A rack-assist-type electric power steering apparatus may include: a motor pulley provided on or coupled to a shaft of a motor; a nut pulley provided on or coupled to an outer circumferential surface of a ball nut coupled to a rack bar via a ball; a belt coupled to the motor pulley and the nut pulley, the belt comprising provided with one or more first magnetic bodies; and a rack housing enclosing or housing at least a portion of the motor pulley, the nut pulley and the belt are housed. The rack housing may comprise one or more second magnetic bodies provided on an inner circumferential surface thereof facing or opposite to the belt. Alternatively, the rack housing may comprise a support portion protruding from an inner surface of the rack housing, and one or more second magnetic bodies may be provided on a surface of the support portion.
RACK-ASSIST-TYPE ELECTRIC POWER STEERING APPARATUS
30.05.2019
Patent
Elektronische Ressource
Englisch