ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,403, issued on April 8, was assigned to FUJITSU GENERAL Ltd. (Kanagawa, Japan).
"Blower and indoor unit" was invented by Hirotaka Sawada (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blower includes a cross flow fan, a mechanism configured to rotate the cross flow fan about a rotation axis, a front tongue part that is arranged in front of the cross flow fan, and a back tongue part that is arranged in back of the cross flow fan, wherein a front fan facing surface of the front tongue part faces the cross flow fan, and includes a plurality of front non-flat portions on which non-flatness is formed, and a plurality of front flat port...