JPH0325857U - - Google Patents

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Publication number
JPH0325857U
JPH0325857U JP8528289U JP8528289U JPH0325857U JP H0325857 U JPH0325857 U JP H0325857U JP 8528289 U JP8528289 U JP 8528289U JP 8528289 U JP8528289 U JP 8528289U JP H0325857 U JPH0325857 U JP H0325857U
Authority
JP
Japan
Prior art keywords
fuel
injection
fuel injection
plunger chamber
chamber
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
Application number
JP8528289U
Other languages
Japanese (ja)
Other versions
JP2578012Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989085282U priority Critical patent/JP2578012Y2/en
Publication of JPH0325857U publication Critical patent/JPH0325857U/ja
Application granted granted Critical
Publication of JP2578012Y2 publication Critical patent/JP2578012Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fuel-Injection Apparatus (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案実施例による燃料噴射装置の全
体構成を示す断面図、第２図は第１図に示した燃
料噴射装置における制御部の一作用を説明するた
めの線図、第３図は第１図に示した燃料噴射装置
により得られる作用を説明するための線図、第４
図は従来の燃料噴射装置の要部構造を示す第１図
相当の断面図である。 ２０…燃焼室、２４…燃料噴射ノズル、２５…
高圧送油路、２６…プランジヤ室、２７…プラン
ジヤ、３２…燃料供給路、３９…ニードル弁、４
２…燃料噴射用電磁弁、４３…低圧油路、５０…
コントローラ。 FIG. 1 is a cross-sectional view showing the overall configuration of a fuel injection device according to an embodiment of the present invention, FIG. 2 is a diagram for explaining an operation of the control section in the fuel injection device shown in FIG. 1, and FIG. 4 is a diagram for explaining the effect obtained by the fuel injection device shown in FIG.
The figure is a sectional view corresponding to FIG. 1 showing the main structure of a conventional fuel injection device. 20... Combustion chamber, 24... Fuel injection nozzle, 25...
High pressure oil supply path, 26... Plunger chamber, 27... Plunger, 32... Fuel supply path, 39... Needle valve, 4
2...Fuel injection solenoid valve, 43...Low pressure oil path, 50...
controller.

Claims (1)

【実用新案登録請求の範囲】 内燃機関の機関本体に支持されて燃料供給系か
ら燃料を供給されるプランジヤ室と、上記内燃機
関の出力軸からの駆動力を受けて上記プランジヤ
室の燃料を加圧作動するプランジヤと、上記プラ
ンンジヤ室からの高圧燃料を高圧送油路を介して
供給されると共に、ニードル弁の開時に上記高圧
燃料を上記内燃機関の燃焼室内に噴射する噴射ノ
ズルと、上記プランジヤ室内とこのプランジヤ室
からのリターン油をスピルさせる低圧油路との間
に位置して低圧油路の開閉操作を行うことで噴射
時期および噴射量を調整する燃料噴射用電磁弁と
を一体構造内に配置した燃料噴射装置であつて、 上記燃料噴射用電磁弁には、機関回転情報およ
び機関負荷情報を入力される制御部が接続され、
この制御部は、上記各情報に応じた噴射時期およ
び噴射量を設定すると共に、この噴射時期の前後
に少量の分割噴射を行わせるように上記燃料噴射
用電磁弁の動作を制御することを特徴とする燃料
噴射装置。[Scope of Claim for Utility Model Registration] A plunger chamber supported by the engine body of an internal combustion engine and supplied with fuel from a fuel supply system, and a plunger chamber that receives driving force from the output shaft of the internal combustion engine to apply fuel in the plunger chamber. a plunger that operates under pressure; an injection nozzle that is supplied with high-pressure fuel from the plunger chamber via a high-pressure oil supply path and that injects the high-pressure fuel into a combustion chamber of the internal combustion engine when a needle valve is opened; The fuel injection solenoid valve is located between the chamber and the low-pressure oil passage that spills return oil from the plunger chamber, and adjusts the injection timing and injection amount by opening and closing the low-pressure oil passage. The fuel injection device is arranged in a fuel injection device, and the fuel injection solenoid valve is connected to a control section into which engine rotation information and engine load information are input,
The control section is characterized by setting the injection timing and injection amount according to each of the above information, and controlling the operation of the fuel injection solenoid valve so as to perform a small amount of divided injection before and after the injection timing. Fuel injection device.
JP1989085282U 1989-07-20 1989-07-20 Fuel injection device Expired - Lifetime JP2578012Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989085282U JP2578012Y2 (en) 1989-07-20 1989-07-20 Fuel injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989085282U JP2578012Y2 (en) 1989-07-20 1989-07-20 Fuel injection device

Publications (2)

Publication Number Publication Date
JPH0325857U true JPH0325857U (en) 1991-03-18
JP2578012Y2 JP2578012Y2 (en) 1998-08-06

Family

ID=31634330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989085282U Expired - Lifetime JP2578012Y2 (en) 1989-07-20 1989-07-20 Fuel injection device

Country Status (1)

Country Link
JP (1) JP2578012Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11200933A (en) * 1997-10-25 1999-07-27 Robert Bosch Gmbh Method for injecting fuel into a combustion chamber of an air compression type self-ignition internal combustion engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027775A (en) * 1983-07-27 1985-02-12 Nissan Motor Co Ltd Apparatus for fuel injection

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027775A (en) * 1983-07-27 1985-02-12 Nissan Motor Co Ltd Apparatus for fuel injection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11200933A (en) * 1997-10-25 1999-07-27 Robert Bosch Gmbh Method for injecting fuel into a combustion chamber of an air compression type self-ignition internal combustion engine

Also Published As

Publication number Publication date
JP2578012Y2 (en) 1998-08-06

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