Title:
空気調和機の熱交換器、及び、空気調和機の熱交換器の製造方法
Document Type and Number:
Japanese Patent JP7352215
Kind Code:
B2
Abstract:
A heat exchanger of an air conditioner according to the present disclosure is characterized by being provided with: radiation fins which are layered with spaces set therebetween, and have a plurality of openings; a plurality of straight pipes inserted in the openings of the radiation fins; a heat transmission pipe having a hairpin curve portion which connects end portions of adjacent straight pipe portions; an insertion hole in which the hairpin curve portion is inserted; and a heat exchanger fixing plate having a tubular portion provided on an outer perimeter of the insertion hole, and is characterized in that a water resistant coating film is formed on an outer circumferential surface of the hairpin curve portion. Further, the heat exchanger is characterized in that the water resistant coating film is formed on the outer circumferential surface on the hairpin curve portion side of the straight pipe portion.
Inventors:
Kosuke Yamaguchi
Masaaki Agatsuma
Masaaki Agatsuma
Application Number:
JP2022505708A
Publication Date:
September 28, 2023
Filing Date:
March 13, 2020
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F24F1/0067; F28F19/04; F28D1/047; F28F9/013
Domestic Patent References:
| JP2000026768A | ||||
| JP2003042475A | ||||
| JP2010065902A | ||||
| JP2000297995A | ||||
| JP2015078789A | ||||
| JP58025961U |
Attorney, Agent or Firm:
Yasutaka Kuratani
Shigeaki Matsui
Kenro Date
Shigeaki Matsui
Kenro Date