JPH0243464U - - Google Patents
Info
- Publication number
- JPH0243464U JPH0243464U JP12113888U JP12113888U JPH0243464U JP H0243464 U JPH0243464 U JP H0243464U JP 12113888 U JP12113888 U JP 12113888U JP 12113888 U JP12113888 U JP 12113888U JP H0243464 U JPH0243464 U JP H0243464U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- tip
- fuel
- opens
- seat surface
- 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 8
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の実施例を示す要部断面図、
第２図は従来技術を説明する要部断面図である。
２０…ノズル本体、２１…ニードル、２４…ニ
ードル小径部、２５，３４…燃料通路、２６…プ
レツシヤステージ、２８…サツク部、２９…シー
ト面、３０…噴孔、３１…ニードル円錐面、３２
…燃料溜まり室、３３…ニードルの内部燃料通路
。
FIG. 1 is a sectional view of the main parts showing an embodiment of this invention.
FIG. 2 is a sectional view of a main part explaining the prior art. 20... Nozzle body, 21... Needle, 24... Needle small diameter part, 25, 34... Fuel passage, 26... Pressure stage, 28... Suck part, 29... Seat surface, 30... Nozzle hole, 31... Needle conical surface, 32
...Fuel reservoir chamber, 33...Internal fuel passage of the needle.
Claims (1)
ニードル途中のプレツシヤステージ回りに燃料溜
まり室を形成すると共に、ノズル本体先端にサツ
ク部とサツク部に連なるテーパ状のシート面を設
け、シート面にニードル先端の円錐面で開閉され
る噴孔を形成する一方、ニードルの内部に一端が
燃料溜まり室に、他端がニードル先端側外周の燃
料通路とサツク部内に開口する燃料通路を形成し
たことを特徴とする燃料噴射ノズル。 The needle is slidably housed inside the nozzle body,
A fuel reservoir is formed around the pressure stage in the middle of the needle, and at the tip of the nozzle body there is a taper part and a tapered seat surface connected to the taper part.The seat surface has a nozzle hole that is opened and closed by the conical surface of the needle tip. A fuel injection nozzle characterized in that a fuel passage is formed inside the needle, one end of which opens into a fuel reservoir chamber, and the other end of which opens into a fuel passage on the outer periphery of the tip end of the needle and into a sac part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12113888U JPH0243464U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12113888U JPH0243464U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243464U true JPH0243464U (en) | 1990-03-26 |
Family
ID=31367877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12113888U Pending JPH0243464U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243464U (en) |
-
1988
- 1988-09-14 JP JP12113888U patent/JPH0243464U/ja active Pending