US Patent Issued to Pratt & Whitney Canada on Nov. 11 for "In situ balancing mass(es) for aircraft powerplant" (Canadian Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,365, issued on Nov. 11, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).

"In situ balancing mass(es) for aircraft powerplant" was invented by Nathan Tomes (Hamilton, Canada), Tyler Richardson (Toronto) and Dave Menheere (Norval, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft powerplant apparatus includes a rotating structure configured to rotate about an axis. The rotating structure includes a bladed rotor, a first component, a second component, a first balancing mass, a second balancing mass and a spring element. The first balancing mass and the second balancing mass are configured to rotationally balance the rot...