US Patent Issued to NEXT GEN COMPRESSION on June 24 for "Variable geometry supersonic compressor" (Washington Inventor)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,829, issued on June 24, was assigned to NEXT GEN COMPRESSION LLC (Seattle).

"Variable geometry supersonic compressor" was invented by Shawn P. Lawlor (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A counter-rotating supersonic compressor. A first subsonic rotor includes a plurality of unshrouded impulse rotor blades operating at sub-sonic conditions. A second, supersonic rotor includes a fixed second rotor portion and an adjustable second rotor portion. The fixed second rotor portion includes a plurality of supersonic passageways having converging-diverging sidewalls, and internal boundary layer bleed passageways. The adjustable sec...