ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,938, issued on Oct. 28, was assigned to Dyson Technology Ltd. (Wiltshire, Great Britain).
"Brushless permanent magnet motor" was invented by Mate Horvat (Swindon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A brushless permanent magnet motor has a phase winding, an inverter for applying voltage vectors to the phase winding, and a controller for controlling the inverter. The inverter has a plurality of high side switches and a plurality of low side switches. The controller is configured to divide an electrical cycle of the motor into a first portion and a second portion different to the first portion, apply a first set of voltage vec...