ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,474, issued on Nov. 3, was assigned to Halliburton Energy Services Inc. (Houston).
"Rotor modules and assemblies for permanent magnet motor for ESP" was invented by Hassan Mansir (Frimley, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Improvements to electrical motors are disclosed. For example, a rotor assembly for an ESP motor can include a plurality of rotor modules, each configured to be disposed about and rotationally coupled to a drive shaft and each comprising a plurality of permanent magnets, with each rotor module being skewed with respect to one or more other of the plurality of rotor modules. Another approach for providing s...