JPH0383371U - - Google Patents
Info
- Publication number
- JPH0383371U JPH0383371U JP14370589U JP14370589U JPH0383371U JP H0383371 U JPH0383371 U JP H0383371U JP 14370589 U JP14370589 U JP 14370589U JP 14370589 U JP14370589 U JP 14370589U JP H0383371 U JPH0383371 U JP H0383371U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- disposed
- needle valve
- valve body
- alcohol fuel
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案のアルコール燃料噴射弁の一
例を示す中央縦断面図、第２図は従来例の中央縦
断面図である。
１……弁本体、２……針弁、６……バネ室、７
……バネ、１０……ＴｉＮコーテイング、１１…
…ドレン溝、１２……シールリング、１４……シ
ール油供給穴、１５……シール油出口穴、２０…
…針弁摺動部。
FIG. 1 is a central vertical cross-sectional view showing an example of the alcohol fuel injection valve of this invention, and FIG. 2 is a central vertical cross-sectional view of a conventional example. 1... Valve body, 2... Needle valve, 6... Spring chamber, 7
...Spring, 10...TiN coating, 11...
...Drain groove, 12...Seal ring, 14...Seal oil supply hole, 15...Seal oil outlet hole, 20...
...Needle valve sliding part.
Claims (1)
に設けたバネ室内には、上記針弁を先端側へと付
勢するバネを配置して成るアルコール燃料噴射弁
において、上記針弁摺動部において、針弁と弁本
体との間に、シールリングと、それよりも先端側
にドレン溝とをそれぞれ配置したことを特徴とす
るアルコール燃料噴射弁。 ２ 上記弁本体には、バネ室の下端側に連通する
シール油の供給穴と、それよりも上端側に連通す
るシール油の出口穴とをそれぞれ設けていること
を特徴とする第１請求項記載のアルコール燃料噴
射弁。 ３ 上記針弁の外周部に、ＴｉＮコーテイングを
施したことを特徴とする第１又は第２請求項記載
のアルコール燃料噴射弁。[Claims for Utility Model Registration] 1. A needle valve is slidably disposed within a valve body, and a spring is disposed within a spring chamber provided in the valve body to bias the needle valve toward the distal end side. An alcohol fuel injection valve, characterized in that in the needle valve sliding portion, a seal ring is disposed between the needle valve and the valve body, and a drain groove is disposed on the distal end side of the seal ring. . 2. Claim 1, wherein the valve body is provided with a seal oil supply hole that communicates with the lower end of the spring chamber, and a seal oil outlet hole that communicates with the upper end. Alcohol fuel injector as described. 3. The alcohol fuel injection valve according to claim 1 or 2, wherein the outer peripheral portion of the needle valve is coated with TiN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14370589U JPH0383371U (en) | 1989-12-13 | 1989-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14370589U JPH0383371U (en) | 1989-12-13 | 1989-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0383371U true JPH0383371U (en) | 1991-08-23 |
Family
ID=31690462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14370589U Pending JPH0383371U (en) | 1989-12-13 | 1989-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0383371U (en) |
-
1989
- 1989-12-13 JP JP14370589U patent/JPH0383371U/ja active Pending