US 12,264,883 B2
Heat exchanger including header
Kouju Yamada, Osaka (JP); and Tomoki Hirokawa, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed on Feb. 4, 2022, as Appl. No. 17/592,782.
Application 17/592,782 is a continuation of application No. PCT/JP2020/029693, filed on Aug. 3, 2020.
Claims priority of application No. 2019-144672 (JP), filed on Aug. 6, 2019.
Prior Publication US 2022/0155016 A1, May 19, 2022
Int. Cl. F28D 7/16 (2006.01); F28F 9/02 (2006.01)
CPC F28D 7/16 (2013.01) [F28F 9/02 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A heat exchanger comprising:
a header that guides a refrigerant; and
an assembly of heat transfer tubes and fins that is connected to the header and that causes heat exchange between the refrigerant and a medium, wherein
the header comprises:
a first member having a first surface;
a second member having a second surface that faces the first surface; and
a third member having a third surface that intersects with the first surface and the second surface,
the first surface is joined with the second surface by a first brazing material having a first thickness,
the third surface is joined with the first member by a second brazing material having a second thickness,
the third surface is joined with the second member by the second brazing material,
the first thickness is less than the second thickness, and
the first thickness is 0.2 mm or less.