ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,399, issued on July 7, was assigned to Nuovo Pignone Tecnologie-S.R.L (Florence, Italy).
"Turbine with a shroud ring around rotor blades and method of limiting leakage of working fluid in a turbine" was invented by Antonio Asti (Florence, Italy), Leonardo Tognarelli (Florence, Italy), Simone Marchetti (Florence, Italy), David Gentile (Florence, Italy) and Enrico Federighi (Florence, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas (or steam) turbine is disclosed including: a rotor with at least one array of rotor blades, a stator with a casing and a shroud ring; the shroud ring extends around the array of blades rotor and the casing extends...