JP4102914B2 - Fuel cut solenoid valve device in carburetor - Google Patents

Fuel cut solenoid valve device in carburetor Download PDF

Info

Publication number
JP4102914B2
JP4102914B2 JP2001031367A JP2001031367A JP4102914B2 JP 4102914 B2 JP4102914 B2 JP 4102914B2 JP 2001031367 A JP2001031367 A JP 2001031367A JP 2001031367 A JP2001031367 A JP 2001031367A JP 4102914 B2 JP4102914 B2 JP 4102914B2
Authority
JP
Japan
Prior art keywords
chamber
movable core
fuel
solenoid valve
carburetor
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.)
Expired - Fee Related
Application number
JP2001031367A
Other languages
Japanese (ja)
Other versions
JP2002235605A (en
Inventor
田中雅己
洵 坂井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keihin Corp
Original Assignee
Keihin Corp
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 Keihin Corp filed Critical Keihin Corp
Priority to JP2001031367A priority Critical patent/JP4102914B2/en
Publication of JP2002235605A publication Critical patent/JP2002235605A/en
Application granted granted Critical
Publication of JP4102914B2 publication Critical patent/JP4102914B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

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

Description

【0001】
【産業上の利用分野】
本発明は機関へ供給する混合気の量及び濃度を調整、制御する気化器に関し、そのうち特に、吸気路内に開口する燃料供給路の上流側の開口部をソレノイドバルブによって開閉する気化器における燃料カットソレノイドバルブ装置に関する。
【0002】
【従来の技術】
従来の気化器における燃料カットソレノイドバルブ装置について図2により説明する。1は、内部を側方に吸気路2が貫通する気化器本体であり、吸気路2は運転者によって操作される絞り弁3によって開閉制御される。4は気化器本体1の下方に配置される浮子室本体であり、これらによって浮子室5が形成され、この浮子室5内にはフロート6及び図示されていないバルブシート、フロートバルブによって定液面X−Xが形成される。Mはその下流側が吸気路2内に開口し、上流側が浮子室5内の定液面X−X下に開口する燃料供給路である。(前記において上流、下流は燃料の流れ方向においていう)燃料供給路Mの上流側の開口部MAは水平方向に開口された。前記燃料供給路M内には、主燃料系を構成する主燃料ジェット7と主ノズル8が配置され、主ノズル8の上端は吸気路2内に開口する。又低速燃料系は、主燃料ジェット7の上流位置にある燃料供給路Mから分岐され、その下流側がバイパス孔9を介して吸気路2内へ開口する。Sはソレノイドバルブであり、ハウジング10内にコイル11が巻回されたコイルボビン12が配置され、コイルボビン12の一端に固定コア13が固定配置されるとともに固定コア13に対向して可動コア14が配置される。前記可動コア14は可動コアガイド孔15内に摺動自在に配置されるとともに可動コア14と固定コア13との対向端部間にはスプリング16が縮設される。前記ソレノイドバルブSは浮子室本体4の側壁4Aに可動コアガイド孔15が水平方向になるよう配置される。浮子室本体4の底部4Bから上方に向かって仕切壁4Cが立設される。この仕切壁4Cの上端4Dは燃料供給路Mの上流側の開口部MAより上方であり、定液面X−Xより下方である。以上によると、浮子室5内は前記仕切壁4Cによって第1室5Aと第2室5Bとに区分されてその底部が遮断され、第1室5Aと第2室5Bとは仕切壁4Cの上端4Dを介して連絡される。いいかえると、第1室5Aと第2室5Bとはともに定液面X−Xより下方に位置される。そして前記第1室には、その底部にドレン孔16が開口し、水平方向には燃料供給路MAの上流側の開口部MAが開口する。ドレン孔16はその上流が第1室5Aに開口し、下流が大気に開口し、その中間部にドレン孔16を開閉するドレンスクリュー(図示せず)が配置され、通常ドレンスクリューはドレン孔16を閉塞保持する。17はソレノイドバルブSの可動コア14と一体的に水平方向に形成される弁体であり、この弁体17は第2室5Bから仕切壁4Cに穿設される挿通孔4E、第1室5Aを通り、その先端の弁部17Aが燃料供給路MAの上流側の開口部MAに臨んで配置される。
【0003】
そして、前記弁体17を含むソレノイドバルブSは、機関の運転操作に先立って通電が開始されるもので、これによると可動コア14はスプリング16のバネ力に抗して左動し、弁体17の弁部17Aが燃料供給路Mの上流側の開口部MAを開放保持する。以上によると、第1室5A内に貯溜される燃料は、開口部MAを介して燃料供給路M内に吸入され、この燃料が主ノズル8及びバイパス孔9より吸気路2内へ吸出され、もって機関の運転が行なわれる。
【0004】
又、浮子室5内が仕切壁4Cによって第1室5Aと第2室5Bとに分離されるのは以下の理由による。すなわち、機関の運転中において、ソレノイドバルブSには連続的に電流が供給されるものでこれによるとコイル11は発熱し、ソレノイドバルブSが取着される浮子室本体4の側壁4Aが加熱され、側壁4Aの近傍に存在する燃料温度が上昇し、燃料中に気泡を発生させる場合がある。そして、この気泡が燃料供給路M内に吸入されることは吸気路2内への燃料の供給が不連続となるとともに正確な燃料を供給できないことにつながる。従って、前記気泡が燃料供給路Mの上流側の開口部MAに向かって流れることを抑止するとともに気泡を上方に向かって排出することを目的として仕切壁4Cが立設されたものである。
【0005】
【発明が解決しようとする課題】
ここで、前記における可動コア14と弁体17について着目すると、弁体17の直径は可動コアの直径より小径をなすとともにそれらは同芯に形成される。又、可動コアガイド孔15の直径と仕切壁4Cに穿設される挿通孔4Dの直径について着目すると挿通孔4Dの直径は、可動コアガイド孔15の直径より小径をなすとともにそれらは同芯に配置される。一方、機関を長期間に渡って運転しない状態においては、浮子室5内の燃料劣化を抑止する為に、ドレンスクリューを動作してドレン孔16を開放状態とし、浮子室5内の燃料を外部に排出し、浮子室5内を空状態として保管することが行なわれる。ここで、浮子室5内における前記燃料の排出について着目すると、浮子室5を含む第1室5Aについてみると、ドレン孔16が第1室5Aの底部4Bに開口されることから燃料は全て排出され、空状態にされる。一方、第2室5B内の燃料は、挿通孔4Dから第1室5Aよりドレン孔16を介して排出されるものであり、このとき挿通孔4Eの重力方向底部4Fより下方位置にある第2室5B内の燃料は排出されることがなく第2室5B内に滞溜する。これは第2室5B内の一点鎖線で示される。
【0006】
そして、この状態において可動コアガイド孔15の重力方向底部15Aは、前記第2室5B内に滞溜する残溜材料より下方位置にあり、これによると、この燃料が可動コアガイド孔15内に進入することになる。そして、かかる状態において、気化器が長期間に渡って不使用状態にさらされた時、前記燃料は大きく劣化してゲル状となり、再使用時において可動コア14が可動コアガイド孔15に固着され、ソレノイドバルブSを作動できないという不具合が生ずる。
【0007】
本発明は前記不具合に鑑み成されたもので、気化器を長期間に渡って放置した後に再び使用した際、支障なくソレノイドバルブを動作することのできる気化器における燃料カットソレノイドバルブ装置を提供することを目的とする。
【0008】
【課題を解決する為の手段】
本発明になる気化器における燃料カットソレノイドバルブ装置は前記目的達成の為に、気化器本体を貫通する吸気路に、その下流側が開口し、その上流側が浮子室内の定液面X−X下に開口する燃料供給路を備え、前記浮子室内への燃料供給路の上流側の開口部が浮子室本体の側壁に水平方向に配置されるソレノイドバルブの可動コアと同期的に移動する弁体によって開閉される気化器における燃料カットソレノイドバルブ装置において、浮子室は、浮子室本体の底部から燃料供給路の上流側の開口部より上方に向かう仕切壁によって第1室と第2室とに区分され、前記第1室には、燃料供給路の上流側の開口部が開口するとともに底部にドレン孔が開口し、第2室にはソレノイドバルブの可動コアを移動自在に案内する可動コアガイド孔が水平方向に臨んで配置され、前記可動コアと一体的に移動する弁体は、第2室、仕切壁に穿設される挿通孔、第1室を介して前記開口部に臨んで配置され、前記挿通孔の重力方向底部を可動コアガイド孔の重力方向底部より下方に配置したことを特徴とする。
【0009】
【作用】
ドレンスクリューを操作してドレン孔を開放状態とすると、浮子室を含む第1室内の燃料はドレン孔を介して全て外部へ排出される。第2室内の燃料は挿通孔より第1室、ドレン孔を介して外部へ排出されるもので、第2室内には挿通孔の重力方向底部の高さ迄、燃料が残留することになる。一方、挿通孔の重力方向底部は可動コアガイド孔の重力方向底部より下方向に配置され、可動コアガイド孔の重力方向底部が挿通孔の重力方向底部より上方位置に配置されるので、第2室内に残留する燃料が可動コアガイド孔内に進入することはない。
【0010】
【実施例】
以下、本発明になる気化器における燃料カットソレノイドバルブ装置の一実施例について図1により説明する。尚、図2と同一構造部分については同一符号を使用する。本発明において、挿通孔4Eの重力方向底部4Fは可動コアガイド孔15の重力方向底部15Aより下方位置に形成される。以上によると、機関を長期間に渡って放置する際において、ドレンスクリューを操作してドレン孔16より浮子室5内の燃料を排出する際、第2室5B内には挿通孔4Eの重力方向底部4Fの高さに等しい液面を形成する燃料が残留する。ここで、本発明にあっては、挿通孔4Eの重力方向底部4Fは、可動コアガイド孔15の重力方向底部15Aより下方位置に形成されたので、可動コアガイド孔15は第2室5B内に残留する燃料液面より上方位置に配置されることになる。従って機関を長期に渡って放置した際において、可動コアガイド孔15内には何等の燃料が進入することがないもので、仮に第2室5B内の燃料が劣化してゲル状に変化したとしてもこのゲル状物質が可動コア14に何等の影響を与えるものでない。従って、機関を長期に渡って放置した後において、機関の運転と同期してソレノイドバルブSを操作した際、可動コア14は円滑に動作しうるもので機関の良好な運転性を維持できる。
【0011】
【発明の効果】
以上の如く、本発明になる気化器における燃料カットソレノイドバルブ装置によると、浮子室は、浮子室本体の底部から燃料供給路の上流側の開口部より上方に向かう仕切壁によって第1室と第2室とに区分され、前記第1室には、燃料供給路の上流側の開口部が開口するとともに底部にドレン孔が開口し、第2室にはソレノイドバルブの可動コアを移動自在に案内する可動コアガイド孔が水平方向に臨んで配置され、前記可動コアと一体的に移動する弁体は、第2室、仕切壁に穿設される挿通孔、第1室を介して前記開口部に臨んで配置され、前記挿通孔の重力方向底部を可動コアガイド孔の重力方向底部より下方に配置したので機関を長期間に放置するドレン状態において可動コアガイド孔内へ燃料が進入して保持されることがなく、これによって長期間放置後の運転時において可動コアを円滑に動作でき、機関の運転性が阻害されることがない。
【図面の簡単な説明】
【図1】 本発明になる気化器における燃料カットソレノイドバルブ装置の一実施例を示す縦断面図。
【図2】 従来の気化器における燃料カットソレノイドバルブ装置を示す縦断面図。
【符号の説明】
1 気化器本体
2 吸気路
4 浮子室本体
4C 仕切壁
4E 挿通孔
4F 重力方向底部
5A 第1室
5B 第2室
14 可動コア
15 可動コアガイド孔
15A 重力方向底部
17 弁体
M 燃料供給路
[0001]
[Industrial application fields]
The present invention relates to a carburetor that adjusts and controls the amount and concentration of an air-fuel mixture supplied to an engine, and in particular, a fuel in a carburetor that opens and closes an opening on the upstream side of a fuel supply passage that opens into an intake passage by a solenoid valve. The present invention relates to a cut solenoid valve device.
[0002]
[Prior art]
A fuel cut solenoid valve device in a conventional carburetor will be described with reference to FIG. Reference numeral 1 denotes a carburetor main body through which an intake passage 2 passes laterally. The intake passage 2 is controlled to be opened and closed by a throttle valve 3 operated by a driver. Reference numeral 4 denotes a floating chamber main body disposed below the vaporizer main body 1, and a floating chamber 5 is formed by these, and a constant liquid level is formed in the floating chamber 5 by a float 6, a valve seat (not shown), and a float valve. XX is formed. M is a fuel supply path whose downstream side opens into the intake passage 2 and whose upstream side opens below the constant liquid level XX in the float chamber 5. (In the above, upstream and downstream are in the fuel flow direction) The opening MA on the upstream side of the fuel supply path M was opened in the horizontal direction. In the fuel supply path M, a main fuel jet 7 and a main nozzle 8 constituting a main fuel system are arranged, and the upper end of the main nozzle 8 opens into the intake path 2. The low-speed fuel system is branched from the fuel supply path M at the upstream position of the main fuel jet 7, and the downstream side opens into the intake path 2 through the bypass hole 9. S is a solenoid valve, in which a coil bobbin 12 around which a coil 11 is wound is disposed in a housing 10, a fixed core 13 is fixedly disposed at one end of the coil bobbin 12, and a movable core 14 is disposed facing the fixed core 13. Is done. The movable core 14 is slidably disposed in the movable core guide hole 15, and a spring 16 is contracted between the opposed ends of the movable core 14 and the fixed core 13. The solenoid valve S is disposed on the side wall 4A of the floating chamber body 4 so that the movable core guide hole 15 is in the horizontal direction. A partition wall 4C is erected upward from the bottom 4B of the float chamber body 4. The upper end 4D of the partition wall 4C is above the opening MA on the upstream side of the fuel supply path M and below the constant liquid level XX. According to the above, the inside of the float chamber 5 is divided into the first chamber 5A and the second chamber 5B by the partition wall 4C and the bottom thereof is blocked, and the first chamber 5A and the second chamber 5B are the upper ends of the partition wall 4C. Contacted via 4D. In other words, the first chamber 5A and the second chamber 5B are both positioned below the constant liquid level XX. A drain hole 16 is opened at the bottom of the first chamber, and an opening MA on the upstream side of the fuel supply path MA is opened in the horizontal direction. The drain hole 16 is opened upstream to the first chamber 5A, the downstream is opened to the atmosphere, and a drain screw (not shown) that opens and closes the drain hole 16 is disposed in the middle of the drain hole. Keep closed. Reference numeral 17 denotes a valve body that is formed in a horizontal direction integrally with the movable core 14 of the solenoid valve S. The valve body 17 includes an insertion hole 4E that is drilled from the second chamber 5B to the partition wall 4C, and the first chamber 5A. And the valve portion 17A at the tip of the valve portion 17A is disposed facing the upstream opening portion MA of the fuel supply path MA.
[0003]
The solenoid valve S including the valve body 17 starts energization prior to the operation of the engine. According to this, the movable core 14 moves to the left against the spring force of the spring 16, and the valve body The seventeen valve parts 17A hold the opening MA on the upstream side of the fuel supply path M open. According to the above, the fuel stored in the first chamber 5A is sucked into the fuel supply path M through the opening MA, and this fuel is sucked into the intake path 2 from the main nozzle 8 and the bypass hole 9, Thus, the engine is operated.
[0004]
Further, the reason why the interior of the floating chamber 5 is separated into the first chamber 5A and the second chamber 5B by the partition wall 4C is as follows. That is, during operation of the engine, a current is continuously supplied to the solenoid valve S. According to this, the coil 11 generates heat, and the side wall 4A of the floating chamber body 4 to which the solenoid valve S is attached is heated. In some cases, the temperature of the fuel present in the vicinity of the side wall 4A rises and bubbles are generated in the fuel. When the bubbles are sucked into the fuel supply path M, the supply of fuel into the intake path 2 becomes discontinuous and accurate fuel cannot be supplied. Accordingly, the partition wall 4 </ b> C is erected for the purpose of preventing the bubbles from flowing toward the opening MA on the upstream side of the fuel supply path M and discharging the bubbles upward.
[0005]
[Problems to be solved by the invention]
Here, paying attention to the movable core 14 and the valve body 17 described above, the diameter of the valve body 17 is smaller than the diameter of the movable core and they are formed concentrically. Further, focusing on the diameter of the movable core guide hole 15 and the diameter of the insertion hole 4D formed in the partition wall 4C, the diameter of the insertion hole 4D is smaller than the diameter of the movable core guide hole 15, and they are concentric. Be placed. On the other hand, when the engine is not operated for a long period of time, in order to suppress fuel deterioration in the float chamber 5, the drain screw is operated to open the drain hole 16, and the fuel in the float chamber 5 is discharged to the outside. And the floating chamber 5 is stored in an empty state. Here, paying attention to the discharge of the fuel in the float chamber 5, when looking at the first chamber 5A including the float chamber 5, the drain hole 16 is opened to the bottom 4B of the first chamber 5A, so that all the fuel is discharged. And is emptied. On the other hand, the fuel in the second chamber 5B is discharged from the first hole 5A through the drain hole 16 through the insertion hole 4D, and at this time, the second is located below the bottom 4F in the gravity direction of the insertion hole 4E. The fuel in the chamber 5B stays in the second chamber 5B without being discharged. This is indicated by a one-dot chain line in the second chamber 5B.
[0006]
In this state, the bottom 15A in the gravity direction of the movable core guide hole 15 is located below the residual material that stays in the second chamber 5B. According to this, the fuel enters the movable core guide hole 15. To enter. In such a state, when the carburetor is exposed to a non-use state for a long period of time, the fuel is greatly deteriorated to become a gel, and the movable core 14 is fixed to the movable core guide hole 15 at the time of reuse. This causes a problem that the solenoid valve S cannot be operated.
[0007]
The present invention has been made in view of the above problems, and provides a fuel cut solenoid valve device in a carburetor that can operate a solenoid valve without hindrance when the carburetor is left for a long period of time and then used again. For the purpose.
[0008]
[Means for solving the problems]
In order to achieve the above object, the fuel cut solenoid valve device in the carburetor according to the present invention has an intake passage penetrating the carburetor body, the downstream side thereof being opened, and the upstream side thereof being below the constant liquid level XX in the float chamber. An open fuel supply passage is provided, and an opening on the upstream side of the fuel supply passage into the float chamber is opened and closed by a valve body that moves synchronously with a movable core of a solenoid valve disposed horizontally on the side wall of the float chamber body. In the fuel cut solenoid valve device in the carburetor, the float chamber is divided into a first chamber and a second chamber by a partition wall extending from the bottom of the float chamber main body to the upstream side of the opening on the fuel supply path , The first chamber has an opening on the upstream side of the fuel supply passage and a drain hole at the bottom, and the second chamber has a movable core guide hole for movably guiding the movable core of the solenoid valve. A valve element that faces the flat direction and moves integrally with the movable core is disposed to face the opening through the second chamber, an insertion hole formed in the partition wall, and the first chamber. characterized in that the direction of gravity bottom of the insertion hole is disposed below the gravity direction bottom portion of the movable core guide hole.
[0009]
[Action]
When the drain screw is operated to open the drain hole, all the fuel in the first chamber including the float chamber is discharged to the outside through the drain hole. The fuel in the second chamber is discharged from the insertion hole to the outside through the first chamber and the drain hole, and the fuel remains in the second chamber up to the height of the bottom of the insertion hole in the direction of gravity. On the other hand, the direction of gravity bottom of the insertion hole is positioned in the downward direction from the direction of gravity bottom of the movable core guide holes, since the direction of gravity bottom of the movable core guide holes are arranged in a position above the gravity direction the bottom of the insertion hole, the second The fuel remaining in the room does not enter the movable core guide hole.
[0010]
【Example】
An embodiment of a fuel cut solenoid valve device in a carburetor according to the present invention will be described below with reference to FIG. In addition, the same code | symbol is used about the same structure part as FIG. In the present invention, the direction of gravity bottom 4F of the insertion hole 4E is formed at a lower position than the gravity direction bottom 15A of the movable core guide holes 15. According to the above, when the engine is left for a long period of time, when the drain screw is operated to discharge the fuel in the float chamber 5 from the drain hole 16, the gravity direction of the insertion hole 4E is inserted into the second chamber 5B. Fuel that forms a liquid surface equal to the height of the bottom 4F remains. Here, in the present invention, the gravity direction bottom portion 4F of the insertion hole 4E is formed at a position lower than the gravity direction bottom portion 15A of the movable core guide hole 15, so the movable core guide hole 15 is located in the second chamber 5B. It is arranged at a position above the fuel liquid level remaining on. Therefore, when the engine is left for a long period of time, no fuel enters the movable core guide hole 15, and it is assumed that the fuel in the second chamber 5B has deteriorated and changed to a gel state. However, this gel-like substance has no influence on the movable core 14. Therefore, when the solenoid valve S is operated in synchronism with the operation of the engine after the engine has been left for a long period of time, the movable core 14 can operate smoothly and maintain good operability of the engine.
[0011]
【The invention's effect】
As described above, according to the fuel cut solenoid valve device in the carburetor according to the present invention, the float chamber is separated from the first chamber by the partition wall that extends from the bottom of the float chamber body to the upstream side of the upstream side of the fuel supply path . The first chamber has an opening on the upstream side of the fuel supply passage and a drain hole in the bottom, and the second chamber is movably guided by the movable core of the solenoid valve. The movable core guide hole is disposed facing the horizontal direction, and the valve body that moves integrally with the movable core includes the second chamber, an insertion hole formed in the partition wall, and the opening through the first chamber. face is arranged, retaining the direction of gravity bottom of the insertion hole enters the fuel to the movable core guide hole in the drain state to stand so disposed below the gravity direction bottom portion of the movable core guide holes institutions a long time in This is not done It can smoothly operate the movable core at the time of operation after left for a long time by, never drivability of the engine is inhibited.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an embodiment of a fuel cut solenoid valve device in a carburetor according to the present invention.
FIG. 2 is a longitudinal sectional view showing a fuel cut solenoid valve device in a conventional carburetor.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vaporizer body 2 Intake path 4 Float chamber body 4C Partition wall 4E Insertion hole 4F Gravity direction bottom part 5A First chamber 5B Second chamber 14 Movable core 15 Movable core guide hole 15A Gravity direction bottom part 17 Valve body M Fuel supply path

Claims (1)

気化器本体(1)を貫通する吸気路(2)に、その下流側が開口し、その上流側が浮子室(5)内の定液面(X)−(X)下に開口する燃料供給路(M)を備え、前記浮子室内への燃料供給路(M)の上流側の開口部(MA)が浮子室本体(4)の側壁(4A)に水平方向に配置されるソレノイドバルブ(S)の可動コア(14)と同期的に移動する弁体(17)によって開閉される気化器における燃料カットソレノイドバルブ装置において、浮子室(5)は、浮子室本体(4)の底部4Bから燃料供給路(M)の上流側の開口部(MA)より上方に向かう仕切壁(4C)によって第1室(5A)と第2室(5B)とに区分され、前記第1室には、燃料供給路(M)の上流側の開口部(MA)が開口するとともに底部(4B)にドレン孔(16)が開口し、第2室(5B)にはソレノイドバルブ(S)の可動コア(14)を移動自在に案内する可動コアガイド孔(15)が水平方向に臨んで配置され、前記可動コア(14)と一体的に移動する弁体(17)は、第2室(5B)、仕切壁(4C)に穿設される挿通孔(4E)、第1室(5A)を介して前記開口部(MA)に臨んで配置され、前記挿通孔の重力方向底部(4F)を可動コアガイド孔(15)の重力方向底部(15A)より下方に配置したことを特徴とする気化器における燃料カットソレノイドバルブ装置。A fuel supply path (opening downstream of the intake passage (2) passing through the carburetor body (1) and opening downstream of the intake passage (2) below the constant liquid level (X)-(X) in the float chamber (5)). M), and an opening (MA) on the upstream side of the fuel supply passage (M) into the float chamber is arranged horizontally on the side wall (4A) of the float chamber body (4). In the fuel cut solenoid valve device in the carburetor that is opened and closed by a valve body (17) that moves synchronously with the movable core (14), the float chamber ( 5) is connected to the fuel supply passage from the bottom 4B of the float chamber body (4). (M) is divided into a first chamber (5A) and a second chamber (5B) by a partition wall (4C) directed upward from an opening (MA) on the upstream side of (M) , and a fuel supply passage is provided in the first chamber. An opening (MA) on the upstream side of (M) opens and a drain hole (1 in the bottom (4B)) 6) is opened, and in the second chamber (5B), a movable core guide hole (15) for movably guiding the movable core (14) of the solenoid valve (S) is disposed facing the horizontal direction. The valve body (17) that moves integrally with (14) is opened through the second chamber (5B), the insertion hole (4E) drilled in the partition wall (4C), and the first chamber (5A). disposed to face the parts (MA), the fuel cut in the carburetor, characterized in that the direction of gravity bottom of the insertion hole and (4F) disposed gravity direction bottom portion of the movable core guide hole (15) from (15A) downward Solenoid valve device.
JP2001031367A 2001-02-07 2001-02-07 Fuel cut solenoid valve device in carburetor Expired - Fee Related JP4102914B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001031367A JP4102914B2 (en) 2001-02-07 2001-02-07 Fuel cut solenoid valve device in carburetor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001031367A JP4102914B2 (en) 2001-02-07 2001-02-07 Fuel cut solenoid valve device in carburetor

Publications (2)

Publication Number Publication Date
JP2002235605A JP2002235605A (en) 2002-08-23
JP4102914B2 true JP4102914B2 (en) 2008-06-18

Family

ID=18895462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001031367A Expired - Fee Related JP4102914B2 (en) 2001-02-07 2001-02-07 Fuel cut solenoid valve device in carburetor

Country Status (1)

Country Link
JP (1) JP4102914B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7509941B2 (en) 2006-03-08 2009-03-31 Phelon Euro Ab Apparatus and method for adjusting air-to-fuel ratio for small gasoline engine
CN112610365B (en) * 2020-11-30 2022-05-31 隆鑫通用动力股份有限公司 Carburetor of engine, engine and working machine

Also Published As

Publication number Publication date
JP2002235605A (en) 2002-08-23

Similar Documents

Publication Publication Date Title
WO2002040854A1 (en) Needle lift damper device of injector for fuel injection and needle lift damping method
JP4221913B2 (en) Fuel injection device
KR840000761A (en) Liquefied Gas Dropping Device
JP4102914B2 (en) Fuel cut solenoid valve device in carburetor
US7143999B2 (en) Accelerating apparatus of carburetor
JP2592246Y2 (en) Electromagnetic starter for multiple vaporizers
JP3708568B2 (en) Vaporizer fuel supply mechanism
JPH0558926B2 (en)
JP2003003908A (en) Starting device for carburetor
JP2004278314A (en) Vaporized fuel processing device
JPS6224782Y2 (en)
JP3528128B2 (en) Fuel flow control device for oil burner burner
JPS58172458A (en) Fuel injection nozzle
JPH04137245U (en) Carburetor fuel cut solenoid valve
JPH04137243U (en) Carburetor fuel cut solenoid valve
JP3989181B2 (en) Vaporizer fuel supply system
JPH0527261U (en) Carburetor fuel cut solenoid valve
JP3921566B2 (en) Carburetor starter
JPH09126341A (en) Motor-driven flow control valve
JPH11105558A (en) Fuel tank
JPS6341549Y2 (en)
JPS6325361A (en) Fuel supply device for internal combustion engine
JP2000257514A (en) Evaporated fuel discharge suppressing device
JPH04127853U (en) Carburetor fuel cut solenoid valve
JPH04137241U (en) Carburetor fuel cut solenoid valve

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040729

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070725

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070807

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071004

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080122

R155 Notification before disposition of declining of application

Free format text: JAPANESE INTERMEDIATE CODE: R155

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080310

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110404

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120404

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130404

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130404

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140404

Year of fee payment: 6

LAPS Cancellation because of no payment of annual fees