US Patent Issued to PRATT & WHITNEY CANADA on Oct. 14 for "Exhaust mixer with protrusions" (Canadian Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,532, issued on Oct. 14, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Exhaust mixer with protrusions" was invented by Metin Ilbay Yaras (Ottawa), Mark Cunningham (Montreal-West, Canada) and Raja Ramamurthy (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust mixer assembly for a gas turbine engine includes a core passage extending along a central engine axis for directing a core gas flow. An outer annular passage coaxially surrounds the core passage for directing a bypass gas flow. An exhaust mixer communicating with the core passage and the outer annular passage has an upstream end, a downstream end and an annula...