JPH02131018U

JPH02131018U -

Info

Publication number: JPH02131018U
Application number: JP3841489U
Authority: JP
Priority date: 1989-03-31
Filing date: 1989-03-31
Publication date: 1990-10-30

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示すもので、第１図
は一部切欠正面図、第２図はその要部を示す一部
切欠斜視図、第３図は他の隔壁の例を示す斜視図
、第４図はさらに他の隔壁の例を示す斜視図、第
５図は本考案の第二実施例を示す一部切欠正面図
、第６図乃至第９図はそれぞれ本考案の第三乃至
第六実施例を示す縦断面図である。１……外、２……入口、３……出口、４，５…
…膨張室、７・・９，２４・・・２６，３３・・
・３７，４２・・・４４，５１・・・５４……空
室、１０・・１３，２０・・・２３，２７・・・
３２，３８・・・４１，４６・・・５０……隔壁
、１０ａ・・・１３ａ……小孔。 The drawings show one embodiment of the present invention; FIG. 1 is a partially cutaway front view, FIG. 2 is a partially cutaway perspective view showing the main part, and FIG. 3 is a perspective view showing another example of a partition wall. 4 is a perspective view showing still another example of the partition wall, FIG. 5 is a partially cutaway front view showing the second embodiment of the present invention, and FIGS. 6 to 9 are respectively the third embodiment of the present invention. FIG. 7 is a vertical cross-sectional view showing the sixth embodiment. 1...Outside, 2...Entrance, 3...Exit, 4, 5...
...Expansion chamber, 7...9,24...26,33...
・37,42...44,51...54...Vacant, 10...13,20...23,27...
32, 38... 41, 46... 50... Partition wall, 10a... 13a... Small hole.

Claims

[Scope of utility model registration request]

In the outer casing 1 having an inlet 2 and an outlet 3,
An expansion chamber 4 is provided on the inlet 2 side and the outlet 3 side, respectively.
At the same time, void chambers 7, 8, 9 are formed in a multilayered manner between the expansion chambers 4, 5, and substantially the entire surface of each partition wall 10, 11, 12, 13 that successively partitions between these is formed. small holes 10a, 11a, 12a respectively
, 13a.