JPH0392520U

JPH0392520U -

Info

Publication number: JPH0392520U
Application number: JP224990U
Authority: JP
Priority date: 1990-01-12
Filing date: 1990-01-12
Publication date: 1991-09-20
Anticipated expiration: 2005-01-12
Also published as: JPH0754578Y2

Description

[Brief explanation of drawings]

第１図〜第３図は本考案の実施例に係るエンジ
ンのマフラを説明する図で、第１図はマフラの分
解斜視図、第２図Ａはマフラの縦断面正面図、第
２図Ｂは第２図ＡのＢ−Ｂ線断面図、第２図Ｃは
第２図ＡのＣ−Ｃ線断面図、第２図Ｄは第２図Ａ
のＤ−Ｄ線断面図、第２図Ｅは第２図ＡのＥ−Ｅ
線断面図、第３図はエンジン発電機の縦断面側面
図である。１……エンジン、２……マフラ、３……ケーシ
ング、４……排気入口、５……１次膨張室、６…
…２次膨張室、７……排気出口、８……絞り連通
室、９……３次膨張室、１０……４次膨張室、１
１……８の連通室入口、１２……８の連通室出口
。 Figures 1 to 3 are diagrams for explaining the muffler of an engine according to an embodiment of the present invention, in which Figure 1 is an exploded perspective view of the muffler, Figure 2A is a longitudinal cross-sectional front view of the muffler, and Figure 2B is a front view of the muffler. is a sectional view taken along the line B-B of Fig. 2A, Fig. 2C is a sectional view taken along the line C-C of Fig. 2A, and Fig. 2D is a sectional view taken along the line C-C of Fig. 2A.
A sectional view taken along line D-D of Figure 2, E is E-E of Figure 2 A.
A line sectional view, and FIG. 3 is a longitudinal sectional side view of the engine generator. 1...Engine, 2...Muffler, 3...Casing, 4...Exhaust inlet, 5...Primary expansion chamber, 6...
...Secondary expansion chamber, 7...Exhaust outlet, 8...Aperture communication chamber, 9...Third expansion chamber, 10...Fourth expansion chamber, 1
1...8 communication chamber entrance, 12...8 communication chamber exit.

Claims

[Claims for Utility Model Registration] Within the casing 3 of the muffler 2 of the engine 1, the exhaust inlet 4 is connected to the exhaust outlet 7 via at least a primary expansion chamber 5 and a secondary expansion chamber 6 in order, and the primary expansion chamber In an engine muffler configured by forming a secondary expansion chamber 6 in the front side of the engine 5, the secondary expansion chamber 6 is exhausted through at least a throttle communication chamber 8, a tertiary expansion chamber 9 and a quaternary expansion chamber 10 in this order. A tertiary expansion chamber 9 is formed in front of the primary expansion chamber 5 and on the side of the secondary expansion chamber 6, and a tertiary expansion chamber 9 is formed in front of the primary expansion chamber 5 and below the tertiary expansion chamber 9. A quaternary expansion chamber 10 and a throttle communication chamber 8 are formed in front and behind each other, and a communication chamber inlet 11 on a lateral side of the throttle communication chamber 8 is opened at the lower side of the secondary expansion chamber 6, and a throttle communication A muffler for an engine characterized in that a communication chamber outlet 12 at the upper part of the chamber 8 is opened at the lower part of the tertiary expansion chamber 9.