ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,545, issued on Feb. 10, was assigned to DENSO Corp. (Kariya, Japan).
"Aluminum alloy heat exchanger" was invented by Takahiro Shinoda (Kariya, Japan), Shogo Yamada (Kariya, Japan), Nobuhiro Honma (Kariya, Japan), Naoki Sugimoto (Kariya, Japan) and Taketoshi Toyama (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Mg and Bi are contained in each of a first fillet in a first braze joining portion in which a tube and a fin join, a second fillet in a second braze joining portion in which the tube and a header plate join, and a third fillet in a third braze joining portion in which the header plate and a tank body join. A concentration of Mg ...