JPH0188027U - - Google Patents

Info

Publication number
JPH0188027U
JPH0188027U JP18381787U JP18381787U JPH0188027U JP H0188027 U JPH0188027 U JP H0188027U JP 18381787 U JP18381787 U JP 18381787U JP 18381787 U JP18381787 U JP 18381787U JP H0188027 U JPH0188027 U JP H0188027U
Authority
JP
Japan
Prior art keywords
nozzle
nozzle holes
angle
diameter
row
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
Application number
JP18381787U
Other languages
English (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 JP18381787U priority Critical patent/JPH0188027U/ja
Priority to US07/340,724 priority patent/US4919093A/en
Priority to DE8888903356T priority patent/DE3872637T2/de
Priority to PCT/JP1988/000350 priority patent/WO1988008081A1/ja
Priority to EP88903356A priority patent/EP0309590B1/en
Publication of JPH0188027U publication Critical patent/JPH0188027U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例の構成説明図、第
２図は第１図方向からの矢視図、第３図はこの
考案の要部である上下２列の噴孔の配列を図解的
に示し、第４図は下列の噴孔の角度と燃費率との
関係図、第５図は上列の噴孔の角度と燃費率との
関係図、第６図はｄ／Ｄと燃費率との関係図、第
７図、第８図は本出願人がさきに提案した燃焼室
とノズルの噴孔の配列をそれぞれ示す。 １……噴射ノズル、４……噴孔、ｘ……下列の
噴孔の角度、ｙ……上列の噴孔の角度、ｚ……噴
霧中心ｏ，ｏ′の距離、ｄ……キヤビテイ径、Ｄ
……ボア径、Ｈ……キヤビテイの深さ。

Claims (1)

  1. 【実用新案登録請求の範囲】 燃料室のキヤビテイ径ｄとボア径Ｄとの比ｄ／
    Ｄが、 ０．５５≦ｄ／Ｄ≦０．８０ で且つキヤビテイの深さＨとキヤビテイ径ｄの比
    Ｈ／ｄが、 Ｈ／ｄ〈０．４５ であるような燃焼室を有するピストンにおいて、
    噴射ノズルの噴孔を上下２列で同心軸上に或る距
    離Ｚだけ離れた点にそれぞれ中心をもつ円周上に
    あり、しかも上、下列の噴孔を千鳥状に配置し、
    上記噴孔の数を１０〜１６個とし、上列の噴孔の
    角度ｙを ７５゜≦ｙ≦８０゜ とし、下列の噴孔の角度ｘを ５５゜≦ｘ≦７０゜ とし、上列の噴孔径をｄ１、下列の噴孔径をｄ２
    とすると、 ｄ１≧ｄ２ とし、且つ ｄ１〈Ｚ〈５ｄ１ としたことを特徴とする、内燃機関の燃料噴射ノ
    ズル装置。
JP18381787U 1987-04-07 1987-12-03 Pending JPH0188027U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP18381787U JPH0188027U (ja) 1987-12-03 1987-12-03
US07/340,724 US4919093A (en) 1987-04-07 1988-04-07 Internal combustion engine
DE8888903356T DE3872637T2 (de) 1987-04-07 1988-04-07 Verbrennungsmotor.
PCT/JP1988/000350 WO1988008081A1 (en) 1987-04-07 1988-04-07 Internal combustion engine
EP88903356A EP0309590B1 (en) 1987-04-07 1988-04-07 Internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18381787U JPH0188027U (ja) 1987-12-03 1987-12-03

Publications (1)

Publication Number Publication Date
JPH0188027U true JPH0188027U (ja) 1989-06-09

Family

ID=31475223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18381787U Pending JPH0188027U (ja) 1987-04-07 1987-12-03

Country Status (1)

Country Link
JP (1) JPH0188027U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000054908A (ja) * 1998-05-22 2000-02-22 Waertsilae Nsd Schweiz Ag ツ―ストロ―クディ―ゼルエンジンにおけるシリンダカバ―及びシリンダカバ―の配置構造
WO2000020735A1 (en) * 1997-04-11 2000-04-13 Yanmar Diesel Engine Co., Ltd. Combustion system for direct injection diesel engines

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59173554A (ja) * 1983-03-22 1984-10-01 Kawasaki Heavy Ind Ltd 燃料噴射弁

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59173554A (ja) * 1983-03-22 1984-10-01 Kawasaki Heavy Ind Ltd 燃料噴射弁

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020735A1 (en) * 1997-04-11 2000-04-13 Yanmar Diesel Engine Co., Ltd. Combustion system for direct injection diesel engines
JP2000054908A (ja) * 1998-05-22 2000-02-22 Waertsilae Nsd Schweiz Ag ツ―ストロ―クディ―ゼルエンジンにおけるシリンダカバ―及びシリンダカバ―の配置構造

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