US 12,234,904 B2
Vehicle cooling structure
Nobuaki Kobayashi, Tokyo (JP)
Assigned to SUBARU CORPORATION, Tokyo (JP)
Filed by SUBARU CORPORATION, Tokyo (JP)
Filed on Feb. 14, 2022, as Appl. No. 17/671,028.
Claims priority of application No. 2021-030547 (JP), filed on Feb. 26, 2021.
Prior Publication US 2022/0275858 A1, Sep. 1, 2022
Int. Cl. F16H 57/04 (2010.01); B60K 1/00 (2006.01); B60L 53/20 (2019.01); F16H 57/037 (2012.01); H02M 7/00 (2006.01); H02P 27/06 (2006.01)
CPC F16H 57/0412 (2013.01) [B60K 1/00 (2013.01); B60L 53/20 (2019.02); F16H 57/037 (2013.01); F16H 57/0467 (2013.01); H02M 7/003 (2013.01); B60K 2001/001 (2013.01); H02P 27/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vehicle cooling structure to be applied to a vehicle, the vehicle cooling structure comprising:
a gear case to house a gear mechanism and oil of the vehicle, the oil being in contact with an inner surface of the gear case;
an inverter disposed on an outer surface of the gear case and to be electrically coupled to a motor of the vehicle;
a step-down converter disposed on the outer surface of the gear case and electrically coupled to the inverter; and
a cooling passage that is formed between the inner surface of the gear case and the inverter, and between the inner surface and the step-down converter, the cooling passage being configured such that coolant flows therethrough.