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:
May. 11, 2021
Filed:
Dec. 26, 2018
Daikin Industries, Ltd., Osaka, JP;
Kouju Yamada, Osaka, JP;
Masanori Jindou, Osaka, JP;
Ken Satou, Osaka, JP;
Hiroaki Matsuda, Osaka, JP;
Yoshio Oritani, Osaka, JP;
Tomohiko Sakamaki, Osaka, JP;
Tomoya Yamaguchi, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A heat exchanger includes: heat transfer tubes that are made of aluminum or an aluminum alloy and are disposed in multiple tiers in a first direction that intersects a second direction along which a heating medium flows; and a coupling header that couples the heat transfer tubes together. The coupling header includes: a first member that includes a first core made of aluminum or an aluminum alloy and a first sacrificial anode layer; a second member that includes no sacrificial anode layer; and a third member that includes a second core made of aluminum or an aluminum alloy and a second sacrificial anode layer.