DEVICE FOR INTRODUCING AN AUXILIARY TORQUE INTO A STEERING SHAFT
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United States of America Patent
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Dec 22, 2015
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Feb 4, 2015
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Abstract
A device for introducing an auxiliary torque into a steering shaft of an electromechanical power-assisted steering system may include an electric motor that comprises a motor shaft that is coupled fixedly in terms of torque by means of a coupling element to a gearwheel. The gearwheel may mesh with a toothed wheel disposed rotationally conjointly on the steering shaft. To provide an improved coupling between electric motor and gearwheel with relatively low outlay in terms of production and costs, the coupling element may comprise a torsional elastic bar that is torsionally more flexible than the motor shaft and the gearwheel.
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