JPS6235157U - - Google Patents
Info
- Publication number
- JPS6235157U JPS6235157U JP12840985U JP12840985U JPS6235157U JP S6235157 U JPS6235157 U JP S6235157U JP 12840985 U JP12840985 U JP 12840985U JP 12840985 U JP12840985 U JP 12840985U JP S6235157 U JPS6235157 U JP S6235157U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- pair
- sealing device
- machine according
- electric machine
- 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
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims 4
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000011553 magnetic fluid Substances 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Superconductive Dynamoelectric Machines (AREA)
Description
第１図はこの考案の一実施例による超電導回転
電機のシール装置を示す断面図、第２図はその縦
断面図、第３図は従来の超電導回転電機のシール
装置を示す断面図である。
図において、１はケーシング、２はポールピー
ス、６は回転軸、７はブツシユ、１０は円筒磁石
、１１は一対の磁石保持枠、１２は永久磁石であ
る。尚、図中同一符号は同一又は相当部分を示す
。
FIG. 1 is a sectional view showing a sealing device for a superconducting rotating electrical machine according to an embodiment of the invention, FIG. 2 is a longitudinal sectional view thereof, and FIG. 3 is a sectional view showing a conventional sealing device for a superconducting rotating electrical machine. In the figure, 1 is a casing, 2 is a pole piece, 6 is a rotating shaft, 7 is a bush, 10 is a cylindrical magnet, 11 is a pair of magnet holding frames, and 12 is a permanent magnet. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
体からなるケーシングと、上記ケーシング内に装
着された円筒磁石と、上記ケーシング内に上記円
筒磁石を挾んで両側に装置され、上記回転軸を軸
受を介して支承する磁性体からなる一対のポール
ピースと、上記各ポールピースの内周側に位置し
上記回転軸に装着された磁性体からなるブツシユ
と、このブツシユと上記ポールピースとの間に磁
性流体を用いてシールする複数のシール手段とを
備えたものにおいて、上記円筒磁石を、互いに相
対する一対の磁石保持溝が複数個形成され、外輪
及び内輪よりなる一対の磁石保持枠と、上記一対
の磁石保持枠の一対の磁石保持溝に挿着された永
久磁石とから構成したことを特徴とする超電導回
転電機のシール装置。 (2) 一対の磁石保持枠は接着材料により固定さ
れたことを特徴とする実用新案登録請求の範囲第
１項記載の超電導回転電機のシール装置。 (3) 永久磁石は円柱形状であることを特徴とす
る実用新案登録請求の範囲第１項又は第２項記載
の超電導回転電機のシール装置。 (4) 永久磁石は接着材料により一対の磁石保持
枠に固定されたことを特徴とする実用新案登録請
求の範囲第１項ないし第３項の何れかに記載の超
電導回転電機のシール装置。 (5) 永久磁石は希土類磁石により構成されたこ
とを特徴とする実用新案登録請求の範囲第１項な
いし第４項の何れかに記載の超電導回転電機のシ
ール装置。[Scope of Claim for Utility Model Registration] (1) A casing made of a magnetic material into which a rotating shaft made of a non-magnetic material is inserted, a cylindrical magnet mounted within the casing, and a cylindrical magnet sandwiched within the casing. a pair of pole pieces made of a magnetic material installed on both sides of the pole piece and supporting the rotation shaft via a bearing; and a bush made of a magnetic material located on the inner circumferential side of each of the pole pieces and attached to the rotation shaft. and a plurality of sealing means for sealing between the bush and the pole piece using a magnetic fluid, wherein a plurality of pairs of magnet holding grooves facing each other are formed to hold the cylindrical magnet, and the outer ring and the 1. A sealing device for a superconducting rotating electric machine, comprising a pair of magnet holding frames made of an inner ring, and permanent magnets inserted into a pair of magnet holding grooves of the pair of magnet holding frames. (2) A sealing device for a superconducting rotating electric machine according to claim 1, wherein the pair of magnet holding frames are fixed with an adhesive material. (3) A sealing device for a superconducting rotating electric machine according to claim 1 or 2 of the utility model registration claim, wherein the permanent magnet has a cylindrical shape. (4) A sealing device for a superconducting rotating electric machine according to any one of claims 1 to 3 of the utility model registration claim, wherein the permanent magnet is fixed to a pair of magnet holding frames with an adhesive material. (5) The sealing device for a superconducting rotating electrical machine according to any one of claims 1 to 4 of the claims for utility model registration, wherein the permanent magnet is constituted by a rare earth magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12840985U JPS6235157U (en) | 1985-08-21 | 1985-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12840985U JPS6235157U (en) | 1985-08-21 | 1985-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235157U true JPS6235157U (en) | 1987-03-02 |
Family
ID=31024049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12840985U Pending JPS6235157U (en) | 1985-08-21 | 1985-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02302955A (en) * | 1989-05-17 | 1990-12-14 | Funai Denki Kenkyusho:Kk | Method for controlling tape speed at time of search and the like |
-
1985
- 1985-08-21 JP JP12840985U patent/JPS6235157U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02302955A (en) * | 1989-05-17 | 1990-12-14 | Funai Denki Kenkyusho:Kk | Method for controlling tape speed at time of search and the like |
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