JPS59133758U - Carburetor air-fuel ratio correction device - Google Patents

Carburetor air-fuel ratio correction device

Info

Publication number
JPS59133758U
JPS59133758U JP2711683U JP2711683U JPS59133758U JP S59133758 U JPS59133758 U JP S59133758U JP 2711683 U JP2711683 U JP 2711683U JP 2711683 U JP2711683 U JP 2711683U JP S59133758 U JPS59133758 U JP S59133758U
Authority
JP
Japan
Prior art keywords
fuel
correction
passage
carburetor
diaphragm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2711683U
Other languages
Japanese (ja)
Other versions
JPS6339404Y2 (en
Inventor
俊夫 杉井
Original Assignee
三國工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三國工業株式会社 filed Critical 三國工業株式会社
Priority to JP2711683U priority Critical patent/JPS59133758U/en
Publication of JPS59133758U publication Critical patent/JPS59133758U/en
Application granted granted Critical
Publication of JPS6339404Y2 publication Critical patent/JPS6339404Y2/ja
Granted legal-status Critical Current

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  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来例（一点鎖線）と本考案（実線）との作動
圧力と空燃比との関係を示すグラフ、第２図は本考案の
気化器の空燃比補正装置の一実施例を示す断面図である
。 １０・・・気化器本体、１２・・・吸気通路、２０・・
・フロート室、２２・・・主燃料通路、３７・・・ター
ボチャージャー、３８・・・エアーベント、４０・・・
補正燃料通路、４２・・・燃料調整弁装置、４４・・・
ダイヤフラム、４６・・・大気室、４８・・・燃料室、
５０・・・圧縮ばネ、５２・・・弁体、５４・・・ニー
ドル弁。Fig. 1 is a graph showing the relationship between the operating pressure and air-fuel ratio of the conventional example (dotted chain line) and the present invention (solid line), and Fig. 2 shows an embodiment of the air-fuel ratio correction device for a carburetor of the present invention. FIG. 10... Carburetor body, 12... Intake passage, 20...
・Float chamber, 22... Main fuel passage, 37... Turbocharger, 38... Air vent, 40...
Correction fuel passage, 42...Fuel adjustment valve device, 44...
Diaphragm, 46... atmospheric chamber, 48... fuel chamber,
50... Compression spring, 52... Valve body, 54... Needle valve.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）吸気通路上流にターボチャージャーを配設し、そ
のターボ圧をフロート室に導（ために吸気通路上流とフ
ロート室上部とをエアーベントで連通した気化器におい
て、主燃料通路途中にフロート室下部から通じる補正燃
料通路を連結すると共に、フロート圧に応じて前記補正
燃料通路を開閉しかつ開放時にフロート室内圧に応じて
補正燃料を通過する燃料流量を調整する燃料調整弁手段
を備えたことを特徴とする気化器の空燃比補正装置。(1) In a carburetor in which a turbocharger is installed upstream of the intake passage and its turbo pressure is guided to the float chamber (in order to communicate the upstream side of the intake passage and the upper part of the float chamber with an air vent, the float chamber is placed in the middle of the main fuel passage). A fuel regulating valve means is provided which connects the correction fuel passage leading from the lower part, opens and closes the correction fuel passage according to the float pressure, and adjusts the fuel flow rate passing through the correction fuel according to the float chamber pressure when the passage is opened. An air-fuel ratio correction device for a carburetor. （２）前記燃料調整弁手段が、ダイヤフラムと、ダイヤ
フラムによって区画される大気室及び前記補正燃料通路
の経路である燃料室と、大気室内に配置されダイヤフラ
ムを燃料室側に付勢する圧縮ばねと、ダイヤフラムに取
付けられ前記補正燃料通路を開閉する弁体と、ダイヤフ
ラムに取付けられ補正燃料通路の開放時にその補正燃料
通路を流れる燃料流量を調節するニードル弁とから成る
ことを特徴とする実用新案登録請求の範囲第１項記載の
気化器の空燃比補正装置。(2) The fuel adjustment valve means includes a diaphragm, an atmospheric chamber defined by the diaphragm, a fuel chamber serving as a path for the correction fuel passage, and a compression spring disposed within the atmospheric chamber to bias the diaphragm toward the fuel chamber. , a registered utility model characterized by comprising a valve body attached to a diaphragm to open and close the correction fuel passage, and a needle valve attached to the diaphragm to adjust the flow rate of fuel flowing through the correction fuel passage when the correction fuel passage is opened. An air-fuel ratio correction device for a carburetor according to claim 1. （３）前記ニードル弁の先端を上方に向けて設置したこ
と゛を特徴とする実用新案登録請求の範囲第２項記舅の
気化器の空燃補正装置。(3) The air-fuel correction device for a carburetor as claimed in claim 2, characterized in that the tip of the needle valve is installed with the tip facing upward. （４）前記主燃料通路に前記燃料調整弁手段とは別に負
圧作動によるエンリッチメント装置を連結したことを特
徴とする実用新案登録請求の範囲第１項記載の気化器の
空燃比補正装置。(4) The air-fuel ratio correcting device for a carburetor according to claim 1, wherein an enrichment device operating under negative pressure is connected to the main fuel passage separately from the fuel regulating valve means.
JP2711683U 1983-02-28 1983-02-28 Carburetor air-fuel ratio correction device Granted JPS59133758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2711683U JPS59133758U (en) 1983-02-28 1983-02-28 Carburetor air-fuel ratio correction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2711683U JPS59133758U (en) 1983-02-28 1983-02-28 Carburetor air-fuel ratio correction device

Publications (2)

Publication Number Publication Date
JPS59133758U true JPS59133758U (en) 1984-09-07
JPS6339404Y2 JPS6339404Y2 (en) 1988-10-17

Family

ID=30158010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2711683U Granted JPS59133758U (en) 1983-02-28 1983-02-28 Carburetor air-fuel ratio correction device

Country Status (1)

Country Link
JP (1) JPS59133758U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981727A (en) * 1972-12-11 1974-08-07
JPS55164741A (en) * 1979-06-11 1980-12-22 Hitachi Ltd Feedback system for internal combustion engine with supercharger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981727A (en) * 1972-12-11 1974-08-07
JPS55164741A (en) * 1979-06-11 1980-12-22 Hitachi Ltd Feedback system for internal combustion engine with supercharger

Also Published As

Publication number Publication date
JPS6339404Y2 (en) 1988-10-17

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