JPS6110445U - ventilation system - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は越し屋根を有する建物の正面図、第２図は、本
考案に係る換気装置が適用された越し屋根の斜視図、第
３図は第２図の線３−３に沿って得た横断面図、第４図
および第５図は、それぞれ、閉鎖体が浮遊している状態
および第２の開口を閉鎖した状態における第３図と同様
な横断面図、第６図は他の例の断面図である。 １０・・・・・・膜屋根、１２・・・・・・建物、１４
・・・・・・越し屋根、２２・・・・・・換気装置、２
４・・・・・・ケーシング、２８，３０・・・・・・第
１および第２の開口、３２，３３・・・・・・閉鎖体。Figure 1 is a front view of a building with an overhanging roof, Figure 2 is a perspective view of an overhanging roof to which the ventilation system according to the present invention is applied, and Figure 3 is a view taken along line 3-3 in Figure 2. FIGS. 4 and 5 are cross-sectional views similar to FIG. 3 with the closure body floating and the second opening closed, respectively, and FIG. 6 is a cross-sectional view similar to that of FIG. FIG. 3 is an example cross-sectional view. 10... Membrane roof, 12... Building, 14
...Overhanging roof, 22...Ventilation system, 2
4... Casing, 28, 30... First and second openings, 32, 33... Closure body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 建物に取り付けられかつ屋内に連通ずる第１の開口およ
び屋外に連通ずる第２の開口が設けられたケーシングと
、該ケーシング内に前記第１の開口と前記第２の開口と
の間を移動可能に配置され、屋外の気圧と屋内の気圧と
の差圧が所定の値を越えたときに前記第２の開口を閉鎖
する閉鎖体とを含む、換気装置。A casing that is attached to a building and is provided with a first opening that communicates with the indoors and a second opening that communicates with the outdoors, and is movable between the first opening and the second opening within the casing. a closing body disposed in the air ventilator, and closing the second opening when a differential pressure between outdoor atmospheric pressure and indoor atmospheric pressure exceeds a predetermined value.