JPS6297211U - - Google Patents

Description

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

図面は本考案に係るエンジンのマフラを示す断
面図である。 １……マフラ本体、４……１次膨張室、５……
２次膨張室、６……出口室、７……入口管、８…
…第１連通管、１２……消炎室、１３……消炎室
出口、１４……消炎用金網。 The drawing is a sectional view showing a muffler of an engine according to the present invention. 1...Muffler body, 4...Primary expansion chamber, 5...
Secondary expansion chamber, 6... Outlet chamber, 7... Inlet pipe, 8...
...First communication pipe, 12... Flame-extinguishing chamber, 13... Flame-extinguishing chamber outlet, 14... Flame-extinguishing wire mesh.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジン排気をマフラ本体１の入口管７から、
少なくとも１次膨張室４、第１連通管８及び２次
膨張室５を通過させて、出口室６から排出するよ
うに構成したエンジンのマフラにおいて、２次膨
張室５内に消炎室１２を第１連通管８の外周部及
び終端部を取囲む状態に形成して、第１連通管８
を消炎室１２及び消炎室出口１３を介して２次膨
張室５に連通し、消炎室出口１３を入口管７及び
第１連通管８よりも通路断面積を大きく形成する
とともに、消炎出口１３に消炎用金網１４を設け
た事を特徴とするエンジンのマフラ。 Engine exhaust from the inlet pipe 7 of the muffler body 1,
In an engine muffler configured to allow exhaust gas to pass through at least the primary expansion chamber 4, the first communication pipe 8, and the secondary expansion chamber 5 and exhaust from the outlet chamber 6, a flame-extinguishing chamber 12 is provided in the secondary expansion chamber 5. The first communication pipe 8 is formed so as to surround the outer circumference and the terminal end of the first communication pipe 8.
is communicated with the secondary expansion chamber 5 via the flame-extinguishing chamber 12 and the flame-extinguishing chamber outlet 13, and the flame-extinguishing chamber outlet 13 is formed to have a passage cross-sectional area larger than that of the inlet pipe 7 and the first communication pipe 8. An engine muffler characterized by being provided with a flame-extinguishing wire mesh 14.