The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2026
Filed:
May. 08, 2020
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Kouju Yamada, Osaka, JP;
Tomoki Hirokawa, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 9/02 (2006.01); B23K 1/00 (2006.01); B23K 1/19 (2006.01); F25B 39/04 (2006.01); F28F 9/18 (2006.01); B23K 101/14 (2006.01); B23K 103/10 (2006.01);
U.S. Cl.
CPC ...
B23K 1/0012 (2013.01); B23K 1/19 (2013.01); F28F 9/0246 (2013.01); F28F 9/18 (2013.01); B23K 2101/14 (2018.08); B23K 2103/10 (2018.08); F28F 2275/04 (2013.01);
Abstract
A heat exchanger includes: a header; and heat transfer tubes connected to the header. The header includes a first member, a second member, and a third member. A brazing layer between the second member and the third member has a melt rate, at predetermined temperature, that is larger than a melt rate, at the predetermined temperature, of at least one of: a brazing layer between the first member and the second member; and a brazing layer between the first member and the third member.