Title:
DOUBLE-CHANNEL TUBE FOR TRANSFERRING HEAT EXCHANGE FLUID
Document Type and Number:
WIPO Patent Application WO/2020/149435
Kind Code:
A1
Abstract:
The present invention relates to a double-channel tube for transferring heat exchange fluid. The double-channel tube for transferring heat exchange fluid comprises: an inner corrugated tube (10) having a flow channel formed therein, and having convex portions (11) and concave portions (12) that are continued at the same pitch along the outer circumferential surface; first and second flow channels (111, 121) that are respectively formed in the concave portions (11) and the convex portions (12); and an outer protective tube (CT) into which the inner corrugated tube (10) is inserted, wherein the first flow channel (111) is connected to the second flow channel (121) in both directions in a curved surface shape having different radii of curvature.
Inventors:
YOO JAE-GYEONG (KR)
Application Number:
PCT/KR2019/000791
Publication Date:
July 23, 2020
Filing Date:
January 18, 2019
Export Citation:
Assignee:
ZENI STAR CO LTD (KR)
International Classes:
F28D7/10; F28F1/06
Foreign References:
| KR101742085B1 | 2017-05-31 | |||
| JP2006162238A | 2006-06-22 | |||
| KR101709964B1 | 2017-02-27 | |||
| JPH10213387A | 1998-08-11 | |||
| KR20090029892A | 2009-03-24 |
Attorney, Agent or Firm:
YANG, Jeong-Kun (KR)
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