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Brush And Brush Housing Arrangement To Mitigate Hydrodynamic Brush Lift In Fluid-Immersed Electric Motors
Brush And Brush Housing Arrangement To Mitigate Hydrodynamic Brush Lift In Fluid-Immersed Electric Motors
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机译:电刷和电刷外壳的布置可减轻液浸式电动机中的水力电刷升程
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摘要
A brush and brush housing arrangement for use with an electric brushed motor containing viscous fluid. The brush and brush housing arrangement comprises a brush housing and at least one brush. The at least one brush comprising a first end that is in contact with a rotating commutator of the motor when in use and an opposed second end. At least one open-faced channel in a surface of the brush extends from the first end to the second end. The open-faced channel provides an exit for entrained fluid from the brush and brush housing, minimizing or eliminating brush lift caused by fluid being forced between the rotating commutator and the brush. Additional pressure relief channels for allowing escape of entrained fluid may be located in the housing.
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