Title:
超電導モータの冷却構造
Document Type and Number:
Japanese Patent JP4680584
Kind Code:
B2
Abstract:
In a cooling structure of a superconducting motor in which a superconducting coil 22 is attached to a rotor, grooves 24, 25, and 26 are concavely provided on an outer surface of a rotating shaft 23 that penetrates and is fixed to the rotor 17. A refrigerant is circulated through a refrigerant circulation pipe 33 disposed inside the grooves 24, 25, and 26 so that the superconducting coil 22 is cooled by the refrigerant.
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Inventors:
Toru Okazaki
Shingo Ohashi
Hidehiko Sugimoto
Toshio Takeda
Shingo Ohashi
Hidehiko Sugimoto
Toshio Takeda
Application Number:
JP2004374707A
Publication Date:
May 11, 2011
Filing Date:
December 24, 2004
Export Citation:
Assignee:
住友電気工業株式会社
株式会社IHI
国立大学法人福井大学
株式会社日立製作所
富士電機システムズ株式会社
大陽日酸株式会社
株式会社IHI
国立大学法人福井大学
株式会社日立製作所
富士電機システムズ株式会社
大陽日酸株式会社
International Classes:
H02K3/24; H02K9/19; H02K55/04
Domestic Patent References:
| JP2003033000A |
Foreign References:
| US4208598 | ||||
| US3009072 | ||||
| US7667358 |
Attorney, Agent or Firm:
Kazumi Owada