JPH0180659U

JPH0180659U -

Info

Publication number: JPH0180659U
Application number: JP1987175594U
Authority: JP
Priority date: 1987-11-17
Filing date: 1987-11-17
Publication date: 1989-05-30
Anticipated expiration: 2002-11-17
Also published as: JPH0515566Y2

Description

[Brief explanation of the drawing]

第１図〜第５図は第１の実施例を示し、第１図
は一部切欠平面図、第２図は第１図の―視拡
大断面図、第３図は第２図の―視断面図、第
４図は第２図の―視断面図、第５図は第２図
の―視断面図、第６図〜第８図は第２の実施
例を示し、第６図は前記第３図と同じ箇所の断面
図、第７図は第６図の―視断面図、第８図は
第７図の―視断面図である。１……内燃機関、……気筒、２……二連式気化
器、２１……気化器の一次側、２２……気化器の
二次側、３……吸気マニホールド、４……集合チ
ヤンバ、５，６……中間吸気管路、７，８，９，
１０……枝吸気管路、１１……一次側通孔、１２
……二次側通孔、１３，１４……突条。 1 to 5 show the first embodiment, FIG. 1 is a partially cutaway plan view, FIG. 2 is an enlarged sectional view of FIG. 1, and FIG. 3 is a perspective view of FIG. 2. 4 is a cross-sectional view of FIG. 2, FIG. 5 is a cross-sectional view of FIG. 2, FIGS. 6 to 8 show the second embodiment, and FIG. FIG. 7 is a sectional view of the same location as FIG. 3, FIG. 7 is a sectional view of FIG. 6, and FIG. 8 is a sectional view of FIG. 7. 1... Internal combustion engine,... Cylinder, 2... Dual carburetor, 21... Primary side of carburetor, 22... Secondary side of carburetor, 3... Intake manifold, 4... Collective chamber, 5, 6... intermediate intake pipe line, 7, 8, 9,
10... Branch intake pipe line, 11... Primary side through hole, 12
...Secondary side through hole, 13, 14...Protrusion.

Claims

[Scope of utility model registration request]

It consists of a dual carburetor having a primary side and a secondary side, and an intake manifold that distributes the air-fuel mixture from the carburetor to each cylinder of the internal combustion engine, and in the intake manifold, there is a collective chamber to which the carburetor is attached. , an intake device comprising a primary side passage communicating with the primary side of the carburetor and a secondary side passage communicating with the secondary side of the carburetor, the inner surface of the collecting chamber in the intake manifold includes: , characterized in that protrusions extending in the direction from the primary through hole to the secondary side through hole are formed on both left and right sides of the openings of the primary side through hole and the secondary side through hole into the collecting chamber. Intake system for internal combustion engines.