Title:
HEAT TRANSFER PIPE AND HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2021/095567
Kind Code:
A1
Abstract:
A heat transfer pipe (26) has formed therein a plurality of first flow paths (30A) disposed side by side. Each of the first flow paths (30A) has a cross-sectional shape of a rectangle elongated in a first direction (P) in which the plurality of first flow paths (30A) are disposed side by side. The first flow paths (30A) each have a plurality of protrusions (31) on the inner surface thereof. The ratio of the long-side length (L1a) and the short-side length (L1b) in the cross-sectional shape of each of the first flow paths (30A) is 1.1-1.5.
Inventors:
SATOU KEN (JP)
SAKAMAKI TOMOHIKO (JP)
UCHIDA KENGO (JP)
ORITANI YOSHIO (JP)
SAKAMAKI TOMOHIKO (JP)
UCHIDA KENGO (JP)
ORITANI YOSHIO (JP)
Application Number:
PCT/JP2020/040840
Publication Date:
May 20, 2021
Filing Date:
October 30, 2020
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B39/00; F24F1/18; F28D1/053; F28F1/02; F28F1/40; F28F13/06
Domestic Patent References:
| WO2018008134A1 | 2018-01-11 | |||
| WO2017141943A1 | 2017-08-24 | |||
| WO2016103437A1 | 2016-06-30 | |||
| WO2017073715A1 | 2017-05-04 |
Foreign References:
| JP2000018867A | 2000-01-18 | |||
| JPS5913877U | 1984-01-27 | |||
| JP2013019596A | 2013-01-31 | |||
| JP2002318086A | 2002-10-31 | |||
| JP2006162085A | 2006-06-22 | |||
| JP2000329487A | 2000-11-30 | |||
| JPH06300473A | 1994-10-28 | |||
| JP2000154987A | 2000-06-06 | |||
| JPH06185885A | 1994-07-08 | |||
| JP2009063228A | 2009-03-26 | |||
| JPH02166393A | 1990-06-27 | |||
| JP2009063228A | 2009-03-26 |
Other References:
See also references of EP 4060252A4
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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