VENT OF AIR CHAMBER COMPOSED OF VENTILATION PIPE HAVING RECTILINEAR BODY, VENTILATION FUNNEL, VENTILATION, AND BLIND PATCH

摘要

PURPOSE: A vent of an air chamber is provided to carry and keep easily by manufacturing a ventilation pipe rectilinearly and to making the inflow of the outside air and the outflow of the inside air in an air chamber smooth. CONSTITUTION: The vent(10) connected with an air chamber and installed on the ground contains: an ventilation pipe(11) having a rectilinear body to form a hanging projection(13) downward and many ventilation holes(12) upward; a ventilation funnel(15) placed on the ventilation pipe(11) and suspended on the hanging projection(13) of the ventilation pipe(11); a ventilation(16) perforated to the outside of the ventilation funnel(15); and a blind patch(17) formed to cover up the ventilation(16) from the outside of the ventilation(16) and inclined outward from the upper part to the lower part.