ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,096, issued on Dec. 30, was assigned to Carrier Japan Corp. (Tokyo).
"Fan" was invented by Yuki Furutani (Hiratsuka, Japan) and Yoshihiro Komiyama (Fuji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan of which the blowing efficiency can be increased, the fan including a blade and a bell mouth. The blade rotates around a rotation axis that is along a first direction. The bell mouth includes a staircase structure positioned around the blade along a first plane perpendicular to the first direction. The staircase structure surrounds an opening that spreads toward a blowing direction of the blade."
The patent was filed on Oct. 26, 2022, unde...