HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE

WIPO Patent Application WO/2018/207321

A1

A heat exchanger relating to the present invention is provided with: a fin, which has a first through hole and a second through hole formed therein, and a first end portion and a second end portion; a first heat transfer tube inserted into the first through hole; and a second heat transfer tube inserted into the second through hole. When a virtual straight line passing end portions of the first heat transfer tube and the second heat transfer tube, said end portions being on the first end portion side, is defined as a first virtual straight line, a virtual straight line passing end portions of the first heat transfer tube and the second heat transfer tube, said end portions being on the second end portion side, is defined as a second virtual straight line, a region between the first end portion and the first virtual straight line is defined as a first drain region, a region between the second end portion and the second virtual straight line is defined as a second drain region, and a region surrounded by the first heat transfer tube, the second heat transfer tube, the first virtual straight line, and the second virtual straight line is defined as a water conducting region, a first trench inclined downward toward the first drain region, and a second trench tilted downward toward the second drain region are formed in the water conducting region.

MAEDA TSUYOSHI (JP)
NAKAMURA SHIN (JP)
YATSUYANAGI AKIRA (JP)

PCT/JP2017/017900

November 15, 2018

May 11, 2017

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MITSUBISHI ELECTRIC CORP (JP)

F28F1/32; F25B39/02; F28F17/00

JP2012163317A	2012-08-30
JP2005201467A	2005-07-28
JP2010139166A	2010-06-24
JPH08247676A	1996-09-27
JPH1089876A	1998-04-10
JPH0545474U	1993-06-18

KISA PATENT & TRADEMARK FIRM (JP)

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