = (α 3 r 2 - α 1 r 1 )/(r 2 - r 1
) α 1 : Coefficient of thermal expansion of the housing ring α 2 : Coefficient of thermal expansion of the shield ring α 3 : Coefficient of thermal expansion of the stator core r 1 : Inner radius of the shield ring r 2 : Outer radius of the shield ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9701588U JPH0628928Y2 (en) | 1988-07-22 | 1988-07-22 | motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9701588U JPH0628928Y2 (en) | 1988-07-22 | 1988-07-22 | motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0222037U true JPH0222037U (en) | 1990-02-14 |
| JPH0628928Y2 JPH0628928Y2 (en) | 1994-08-03 |
Family
ID=31322198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9701588U Expired - Lifetime JPH0628928Y2 (en) | 1988-07-22 | 1988-07-22 | motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628928Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03120681U (en) * | 1990-03-23 | 1991-12-11 |
-
1988
- 1988-07-22 JP JP9701588U patent/JPH0628928Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03120681U (en) * | 1990-03-23 | 1991-12-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628928Y2 (en) | 1994-08-03 |
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