Title:
HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/017789
Kind Code:
A1
Abstract:
This heat exchanger is equipped with: a pair of header pipes which are arranged in parallel vertically in the direction of gravity; a plurality of heat transfer pipes which are juxtaposed parallel to the direction of gravity and are bonded between the pair of header pipes; and a plurality of fins which are bonded between adjacent heat transfer pipes. The heat transfer pipes and the fins are subjected to hydrophilic surface treatment. Each of the fins has an inclined portion which extends at an angle between the portions where the fin is bonded to the heat transfer pipes. The fin is subjected to water-sliding surface treatment so that the falling angle is smaller than the inclination angle, where the inclination angle of the inclined portion is the angle of the inclined portion with respect to the horizontal direction and the falling angle is the angle of the inclined portion when water droplets on the inclined portion of the fin start to drip.
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Inventors:
KAWASHIMA AYA (JP)
UEYAMA SATOSHI (JP)
ISHIBASHI AKIRA (JP)
AKAIWA RYOTA (JP)
YOSHIMURA SUSUMU (JP)
UEYAMA SATOSHI (JP)
ISHIBASHI AKIRA (JP)
AKAIWA RYOTA (JP)
YOSHIMURA SUSUMU (JP)
Application Number:
PCT/JP2015/071386
Publication Date:
February 02, 2017
Filing Date:
July 28, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F1/32; F28F1/30
Foreign References:
JP2006105415A | 2006-04-20 | |||
JP2013190169A | 2013-09-26 | |||
JPH04263790A | 1992-09-18 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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