Electric drive assembly and electric two-wheeled vehicle

By adopting a split cooling channel structure in the electric two-wheeler drive system, the controller and motor are cooled separately, which solves the problem of poor heat dissipation performance and achieves better heat dissipation effect and simpler structural design.

CN224385267UActive Publication Date: 2026-06-19SHANGHAI PANGOOD POWER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI PANGOOD POWER TECH CO LTD
Filing Date
2025-05-13
Publication Date
2026-06-19

AI Technical Summary

⚠Technical Problem

The existing drive systems of electric two-wheelers have poor heat dissipation performance, especially the motor, controller and reducer, which are difficult to cool effectively, affecting their performance and lifespan.

⚗Method used

Design an electric drive assembly with a split cooling channel structure, including a first cooling channel and a second cooling channel, which are respectively installed on the first housing and the second housing to form a continuous cooling circuit to cool the controller and the motor respectively, and are connected through the housing joint surface to avoid additional piping layout.

🎯Benefits of technology

It improves heat dissipation, simplifies processing and assembly, optimizes heat dissipation paths, reduces cross-influence of heat sources, balances overall weight distribution, and reduces vibration and installation stability issues.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of electric drive assembly and electric two-wheeled vehicle, comprising: first casing, first cooling flow passage is equipped in it;Speed reducer body, is installed in the first casing;Second casing, with the first casing detachably connected, second cooling flow passage is equipped in it;Controller, is installed in the second casing, and with the first cooling flow passage thermal coupling;Motor body, is installed in the second casing, and with the second cooling flow passage thermal coupling;Wherein, the first cooling flow passage and the second cooling flow passage are formed by casing joint surface for the continuous cooling circuit of cooling liquid circulation flow circulation.The utility model uses above structure, cooling performance is good, and motor body, controller and speed reducer body can be cooled simultaneously.
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