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Electric power steering system for motor vehicle, has electric assistance motor whose output shaft is coupled with worm engaged in worm wheel, and another assistance motor whose output shaft is coupled with another worm engaged in wheel
Electric power steering system for motor vehicle, has electric assistance motor whose output shaft is coupled with worm engaged in worm wheel, and another assistance motor whose output shaft is coupled with another worm engaged in wheel
The system has an electric assistance motor (10) directly coupled to a toothed rack (3). The motor is coupled to a rotating element such as steering column (2) or steering pinion, by a speed-reducer with a worm (12) and a cylindrical worm wheel (13). An output shaft of the electric assistance motor is coupled with the worm that is engaged in the worm wheel. An output shaft of another electric assistance motor (16) is coupled in another worm (18) engaged with the worm wheel.
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