US Patent Issued to Tula eTechnology on Feb. 17 for "Method and apparatus for maintaining the rotor D flux for pulsing induction machines and electrically excited synchronous electric machines" (California Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,118, issued on Feb. 17, was assigned to Tula eTechnology Inc. (San Jose, Calif.).

"Method and apparatus for maintaining the rotor D flux for pulsing induction machines and electrically excited synchronous electric machines" was invented by Paul Carvell (San Jose, Calif.), Benjamin M. Wolk (Oakland, Calif.) and Matthew A. Younkins (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine is provided. A polyphase machine comprising at least one of an induction machine and an externally excited synchronous machine is provided. A power inverter is electrically connected to the polyphase machine. An inverter controller is elec...