JPS6314832U

JPS6314832U -

Info

Publication number: JPS6314832U
Application number: JP10669886U
Authority: JP
Priority date: 1986-07-14
Filing date: 1986-07-14
Publication date: 1988-01-30

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例の概略平面図、第
２図は各吸気弁の動作時期及びリフトと、燃料噴
射弁の噴射時期を示すグラフ、第３図は本考案の
第２実施例の概略平面図、第４図は本考案の第３
実施例の概略平面図である。１……第１吸気ポート、２……第２吸気ポート
、３……第３吸気ポート、４……第１吸気弁、５
……第２吸気弁、６……第３吸気弁、７……燃焼
室、８……排気ポート、９……排気弁、１０……
点火栓、１２……燃料噴射弁、Ａ，Ｂ……スワー
ル流。 Fig. 1 is a schematic plan view of the first embodiment of the present invention, Fig. 2 is a graph showing the operating timing and lift of each intake valve and the injection timing of the fuel injection valve, and Fig. 3 is a diagram showing the second embodiment of the invention. A schematic plan view of the example, FIG. 4 is the third example of the present invention.
FIG. 2 is a schematic plan view of the embodiment. 1...First intake port, 2...Second intake port, 3...Third intake port, 4...First intake valve, 5
...Second intake valve, 6...Third intake valve, 7...Combustion chamber, 8...Exhaust port, 9...Exhaust valve, 10...
Spark plug, 12...Fuel injection valve, A, B...Swirl flow.

Claims

[Claims for Utility Model Registration] 1. A first intake port that opens into the combustion chamber through a first intake valve, a second intake port that opens into the combustion chamber through a second intake valve, and a second intake port that opens into the combustion chamber through a second intake valve. The third intake port opens into the combustion chamber through the intake valve No. 3 and is equipped with a fuel injection valve. A double intake valve engine characterized in that openings of the first and second intake ports into the combustion chamber are arranged diagonally opposite each other with respect to the center of the combustion chamber. 2 The openings of the first intake port and the third intake port are arranged in a Siamese port arrangement, and there is one exhaust port, and the opening into the combustion chamber is connected to the opening of the first intake port. The dual intake valve engine according to claim 1, which is provided in a position facing the utility model. 3. The dual intake valve engine according to claim 1 or 2, which is a registered utility model, wherein the first intake port is a helical port that generates a swirl in the combustion chamber, and the second intake port is a straight port. 4. The dual intake valve engine according to claim 1 or 2, wherein both the first intake port and the second intake port are straight ports. 5. The dual intake valve engine according to claim 1 or 2, wherein both the first intake port and the second intake port are helical ports that generate swirl within the combustion chamber.