ELECTRICAL BRAKE ACTUATOR FOR A MOTOR VEHICLE
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United States of America Patent
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Issued Date -
Jul 16, 2020
app pub date -
Jul 25, 2018
filing date -
Jul 27, 2017
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Abstract
An electrical brake actuator for a motor vehicle, comprising an actuator housing, which is formed from a first housing half-shell and a second housing half-shell, and comprising an electric motor and a multi-stage transmission, which comprises a first transmission stage driven by the electric motor and a final transmission stage having an output gear. The electric motor comprises a motor housing and a commutator as well as a brush system which comprises a pot-like brush carrier having base-side shaft feedthrough for a motor shaft which has a first pinion fixed to the shaft. A transmission plate is integrally formed on the brush carrier, in particular monolithically, to form a carrier unit, which comprises at least one first bearing seat for receiving a first bearing axis of a first gearwheel of the first transmission stage, said gearwheel meshing with the first pinion fixed to the shaft.
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