JPH0166471U - - Google Patents
Info
- Publication number
- JPH0166471U JPH0166471U JP1987161497U JP16149787U JPH0166471U JP H0166471 U JPH0166471 U JP H0166471U JP 1987161497 U JP1987161497 U JP 1987161497U JP 16149787 U JP16149787 U JP 16149787U JP H0166471 U JPH0166471 U JP H0166471U
- Authority
- JP
- Japan
- Prior art keywords
- injection nozzle
- fuel
- injection
- hole
- air
- 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 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 10
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図及び第２図は本考案の第１の実施例に係
り、第１図はフユーエルインジエクタの要部縦断
面図、第２図は第１図の底面図、第３図及び第４
図は本考案の第２の実施例に係り、第３図はフユ
ーエルインジエクタの要部縦断面図、第４図は第
３図の底面図、第５図は本考案の第３の実施例に
係るフユーエルインジエクタの要部縦断面図、第
６図及び第７図は従来技術を示し、第６図はフユ
ーエルインジエクタの要部縦断面図、第７図は第
６図の部分拡大図である。
１１…インジエクタ本体、１２…噴射ノズル、
１４…筒状ガイド部材、１７…エア噴出孔形成部
材、１７Ｂ，１７′Ｂ…外面、１８…エア噴出孔
、Ａ…噴射燃料、Ｂ…アシストエア。
1 and 2 relate to the first embodiment of the present invention, in which FIG. 1 is a vertical sectional view of the main part of the fuel injector, FIG. 2 is a bottom view of FIG. 1, and FIGS. 4
The figures relate to a second embodiment of the present invention, FIG. 3 is a vertical sectional view of the main part of the fuel injector, FIG. 4 is a bottom view of FIG. 3, and FIG. 5 is a third embodiment of the present invention. FIGS. 6 and 7 are longitudinal cross-sectional views of essential parts of a fuel injector according to an example, and show the prior art. FIG. 6 is a longitudinal cross-sectional view of essential parts of a fuel injector, and FIG. It is a partially enlarged view. 11... Injector main body, 12... Injection nozzle,
14... Cylindrical guide member, 17... Air jet hole forming member, 17B, 17'B... Outer surface, 18... Air jet hole, A... Injected fuel, B... Assist air.
Claims (1)
より開閉される燃料噴射孔が形成された噴射ノズ
ルと、該噴射ノズルの外周に挿嵌され、該噴射ノ
ズルの先端側にアシストエアを導く筒状ガイド部
材と、前記噴射ノズルの先端側が嵌合する開口部
を有すると共に、外側面が該噴射ノズルの燃料噴
射孔と同一面上又は噴射方向の後方に位置するよ
うに該筒状ガイド部材の先端側に設けられたエア
噴出孔形成部材と、該エア噴出孔形成部材に穿設
され、前記噴射ノズルの燃料噴射孔から円錐状に
噴射される噴射燃料の接線方向に前記アシストエ
アを噴出するエア噴出孔とから構成してなるフユ
ーエルインジエクタ。 An injection nozzle that protrudes from the injector body and has a fuel injection hole at its tip that is opened and closed by a valve body, and a cylindrical shape that is inserted into the outer circumference of the injection nozzle and guides assist air to the tip side of the injection nozzle. The tip of the cylindrical guide member has an opening into which the tip side of the injection nozzle fits, and the outer surface is located on the same plane as the fuel injection hole of the injection nozzle or at the rear in the injection direction. an air jet hole forming member provided on the side, and air that is bored in the air jet hole forming member and jets out the assist air in a tangential direction of the injected fuel that is injected conically from the fuel injection hole of the injection nozzle. A fuel injector consisting of an ejection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161497U JPH0730935Y2 (en) | 1987-10-22 | 1987-10-22 | Fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161497U JPH0730935Y2 (en) | 1987-10-22 | 1987-10-22 | Fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0166471U true JPH0166471U (en) | 1989-04-27 |
| JPH0730935Y2 JPH0730935Y2 (en) | 1995-07-19 |
Family
ID=31444482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161497U Expired - Lifetime JPH0730935Y2 (en) | 1987-10-22 | 1987-10-22 | Fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730935Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02163463A (en) * | 1988-12-16 | 1990-06-22 | Nippondenso Co Ltd | Fuel injection valve |
-
1987
- 1987-10-22 JP JP1987161497U patent/JPH0730935Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02163463A (en) * | 1988-12-16 | 1990-06-22 | Nippondenso Co Ltd | Fuel injection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730935Y2 (en) | 1995-07-19 |