US Patent Issued to PRATT & WHITNEY CANADA on Feb. 24 for "Double directionally pre-loaded damped ball bearing" (Canadian Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,100, issued on Feb. 24, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Double directionally pre-loaded damped ball bearing" was invented by Ian Macfarlane (St-Bruno, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine of an aircraft is provided. The gas turbine engine includes a shaft, a housing and an auxiliary ball bearing assembly to rotatably support the shaft within the housing. The auxiliary ball bearing assembly includes inner and outer races, ball bearings between the inner and outer races, an axial spring anchored between the housing and the outer race to prevent axial movement of the shaft during ...