ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,581, issued on April 8, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Refrigerant distributor, heat exchanger, and air-conditioning apparatus" was invented by Yoji Onaka (Tokyo), Takashi Matsumoto (Tokyo), Rihito Adachi (Tokyo), Tetsuji Saikusa (Tokyo), Yuki Nakao (Tokyo), Hiroyuki Morimoto (Tokyo) and Atsushi Kibe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerant distributor includes an outer pipe, an inner pipe, and a structural part. The refrigerant outflow hole is provided such that an angle Theta between a lower end of the inner pipe on a vertical line passing through a center of the inner pipe and a position of presence...