JPS6134031U - Silent 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) [Abstract] 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 the drawing]

竿１図は・建セ０壁体，内１設−けられた消音換気装置
あ概略縦断面図、第２図は、通気路形成部材の平面図、
第３図は、第２図におけるＡ矢視図、第４図は、第２図
におけるＢ矢視図、第５図は、本，考案に係る消音換気
装置にガラリ及びレジスタ一を取付けた状態の概略縦断
面図、第６図は、本考案に係る消音換気装置を用いた場
合の音の透過損失状態を示すグラフ図、第７図は、通気
路形成部材の舌片有無による騒音効果を示すグラフー、
第８図は、従来の消音換気装置を示す概略縦断面、５図
、第９図は、従来の他の消音換気装置を示す概−略縦断
面図である。 一１・・・・・・消音換気装置、２・
・・・・・換気筒、３，３・・・・・・通気路形成部材
、３１・・・・・・周壁、３２．３３・・・′、・・・
隔板、３４・・・・・・通気路、３５・・・・・・舌片
、４・・・・・・二．−ブFigure 1 is a schematic longitudinal cross-sectional view of the built-in silencing ventilation system, and Figure 2 is a plan view of the ventilation path forming member.
Figure 3 is a view in the direction of arrow A in Figure 2, Figure 4 is a view in the direction of arrow B in Figure 2, and Figure 5 is a state in which the louver and register are attached to the noise-reducing ventilation system according to the present invention. FIG. 6 is a graph showing the state of sound transmission loss when using the noise-reducing ventilation device according to the present invention, and FIG. Graph showing,
FIG. 8 is a schematic longitudinal cross-sectional view showing a conventional noise-reducing ventilation device, and FIGS. 5 and 9 are schematic longitudinal cross-sectional views showing other conventional noise-reducing ventilation devices. 11... Silence ventilation system, 2.
...Ventilation tube, 3,3...Ventilation path forming member, 31...Peripheral wall, 32.33...',...
Partition plate, 34... Ventilation passage, 35... Tongue piece, 4... 2. -B

Claims (1)

【実用新案登録請求の範囲】 １ 壁体を貫通して設けられた換気筒内に一対の通気路
形成部材を挿設して消音室を形成したことを特徴とする
消音換気装置。 ２ 前記消音室の容積は、通気路形成部材を換気筒内で
移動させることにより可変することができる実用新案豊
録請求の範囲第１項記載の消音・換気装置。 −′３ 前記通気路形成部材は、周壁内上方から一つ
の隔板を垂設し、下方から他の隔板を立設して両隔板間
に通気路を形成した実用−新案登録請求の範囲第１項記
載の消音換気装置。 ．４ 前記周壁内下方から立設された隔板の先端番モは
舌片が延設された寥用新案登録請求の範囲第−３項記載
の消音換気装置。[Claims for Utility Model Registration] 1. A noise-reducing ventilation device characterized in that a sound-reducing chamber is formed by inserting a pair of ventilation path forming members into a ventilation cylinder provided through a wall. 2. The silencing/ventilating device according to claim 1, wherein the volume of the silencing chamber can be varied by moving the ventilation path forming member within the ventilation cylinder. -'3 The ventilation path forming member is a utility model in which one partition plate is vertically installed from above inside the peripheral wall, and another partition plate is installed vertically from below to form a ventilation path between both partitions. A noise-reducing ventilation system as described in Scope 1. ．． 4. The noise-reducing ventilation system according to claim 3, wherein the distal end of the partition plate erected from below within the peripheral wall has an extended tongue.