JPH01127934U - - Google Patents

Description

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

第１図はこの考案の第１の実施例の吸気装置を
示す内燃機関のシリンダヘツド下面側から見た一
部を切欠いた平断面図、第２図は同内燃機関の縦
断面図、第３図は第２の実施例に係わるシリンダ
ヘツド底面側から見た吸気装置の構成図、第４図
は同縦断面図、第５図は第３の実施例の第１図に
相当する平断面図、第６図は同縦断面図、第７図
は従来の吸気装置を示す第１図に相当する平断面
図である。 １５……第１の吸気ポート、１７……第２の吸
気ポート、２７……隔壁、２７ａ……上流端、２
９……制御弁、２９ａ……切欠。 Fig. 1 is a partially cutaway plan sectional view of the intake system of the first embodiment of the invention, as seen from the bottom side of the cylinder head of an internal combustion engine; Fig. 2 is a longitudinal sectional view of the internal combustion engine; The figure is a configuration diagram of the intake system seen from the bottom side of the cylinder head according to the second embodiment, FIG. 4 is a longitudinal sectional view of the same, and FIG. 5 is a plan sectional view corresponding to FIG. 1 of the third embodiment. , FIG. 6 is a longitudinal sectional view of the same, and FIG. 7 is a plan sectional view corresponding to FIG. 1 showing a conventional intake device. 15... First intake port, 17... Second intake port, 27... Partition wall, 27a... Upstream end, 2
9...Control valve, 29a...Notch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸気ポートを複数有し、絞り弁下流に設けられ
た制御弁によつて前記吸気ポートを流れる吸気流
動を制御するようにした内燃機関の吸気装置にお
いて、前記各吸気ポート相互間の隔壁上流端に近
接して各吸気ポートを開閉可能な前記制御弁を設
け、この制御弁の前記各吸気ポートの何れかに面
する部位に切欠を設けたことを特徴とする内燃機
関の吸気装置。 In an intake system for an internal combustion engine, which has a plurality of intake ports, and the flow of intake air flowing through the intake ports is controlled by a control valve provided downstream of a throttle valve, an upstream end of a partition wall between each of the intake ports is provided. An intake system for an internal combustion engine, characterized in that the control valve capable of opening and closing each intake port is provided in close proximity to each other, and a notch is provided in a portion of the control valve facing either of the intake ports.