JPS6453459U - - Google Patents
Info
- Publication number
- JPS6453459U JPS6453459U JP14820587U JP14820587U JPS6453459U JP S6453459 U JPS6453459 U JP S6453459U JP 14820587 U JP14820587 U JP 14820587U JP 14820587 U JP14820587 U JP 14820587U JP S6453459 U JPS6453459 U JP S6453459U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- hydraulic actuator
- feed pump
- sleeve
- plunger
- 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 15
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の要部を示すもので、第１図
Ａは油圧アクチユエータを示す一部切欠き断面図
、第１図Ｂは絞り部およびその近傍を示す断面図
、第２図はこの考案の燃料噴射装置全体の概略構
成を示す図、第３図は燃料噴射ポンプを示す断面
図である。
１……燃料噴射ポンプ、２……ポンプ本体、３
……フイードポンプ、４……駆動軸、８……燃料
入口、９……燃料出口、１１……プランジヤ、１
６……燃料加圧室、１９……燃料溜まり室、２０
……制御スリーブ、２８……油圧アクチユエータ
、２９……シリンダ孔、２９ａ……燃料導入室、
３０……ピストン（変位部材）、３４……コイル
ばね（弾性部材）、３８……絞り部。
Figure 1 shows the main parts of this invention. Figure 1A is a partially cutaway sectional view showing the hydraulic actuator, Figure 1B is a sectional view showing the throttle part and its vicinity, and Figure 2 is a sectional view of the hydraulic actuator. FIG. 3 is a cross-sectional view showing the fuel injection pump. 1...Fuel injection pump, 2...Pump body, 3
...Feed pump, 4...Drive shaft, 8...Fuel inlet, 9...Fuel outlet, 11...Plunger, 1
6...Fuel pressurization chamber, 19...Fuel reservoir chamber, 20
... Control sleeve, 28 ... Hydraulic actuator, 29 ... Cylinder hole, 29a ... Fuel introduction chamber,
30... Piston (displacement member), 34... Coil spring (elastic member), 38... Throttle portion.
Claims (1)
フイードポンプと、このフイードポンプによつて
循環せしめられる燃料の一部を加圧して前記内燃
機関に燃料を圧送するプランジヤと、このプラン
ジヤに外挿され、プランジヤに対して変位するこ
とによつてプランジヤのプリストロークを変える
制御スリーブと、このスリーブを変位させる油圧
アクチユエータとを備えたプリストローク制御機
構付き燃料噴射装置において、前記油圧アクチユ
エータを、前記フイードポンプによつて循環せし
められる燃料の押圧力によつて変位せしめられ、
その変位によつて前記制御スリーブを変位させる
変位部材と、この変位部材を前記燃料の押圧力に
抗して付勢する弾性部材とを備えた構成とし、さ
らに前記フイードポンプによる燃料の循環系にお
ける前記油圧アクチユエータの下流側に燃料の流
量を絞る絞り部を設けたことを特徴とするプリス
トローク制御機構付き燃料噴射装置。 A feed pump driven by an internal combustion engine to circulate fuel; a plunger that pressurizes a portion of the fuel circulated by the feed pump and pumps the fuel to the internal combustion engine; In the fuel injection device with a prestroke control mechanism, the control sleeve is provided with a control sleeve that changes the prestroke of the plunger by being displaced against the cylinder, and a hydraulic actuator that displaces the sleeve, wherein the hydraulic actuator is controlled by the feed pump. Displaced by the pressing force of the circulating fuel,
The configuration includes a displacement member that displaces the control sleeve by the displacement, and an elastic member that urges the displacement member against the pressing force of the fuel, and further includes A fuel injection device with a pre-stroke control mechanism, characterized in that a throttle part is provided on the downstream side of a hydraulic actuator to throttle the flow rate of fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14820587U JPS6453459U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14820587U JPS6453459U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6453459U true JPS6453459U (en) | 1989-04-03 |
Family
ID=31419315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14820587U Pending JPS6453459U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453459U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7276730B2 (en) | 1998-12-28 | 2007-10-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device having a pixel matrix circuit that includes a pixel TFT and a storage capacitor |
| US7423291B2 (en) | 1994-04-29 | 2008-09-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and electronic device |
| US7626200B2 (en) | 2003-09-17 | 2009-12-01 | Sony Corporation | Process for fabricating a thin film semiconductor device, thin film semiconductor device, and liquid crystal display |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS614711U (en) * | 1983-12-07 | 1986-01-13 | 潔 井川 | Forced rotary flow discharge device for pollutants deposited at the bottom of an underground water tank |
| JPS61123756A (en) * | 1984-11-16 | 1986-06-11 | Diesel Kiki Co Ltd | Fuel injection pump |
-
1987
- 1987-09-30 JP JP14820587U patent/JPS6453459U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS614711U (en) * | 1983-12-07 | 1986-01-13 | 潔 井川 | Forced rotary flow discharge device for pollutants deposited at the bottom of an underground water tank |
| JPS61123756A (en) * | 1984-11-16 | 1986-06-11 | Diesel Kiki Co Ltd | Fuel injection pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7423291B2 (en) | 1994-04-29 | 2008-09-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and electronic device |
| US7276730B2 (en) | 1998-12-28 | 2007-10-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device having a pixel matrix circuit that includes a pixel TFT and a storage capacitor |
| US7626200B2 (en) | 2003-09-17 | 2009-12-01 | Sony Corporation | Process for fabricating a thin film semiconductor device, thin film semiconductor device, and liquid crystal display |
| US7696020B2 (en) | 2003-09-17 | 2010-04-13 | Sony Corporation | Process for fabricating a thin film semiconductor device, thin film semiconductor device, and liquid crystal display |
| US7804094B2 (en) | 2003-09-17 | 2010-09-28 | Sony Corporation | Process for fabricating a thin film semiconductor device, thin film semiconductor device, and liquid crystal display |