ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,275, issued on July 1, was assigned to AIR INTERNATIONAL (US) INC. (Auburn Hills, Mich.).
"Blower wheel assemblies and methods" was invented by Joseph J. Spryshak (Hartland, Mich.) and Matthew Ackley (Harrison Township, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An HVAC blower assembly includes a scroll housing, which includes an annular scroll channel provided by an outer ring wall and an inner ring wall extending from a scroll housing wall. A blower wheel is disposed within the scroll housing. The blower wheel includes an inlet end and an opposite end axially spaced from an inlet end with respect to an axis of rotation of the blower wheel...