JPS63125153U

JPS63125153U -

Info

Publication number: JPS63125153U
Application number: JP1863087U
Authority: JP
Priority date: 1987-02-09
Filing date: 1987-02-09
Publication date: 1988-08-16

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示し、第１図イ
はスモールベンチユリー内に配設されたメインノ
ズルの要部平面図、第１図ロは第１図イの側面断
面図、第２図は本考案の第２実施例を示し、第２
図イは第１図イに対応させた平面図、第２図ロは
第１図ロに対応させた側面断面図、第３図は混合
気配分と混合比特性を示す図であり、第３図イは
本考案のメインノズルにおける特性図、第３図ロ
は従来の水平管式メインノズルにおける特性図、
第３図ハは従来の突出管式メインノズルにおける
特性図、第４図は従来の気化器の構成図、第５図
イは従来の突出管式メインノズルの構造を示す平
面図、第５図ロは第５図イの側面断面図、第６図
は従来の水平管式メインノズルを示し、第６図イ
は第５図イに対応させた平面図、第６図ロは第５
図ロに対応させた側面断面図である。５４……スモールベンチユリー、５６，５６ａ
，５６ｂ……燃料通路、Ｙ，Ｙａ，Ｙｂ……分岐
通路、１，２，１１，１２，１３，１４……メイ
ンノズル、Ｂ……ベンチユリー部、Ｃ……燃料噴
出方向、Ｇ……燃料。 FIG. 1 shows a first embodiment of the present invention, FIG. 1A is a plan view of the main part of the main nozzle disposed in the small ventilate, FIG. 1B is a side sectional view of FIG. 1A, FIG. 2 shows a second embodiment of the present invention.
Figure A is a plan view corresponding to Figure 1B, Figure 2B is a side sectional view corresponding to Figure 1B, and Figure 3 is a diagram showing the air-fuel mixture distribution and mixture ratio characteristics. Figure A is a characteristic diagram of the main nozzle of the present invention, Figure 3 B is a characteristic diagram of a conventional horizontal tube type main nozzle,
Fig. 3C is a characteristic diagram of a conventional protruding tube type main nozzle, Fig. 4 is a configuration diagram of a conventional carburetor, and Fig. 5A is a plan view showing the structure of a conventional protruding tube type main nozzle. B is a side sectional view of FIG. 5A, FIG. 6 is a conventional horizontal tube type main nozzle, FIG. 6A is a plan view corresponding to FIG. 5A, and FIG.
It is a side sectional view made to correspond to figure B. 54...Small bench lily, 56,56a
, 56b... fuel passage, Y, Ya, Yb... branch passage, 1, 2, 11, 12, 13, 14... main nozzle, B... ventilate section, C... fuel injection direction, G... fuel .

Claims

[Scope of Claim for Utility Model Registration] (1) Two or more protruding pipe type main nozzles for ejecting fuel that protrude toward the center of the vent turret of the small vent turret in the small vent lily of a multiple vent lily type carburetor. A vaporizer main nozzle characterized by the provision of a main nozzle. (2) The main nozzle of the carburetor according to claim 1, wherein the main nozzles are arranged in two opposite directions toward the center of the small vent turret. (3) The carburetor main nozzle according to claim 1, wherein the four main nozzles are arranged facing each other toward the center of the small vent turret. (4) A carburetor main nozzle according to claim 1, which is configured so that fuel is supplied to a plurality of main nozzles through a plurality of fuel passages.