ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,747, issued on Feb. 24, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Method of assembling parts with different coefficients of thermal expansion" was invented by Dave Brosseau (Sainte-Catherine, Canada) and Johnny Vinski (Chateauguay, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of assembling parts of an aircraft engine, the method includes: forming, at a first temperature, a pre-assembly of a first part of the aircraft engine and a second part of the aircraft engine by aligning the first part and the second part such as to be engageable within one another, the second part having a coefficient of thermal expan...