JPH03116764U - - Google Patents
Info
- Publication number
- JPH03116764U JPH03116764U JP2674490U JP2674490U JPH03116764U JP H03116764 U JPH03116764 U JP H03116764U JP 2674490 U JP2674490 U JP 2674490U JP 2674490 U JP2674490 U JP 2674490U JP H03116764 U JPH03116764 U JP H03116764U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- bearing
- alcohol fuel
- injection valve
- fuel injection
- 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 5
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 229920006364 Rulon (plastic) Polymers 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の一実施例によるアルコール
燃料噴射弁の縦断面図、第２図は別の実施例を示
す縦断面図、第３図は従来例を示す縦断面図であ
る。
１……弁本体、２……針弁、５……突棒、６…
…バネ室、７……バネ、１１，１２……ルーロン
軸受（すべり軸受）、１３……ブツシユ（リフト
制限部材）、１５……逃がし穴（逃がし通路）、
１６……空間、２１……スラスト玉軸受（スラス
ト軸受）、３０，３１……ルーロン軸受（すべり
軸受）、３５……逃がし溝（逃がし通路）。
FIG. 1 is a vertical cross-sectional view of an alcohol fuel injection valve according to one embodiment of the invention, FIG. 2 is a vertical cross-sectional view showing another embodiment, and FIG. 3 is a vertical cross-sectional view showing a conventional example. 1... Valve body, 2... Needle valve, 5... Protrusion rod, 6...
... Spring chamber, 7 ... Spring, 11, 12 ... Rulon bearing (sliding bearing), 13 ... Button (lift limiting member), 15 ... Escape hole (escape passage),
16...Space, 21...Thrust ball bearing (thrust bearing), 30, 31...Rulon bearing (sliding bearing), 35...Escape groove (escape passage).
Claims (1)
この針弁を突棒を介して先端側へと付勢するバネ
を弁本体内のバネ室内に配置して成るアルコール
燃料噴射弁において、上記突棒を摺動自在に支持
する合成樹脂製の一対のすべり軸受を設けると共
に、さらに弁本体側又は突棒側の少なくとも一方
のバネ受部にはスラスト軸受を介設してあること
を特徴とするアルコール燃料噴射弁。 ２ 上記突棒又は先端側すべり軸受には、上記バ
ネ室を、上記すべり軸受よりも針弁側の空間に連
通させる逃がし通路が形成されていることを特徴
とする第１請求項記載のアルコール燃料噴射弁。 ３ さらに上記すべり軸受とは別体で、かつこれ
より硬質のリフト制限部材を有し、この部材で針
弁のリフトを制限すべく構成していることを特徴
とする第１請求項又は第２請求項記載のアルコー
ル燃料噴射弁。[Scope of claims for utility model registration] 1. Has a needle valve slidably disposed within the valve body,
In an alcohol fuel injection valve in which a spring that urges the needle valve toward the tip side through a protrusion rod is arranged in a spring chamber in the valve body, a pair of synthetic resins that slidably support the protrusion rod are used. An alcohol fuel injection valve characterized in that a sliding bearing is provided, and a thrust bearing is further interposed in at least one spring bearing portion on the valve body side or the protrusion rod side. 2. The alcohol fuel according to claim 1, wherein the protruding rod or the front-side sliding bearing is formed with a relief passage that communicates the spring chamber with a space closer to the needle valve than the sliding bearing. injection valve. 3. The first or second claim further comprises a lift limiting member which is separate from the slide bearing and is harder than the slide bearing, and is configured to limit the lift of the needle valve with this member. An alcohol fuel injection valve according to the claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2674490U JPH03116764U (en) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2674490U JPH03116764U (en) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03116764U true JPH03116764U (en) | 1991-12-03 |
Family
ID=31529623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2674490U Pending JPH03116764U (en) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03116764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012002137A (en) * | 2010-06-17 | 2012-01-05 | Bosch Corp | Fuel injection valve |
-
1990
- 1990-03-15 JP JP2674490U patent/JPH03116764U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012002137A (en) * | 2010-06-17 | 2012-01-05 | Bosch Corp | Fuel injection valve |