Actuator for car air duct damper
AssigneePro Quip International Korea Co., Ltd.
InventorHyuk Joon Ro
Life of this patent
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Abstract
An actuator for car air duct damper which allows a precise control on the flow of the air. The actuator invention includes a rotary wheel (30) provided on and coaxial to the rotation shaft (54) of the damper (53), said rotary wheel being formed with a plurality of holes (33) along its circumference at a predetermined interval, optical sensors (40) disposed at the both side of the rotary wheel (30) closely so as to correspond to the holes (33), said optical sensors detecting the passage of the light through the holes (33), and a control section connected respectively to the optical sensors (40 ) and input button (63) in the indoor space of a car for controlling the driving motor (10) in accordance with respective input signals.
Claims4
An actuator for a car air duct damper including a driving motor and a power transmitting mechanism for transmitting the torque of a driving motor, said power transmitting mechanism being provided at its final stage with a damper for opening and closing an air duct wherein, said actuator further comprises a rotary wheel provided on and coaxial to a rotation shaft of the damper, said rotary wheel being formed with a plurality of holes along its circumference at a predetermined interval;
- optical sensors disposed at the both sides of the rotary wheel closely so as to correspond to the holes, said optical sensors detecting the passage of the light through the holes;
- and a control section connected respectively to the optical sensors and an input button in the indoor space of a car for controlling the driving motor in accordance with respective input signals.
Dependencies are inferred from the claim text.