ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,920, issued on April 22, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).
"Rotor system for measuring the flow rate of a fluid comprising a liquid, and associated equipment" was invented by Philippe Latil (Pertuis, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for measuring a flow rate of a fluid containing liquid includes a body in which the fluid flows, at least one rotor configured to be rotated by the fluid, and a device for measuring a rotation speed of the rotor. The measuring device includes an optical module configured to transmit an incident light radiation on vanes of the rotor, in a d...