JPH0392564U - - Google Patents
Info
- Publication number
- JPH0392564U JPH0392564U JP15265189U JP15265189U JPH0392564U JP H0392564 U JPH0392564 U JP H0392564U JP 15265189 U JP15265189 U JP 15265189U JP 15265189 U JP15265189 U JP 15265189U JP H0392564 U JPH0392564 U JP H0392564U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel injection
- needle valve
- needle
- seated
- 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 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１の実施例を示す燃料噴射
弁の先端部分の断面図、第２図は第２の実施例を
示す燃料噴射弁の先端部分の断面図、第３図は従
来例を示す燃料噴射弁の全体の断面図、第４図は
第３図の部分断面図、第５図は従来の問題点を示
す燃料噴射弁の部分断面図である。
６……バルブボデイ、９……弁座、９ａ……着
座部、１０……ニードルバルブ、２１，２２……
凹部。
FIG. 1 is a sectional view of the tip of a fuel injector showing a first embodiment of the present invention, FIG. 2 is a sectional view of the tip of a fuel injector showing a second embodiment, and FIG. 3 is a conventional one. FIG. 4 is a partial sectional view of FIG. 3, and FIG. 5 is a partial sectional view of the fuel injection valve illustrating the conventional problems. 6...Valve body, 9...Valve seat, 9a...Seating portion, 10...Needle valve, 21, 22...
recess.
Claims (1)
弁座に着座するニードルバルブを備えた燃料噴射
弁において、着座状態における環状の着座部の上
流側又は下流側近傍にて、互いに近接する弁座の
面とニードルバルブの面とのいずれか一方に、全
周にわたつて凹部を形成したことを特徴とする燃
料噴射弁。 In a fuel injection valve equipped with a needle valve seated on a conical valve seat formed on the inner front side of a valve body, surfaces of the valve seats that are close to each other near the upstream side or downstream side of the annular seating part in the seated state. A fuel injection valve characterized in that a recess is formed around the entire circumference on either one of the surface of the needle valve and the surface of the needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15265189U JPH0392564U (en) | 1989-12-29 | 1989-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15265189U JPH0392564U (en) | 1989-12-29 | 1989-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0392564U true JPH0392564U (en) | 1991-09-20 |
Family
ID=31698904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15265189U Pending JPH0392564U (en) | 1989-12-29 | 1989-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0392564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19629755A1 (en) * | 1995-07-24 | 1997-02-06 | Toyota Motor Co Ltd | Fuel injector |
-
1989
- 1989-12-29 JP JP15265189U patent/JPH0392564U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19629755A1 (en) * | 1995-07-24 | 1997-02-06 | Toyota Motor Co Ltd | Fuel injector |
| US5772124A (en) * | 1995-07-24 | 1998-06-30 | Toyota Jidosha Kabushiki Kaisha | Fuel injection valve |
| DE19629755C2 (en) * | 1995-07-24 | 1998-12-03 | Toyota Motor Co Ltd | Fuel injector |