US Patent Issued to Mitsubishi Electric on Nov. 25 for "Impeller, centrifugal blower, and indoor unit" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,521, issued on Nov. 25, was assigned to Mitsubishi Electric Corp. (Tokyo, Panama).

"Impeller, centrifugal blower, and indoor unit" was invented by Keisuke Oishi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impeller includes a shroud on a first side with respect to a base, and blades. The shroud has protruding accommodations that open to a second side opposite to the first side, and has protrusions protruding to the first side from a blade main body of the blades accommodated therein. Each protruding accommodation has a first accommodation, and a second accommodation connected to an end in the extension direction thereof. The protrusion h...