Skip to Content
Find More Like This
Return to Search

METHOD FOR MITIGATING THERMAL AGING OF PERMANENT MAGNETS IN ORGANIC LIQUID

United States Patent Application

20160308405
A1
View the Complete Application at the US Patent & Trademark Office
An electric motor is provided for use in an electromechanical transmission that utilizes automatic transmission fluid. The electric motor includes a stator and a rotor. The rotor includes a plurality of permanent magnets can include magnetic particles coated with hydrogen impermeable material. According to an alternative embodiment, the entire permanent magnet or the rotor itself can be coated with hydrogen impermeable material. According to a further alternative embodiment, the permanent magnet particles can be secured by a binder that includes a hydrogen storage compound that prevents hydrogen from affecting magnetic properties of the permanent magnet.
THOMPSON, Margarita P. (Livonia, MI), PINKERTON, Frederick E. (Macomb Township, MI), BALOGH, Michael P. (Novi, MI), DADHEECH, Gayatri Vyas (Bloomfield Hills, MI), ZENG, Xiaoqing (Northville, MI)
15/ 064,211
March 8, 2016
[0002] This invention was made with government support under Program No. GA21-GG8P.92--Injection Molded Magnets DPN awarded by the United States Department of Energy. The government has certain rights in the invention.