JPS6451754U

JPS6451754U -

Info

Publication number: JPS6451754U
Application number: JP14753187U
Authority: JP
Priority date: 1987-09-29
Filing date: 1987-09-29
Publication date: 1989-03-30

Description

[Brief explanation of the drawing]

第１図は本考案の第１の実施例を、第２図は第
２の実施例を示す図、第３図は摺動弁式気化器に
一体に形成された従来構成の始動用補助気化器を
、第４図は固定ベンチユリと蝶形絞り弁をそなえ
たダウンドラフト気化器と一体に形成された従来
構成の始動用補助気化器を示す図である。符号の説明：１……始動用空気通路、２……始
動用混合気通路、３……始動用燃料通路、４……
混合室、５……始動用混合気通路２を開閉する弁
手段、６……主気化器の主吸気通路、７……摺動
絞り弁、８……固定ベンチユリ、９……蝶形絞り
弁、１０……浮子室、１１……ブリードチユーブ
、１２……サイフオン現象を断つための孔、１３
……調節螺子、１４……スプリング。 Fig. 1 shows a first embodiment of the present invention, Fig. 2 shows a second embodiment, and Fig. 3 shows a conventional starting auxiliary carburetor integrally formed in a sliding valve type carburetor. FIG. 4 is a diagram showing a conventional starting auxiliary carburetor integrally formed with a downdraft carburetor equipped with a fixed bench lily and a butterfly-shaped throttle valve. Explanation of symbols: 1... Air passage for starting, 2... Mixture passage for starting, 3... Fuel passage for starting, 4...
Mixing chamber, 5...Valve means for opening and closing the starting mixture passage 2, 6...Main intake passage of the main carburetor, 7...Sliding throttle valve, 8...Fixed bench lily, 9...Butterfly throttle valve , 10... Float chamber, 11... Bleed tube, 12... Hole for cutting off the siphon phenomenon, 13
...adjustment screw, 14...spring.

Claims

[Scope of utility model registration request]

An auxiliary starting carburetor that is integrally formed with the main carburetor that supplies a mixture of fuel and air to the engine, with one end opening upstream of the vent lily of the main intake passage 6 of the main carburetor. The other end of the passage 1 and the starting mixture passage 2, one end of which opens downstream of the throttle valve of the main intake passage 6 of the main carburetor, and the starting fuel passage 3 that leads fuel from the float chamber 10 of the main carburetor. In order to adjust the air-fuel ratio of the starting air-fuel mixture in the starting auxiliary carburetor which opens into the mixing chamber 4 and which is provided with a valve means for opening and closing the starting air-fuel mixture passage 2, An auxiliary carburetor for starting, in which an adjusting screw for adjusting the cross-sectional area of the passage is arranged in the starting fuel passage 3.