JPS6398471U - - Google Patents
Info
- Publication number
- JPS6398471U JPS6398471U JP19412986U JP19412986U JPS6398471U JP S6398471 U JPS6398471 U JP S6398471U JP 19412986 U JP19412986 U JP 19412986U JP 19412986 U JP19412986 U JP 19412986U JP S6398471 U JPS6398471 U JP S6398471U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- cam
- fuel
- air valve
- intake passage
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 241000234435 Lilium Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Description
第１図乃至第３図は本考案による燃料供給装置
の一実施例に係り、第１図は全体の構造を示す断
面図、第２図はエアバルブの開き始めの状態にお
ける本考案に係るカムとカムフオロアの位置関係
を示す要部断面図、第３図はスロツトルバルブの
低開度状態における本考案に係るカムとカムフオ
ロアの位置関係を示す要部断面図、第４図は従来
装置の全体の構造を示す断面図、第５図は従来装
置におけるスロツトルバルブ開度とエアバルブ下
流側の負圧との関係を表わすグラフである。
１……吸気通路、２……固定ベンチユリ部、３
……エアバルブ、４……回転軸、５……負圧アク
チユエータ、８……スロツトルバルブ、９……ス
ロツトルシヤフト、１０……スロー系ベンチユリ
部、１１，１７，２０……ソレノイドバルブ、１
３，１９，２２……レベルセンサ、１８，２１…
…負圧通路、２６……カム、２６ａ……カム面、
２７……カムフオロア、２８……アーム。
1 to 3 relate to an embodiment of the fuel supply device according to the present invention, FIG. 1 is a sectional view showing the overall structure, and FIG. 2 is a cam according to the present invention in a state where the air valve starts to open. FIG. 3 is a sectional view of a main part showing the positional relationship of the cam follower. FIG. 3 is a sectional view of a main part showing the positional relationship of the cam and cam follower of the present invention when the throttle valve is in a low opening state. FIG. FIG. 5, which is a sectional view showing the structure, is a graph showing the relationship between the throttle valve opening degree and the negative pressure on the downstream side of the air valve in a conventional device. 1...Intake passage, 2...Fixed bench lily part, 3
... Air valve, 4 ... Rotating shaft, 5 ... Negative pressure actuator, 8 ... Throttle valve, 9 ... Throttle shaft, 10 ... Slow system bench lily section, 11, 17, 20 ... Solenoid valve, 1
3, 19, 22... Level sensor, 18, 21...
...Negative pressure passage, 26...Cam, 26a...Cam surface,
27... Come follower, 28... Arm.
補正 昭６２．４．２３
考案の名称を次のように補正する。
考案の名称 燃料供給装置
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment April 23, 1982 The name of the invention is amended as follows. Title of the invention: Fuel supply device The scope of the claims for utility model registration and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
(1) 燃料通路に連通する負圧通路内の液面レベ
ルを一定に保つように燃料流量を制御することに
より空燃比を適正に保持し得るように主吸気通路
を含むメイン系と主吸気通路に並列に形成された
副吸気通路を含むスロー系を構成し、燃料通路を
共通化してその途中に配設されたソレノイドバル
ブによつて両系の燃料流量を制御すると共に、ス
ロー域において上記主吸気通路を閉塞し得る第一
バルブと、その開閉によりスロー系の負圧を制御
し得る第二バルブとを設けて、上記第一バルブが
上記第二バルブの上流側の負圧により制御される
ように構成した燃料供給装置において、上記第一
バルブに設置した第一作動部材と、上記第二バル
ブに設置した第二作動部材とを相互に連係せしめ
ることにより上記第二バルブの所定の開度範囲に
亘り上記第一バルブの作動を規制し得るようにし
たことを特徴とする燃料供給装置。
(2) 第一バルブが主吸気通路に設けられたエア
バルブであり、第二バルブが上記エアバルブの下
流の上記主吸気通路内に設けられたスロツトルバ
ルブであると共に、第一作動部材が所定の長さの
カム面を有するカム若しくはカムフオロアであつ
て、第二作動部材が上記第一作動部材に当接し得
るカムフオロア若しくは所定の長さのカム面を有
するカムであるようにしたことを特徴とする実用
新案登録請求の範囲(1)に記載の燃料供給装置。
(3) 第一バルブが主吸気通路に設けられたエア
バルブであり第二バルブが副吸気通路に設けられ
たスロツトルバルブであると共に第一作動部材及
び第二作動部材が上記スロツトルバルブの開弁動
作を上記エアバルブへ伝達し得る第一リンク及び
第２リンクであつてこれらが共通のリンク軸を介
して連結されていることを特徴とする実用新案登
録請求の範囲(1)に記載の燃料供給装置。
(4) 第一バルブが主吸気通路に設けられたエア
バルブであり、第二バルブが副吸気通路に設けら
れたスロツトルバルブであると共に第一作動部材
が所定の長さのカム面を有するカム若しくはカム
フオロアであつて第二作動部材が上記第一作動部
材に当接し得るカムフオロア若しくは所定の長さ
のカム面を有するカムであるようにしたことを特
徴とする実用新案登録請求の範囲(1)に記載の燃
料供給装置。[Scope of Claim for Utility Model Registration] (1) The main intake passage is designed to maintain an appropriate air-fuel ratio by controlling the fuel flow rate so as to maintain a constant liquid level in the negative pressure passage communicating with the fuel passage. The main system includes a main system, and the slow system includes an auxiliary intake passage formed in parallel with the main intake passage.The fuel passage is shared, and the fuel flow rate of both systems is controlled by a solenoid valve installed in the middle. At the same time, a first valve capable of closing the main intake passage in the slow region and a second valve capable of controlling negative pressure in the slow system by opening and closing the first valve are provided, and the first valve is arranged upstream of the second valve. In the fuel supply device configured to be controlled by negative pressure on the side, the first actuating member installed in the first valve and the second actuating member installed in the second valve are interconnected, so that the above-mentioned A fuel supply device characterized in that the operation of the first valve can be regulated over a predetermined opening range of the second valve. (2) The first valve is an air valve provided in the main intake passage, the second valve is a throttle valve provided in the main intake passage downstream of the air valve, and the first actuating member is a throttle valve provided in the main intake passage downstream of the air valve. A cam or a cam follower having a cam surface of a predetermined length, wherein the second actuating member can come into contact with the first actuating member or a cam having a cam surface of a predetermined length. A fuel supply device according to claim (1) of utility model registration. (3) The first valve is an air valve provided in the main intake passage, the second valve is a throttle valve provided in the auxiliary intake passage, and the first actuating member and the second actuating member actuate the opening of the throttle valve. The fuel according to claim (1) of the utility model registration, characterized in that the first link and the second link are capable of transmitting valve operation to the air valve and are connected via a common link shaft. Feeding device. (4) The first valve is an air valve provided in the main intake passage, the second valve is a throttle valve provided in the auxiliary intake passage, and the first actuating member is a cam having a cam surface of a predetermined length. or a cam follower in which the second actuating member can come into contact with the first actuating member or a cam having a cam surface of a predetermined length Claim (1) The fuel supply device described in .
【図面の簡単な説明】
第１図乃至第３図は本考案による燃料供給装置
の第一実施例に係り、第１図は全体の構造を示す
断面図、第２図はエアバルブの開き始めの状態に
おける本考案に係るカムとカムフオロアの位置関
係を示す要部断面図、第３図はスロツトルバルブ
の低開度状態における本考案に係るカムとカムフ
オロアの位置関係を示す要部断面図、第４図は本
考案による燃料供給装置の第二実施例の要部断面
図、第５図は第二実施例におけるエアバルブ及び
スロツトルバルブの開度とリンク軸の回転角との
関係を表わすグラフ、第６図は本考案による燃料
供給装置の第三実施例の要部断面図、第７図は従
来装置の全体の構造を示す断面図、第８図は従来
装置におけるスロツトルバルブ開度とエアバルブ
下流側の負圧との関係を表わすグラフである。
１……主吸気通路、２……主ベンチユリ部、３
，２９……エアバルブ（第一バルブ）、４……回
転軸、５……負圧アクチユエータ、８，３０……
スロツトルバルブ（第二バルブ）、９……スロツ
トルシヤフト、１０……副吸気通路、１１，１７
，２０……ソレノイドバルブ、１３，１９，２２
……レベルセンサ、１８，２１……負圧通路、２
６……カム、２６ａ……カム面、２７，３８……
カムフオロア、２８，３９……アーム、３６……
カムレバー。[Brief Description of the Drawings] Figures 1 to 3 relate to the first embodiment of the fuel supply device according to the present invention, where Figure 1 is a sectional view showing the overall structure, and Figure 2 is a diagram showing the opening of the air valve. FIG. 3 is a cross-sectional view of a main part showing the positional relationship between the cam and cam follower according to the present invention in a state where the throttle valve is in a low opening state, and FIG. FIG. 4 is a sectional view of a main part of the second embodiment of the fuel supply device according to the present invention, and FIG. 5 is a graph showing the relationship between the opening degrees of the air valve and throttle valve and the rotation angle of the link shaft in the second embodiment. Fig. 6 is a sectional view of main parts of the third embodiment of the fuel supply device according to the present invention, Fig. 7 is a sectional view showing the overall structure of the conventional device, and Fig. 8 is the throttle valve opening and air valve in the conventional device. It is a graph showing the relationship with negative pressure on the downstream side. 1... Main intake passage, 2... Main bench lily part, 3
, 29... Air valve (first valve), 4... Rotating shaft, 5... Negative pressure actuator, 8, 30...
Throttle valve (second valve), 9... Throttle shaft, 10... Sub-intake passage, 11, 17
, 20... Solenoid valve, 13, 19, 22
... Level sensor, 18, 21 ... Negative pressure passage, 2
6...Cam, 26a...Cam surface, 27, 38...
Cam follower, 28, 39... Arm, 36...
cam lever.
Claims (1)
一定に保つように燃料流量を制御することにより
空燃比を適正に保持し得るようにスロー系及びメ
イン系を構成し、燃料通路を共通化してその途中
に配設されたソレノイドバルブによつて両系の燃
料流量を制御すると共に、スロー域において吸気
通路を閉塞し得るエアバルブとその下流の上記吸
気通路内にスロツトルバルブを設けて上記エアバ
ルブがその下流側の負圧により制御されるように
構成した燃料供給装置において、上記スロツトル
バルブのスロツトルシヤフト若しくは上記エアバ
ルブの回転軸の何れか一方の所定の長さのカム面
を有するカムを、他方には上記カムに当接し得る
カムフオロアを夫々設け、上記スロツトルバルブ
の所定の開度範囲に亘り上記エアバルブの作動を
規制し得るようにしたことを特徴とする燃料供給
装置。 The slow system and main system are configured to maintain an appropriate air-fuel ratio by controlling the fuel flow rate to maintain a constant liquid level in the negative pressure passage that communicates with the fuel passage, and the fuel passage is shared. The fuel flow rate of both systems is controlled by a solenoid valve disposed in the middle of the air valve, and a throttle valve is provided in the intake passage downstream of the air valve that can block the intake passage in the slow region. In the fuel supply system, the cam has a cam surface of a predetermined length on either the throttle shaft of the throttle valve or the rotating shaft of the air valve. , and the other is provided with a cam follower that can come into contact with the cam, so that the operation of the air valve can be regulated over a predetermined opening range of the throttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19412986U JPS6398471U (en) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19412986U JPS6398471U (en) | 1986-12-17 | 1986-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6398471U true JPS6398471U (en) | 1988-06-25 |
Family
ID=31150811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19412986U Pending JPS6398471U (en) | 1986-12-17 | 1986-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6398471U (en) |
-
1986
- 1986-12-17 JP JP19412986U patent/JPS6398471U/ja active Pending
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