RACK TYPE ELECTRIC POWER STEERING SYSTEM
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Jun 18, 2014
filing date -
Dec 24, 2013
priority date (Note) -
Published
status (Latency Note)
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Abstract
The present invention relates to a rack type electric power steering system. The present invention provides a rack type electric power steering system including: a power steering motor comprising a motor housing accommodating a rotor to which a motor shaft is coupled and a stator accommodating the rotor therein, and a front cover having a shaft through-hole for protruding a distal end of the motor shaft to the outside at a portion thereof and coupled to the motor housing such that an inner surface thereof faces the interior of the motor housing; a moisture detection sensor attached to a lower end of an inner surface of the front cover, which is adjacent to the shaft through-hole; and a controller for, if receiving a moisture detection signal of a predetermined value or higher from the moisture detection sensor, stopping driving of the power steering motor.
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