ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,884, issued on March 4, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Chip detection system for an engine fluid system" was invented by Alexander Campbell (Mississauga, Canada) and Michael Paul Smith (Mississauga, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chip detection system for an engine fluid system includes an emitter located in a first position proximate to a fluid passage of the engine fluid system, the emitter including a radioactive source that generates ionizing radiation particles and transmits the ionizing radiation particles through a liquid within the fluid passage. A detector includes a detecting ele...