ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,983, issued on Oct. 21, was assigned to DENSO Corp. (Kariya, Japan).
"Blower" was invented by Mari Fukada (Kariya, Japan) and Jun Yamaoka (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blower includes a shaft and a centrifugal fan. The centrifugal fan includes a plurality of blades, a shroud and a main plate. Each of the plurality of blades has a leading edge and a trailing edge. At each blade, a negative pressure surface of an air inlet section of the blade, which is closer to the leading edge than the trailing edge, has a projection that projects toward a positive pressure surface of an adjacent one of the plurality of blades. At ...