ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,792, issued on March 11, was assigned to Hangzhou Sanhua Research Institute Co. Ltd. (Zhejiang, China).
"Heat exchanger" was invented by Weiwei Zhang (Zhejiang, China), Junqi Dong (Zhejiang, China) and Xin Shi (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a heat exchanger. An end cover is assembled and fixed to a port of a first header in a lengthwise direction or a port of a second header in a lengthwise direction, and the end cover includes a body and a first opening formed in the body. The body includes a second cavity and a first recess. The first recess includes a first bottom wall close to the first opening, the...