JPH0288472U - - Google Patents
Info
- Publication number
- JPH0288472U JPH0288472U JP16445588U JP16445588U JPH0288472U JP H0288472 U JPH0288472 U JP H0288472U JP 16445588 U JP16445588 U JP 16445588U JP 16445588 U JP16445588 U JP 16445588U JP H0288472 U JPH0288472 U JP H0288472U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- pole piece
- rotating shaft
- electric machine
- sealing device
- 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 6
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000011553 magnetic fluid Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
Landscapes
- Motor Or Generator Cooling System (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図及び第3
図はそれぞれ従来の超電導回転電機のシール装置
の一例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、4は円筒磁石、9はシール膜、13は回転軸
である。なお、各図中、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 this invention, and FIGS.
Each figure is a sectional view showing an example of a conventional sealing device for a superconducting rotating electric machine. In the figure, 1 is a casing, 2 is a pole piece, 4 is a cylindrical magnet, 9 is a sealing film, and 13 is a rotating shaft. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
永久磁石と、前記ケーシング内に前記永久磁石を
挟んで両側に装着されたポールピースと、このポ
ールピースを貫通するとともに軸受により回転自
在に支承された回転軸とを備え、この回転軸と前
記ポールピースとの間に磁性流体により複数個の
リング状のシール膜が形成される超電導回転電機
のシール装置において、前記回転軸は9%Ni鋼
からなつていることを特徴とする超電導回転電機
のシール装置。 a casing, a permanent magnet installed in the casing, a pole piece installed in the casing on both sides with the permanent magnet in between, and a rotating shaft passing through the pole piece and rotatably supported by a bearing. In the sealing device for a superconducting rotating electric machine, in which a plurality of ring-shaped sealing films are formed between the rotating shaft and the pole piece by a magnetic fluid, the rotating shaft is made of 9% Ni steel. A sealing device for a superconducting rotating electric machine characterized by the following.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16445588U JPH0288472U (en) | 1988-12-21 | 1988-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16445588U JPH0288472U (en) | 1988-12-21 | 1988-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0288472U true JPH0288472U (en) | 1990-07-12 |
Family
ID=31450078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16445588U Pending JPH0288472U (en) | 1988-12-21 | 1988-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0288472U (en) |
-
1988
- 1988-12-21 JP JP16445588U patent/JPH0288472U/ja active Pending
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