Transmission cooling system, control method of transmission cooling system, and vehicle
By connecting a low-temperature radiator, an electric water pump, and a transmission oil cooler in series to form a transmission cooling circulation loop, and adjusting the electric water pump and cooling fan according to the transmission oil temperature change trend, the problem of poor cooling effect of the existing transmission cooling system is solved, and the transmission achieves efficient cooling and low energy loss.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GREAT WALL MOTOR CO LTD
- Filing Date
- 2022-06-28
- Publication Date
- 2026-07-24
AI Technical Summary
Existing transmission cooling systems have poor cooling performance, which is not conducive to the efficient operation of the transmission. In addition, the cooling system requires an independent radiator or shares a radiator with the engine, resulting in a large number of cooling pipes, a large layout space, and a large energy loss.
A low-temperature radiator, an electric water pump, a transmission motor, and a transmission oil cooler are connected in series via heat exchange pipes to form a cooling circulation loop for the transmission. A cooling fan cools the coolant in the heat exchange pipes. The duty cycle of the electric water pump and the cooling fan is adjusted according to the transmission oil temperature change trend to precisely control the cooling effect.
This reduces the length and space required for heat exchange piping, improves cooling efficiency, reduces energy loss, and facilitates efficient operation of the transmission.
Smart Images
Figure CN117345844B_ABST