JPS626420U - - Google Patents

Description

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

第１図は本考案の実施例である要部の縦断面図
、第２図は第１図のＡ―Ａ線における視図、第３
図は第２図のＢ―Ｂ線における断面図、第４図お
よび第５図は第１図のＣ―Ｃ線およびＤ―Ｄ線に
おける断面図をそれぞれ示す。 １……シリンダー、２……マニホールド、３…
…マフラー、３ａ……前部、４，５……ジヤケツ
ト、２ｂ……後部、６……フイン。 Fig. 1 is a vertical sectional view of the main part of an embodiment of the present invention, Fig. 2 is a perspective view taken along the line A-A in Fig. 1, and Fig. 3
The figure shows a sectional view taken along line BB in FIG. 2, and FIGS. 4 and 5 show sectional views taken along line CC and DD in FIG. 1, respectively. 1...Cylinder, 2...Manifold, 3...
...muffler, 3a...front, 4,5...jacket, 2b...rear, 6...fin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダー１とその直下のマフラー３の間にシ
リンダー１に連通するマニホールド２の前部２ａ
を位置させ、該前部２ａの周囲部にはシリンダー
１側のジヤケツト４に連通するジヤケツト５を形
成し、シリンダー１とマフラー３の間から横外側
方に延出してマフラー３の側部に連通する前記マ
ニホールド２の後部２ｂを広いチヤンバーとなる
よう大形に形成するとともに、その外周部には冷
却用フイン６を形成して構成したことを特徴とす
るエンジンの排気装置。 A front part 2a of the manifold 2 that communicates with the cylinder 1 between the cylinder 1 and the muffler 3 directly below it.
A jacket 5 is formed around the front portion 2a to communicate with the jacket 4 on the cylinder 1 side, and extends laterally outwardly from between the cylinder 1 and the muffler 3 to communicate with the side of the muffler 3. An engine exhaust system characterized in that the rear part 2b of the manifold 2 is formed in a large size so as to form a wide chamber, and cooling fins 6 are formed on the outer peripheral part of the rear part 2b.