JPS6045869U - fuel injection pump - Google Patents

fuel injection pump

Info

Publication number
JPS6045869U
JPS6045869U JP13748383U JP13748383U JPS6045869U JP S6045869 U JPS6045869 U JP S6045869U JP 13748383 U JP13748383 U JP 13748383U JP 13748383 U JP13748383 U JP 13748383U JP S6045869 U JPS6045869 U JP S6045869U
Authority
JP
Japan
Prior art keywords
cylinder
plunger
pressure chamber
fuel injection
injection pump
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
JP13748383U
Other languages
Japanese (ja)
Other versions
JPS6246854Y2 (en
Inventor
康夫 佐藤
Original Assignee
トヨタ自動車株式会社
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 by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP13748383U priority Critical patent/JPS6045869U/en
Publication of JPS6045869U publication Critical patent/JPS6045869U/en
Application granted granted Critical
Publication of JPS6246854Y2 publication Critical patent/JPS6246854Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はこの考案に係る燃料噴射ポンプの一実施例を示
す縦断面図、第２図〜第４図は同実施例におけるプラン
ジャ内の圧力室を異なる作動状態について示す拡大縦断
面図である。FIG. 1 is a longitudinal sectional view showing an embodiment of a fuel injection pump according to this invention, and FIGS. 2 to 4 are enlarged longitudinal sectional views showing the pressure chamber in the plunger in different operating states in the same embodiment. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部に燃料が供給されかつ一端が吐出口に連通されたシ
リンダと、このシリンダ内に摺動自在に挿入されかつシ
リンダ内面に金属接触するプランジャと、エンジン出力
軸によって駆動されて前記プランジャを往復動させるカ
ムとを備えた燃料噴射ポンプにおいて、前記プランジャ
内には、プランジャとシリンダとの間隙に連通された圧
力室が設けられ、前記プランジャには前記一端に向って
開口しかつ前記圧力室にまで至る導圧孔が設けられ、こ
の導圧孔と前記圧力室とはダイヤフラムによって仕切ら
れ、前記シリンダには、シリンダ内外面を連通ずる潤滑
油導入孔が設けられ、この潤滑油導入孔には、逆止弁を
含む潤滑油供給系統が接続されていることを特徴とする
燃料噴射ポンプ。A cylinder into which fuel is supplied and whose one end communicates with a discharge port, a plunger which is slidably inserted into the cylinder and makes metal contact with the inner surface of the cylinder, and is driven by an engine output shaft to cause the plunger to reciprocate. In the fuel injection pump, a pressure chamber is provided in the plunger and communicated with a gap between the plunger and the cylinder, and the plunger has a pressure chamber that opens toward the one end and extends into the pressure chamber. The pressure guiding hole and the pressure chamber are separated by a diaphragm, and the cylinder is provided with a lubricating oil introducing hole that communicates between the inner and outer surfaces of the cylinder, and the lubricating oil introducing hole has a A fuel injection pump characterized in that a lubricating oil supply system including a check valve is connected.
JP13748383U 1983-09-05 1983-09-05 fuel injection pump Granted JPS6045869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13748383U JPS6045869U (en) 1983-09-05 1983-09-05 fuel injection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13748383U JPS6045869U (en) 1983-09-05 1983-09-05 fuel injection pump

Publications (2)

Publication Number Publication Date
JPS6045869U true JPS6045869U (en) 1985-03-30
JPS6246854Y2 JPS6246854Y2 (en) 1987-12-21

Family

ID=30308791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13748383U Granted JPS6045869U (en) 1983-09-05 1983-09-05 fuel injection pump

Country Status (1)

Country Link
JP (1) JPS6045869U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010229865A (en) * 2009-03-26 2010-10-14 Denso Corp Fuel pressurizing device
JP2013137018A (en) * 2011-12-15 2013-07-11 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland Fuel pump for large turbocharged two-stroke diesel engine
JP2014517201A (en) * 2011-06-14 2014-07-17 ボルボ ラストバグナー アーベー Fuel system and method for reducing fuel leakage from a fuel system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010229865A (en) * 2009-03-26 2010-10-14 Denso Corp Fuel pressurizing device
JP2014517201A (en) * 2011-06-14 2014-07-17 ボルボ ラストバグナー アーベー Fuel system and method for reducing fuel leakage from a fuel system
EP2721279B1 (en) * 2011-06-14 2020-05-06 Volvo Lastvagnar AB Fuel system and method for reducing fuel leakage from a fuel system
JP2013137018A (en) * 2011-12-15 2013-07-11 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland Fuel pump for large turbocharged two-stroke diesel engine

Also Published As

Publication number Publication date
JPS6246854Y2 (en) 1987-12-21

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