Title:
HEAT RADIATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/087311
Kind Code:
A1
Abstract:
The present invention provides a heat radiation device and a refrigeration cycle which have improved heat radiation efficiency and can be made more compact. A core 21 is fitted into at least an inlet side of a tube 2-1, groove sections 23 are provided spirally on the outer circumference of the core 21, a spiral flow path 25 having a polygonal cross-section is provided between the groove sections 23 and the tube inner wall, and a heat radiation section 3 is provided on the outer circumference side of the spiral flow path 25.
Inventors:
SUZUKI TAKASHI (JP)
WASHIASHI JUNYA (JP)
LIU JUN (JP)
SHINOZAKI TAKASHI (JP)
OKADA MOTOYUKI (JP)
WASHIASHI JUNYA (JP)
LIU JUN (JP)
SHINOZAKI TAKASHI (JP)
OKADA MOTOYUKI (JP)
Application Number:
PCT/JP2017/039431
Publication Date:
May 09, 2019
Filing Date:
October 31, 2017
Export Citation:
Assignee:
SOPHIA SCHOOL CORP (JP)
KEIHIN CORP (JP)
ECORA・TECH CO LTD (JP)
FINETECH CO LTD (JP)
KEIHIN CORP (JP)
ECORA・TECH CO LTD (JP)
FINETECH CO LTD (JP)
International Classes:
F28F1/04; F28D1/047; F28F1/40
Domestic Patent References:
| WO2009125913A1 | 2009-10-15 | |||
| WO2016174826A1 | 2016-11-03 |
Foreign References:
| JP2013160479A | 2013-08-19 | |||
| JPS63223496A | 1988-09-16 | |||
| JPH0666459A | 1994-03-08 | |||
| JP2010210139A | 2010-09-24 | |||
| US20120160465A1 | 2012-06-28 |
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (JP)
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