Superconducting apparatus and vacuum container for the same
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0640535
(2009-12-17)
|
등록번호 |
US-8283816
(2012-10-09)
|
우선권정보 |
JP-2008-320762 (2008-12-17) |
발명자
/ 주소 |
- Ohashi, Yoshimasa
- Okumura, Nobuo
- Kusumi, Hidetoshi
|
출원인 / 주소 |
- Aisin Seiki Kabushiki Kaisha
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
A vacuum container for housing therein a superconducting apparatus includes first and second partition walls made of magnetic-permeable nonmetallic materials, respectively, and facing each other to form a vacuum heat insulation chamber that is adapted to cover a superconductor that generates a magne
A vacuum container for housing therein a superconducting apparatus includes first and second partition walls made of magnetic-permeable nonmetallic materials, respectively, and facing each other to form a vacuum heat insulation chamber that is adapted to cover a superconductor that generates a magnetic flux. The first and second partition walls are exposed to relatively higher and lower temperatures, respectively. The first partition wall includes a radiation surface emitting thermal radiation while the second partition wall includes an absorption surface absorbing the thermal radiation. One of the radiation surface and the absorption surface is provided with a metal layer group in an exposed manner relative to the other of the radiation surface and the absorption surface. The metal layer group includes a plurality of metal layers spaced apart from one another and the nonmetallic material appears between the plurality of metal layers.
대표청구항
▼
1. A vacuum container for housing therein a superconducting apparatus, comprising: first and second partition walls made of magnetic-permeable nonmetallic materials, respectively, and facing each other to form a vacuum heat insulation chamber that is adapted to cover a superconductor that generates
1. A vacuum container for housing therein a superconducting apparatus, comprising: first and second partition walls made of magnetic-permeable nonmetallic materials, respectively, and facing each other to form a vacuum heat insulation chamber that is adapted to cover a superconductor that generates a magnetic flux, the first and second partition walls being exposed to relatively higher and lower temperatures, respectively, the first partition wall including a radiation surface emitting thermal radiation, the second partition wall including an absorption surface absorbing the thermal radiation,wherein one of the radiation surface of the first partition wall and the absorption surface of the second partition wall is provided with a metal layer group in an exposed manner relative to the other of the radiation surface of the first partition wall and the absorption surface of the second partition wall, and the metal layer group includes a plurality of metal layers spaced apart from one another and the nonmetallic material appears between the plurality of metal layers. 2. The vacuum container according to claim 1, wherein one of the metal layers is formed of a material selected from the group consisting of a thin metallic film, a metallic foil, a metal tape, a metal film, a metal strip, a metal grain, a punching metal, and a metal mesh body. 3. The vacuum container according to claim 1, wherein the nonmetallic material appears as a mesh pattern between the metal layers adjacent to one another on one of the radiation surface of the first partition wall and the absorption surface of the second partition wall. 4. The vacuum container according to claim 1, wherein the metal layer group includes a plurality of first subsidiary metal layers spaced apart from one another and the nonmetallic material appears between the first subsidiary metal layers, and wherein each of the first subsidiary metal layers includes a plurality of second subsidiary metal layers spaced apart from one another and the nonmetallic material appears between the plurality of second subsidiary metal layers. 5. A superconducting apparatus, comprising: a magnetic field generating portion including a superconductor that generates a magnetic flux and a permeable core that allows penetration of the magnetic flux generated by the superconductor; anda vacuum container including first and second partition walls made of magnetic-permeable nonmetallic materials, respectively, and facing each other to form a vacuum heat insulation chamber that is adapted to cover the superconductor, the first and second partition walls being exposed to relatively higher and lower temperatures, respectively, the first partition wall including a radiation surface emitting thermal radiation, the second partition wall including an absorption surface absorbing thermal radiation,wherein one of the radiation surface of the first partition wall and the absorption surface of the second partition wall is provided with a metal layer group in an exposed manner relative to the other of the radiation surface of the first partition wall and the absorption surface of the second partition wall, and the metal layer group includes a plurality of metal layers spaced apart from one another and the nonmetallic material appears between the plurality of metal layers. 6. The superconducting apparatus according to claim 5, wherein the magnetic field generating portion includes a superconducting motor having a stator and a mover movable relative to the stator, and the superconductor configuring a superconducting coil is provided at one of the stator and the mover. 7. The superconducting apparatus according to claim 5, further comprising an extremely low temperature generating portion maintaining the superconducting coil at an extremely low temperature in order to maintain the superconducting coil in a superconducting state.
이 특허에 인용된 특허 (2)
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Yoshimura Hideto (Amagasaki JPX) Amano Toshiyuki (Amagasaki JPX), Cooling system for superconducting rotating machine.
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Inaguchi Takashi (Amagasaki JPX) Kodera Itsuo (Amagasaki JPX) Ohara Akinori (Amagasaki JPX) Amano Toshiyuki (Amagasaki JPX) Kawaguchi Takeo (Kobe JPX), Superconducting magnet and regenerative refrigerator for the magnet.
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