ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,424, issued on Nov. 25, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Active de-aerator for aircraft power plant" was invented by Gabriel Naccache (Longueuil, Canada) and Daniel Alecu (Longueuil, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A de-aerator has: a housing defining an air-oil inlet, an oil outlet, and an air outlet; a rotor within the housing and rotatable about a rotation axis and having: inner and outer rims and blades, passages between the blades and communicating with the air-oil inlet; a conduit extending around the rotation axis and defining a central passage extending axially and communicating with th...