JPS61103573U - - Google Patents
Info
- Publication number
- JPS61103573U JPS61103573U JP18873584U JP18873584U JPS61103573U JP S61103573 U JPS61103573 U JP S61103573U JP 18873584 U JP18873584 U JP 18873584U JP 18873584 U JP18873584 U JP 18873584U JP S61103573 U JPS61103573 U JP S61103573U
- Authority
- JP
- Japan
- Prior art keywords
- central axis
- injection valve
- fuel
- throat portion
- fuel injection
- 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 11
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の一実施例の燃料供給装置ま
わりの断面図、第２図はピエゾパイルに対する印
加電圧と機関の要求空気流量との関係を示す説明
図、第３図は他の実施例の燃料供給装置まわりの
断面図、第４図は第３図の振動体への印加電圧を
示す説明図、第５図は第３図の装置における吸入
負圧と燃料粒径との関係を示す説明図である。
（図面の主要部を表わす符号の説明）１……絞
り弁、３……吸気通路、１３……燃料噴射弁、１
５……ノズル、２３……ピエゾパイル（面積制御
手段）、２７……ノズルチツプ（面積制御手段）
、３３……空間、３５……空気導入通路。
Fig. 1 is a cross-sectional view of the fuel supply system of one embodiment of this invention, Fig. 2 is an explanatory diagram showing the relationship between the voltage applied to the piezo pile and the required air flow rate of the engine, and Fig. 3 is a diagram of another embodiment of the invention. A sectional view around the fuel supply device, FIG. 4 is an explanatory diagram showing the voltage applied to the vibrating body of FIG. 3, and FIG. 5 is an explanatory diagram showing the relationship between suction negative pressure and fuel particle size in the device of FIG. 3. It is a diagram. (Explanation of symbols representing main parts of the drawings) 1... Throttle valve, 3... Intake passage, 13... Fuel injection valve, 1
5... Nozzle, 23... Piezo pile (area control means), 27... Nozzle chip (area control means)
, 33... Space, 35... Air introduction passage.
Claims (1)
関の燃料供給装置において、絞り弁下流の吸気通
路に燃料を供給する燃料噴射弁と、この燃料噴射
弁の前縁部に設けられ燃料噴射弁の中心軸線とス
ロート部中心軸線とが略一致するノズルと、前記
スロート部と絞り弁上流とを連通する空気導入通
路と、噴射弁先端付近を覆い中心軸線がノズルの
スロート部中心軸線と略一致するように配設され
スロート部通路面積を運転状態に応じて制御する
面積制御手段とを有することを特徴とする内燃機
関の燃料供給装置。 A fuel supply system for an internal combustion engine that supplies fuel according to the operating state of the engine includes a fuel injection valve that supplies fuel to the intake passage downstream of the throttle valve, and a fuel injection valve that is provided at the leading edge of the fuel injection valve. a nozzle whose central axis substantially coincides with the central axis of the throat portion; an air introduction passage that communicates the throat portion with the upstream side of the throttle valve; and an air introduction passage that covers the vicinity of the tip of the injection valve and whose central axis substantially coincides with the central axis of the throat portion of the nozzle. 1. A fuel supply device for an internal combustion engine, comprising an area control means arranged as shown in FIG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18873584U JPS61103573U (en) | 1984-12-14 | 1984-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18873584U JPS61103573U (en) | 1984-12-14 | 1984-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61103573U true JPS61103573U (en) | 1986-07-01 |
Family
ID=30746199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18873584U Pending JPS61103573U (en) | 1984-12-14 | 1984-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61103573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393469U (en) * | 1986-12-08 | 1988-06-16 |
-
1984
- 1984-12-14 JP JP18873584U patent/JPS61103573U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393469U (en) * | 1986-12-08 | 1988-06-16 |
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