ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,031, issued on March 18, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Gas turbine bleed off valve" was invented by Richard Ivakitch (Scarborough, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bleed arrangement of a gas turbine engine of an aircraft includes a core casing having one or more bleed openings define therein. The core case separates a core flowpath from a bypass flowpath of the gas turbine engine. A slider is positioned radially inboard of a case inner surface of the core casing relative to an engine central longitudinal axis. The slider is configured to be moved circumferentially between a closed position...