| 摘要 |
PURPOSE: An apparatus for indoor ventilation of automobile is provided to ventilate using convection. CONSTITUTION: A penetrating hole(51) is bored on a car body(50). A coupling pipe(20) with a fixing protrusion(21) is fixed to the penetrating hole. A lift exhaust pipe(30) with an upper cover(31) and an exhaust hole(32) formed thereon is inserted to the coupling pipe to be movable like lifter and fixed by a coupling nut(34). The lift exhaust pipe is moved up and down to ventilate a car room by moving up and down the coupling nut.
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