JPH0411215U - - Google Patents

Info

Publication number
JPH0411215U
JPH0411215U JP5143390U JP5143390U JPH0411215U JP H0411215 U JPH0411215 U JP H0411215U JP 5143390 U JP5143390 U JP 5143390U JP 5143390 U JP5143390 U JP 5143390U JP H0411215 U JPH0411215 U JP H0411215U
Authority
JP
Japan
Prior art keywords
protrusion
piston
cavity
approximately
top surface
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
JP5143390U
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 JP5143390U priority Critical patent/JPH0411215U/ja
Publication of JPH0411215U publication Critical patent/JPH0411215U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

【図面の簡単な説明】
第１図は本考案のピストンの構造を示す縦断面
図、第２図は従来のピストンの構造を示す縦断面
図、第３図は燃料噴射時期と、燃焼効率、ＮＯＸ
の排出量との関係を示すグラフである。 図中１は本考案のピストン、２はピストン本体
、３はキヤビテイ、５，６は突起、７，８はスワ
ールを示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. ピストン本体頂面に形成したキヤビテイ内の略
    中央部に突起を設け且つ該突起とキヤビテイ縁部
    との間に、前記突起に対し略同芯状に別の突起を
    設けたことを特徴とするピストン。
JP5143390U 1990-05-17 1990-05-17 Pending JPH0411215U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5143390U JPH0411215U (ja) 1990-05-17 1990-05-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5143390U JPH0411215U (ja) 1990-05-17 1990-05-17

Publications (1)

Publication Number Publication Date
JPH0411215U true JPH0411215U (ja) 1992-01-30

Family

ID=31570874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5143390U Pending JPH0411215U (ja) 1990-05-17 1990-05-17

Country Status (1)

Country Link
JP (1) JPH0411215U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04330328A (ja) * 1991-04-30 1992-11-18 Isuzu Motors Ltd 直接噴射式ディーゼルエンジンの燃焼室

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851024B2 (ja) * 1975-05-26 1983-11-14 帝人株式会社 ユウシヨクカゴウブツノセイゾウホウ
JPH0235927B2 (ja) * 1985-09-24 1990-08-14 Kajima Corp Hekimentoritsukekigunokimitsushikenki

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851024B2 (ja) * 1975-05-26 1983-11-14 帝人株式会社 ユウシヨクカゴウブツノセイゾウホウ
JPH0235927B2 (ja) * 1985-09-24 1990-08-14 Kajima Corp Hekimentoritsukekigunokimitsushikenki

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04330328A (ja) * 1991-04-30 1992-11-18 Isuzu Motors Ltd 直接噴射式ディーゼルエンジンの燃焼室

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