JPS63110670U - - Google Patents
Info
- Publication number
- JPS63110670U JPS63110670U JP102187U JP102187U JPS63110670U JP S63110670 U JPS63110670 U JP S63110670U JP 102187 U JP102187 U JP 102187U JP 102187 U JP102187 U JP 102187U JP S63110670 U JPS63110670 U JP S63110670U
- Authority
- JP
- Japan
- Prior art keywords
- seat
- injection valve
- tip
- lift position
- valve body
- 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
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は第２図の燃料噴射弁の先端部分の詳細
図、第２図は本考案による燃料噴射弁を示す断面
図、第３図は第１図の燃料噴射弁の燃料噴射の様
子を模式的に示した図である。
１０…噴射弁本体、１２…ニードル弁、３０…
プランジヤ、３８…ピエゾアクチユエータ、６０
，６２…シート、６４，６６…シート部、６８…
円筒部、７０…弁孔。
Fig. 1 is a detailed view of the tip of the fuel injection valve shown in Fig. 2, Fig. 2 is a sectional view showing the fuel injection valve according to the present invention, and Fig. 3 shows the state of fuel injection by the fuel injection valve shown in Fig. 1. It is a diagram schematically shown. 10...Injection valve body, 12...Needle valve, 30...
Plunger, 38... Piezo actuator, 60
, 62... Seat, 64, 66... Seat part, 68...
Cylindrical portion, 70...valve hole.
Claims (1)
のシートを有する噴射弁本体と、該噴射弁本体内
に挿入されたニードル弁と、該ニードル弁を第１
のリフト位置及びこれより大きい第２のリフト位
置で駆動することのできる駆動手段とからなり、
該ニードル弁が前記噴射弁本体の第１のシートに
係合可能な第１のシート部と、該第１のシート部
の先端側にあつて第２のリフト位置において前記
第２のシートに係合可能な第２のシート部と、該
第１のシート部と該第２のシート部との間に開口
を有してニードル弁の側面から先端に通じる弁孔
とを有することを特徴とする燃料噴射弁。 A first sheet is formed on the inner surface of the tip and a second sheet is formed on the outer surface of the tip.
an injection valve body having a seat; a needle valve inserted into the injection valve body;
a lift position and a drive means capable of being driven in a second, larger lift position;
The needle valve includes a first seat portion that is engageable with the first seat of the injection valve body, and a second seat portion that is located on the distal end side of the first seat portion and that engages with the second seat at a second lift position. The valve hole has an opening between the first seat part and the second seat part and communicates from the side surface to the tip of the needle valve. fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP102187U JPS63110670U (en) | 1987-01-09 | 1987-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP102187U JPS63110670U (en) | 1987-01-09 | 1987-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63110670U true JPS63110670U (en) | 1988-07-15 |
Family
ID=30778538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP102187U Pending JPS63110670U (en) | 1987-01-09 | 1987-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63110670U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010027575A2 (en) * | 2008-08-27 | 2010-03-11 | Woodward Governor Company | Piloted variable area fuel injector |
| EP2646677A4 (en) * | 2010-12-01 | 2016-07-27 | Woodward Fst Inc | Hybrid variable area fuel injector with thermal protection |
| WO2018066327A1 (en) * | 2016-10-03 | 2018-04-12 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
| WO2018135264A1 (en) * | 2017-01-23 | 2018-07-26 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
| WO2018135262A1 (en) * | 2017-01-23 | 2018-07-26 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
-
1987
- 1987-01-09 JP JP102187U patent/JPS63110670U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010027575A2 (en) * | 2008-08-27 | 2010-03-11 | Woodward Governor Company | Piloted variable area fuel injector |
| WO2010027575A3 (en) * | 2008-08-27 | 2010-04-29 | Woodward Governor Company | Piloted variable area fuel injector |
| EP2646677A4 (en) * | 2010-12-01 | 2016-07-27 | Woodward Fst Inc | Hybrid variable area fuel injector with thermal protection |
| WO2018066327A1 (en) * | 2016-10-03 | 2018-04-12 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
| WO2018135264A1 (en) * | 2017-01-23 | 2018-07-26 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
| WO2018135262A1 (en) * | 2017-01-23 | 2018-07-26 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |