US 12,471,248 B2
Cooling system
Yasuaki Kodama, Seto (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on May 25, 2023, as Appl. No. 18/323,439.
Claims priority of application No. 2022-117036 (JP), filed on Jul. 22, 2022.
Prior Publication US 2024/0032244 A1, Jan. 25, 2024
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20272 (2013.01) 4 Claims
OG exemplary drawing
 
1. A cooling system comprising:
an insulating coolant composition;
a circulation path through which the insulating coolant composition circulates, wherein the circulation path comprises a pipe and a reserve tank;
an inlet through which the circulation path communicates with an external space; and
a fluorine-based resin filter covering the inlet,
wherein a rate at which the coolant composition at 25° C. passes through the fluorine-based resin filter is greater than a 1 mL·s−1, and a rate at which water at 25° C. passes through the filter is less than or equal to 8×10−5 mL·s−1.