ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,849, issued on June 10, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Battery cooling device" was invented by Hajime Shimizu (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cooling device, including a plurality of coolers to cool a battery using insulating oil, includes: a communication pipe to connect the plurality of coolers to each other, the communication pipe allowing the insulating oil to flow therethrough; a water level sensor provided in a vertical portion of the communication pipe, the vertical portion extending in a vertical direction, and detects a water level in the vertical portion; a shutdown valve provi...