JPH0285874U - - Google Patents
Info
- Publication number
- JPH0285874U JPH0285874U JP16500588U JP16500588U JPH0285874U JP H0285874 U JPH0285874 U JP H0285874U JP 16500588 U JP16500588 U JP 16500588U JP 16500588 U JP16500588 U JP 16500588U JP H0285874 U JPH0285874 U JP H0285874U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- intake passage
- air flow
- injection valve
- valve
- 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 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は実施例の横断平面図、第２図は第３図
における―線による要部の縦断正面図、第３
図は第２図における―線による要部の縦断側
面図、第４図は４気筒機関に適用した場合の全体
構成図、第５図は本考案と従来技術を比較した特
性図である。
１……燃焼室、２，３……吸気弁、７，８……
吸気通路、１１……燃料噴射弁、１２……噴口、
１３……燃料噴霧、１６……空気ノズル、１７…
…外筒、１８……内筒。
FIG. 1 is a cross-sectional plan view of the embodiment, FIG.
The figure is a longitudinal sectional side view of the main part taken along the line - in Figure 2, Figure 4 is an overall configuration diagram when applied to a four-cylinder engine, and Figure 5 is a characteristic diagram comparing the present invention and the prior art. 1... Combustion chamber, 2, 3... Intake valve, 7, 8...
Intake passage, 11...Fuel injection valve, 12...Nozzle port,
13...Fuel spray, 16...Air nozzle, 17...
...outer cylinder, 18...inner cylinder.
Claims (1)
によつて燃料を噴射して混合させる型式の内燃機
関において、両端が開放した筒状の外形と、その
内部に形成される空気流路の断面積が下流に向つ
て縮小していることにより、内部を通過する空気
流が方向づけられると共に速度が増大するような
内部形状とを備えているオリフイス状の空気ノズ
ルを、その中心線が前記燃料噴射弁の噴口付近に
指向するように、前記燃料噴射弁の上流側の吸気
通路内に固定してなる燃料噴射装置。 In an internal combustion engine that uses a fuel injection valve to inject and mix fuel into the intake air flowing through the intake passage, it has a cylindrical outer shape with both ends open and an air flow path formed inside the engine. an orifice-like air nozzle with an internal shape whose area decreases downstream, thereby directing and increasing the velocity of the air flow passing therethrough; A fuel injection device fixed within an intake passage on the upstream side of the fuel injection valve so as to be oriented near the nozzle port of the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16500588U JPH0285874U (en) | 1988-12-22 | 1988-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16500588U JPH0285874U (en) | 1988-12-22 | 1988-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285874U true JPH0285874U (en) | 1990-07-06 |
Family
ID=31451100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16500588U Pending JPH0285874U (en) | 1988-12-22 | 1988-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285874U (en) |
-
1988
- 1988-12-22 JP JP16500588U patent/JPH0285874U/ja active Pending