Steer by Wire System for Operating Steering Wheel and Steering Column
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United States of America Patent
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Issued Date -
Nov 30, 2023
app pub date -
May 27, 2023
filing date -
May 31, 2022
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Abstract
A steer by wire system includes at least a steering wheel actuator for operating steering wheel and steering column. The steering wheel actuates the steering wheel actuator by way of a brushless DC motor. The steering wheel actuator adjusts the steering column in a tilt direction by way of a first brushed DC motor and in a telescopic direction by way of a second brushed DC motor. The first brushed DC motor and the second brushed DC motor are configured to operate via two separate H bridges having a shared arm of switches. The brushless DC motor is configured to operate with two three-phase H bridges of which one three-phase H bridge is the network of switches of the first brushed DC motor and the second brushed DC motor.
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