US 12,327,849 B2
Battery cooling device
Hajime Shimizu, Susono (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Jul. 14, 2023, as Appl. No. 18/352,728.
Claims priority of application No. 2022-144737 (JP), filed on Sep. 12, 2022.
Prior Publication US 2024/0088471 A1, Mar. 14, 2024
Int. Cl. H01M 10/63 (2014.01); G05D 9/12 (2006.01); H01M 10/613 (2014.01); H01M 10/6568 (2014.01)
CPC H01M 10/63 (2015.04) [G05D 9/12 (2013.01); H01M 10/613 (2015.04); H01M 10/6568 (2015.04); H01M 2220/20 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A battery cooling device including a plurality of coolers configured to cool a battery using insulating oil, the battery cooling device comprising:
a communication pipe configured 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 configured to detect a water level in the vertical portion;
a shutdown valve provided in the communication pipe; and
a control device configured to control the shutdown valve,
wherein the control device closes the shutdown valve when the water level sensor detects a water level rise equal to or greater than a predetermined value.