JPS6235155U - - Google Patents
Info
- Publication number
- JPS6235155U JPS6235155U JP12840385U JP12840385U JPS6235155U JP S6235155 U JPS6235155 U JP S6235155U JP 12840385 U JP12840385 U JP 12840385U JP 12840385 U JP12840385 U JP 12840385U JP S6235155 U JPS6235155 U JP S6235155U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- sealing device
- magnetic material
- permanent magnet
- casing
- 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 8
- 239000000696 magnetic material Substances 0.000 claims 4
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000011553 magnetic fluid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
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 magnet holding frame, 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着され、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、上記円筒磁石を磁石保持元
が複数個形成された磁石保持枠と、上記磁石保持
枠の磁石保持穴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) 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項記載の超電導回
転電機のシール装置。 (3) 永久磁石は接着材料により磁石保持枠に固
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〜
第３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 inside the casing, and a cylindrical magnet inserted into the casing. a pair of pole pieces made of a magnetic material attached to both sides of the pole piece and supporting the rotation shaft via bearings; and a bush made of a magnetic material located on the inner peripheral side of each of the pole pieces and attached to the rotation shaft. , a plurality of sealing means for sealing between the bush and the pole piece using a magnetic fluid; 1. A sealing device for a superconducting rotating electrical machine, comprising a permanent magnet inserted into a magnet holding hole in a frame. (2) The sealing device for a superconducting rotating electric machine according to claim 1, wherein the permanent magnet has a cylindrical shape. (3) A sealing device for a superconducting rotating electrical machine according to claim 1 or 2, wherein the permanent magnet is fixed to the magnet holding frame with an adhesive material. (4) The scope of claims for utility model registration, paragraphs 1 to 3, characterized in that the permanent magnet is constituted by a rare earth magnet.
The sealing device for a superconducting rotating electric machine according to any one of Item 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12840385U JPS6235155U (en) | 1985-08-21 | 1985-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12840385U JPS6235155U (en) | 1985-08-21 | 1985-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235155U true JPS6235155U (en) | 1987-03-02 |
Family
ID=31024037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12840385U Pending JPS6235155U (en) | 1985-08-21 | 1985-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235155U (en) |
-
1985
- 1985-08-21 JP JP12840385U patent/JPS6235155U/ja active Pending
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