Title:
ROTOR COOLER OF SUPERCONDUCTING DYNAMO-ELECTRIC MACHINE
Document Type and Number:
Japanese Patent JP2015226444
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To allow for cooling by free-standing refrigerant circulation in a refrigerant container, without supplying refrigerant from the outside of a dynamo-electric machine to a field superconducting coil of a superconducting dynamo-electric machine.SOLUTION: A rotor cooler of superconducting dynamo-electric machine includes a cold storage member 13 disposed on a rotating shaft 11, a refrigerant container 14 which is in contact with the outer peripheral surface of the cold storage member 13, and having refrigerant internally, and refrigerant circulation paths 17a-17d communicating with two places separated in the radial direction of the refrigerant container 14, having the shapes along the field superconducting coils 16a-16d, and disposed in contact therewith, or within a predetermined range thereof. Cooling by free-standing refrigerant circulation in the refrigerant container is possible, without supplying refrigerant from the outside of the dynamo-electric machine to the field superconducting coil of a superconducting dynamo-electric machine, by circulating the refrigerant in the refrigerant container 14 and refrigerant circulation paths 17a-17d, thereby maintaining the field superconducting coils 16a-16d at a low temperature of superconducting critical temperature or less.
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Inventors:
HIRANO SATORU
Application Number:
JP2014111894A
Publication Date:
December 14, 2015
Filing Date:
May 30, 2014
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD
International Classes:
H02K55/04
Attorney, Agent or Firm:
Toshiro Mitsuishi
Mitsuishi Shunpei
Yasuyuki Tanaka
Hiroshi Matsumoto
Tetsuzo Yamada
Mitsuishi Shunpei
Yasuyuki Tanaka
Hiroshi Matsumoto
Tetsuzo Yamada