Title:
HEAT TRANSFER PIPE AND METHOD FOR MANUFACTURING HEAT TRANSFER PIPE
Document Type and Number:
WIPO Patent Application WO/2021/014549
Kind Code:
A1
Abstract:
This heat transfer pipe is characterized by being provided with: an outer pipe (110); an inner pipe (12) that is inserted through the outer pipe (110) in a close contact manner and that forms a dual pipe together with the outer pipe (110); a through-hole formed so as to pass through the space between the outer circumferential surface of the outer pipe (110) and the inner circumferential surface of the inner pipe (120) in the longitudinal directions of the outer pipe (110) and the inner pipe (120); and a through-pipe (130) that is inserted through the through-hole and through which an optical fiber (200) for measuring the surface temperature of the dual pipe is inserted.
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Inventors:
NISHIDA HIDETAKA (JP)
Application Number:
PCT/JP2019/028750
Publication Date:
January 28, 2021
Filing Date:
July 23, 2019
Export Citation:
Assignee:
CHUGOKU ELECTRIC POWER (JP)
International Classes:
F22B37/38; F28F1/00; G01M99/00
Domestic Patent References:
| WO1991003337A1 | 1991-03-21 |
Foreign References:
| JPH0798254A | 1995-04-11 | |||
| JP2016042005A | 2016-03-31 | |||
| JPH05208203A | 1993-08-20 | |||
| US4671675A | 1987-06-09 | |||
| CN103727521A | 2014-04-16 | |||
| JP2013190229A | 2013-09-26 |
Other References:
See also references of EP 4006416A4
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
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