Cooling system for electric drive device of vehicle
AssigneeValeo eAutomotive Germany GmbH
InventorsYejin JIN, Wanchao ZHAO, Yawei SUN
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Abstract
A cooling system for an electric drive device of a vehicle. The electric drive device includes a housing, a motor accommodated in a first space in the housing and a reducer accommodated in a second space in the housing. The cooling system includes a cooling pump, having a first suction port and a second suction port connected to the first space and the second space respectively. The cooling pump is operatively configured to alternatively suck in cooling liquid from the first suction port or the second suction port; and a cooler connected to an outlet of the cooling pump to receive the cooling liquid sucked in from the first suction port or the second suction port.
Claims20
A cooling system for an electric drive device of a vehicle, wherein the electric drive device comprises a housing, a motor accommodated in a first space in the housing and a reducer accommodated in a second space in the housing;
- the cooling system comprises:
- a cooling pump having a first suction port and a second suction port connected to the first space and the second space respectively, wherein the cooling pump is operatively configured to alternatively suck cooling liquid from the first suction port or the second suction port;
- a cooler connected to an outlet of the cooling pump to receive the cooling liquid sucked from the first suction port or the second suction port.
The cooling system according to claim, wherein the predetermined change occurs in the vehicle state comprises that the acceleration value of the vehicle in a first direction exceeds a preset first acceleration threshold within a predetermined time, and the first direction is the arrangement direction of the motor relative to the reducer.
Dependencies are inferred from the claim text.