ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,840, issued on May 13, was assigned to DENSO Corp. (Kariya, Japan).
"Blower fan" was invented by Tomomi Baba (Kariya, Japan) and Takuya Usami (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blower fan includes a hub, a plurality of blades and a ring. The blades are arranged along and extend outwardly from an outer periphery of the hub. The ring is shaped in a circular ring form and couples a distal end portion of each blade. The distal end portion of each blade has a separation limiting structure that limits separation of a flow of air from the blade. Each blade has a shape that directs a flow direction of the air passing through the...