An electric drive axle with temperature-sensitive heat preservation and heat dissipation function
By applying a temperature-sensitive spray coating layer to the surface of the electric drive axle, and utilizing the temperature-sensitive composite coating material to insulate at low temperatures and dissipate heat at high temperatures, the lubrication problem of the electric drive axle under different temperature environments is solved, thereby improving transmission efficiency and reliability and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SUZHOU LVKON TRANSMISSION TECH CO LTD
- Filing Date
- 2026-05-20
- Publication Date
- 2026-07-17
AI Technical Summary
In existing electric drive axles, the viscosity of the lubricating oil increases in low-temperature environments, leading to a decrease in transmission efficiency. In high-temperature environments, the heat cannot be dissipated in time, causing the lubricating oil to deteriorate, which affects the reliability and service life of the electric drive axle.
A temperature-sensitive spray coating material layer is applied to the surface of the electric drive bridge body. The temperature-sensitive composite coating material can keep the temperature at low temperatures and dissipate heat at high temperatures. The composite filler of expanded graphite and metal powder achieves adaptive thermal conductivity switching, and the epoxy primer layer is combined to improve adhesion.
It automatically adjusts heat preservation or heat dissipation under different temperature environments, reduces changes in lubricating oil viscosity, prevents gear damage, improves the transmission efficiency and reliability of the electric drive axle, and extends its service life.
Smart Images
Figure CN122402134A_ABST