ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,171, issued on May 27, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).
"Inverter integrated motor" was invented by Takeshi Tokuyama (Tokyo), Takaki Itaya (Hitachinaka, Japan), Masahiro Hori (Tokyo) and Takashi Hirao (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide an inverter integrated motor that achieves both improvement in cooling performance of a current sensor and downsizing of an entire device. An inverter integrated motor includes: a power module that converts a direct current into an alternating current; a flow path forming body that is formed so as to flow and cover a refrigera...