ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,812, issued on Sept. 9, was assigned to Evapco Inc. (Taneytown, Md.).
"Aeroelastic fan blade" was invented by Daniel Strauss (Itu, Brazil), Victor Leonardo Moura Vieira da Silva (Itu, Brazil) and Luigi Martini (Itu, Brazil).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan blade that responds to external perturbations in a way that reduces the effect of the perturbations on the blade. The fan blade is designed so that the twist center is forward of the pressure center relative to the air flow direction, and the distance between the twist center and the pressure center is greater than zero. Fan blades having this feature will deform in a way to de...