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发明授权
CN107107987B 用于电动踏板辅助脚踏车的推进单元及脚踏车 有权

用于电动踏板辅助脚踏车的推进单元及脚踏车
摘要：
一种用于电动踏板辅助脚踏车的推进单元(8)及相关脚踏车，该推进单元包括电机(12)，具有定子(14)和能围绕马达轴线(M‑M)旋转的转子(16)，转子(16)操作地连接到曲柄销(18)，曲柄销限定曲柄轴线(X‑X)，其中，推进单元(8)包括用于操作和控制电机(12)的运行的至少一个电子单元(32)，其中，推进单元(8)包括至少一对外壳(24，26)，外壳限定容纳电机(12)并且至少部分地容纳曲柄销(18)的容纳空间(28)，其中，电子单元(32)容纳在容纳空间(28)内并在容纳空间内通过中间支撑元件(40)支撑，中间支撑元件(40)与外壳(24，26)中的至少一个接触，以便通过其将热量散发到推进单元(8)的外部。
摘要（英）：

Propulsion unit for an electric pedal assisted cycle (EPAC) comprising an electric machine having a stator and a rotor, rotatable about a motor axis, said rotor (16) being operatively connected to a crank pin, defining a crank axis, mechanically connected to the pedals, wherein the propulsion unit comprises at least an electronic unit for operating and controlling the functioning of the electric machine, wherein the propulsion unit comprises at least a pair of housings defining a containment space which houses the electric machine and at least partially the crank pin, wherein the propulsion unit comprises transmission means of the motion from the rotor to the crank pin, wherein the electronic unit is contained and supported inside said containment space by an intermediate support element.

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