JPS5859952U

JPS5859952U - vaporizer

Info

Publication number: JPS5859952U
Application number: JP10183382U
Authority: JP
Inventors: 浩宮本; 文二五十嵐
Original assignee: 株式会社日立製作所
Priority date: 1982-07-07
Filing date: 1982-07-07
Publication date: 1983-04-22

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のスモールベンチュリを備えた気化器の断
面図、第２図は本考案の一実施例であるスモールベンチ
ュリ部の断面図、第３図は第２図のＡ−Ｂ断面図、第４
図は第１図の気化器を使用した場合のエンジン排気中の
ＣＯ濃度と、第２図に示す気化器を使用した場合のエン
ジン排気中のＣＯ濃度とを比較して示す線図、第５図は
本考案の他の実施例であるブリッジタイプのメインノズ
ルを備えた気化器の断面図である。１・・・・・・吸気路、３・・・・・・スモールベンチ
ュリ、４・・・・・・メインノズル、１１・・・・・・
スリット（横長孔）。Fig. 1 is a cross-sectional view of a conventional carburetor equipped with a small venturi, Fig. 2 is a cross-sectional view of a small venturi portion according to an embodiment of the present invention, and Fig. 3 is a cross-sectional view taken along line A-B in Fig. 2. Fourth
Figure 5 is a diagram comparing the CO concentration in the engine exhaust when the carburetor shown in Figure 1 is used and the CO concentration in the engine exhaust when the carburetor shown in Figure 2 is used. The figure is a sectional view of a carburetor with a bridge type main nozzle, which is another embodiment of the present invention. 1...Intake path, 3...Small venturi, 4...Main nozzle, 11...
Slit (horizontal hole).

Claims

[Scope of utility model registration request]

In a carburetor equipped with a small venturi in the intake passage, a pair of horizontally elongated holes whose long axes are located in a direction perpendicular to the intake flow and which communicate between the inside and outside of the small venturi and face each other with a main nozzle in between are formed in the carburetor. A vaporizer, characterized in that it is provided on a wall surface of the small venturi above the lowest end of the small venturi and below the opening of the main nozzle.