US Patent Issued to PRATT & WHITNEY CANADA on June 17 for "Internal retaining ring arrangement for a rotor assembly" (Canadian Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,651, issued on June 17, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Internal retaining ring arrangement for a rotor assembly" was invented by Jocelyn Bisson (St-Basile-le-Grand, Canada) and Guy Lefebvre (St-Bruno-de-Montarville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor assembly comprises an internal snap ring seated in a groove defined in an inner diameter surface of a rotor component. The snap ring has centrifugal weights to centrifugally expand enough to compensate for a difference in thermal growth between the rotor component and the snap ring."

The patent was filed on June 26, 2023, under Application ...