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Title:
A superconductivity rotating machine device provided with a refrigerant feeding-and-discarding device and it
Document Type and Number:
Japanese Patent JP5952714
Kind Code:
B2
Abstract:
Provided are a cooling medium supply/discharge device and a superconducting rotary machine which can reduce the axial length of the machine, with a simple structure. The cooling medium supply/discharge device comprises a cylindrical rotary casing (11) which is rotatable with a rotary shaft (10) of the rotor; a cylindrical stationary casing (21) fixed such that the stationary casing extends inward relative to the rotary casing (11) and coaxially with the rotary casing (11) and relative rotation between the stationary casing and the rotary casing (11) via a bearing (3) is allowed to occur; a first stationary cylindrical body (22) which is inserted into the stationary casing (21) such that the first stationary cylindrical body is not rotatable; a first rotary cylindrical body (12) which is inserted into the first stationary cylindrical body (22) with a gap such that the first rotary cylindrical body is rotatable together with the rotary shaft (10); a second stationary cylindrical body (23) which is inserted into the first stationary cylindrical body (12) such that the second stationary cylindrical body is not rotatable; and a second rotary cylindrical body (13) which is inserted into the first rotary cylindrical body (12), fitted to the second stationary cylindrical body (23) with a gap, and rotatable together with the rotary shaft (10).

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Inventors:
Katsuya Umemoto
High Yugo
Kiyoshi Aizawa
Application Number:
JP2012242026A
Publication Date:
July 13, 2016
Filing Date:
November 01, 2012
Export Citation:
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Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
H02K55/04
Domestic Patent References:
JP201166993A
JP2012143041A
JP2009290988A
Attorney, Agent or Firm:
Patent business corporation Yuko patent office



 
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