JPS6451770U - - Google Patents
Info
- Publication number
- JPS6451770U JPS6451770U JP14779787U JP14779787U JPS6451770U JP S6451770 U JPS6451770 U JP S6451770U JP 14779787 U JP14779787 U JP 14779787U JP 14779787 U JP14779787 U JP 14779787U JP S6451770 U JPS6451770 U JP S6451770U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel
- passage
- valve
- supply device
- 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 16
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案による混合気供給装置の一実施
例の断面図、第２図は同じくエアフローセンサ部
の第二実施例を示す部分断面図、第３図は第２図
の矢印方向からみたエアバルブの平面図、第４図
は第三実施例の部分断面図である。
１……主吸気通路、２ａ……主絞り部、３，３
′……エアバルブ、６ａ，６ａ′……副絞り部、
７……主負圧通路、８……副負圧通路、９……ス
ロツトルバルブ、１０……主燃料通路、１０′…
…燃料通路、１４……副燃料通路、Ｐｆ……燃料
ポンプ、１８……吸気管、３０……アイドル空気
通路、３５……ノズル。
Fig. 1 is a sectional view of an embodiment of the air-fuel mixture supply device according to the present invention, Fig. 2 is a partial sectional view of a second embodiment of the air flow sensor section, and Fig. 3 is a view taken from the direction of the arrow in Fig. 2. A plan view of the air valve, and FIG. 4 is a partial sectional view of the third embodiment. 1... Main intake passage, 2a... Main throttle part, 3, 3
'... Air valve, 6a, 6a'... Sub-throttle part,
7... Main negative pressure passage, 8... Sub negative pressure passage, 9... Throttle valve, 10... Main fuel passage, 10'...
...Fuel passage, 14... Sub-fuel passage, Pf... Fuel pump, 18... Intake pipe, 30... Idle air passage, 35... Nozzle.
Claims (1)
前記主絞り部の下流側にエアバルブを、そして該
エアバルブ及び前記副絞り部の下流側にスロツト
ルバルブを配置して成るエアフローセンサ部と、
前記主、副絞り部に夫々開口する主、副負圧通路
内を上昇する燃料柱の高さを調整することにより
燃料通路を流れる燃料流量を制御するようにした
燃料制御部と、ノズルを配置した吸気管を介して
前記吸気通路の下流側を各気筒に接続させたエン
ジン部とを備えた多点噴射方式の混合気供給装置
において、 上流側が前記吸気通路の副絞り部とスロツトル
バルブとの間に開口する空気通路を配設して、該
空気通路内に流入空気量を制御する制御バルブを
配置し、該制御バルブの下流側で前記空気通路を
分岐せしめて夫々前記吸気管に開口せしめると共
に、前記燃料制御部の燃料通路に配置した燃料ポ
ンプの下流側で前記燃料通路を分岐せしめて夫々
前記ノズルに接続させたことを特徴とする混合気
供給装置。 (2) 前記ノズルにチエツクバルブを設けたこと
を特徴とする実用新案登録請求の範囲(1)に記載
の混合気供給装置。 (3) 前記分岐された空気通路を前記吸気管に配
置されたノズルに開口せしめたことを特徴とする
実用新案登録請求の範囲(1)又は(2)に記載の混合
気供給装置。[Scope of claim for utility model registration] (1) The intake passage has a main throttle part and a sub-throttle part,
an air flow sensor section comprising an air valve disposed downstream of the main constriction section, and a throttle valve disposed downstream of the air valve and the sub constriction section;
A fuel control unit and a nozzle are arranged to control the flow rate of fuel flowing through the fuel passage by adjusting the height of a fuel column rising in the main and auxiliary negative pressure passages opening in the main and auxiliary throttle parts, respectively. A multi-point injection mixture supply device comprising an engine section in which the downstream side of the intake passage is connected to each cylinder via an intake pipe, the upstream side of which is connected to a sub-throttle part of the intake passage and a throttle valve. an air passage opening between the air passages, a control valve for controlling the amount of air flowing in the air passage, and a control valve for controlling the amount of air flowing into the air passage; and downstream of the control valve, the air passages are branched to open into the intake pipes. The fuel mixture supply device is characterized in that the fuel passage is branched downstream of a fuel pump disposed in the fuel passage of the fuel control unit and connected to the nozzle, respectively. (2) The air-fuel mixture supply device according to claim (1), characterized in that the nozzle is provided with a check valve. (3) The air-fuel mixture supply device according to claim (1) or (2), wherein the branched air passage is opened to a nozzle arranged in the intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14779787U JPS6451770U (en) | 1987-09-28 | 1987-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14779787U JPS6451770U (en) | 1987-09-28 | 1987-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451770U true JPS6451770U (en) | 1989-03-30 |
Family
ID=31418532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14779787U Pending JPS6451770U (en) | 1987-09-28 | 1987-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451770U (en) |
-
1987
- 1987-09-28 JP JP14779787U patent/JPS6451770U/ja active Pending