JPH046563U - - Google Patents
Info
- Publication number
- JPH046563U JPH046563U JP4347490U JP4347490U JPH046563U JP H046563 U JPH046563 U JP H046563U JP 4347490 U JP4347490 U JP 4347490U JP 4347490 U JP4347490 U JP 4347490U JP H046563 U JPH046563 U JP H046563U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injector
- tube
- rear end
- injection valve
- cap
- 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 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案に係る燃料噴射弁の騒音防止構
造の一実施例を示す断面図、第２図は同上実施例
におけるキヤツプの構造を示す図で、ａは平面図
、ｂはａ中Ａ−Ａ矢視断面図、第３図ａ，ｂは夫
々従来と本考案の騒音発生状況を説明するグラフ
、第４図は一般の燃料噴射弁の断面図である。
１……燃料噴射弁、３……チユーブ、４……キ
ヤツプ、６……コーテイグ層。
Fig. 1 is a sectional view showing an embodiment of a noise prevention structure for a fuel injection valve according to the present invention, and Fig. 2 is a diagram showing the structure of a cap in the same embodiment. -A sectional view, FIGS. 3a and 3b are graphs explaining the noise generation situation of the conventional and present invention, respectively, and FIG. 4 is a sectional view of a general fuel injection valve. 1...Fuel injection valve, 3...Tube, 4...Cap, 6...Coating layer.
Claims (1)
定取付されかつ該燃料噴射弁後端部に当接して該
燃料噴射弁をチユーブ内に押さえ固定するキヤツ
プの少なくとも内周面及び外周面を多孔質セラミ
ツクにより形成したことを特徴とする燃料噴射弁
の騒音防止構造。 At least the inner and outer circumferential surfaces of the cap, which is fixedly attached to the rear end of the tube into which the fuel injector is inserted and supported and which abuts against the rear end of the fuel injector to press and fix the fuel injector within the tube, are porous. A noise prevention structure for a fuel injection valve characterized by being made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4347490U JPH046563U (en) | 1990-04-25 | 1990-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4347490U JPH046563U (en) | 1990-04-25 | 1990-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046563U true JPH046563U (en) | 1992-01-21 |
Family
ID=31555912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4347490U Pending JPH046563U (en) | 1990-04-25 | 1990-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046563U (en) |
-
1990
- 1990-04-25 JP JP4347490U patent/JPH046563U/ja active Pending