JPS5825608U

JPS5825608U - inflatable silencer

Info

Publication number: JPS5825608U
Application number: JP11877281U
Authority: JP
Inventors: 工藤　金由
Original assignee: 株式会社日立製作所; 日立産機エンジニアリング株式会社
Priority date: 1981-08-12
Filing date: 1981-08-12
Publication date: 1983-02-18

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

[Brief explanation of the drawing]

第１図、第２図は従来の一室膨張形消音器であって、第
１図はそう入内筒がケーシングの長さの１７２の場合の
構造を示す断面図、第２図はその減衰特性図、第３図、
第４図は従来の一室膨張形消音器であって第３図はそう
入内筒がケーシングの長さの１ハの場合の構造を示す断
面図、第４図はその減衰特性図、第５図、第６図は、本
考案を実施した一室膨張形消音器の構造を示す断面図で
あって、第５図は作動前、第６図は作動した後の状態を
示す図である。４・・・スライドＭ、５−・・スライド装置、６・・・
スライドレバ。Figures 1 and 2 are a conventional one-chamber expansion type muffler. Figure 1 is a sectional view showing the structure when the inner cylinder is 172 mm long, which is the length of the casing, and Figure 2 is its damping characteristic. Figure, Figure 3,
Fig. 4 shows a conventional one-chamber expansion type muffler, Fig. 3 is a cross-sectional view showing the structure when the inner cylinder is 1 ha of the length of the casing, Fig. 4 is its damping characteristic diagram, and Fig. 5 6 are cross-sectional views showing the structure of a one-chamber expansion type silencer embodying the present invention, with FIG. 5 showing the state before operation and FIG. 6 showing the state after operation. 4...Slide M, 5-...Slide device, 6...
Slide lever.

Claims

[Scope of utility model registration request]

The expansion type silencer for the suction and discharge sides of the compressor is characterized by having a mechanism that changes the attenuation frequency range of the silencer by changing the rotation speed of the compressor and the suction and discharge cycles during capacity adjustment. Expandable silencer.