ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,205, issued on July 8, was assigned to SAFRAN (Paris).
"Turbojet with improved air extraction performance" was invented by Nicolas Claude Parmentier (Moissy-Cramayel, France) and William Henri Joseph Riera (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbojet includes in succession, from upstream to downstream in the flow direction of a primary air stream: a low-pressure casing, an intermediate casing, and a high-pressure casing that are longitudinally aligned and which jointly delimit an internal annular passage for the circulation of the air stream. The intermediate casing delimits a portion of the annular passage calle...