Title:
極低温流体供給排出用装置および超電導装置
Document Type and Number:
Japanese Patent JP4602397
Kind Code:
B2
Abstract:
A cryogenic fluid supply/discharge device for supplying/discharging a cryogenic fluid to/from a plurality of internal space channels (25) in the rotor assembly (20) of a superconducting motor (2) comprising a rotary joint shaft (32) and a rotary joint (30) having a casing (38), wherein the casing (38) is provided with fixed connection ports (52, 54) at a plurality of axial positions corresponding, respectively, to rotary communicating holes (66) and rotary ring holes (62), a rotary ring (60) is secured to the outer circumference of the rotary joint shaft (32) at the position of every other rotary interconnection hole (66) in the axial direction, and portions of the rotary joint shaft (32) and the rotary ring (60), and a part of the casing provided with the fixed connection openings (50, 52, 54, 56) to come into contact with a cryogenic fluid are made of FRP exhibiting an excellent thermal insulation as compared with metal. The cryogenic fluid supply/discharge device exhibits an excellent thermal insulation and minimizes leakage of the cryogenic fluid to the outside.
Inventors:
Hidekazu Takahashi
Toshio Takeda
Toshio Takeda
Application Number:
JP2007500500A
Publication Date:
December 22, 2010
Filing Date:
January 23, 2006
Export Citation:
Assignee:
Eagle Industry Co., Ltd.
Ihi Co., Ltd.
Ihi Co., Ltd.
International Classes:
H02K55/00; F16J15/34; F16L27/08
Domestic Patent References:
| JPH0851767A | 1996-02-20 | |||
| JPH0425471U | 1992-02-28 | |||
| JPS60210160A | 1985-10-22 |
Attorney, Agent or Firm:
Hitoshi Maeda