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US09587638B2 Drive unit for a submersible oil pump, with a fluid passage allowing the fluid in the motor housing to be discharged to the ambient enviroment 有权
用于潜油泵的驱动单元，具有允许马达壳体中的流体排放到环境环境中的流体通道

Drive unit for a submersible oil pump, with a fluid passage allowing the fluid in the motor housing to be discharged to the ambient enviroment
Abstract:
A drive unit (3) for a submersible oil pump, including a housing (7), a motor compartment (9) that is surrounded by the housing (7), and a rotor (13) arranged in the motor compartment (9), whereby a first fluid path (35) leading from a submerged oil environment (37) of the housing (7) to the motor compartment (9) is provided so as to allow oil to flow from the submerged oil environment (37) into the motor compartment (9).
Abstract(Chinese):

一种用于潜油泵的驱动单元（3），包括壳体（7），由壳体（7）包围的马达室（9）和布置在马达室（9）中的转子（13） 从而将从壳体（7）的浸入式油环境（37）引导到马达室（9）的第一流体路径（35）设置成允许油从浸没的油环境（37）流入马达 隔间（9）。

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