JPH01179175U - - Google Patents
Info
- Publication number
- JPH01179175U JPH01179175U JP7640588U JP7640588U JPH01179175U JP H01179175 U JPH01179175 U JP H01179175U JP 7640588 U JP7640588 U JP 7640588U JP 7640588 U JP7640588 U JP 7640588U JP H01179175 U JPH01179175 U JP H01179175U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel
- automatic valve
- air
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
Description
第１図ａは本考案の第１実施例によるエアブラ
ストタイプの燃料噴射装置の要部拡大断面図、第
１図ｂは第１図ａのＥ部拡大図、第２図は第２実
施例の燃料噴射装置の要部拡大断面図、第３図は
本考案の燃料噴射装置の断面図、第４図及び第５
図は、前記燃料噴射装置を内燃機関に取付けた状
態の一例を示す説明図で第４図はその平面図、第
５図はその正面図、第６図は本考案と従来例との
燃料計量噴射時の噴射流量特性図、第７図は従来
例のエアブラストタイプの燃料噴射装置を内燃機
関に取付けた状態の説明図を示す。
１０……燃料噴射装置、１５……燃料制御弁、
１６……空気制御弁、１８……自動弁、２７……
燃焼室、３３……噴射空間。
FIG. 1a is an enlarged sectional view of essential parts of an air blast type fuel injection device according to a first embodiment of the present invention, FIG. 1b is an enlarged view of section E in FIG. 1a, and FIG. 2 is a second embodiment. FIG. 3 is an enlarged cross-sectional view of the main part of the fuel injection device of the present invention, FIG. 4 and FIG.
The figures are explanatory diagrams showing an example of the state in which the fuel injection device is installed in an internal combustion engine. Fig. 4 is a plan view thereof, Fig. 5 is a front view thereof, and Fig. 6 is a fuel metering diagram of the present invention and a conventional example. FIG. 7, an injection flow rate characteristic diagram during injection, is an explanatory diagram of a conventional air blast type fuel injection device installed in an internal combustion engine. 10...Fuel injection device, 15...Fuel control valve,
16...Air control valve, 18...Automatic valve, 27...
Combustion chamber, 33... injection space.
Claims (1)
射空間を備え、 前記自動弁を開弁させるための圧縮空気を噴射
する空気制御弁と、燃料を計量噴射する燃料制御
弁とが前記噴射空間に開口するように配設された
エアブラストタイプの燃料噴射装置において、 前記噴射空間内の気圧を前記自動弁開弁のため
の圧縮空気供給時を除き、前記自動弁の開弁圧以
下の所定圧に保持する手段を有することを特徴と
する内燃機関の燃料噴射装置。[Claims for Utility Model Registration] An air control valve comprising an injection space communicating with a combustion chamber of an internal combustion engine via an automatic valve, and injecting compressed air to open the automatic valve, and a metered injection of fuel. In an air blast type fuel injection device in which a fuel control valve is disposed so as to open into the injection space, the air pressure in the injection space is adjusted to the automatic valve except when compressed air is supplied for opening the automatic valve. A fuel injection device for an internal combustion engine, comprising means for maintaining a predetermined pressure below the opening pressure of a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988076405U JP2524045Y2 (en) | 1988-06-10 | 1988-06-10 | Fuel injection device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988076405U JP2524045Y2 (en) | 1988-06-10 | 1988-06-10 | Fuel injection device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01179175U true JPH01179175U (en) | 1989-12-22 |
| JP2524045Y2 JP2524045Y2 (en) | 1997-01-29 |
Family
ID=31301430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988076405U Expired - Lifetime JP2524045Y2 (en) | 1988-06-10 | 1988-06-10 | Fuel injection device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2524045Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6321768U (en) * | 1986-07-25 | 1988-02-13 | ||
| JPH01155072A (en) * | 1987-11-19 | 1989-06-16 | Motorola Inc | Fuel injector with electronic control circuit |
-
1988
- 1988-06-10 JP JP1988076405U patent/JP2524045Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6321768U (en) * | 1986-07-25 | 1988-02-13 | ||
| JPH01155072A (en) * | 1987-11-19 | 1989-06-16 | Motorola Inc | Fuel injector with electronic control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2524045Y2 (en) | 1997-01-29 |
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