JPS6293159U - - Google Patents
Info
- Publication number
- JPS6293159U JPS6293159U JP18450185U JP18450185U JPS6293159U JP S6293159 U JPS6293159 U JP S6293159U JP 18450185 U JP18450185 U JP 18450185U JP 18450185 U JP18450185 U JP 18450185U JP S6293159 U JPS6293159 U JP S6293159U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel injection
- seating position
- needle valve
- needle
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例の構成を示す断面図
。第２図ａ〜ｃはダンピングバルブを示す断面図
、弁体の正面図および弁体の側面図。第３図は本
考案の作用の説明に供する特性線図。
１……ノズル、２……針弁、５……ノズルホル
ダ本体、８……プランジヤ、１０……弁スプリン
グ、１１……シート、１２……ダンピングバルブ
。
FIG. 1 is a sectional view showing the configuration of an embodiment of the present invention. FIGS. 2a to 2c are a cross-sectional view of the damping valve, a front view of the valve body, and a side view of the valve body. FIG. 3 is a characteristic diagram for explaining the operation of the present invention. DESCRIPTION OF SYMBOLS 1... Nozzle, 2... Needle valve, 5... Nozzle holder body, 8... Plunger, 10... Valve spring, 11... Seat, 12... Damping valve.
Claims (1)
向に付勢する弁スプリングと、着座位置からの移
動により受圧面積が切替えられかつ着座位置から
の変位量にともなつて前記弁スプリングを圧縮さ
せるドツジプランジヤとを備え、燃料噴射ポンプ
からの吐出燃料圧力を受けて開、閉弁方向に針弁
が駆動させられるとともにドツジプランジヤが変
位させられる燃料噴射弁において、前記ドツジプ
ランジヤの着座時のみ働いてドツジプランジヤの
着座時における衝撃を緩衝させるダンピング手段
を備えたことを特徴とする燃料噴射弁。 A valve spring biases a needle valve inserted into a nozzle so as to move forward and backward in the valve closing direction, and a pressure receiving area is switched by movement from a seating position, and the valve spring is compressed in accordance with the amount of displacement from the seating position. In this fuel injection valve, the needle valve is driven in the opening and closing directions in response to the discharge fuel pressure from the fuel injection pump, and the dodge plunger is displaced. A fuel injection valve characterized by being equipped with a damping means for cushioning a shock when a person is seated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985184501U JPH0424136Y2 (en) | 1985-12-02 | 1985-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985184501U JPH0424136Y2 (en) | 1985-12-02 | 1985-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6293159U true JPS6293159U (en) | 1987-06-13 |
| JPH0424136Y2 JPH0424136Y2 (en) | 1992-06-05 |
Family
ID=31132236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985184501U Expired JPH0424136Y2 (en) | 1985-12-02 | 1985-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424136Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63198774A (en) * | 1987-02-04 | 1988-08-17 | フエスト − アルピネ オウトモチブ ゲゼルシャフト ミットベシュレンクテル ハフツンク | Fuel injection nozzle |
| JPH01158553U (en) * | 1988-04-18 | 1989-11-01 | ||
| JP2008202559A (en) * | 2007-02-22 | 2008-09-04 | Toyota Motor Corp | Fuel injection control device for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55139260U (en) * | 1979-03-28 | 1980-10-04 |
-
1985
- 1985-12-02 JP JP1985184501U patent/JPH0424136Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55139260U (en) * | 1979-03-28 | 1980-10-04 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63198774A (en) * | 1987-02-04 | 1988-08-17 | フエスト − アルピネ オウトモチブ ゲゼルシャフト ミットベシュレンクテル ハフツンク | Fuel injection nozzle |
| JPH01158553U (en) * | 1988-04-18 | 1989-11-01 | ||
| JP2008202559A (en) * | 2007-02-22 | 2008-09-04 | Toyota Motor Corp | Fuel injection control device for internal combustion engine |
| JP4715768B2 (en) * | 2007-02-22 | 2011-07-06 | トヨタ自動車株式会社 | Fuel injection control device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424136Y2 (en) | 1992-06-05 |