MUSHROOM VENTILATOR FOR WEATHERTIGHT AND REDUCED NOISE

摘要

The present invention relates to a mushroom type exhaust pipe, and more specifically, to a mushroom type exhaust pipe which reduces noise and blocks water. The present invention relates to a mushroom type exhaust pipe which includes an exhaust pipe which is vertically formed and a head unit which has an outer diameter larger than the exhaust pipe, wherein an exhaust port is formed on the side of the head unit, a plurality of blades are arranged along the periphery of the exhaust pipe inside the head unit and has a slope in a radial direction, and a sound absorbing material is attached to one side or both sides of the blades. [Reference numerals] (AA) Separation space between the internal front end of a blade and the outside of an exhaust pipe