US Patent Issued to Sapphire Technologies on May 27 for "Brake resistor design for controlling rotor speed during generator shutdown sequence" (California Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,197, issued on May 27, was assigned to Sapphire Technologies Inc. (Cerritos, Calif.).

"Brake resistor design for controlling rotor speed during generator shutdown sequence" was invented by Jeremy Liu (Norwalk, Calif.), Liping Zheng (Buena Park, Calif.) and Suratkal P. Shenoy (Mission Viejo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric generator includes a turbine wheel configured to receive process gas and rotate in response to expansion of the process gas flowing into an inlet of the turbine wheel. A rotor is coupled to the turbine wheel and can rotate with the turbine wheel in a stator. The electric generator generates a curre...