| 摘要 |
PURPOSE: A ventilation system of an automobile is provided to keep ventilation performance by forcibly discharging indoor air. CONSTITUTION: A ventilation system comprises a driving force pulling mechanism(20) installed to a hub of an axle; an opening and closing door(26) installed to a rear package tray panel(27), and opened and closed by interlocking with an outside air mode operation knob; and a suction blower(36) installed to a lower part of the opening and closing door, and connected with the driving force pulling mechanism with a cable(43) to discharge indoor air to an indoor air discharge grill(13). The driving force pulling mechanism has the hub installed to a knuckle spindle formed on a suspension arm, a ring gear(24) fixed to the hub, and a pinion(25) supported by a chassis and engaged with the ring gear so that the pinion is rotated by the ring gear as an automobile runs. The opening and closing door has a supporting frame installed by forming a hole on the rear package tray panel, a plurality of wings supported on the supporting frame by supporting fins formed on both ends thereof at regular intervals, pinions formed on the supporting pins and engaged with a rack gear supported by the supporting frame, and the rack gear having one end connected with the cable.
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