US Patent Issued to Nuovo Pignone Tecnologie-SRL on Jan. 20 for "Return channel with non-constant return channel vanes pitch and centrifugal turbomachine including said return channel" (Italian Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,384, issued on Jan. 20, was assigned to Nuovo Pignone Tecnologie-SRL.

"Return channel with non-constant return channel vanes pitch and centrifugal turbomachine including said return channel" was invented by Lorenzo Toni (Florence, Italy), Vittorio Michelassi (Florence, Italy), Alberto Guglielmo (Florence, Italy), Giuseppe Gatta (Florence, Italy) and Andrea Panizza (Florence, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A return channel for a centrifugal turbo machine. The return channel includes a plurality of return channel vanes, arranged around a return channel axis. Each return channel vane includes: a leading edge at a first distance fr...