JPH0414736U - - Google Patents

Description

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

第１，２図は本考案に係る内燃機関の第１実施
例を示す図であり、第１図はその要部構成図、第
２図は第１図の−矢視断面図、第３図は本考
案に係る内燃機関の第２実施例を示す要部構成図
、第４図は本考案に係る内燃機関の第３実施例を
示す要部構成図、第５図は本考案に係る内燃機関
の第４実施例を示す要部構成図、第６〜８図は従
来の内燃機関を示す図であり、第６図はその内燃
機関の断面図、第７図はその燃焼室の要部構成図
、第８図は第７図の−矢視断面図である。 ３４，７１……燃焼室、３５ａ，３５ｂ……吸
気弁、３６ａ，３６ｂ……排気弁、４１，６４ａ
，６４ｂ，６４ｃ……稜線、４３，６５……吸気
管、４２ａ，４２ｂ，６５ａ，６５ｂ，６５ｃ…
…吸気ポート、４４，６６……制御弁、４５，６
７……切り欠き部、４６，６８……隔壁。 1 and 2 are diagrams showing a first embodiment of an internal combustion engine according to the present invention, in which FIG. 1 is a configuration diagram of its main parts, FIG. 2 is a sectional view taken along the - arrow in FIG. 1, and FIG. 4 is a block diagram of main parts showing a second embodiment of the internal combustion engine according to the present invention, FIG. 4 is a block diagram of main parts showing a third embodiment of the internal combustion engine according to the present invention, and FIG. 6 to 8 are diagrams showing a conventional internal combustion engine, FIG. 6 is a sectional view of the internal combustion engine, and FIG. 7 is a main part of the combustion chamber of the engine. The configuration diagram, FIG. 8, is a sectional view taken along the - arrow in FIG. 7. 34, 71... Combustion chamber, 35a, 35b... Intake valve, 36a, 36b... Exhaust valve, 41, 64a
, 64b, 64c...Ridge line, 43, 65...Intake pipe, 42a, 42b, 65a, 65b, 65c...
...Intake port, 44,66...Control valve, 45,6
7... Notch portion, 46, 68... Partition wall.

Claims (1)

【実用新案登録請求の範囲】 少なくとも２つ以上の吸気弁を有するとともに
排気弁との間に凸状の稜線が形成された燃焼室と
、 下流側で分岐されて吸気弁に接続される吸気ポ
ートを有する吸気管と、を備え、 前記吸気管に吸気管を開閉可能な制御弁を回動
自在に設け、 該制御弁は隣接する吸気ポートの隔壁延長線に
またがる位置に開口する切り欠き部を有し、 該切り欠き部の開口面積が隔壁延長線を挟んで
不均等となるようにしたことを特徴とする内燃機
関。[Claims for Utility Model Registration] A combustion chamber that has at least two intake valves and has a convex ridge line formed between it and the exhaust valve, and an intake port that is branched on the downstream side and connected to the intake valves. an intake pipe having an intake pipe, a control valve capable of opening and closing the intake pipe is rotatably provided in the intake pipe, and the control valve has a cutout portion that opens at a position spanning an extension line of a partition wall of an adjacent intake port. An internal combustion engine comprising: an internal combustion engine characterized in that the opening area of the cutout portion is uneven across the partition wall extension line.