US Patent Issued to PRATT & WHITNEY CANADA on April 7 for "Aircraft engine with squeeze film damper" (Canadian Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,823, issued on April 7, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Aircraft engine with squeeze film damper" was invented by Daniel Alecu (Brampton, Canada) and Laslo Tibor Diosady (Etobicoke, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft engine is described which has: a shaft; a bearing housing extending around the shaft and defining a bearing cavity; a bearing within the bearing cavity and supporting the shaft; a squeeze film damper having an annulus receiving a damping fluid; and a controller. The controller is configured to: operate the squeeze film damper in a first regime in which a speed of the damp...