JPS6427430U - - Google Patents

Description

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

第１図は本考案に係る二サイクル内燃機関の一
実施例を示す要部縦断面図であり、第２図は第１
図の実施例の流体案内部材の拡大正面図、及び第
３図は第２図の―矢視断面図である。 １……二サイクル内燃機関、２……シリンダ、
３……ピストン、８……シリンダ室、１０……排
気孔、１２……マフラー、１３……排気管入口部
、１５……流体案内部材、１８……流体案内片。 FIG. 1 is a vertical cross-sectional view of essential parts showing an embodiment of a two-stroke internal combustion engine according to the present invention, and FIG.
FIG. 3 is an enlarged front view of the fluid guide member of the illustrated embodiment, and FIG. 3 is a sectional view taken along the arrow - in FIG. 1... Two-stroke internal combustion engine, 2... Cylinder,
3... Piston, 8... Cylinder chamber, 10... Exhaust hole, 12... Muffler, 13... Exhaust pipe inlet, 15... Fluid guide member, 18... Fluid guide piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン３を往復動可能に配置したシリンダ室
８及び該シリンダ室からの排気を導く排気孔１０
を有するシリンダ２と、前記排気孔に連通する排
気管入口部１３を有するマフラー１２とを含む二
サイクル内燃機関１において、前記シリンダ２の
排気孔１０及び前記マフラー１２の排気管入口部
１３の間に、前記排気管入口部１３の下側面にほ
ぼ沿つて延びる流体案内片１８を有する流体案内
部材１５を設けたことを特徴とする二サイクル内
燃機関。 A cylinder chamber 8 in which the piston 3 is arranged so as to be able to reciprocate, and an exhaust hole 10 that guides exhaust from the cylinder chamber.
In a two-stroke internal combustion engine 1 including a cylinder 2 having a cylinder 2 and a muffler 12 having an exhaust pipe inlet part 13 communicating with the exhaust hole, a space between the exhaust hole 10 of the cylinder 2 and the exhaust pipe inlet part 13 of the muffler 12 A two-stroke internal combustion engine characterized in that a fluid guiding member 15 having a fluid guiding piece 18 extending substantially along the lower surface of the exhaust pipe inlet portion 13 is provided.