JPS63182268U

JPS63182268U -

Info

Publication number: JPS63182268U
Application number: JP7397687U
Authority: JP
Priority date: 1987-05-18
Filing date: 1987-05-18
Publication date: 1988-11-24

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例における３気筒ガソ
リンエンジン用キヤブレターのメインノズルを備
えたエンジンの要部の平面図、第２図はメインノ
ズルの要部の横断平面図である。１……第１シリンダ、２…第２シリンダ、３…
…第３シリンダ、５……吸気マニホールド、７…
…キヤブレター、９……マニホールド本体、１０
……第１の分岐管、１１……第２の分岐管、１２
……第３の分岐管、１４……メインノズル。 FIG. 1 is a plan view of the main part of an engine equipped with a main nozzle of a carburetor for a three-cylinder gasoline engine according to an embodiment of the present invention, and FIG. 2 is a cross-sectional plan view of the main part of the main nozzle. 1...first cylinder, 2...second cylinder, 3...
...Third cylinder, 5...Intake manifold, 7...
...Carburetor, 9...Manifold body, 10
...First branch pipe, 11...Second branch pipe, 12
...Third branch pipe, 14...Main nozzle.

Claims

[Scope of utility model registration request]

first to third cylinders arranged in series;
It has an intake manifold connected to these first to third cylinders, and a carburetor connected to this intake manifold, and the second cylinder, the first cylinder, and the third cylinder are ignited in this order, and the The intake manifold includes a manifold main body disposed near a second cylinder located at the center of the first to third cylinders, and a first manifold branching from the manifold main body and communicating with the combustion chamber of the first cylinder. a second branch pipe that branches from the manifold body and communicates with the combustion chamber of the second cylinder; and a third branch pipe that branches from the manifold body and communicates with the twisting chamber of the third cylinder. in a three-cylinder gasoline engine configured with a branch pipe and in which the carburetor is connected to the manifold main body, the main nozzle of the carburetor is connected to the first branch pipe so that the opening area of the main nozzle on the side closer to the third branch pipe is connected to the first branch pipe. A main nozzle of a carburetor for a three-cylinder gasoline engine, characterized in that the opening area is larger than the opening area on the closer side.