ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,995, issued on March 18, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Acoustical health monitoring of gas turbine engines" was invented by Peter Boyd (Mississauga, Canada) and Andrew Ghattas (La Prairie, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Health monitoring systems and associated methods for gas turbine engines are provided. A health monitoring method includes using a microphone to acquire operation data indicative of acoustic energy generated in a core gas path of the gas turbine engine. The operation data is compared to reference data indicative of an acoustic signature of fluid noise associated with a non-...