JPS62165425U - - Google Patents

Description

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

第１図は多気筒エンジンの排気系を示す一部破
断正面図、第２図は排気マニホールド部の取出し
斜視図である。 ２…排気マニホールド、４…マフラ、５…マフ
ラカバー、７…排気出口、８…吸風口、９…排風
口、１０…防塵板、１４…通風口、Ｅ…エンジン
。 FIG. 1 is a partially cutaway front view showing the exhaust system of a multi-cylinder engine, and FIG. 2 is a perspective view taken out of the exhaust manifold. 2...exhaust manifold, 4...muffler, 5...muffler cover, 7...exhaust outlet, 8...air intake port, 9...air exhaust port, 10...dustproof plate, 14...ventilation port, E...engine.

Claims (1)

【実用新案登録請求の範囲】 エンジンＥの排気マニホールド２上にマフラ４
を立上がらせ、マフラ４を吸引式のマフラカバー
５で覆い、マフラカバー５の下部に吸風口８を設
けるとともに、マフラカバー５の上部に排風口９
を設け、ヤフラ４の上端に形成した排気出口７か
ら流出する排気のエジエクト作用により、マフラ
冷却風をマフラカバー５の吸風口８から排風口９
へ吸い上げるように構成し、排気マニホールド２
の上面を防塵板１０で覆つてなる多気筒エンジン
の排気装置において、 防塵板１０の周縁部を折下げて排気マニホール
ド２の周面を覆わせるとともに、防塵板１０の一
部に設けた通風口１４をマフラカバー５の吸風口
８に連通させた事を特徴とする多気筒エンジンの
排気装置。[Scope of claim for utility model registration] Muffler 4 on exhaust manifold 2 of engine E
The muffler 4 is covered with a suction type muffler cover 5, an air intake port 8 is provided at the bottom of the muffler cover 5, and an air exhaust port 9 is provided at the top of the muffler cover 5.
is provided, and by the ejecting action of the exhaust gas flowing out from the exhaust outlet 7 formed at the upper end of the muffler 4, the muffler cooling air is transferred from the air intake port 8 of the muffler cover 5 to the air exhaust port 9.
Exhaust manifold 2
In an exhaust system for a multi-cylinder engine whose upper surface is covered with a dustproof plate 10, the peripheral edge of the dustproof plate 10 is folded down to cover the circumferential surface of the exhaust manifold 2, and a ventilation hole provided in a part of the dustproof plate 10 is provided. 14 is connected to an air intake port 8 of a muffler cover 5.