ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,458, issued on Jan. 20, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).
"Motor drive device" was invented by Masao Fujimoto (Hitachinaka, Japan), Yuuichi Yanagisawa (Hitachinaka, Japan) and Akira Ishii (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stator (1B) has stator coils (U1, V1 and W1) of a first system and stator coils (U2, V2 and W2) of a second system, and the coils are supplied with power from inverter modules (21). A fuse module (22) has two fuse circuit elements (32) corresponding to respective systems. Phase lines of U, V and W of each fuse circuit element (32) are connected together at a neutral point (...