ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,476, issued on June 17, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Cooling fan device" was invented by Shoichi Akiyama (Toyota, Japan), Dai Okumura (Seto, Japan), Atsushi Fukuda (Toyota, Japan) and Makoto Monya (Okazaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling fan device uses a cooling fan coupled to an engine via a fan clutch to generate cooling air flow for a radiator. The cooling fan device includes an electronic control unit configured to control an engagement rate of the fan clutch. The electronic control unit is configured to execute a first calculation process, a second calculation process, and an upper limit...