ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,507, issued on March 18, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Electric machine assembly and method for locking rotor to stator" was invented by Ari Vartiainen (Helsinki) and Teemu Laukkanen (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine assembly including a body part; a stator stationarily supported to the body part; a rotor adapted to rotate relative to the stator, and adapted to receive a shaft inside thereof; and a locking system for providing a locking state for the electric machine assembly in which the rotor is locked relative to the stator. The locking system includes at least one locking member...