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JPS59172252U - internal combustion engine piston - Google Patents

internal combustion engine piston

Info

Publication number
JPS59172252U
JPS59172252U JP6709283U JP6709283U JPS59172252U JP S59172252 U JPS59172252 U JP S59172252U JP 6709283 U JP6709283 U JP 6709283U JP 6709283 U JP6709283 U JP 6709283U JP S59172252 U JPS59172252 U JP S59172252U
Authority
JP
Japan
Prior art keywords
piston
internal combustion
combustion engine
cavity
engine piston
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
JP6709283U
Other languages
Japanese (ja)
Inventor
石田　徳平
靖雄 高木
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP6709283U priority Critical patent/JPS59172252U/en
Publication of JPS59172252U publication Critical patent/JPS59172252U/en
Pending legal-status Critical Current

Links

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  • Combustion Methods Of Internal-Combustion Engines (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図は従来例を示す平面図であり、第２図は側断面図
である。第３図は本考案の実施例を示す平面図であり、
第４図は側断面図である。第５図は他の実施例を示す平
面図であり、第６図は側断面図である。 ２・・・ピストン頂面、３・・・キャビティ、８・・・
最大曲率領域、９・・・溝。FIG. 1 is a plan view showing a conventional example, and FIG. 2 is a side sectional view. FIG. 3 is a plan view showing an embodiment of the present invention,
FIG. 4 is a side sectional view. FIG. 5 is a plan view showing another embodiment, and FIG. 6 is a side sectional view. 2... Piston top surface, 3... Cavity, 8...
Maximum curvature area, 9...groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン頂部にキャビティを備え、このキャビティ周囲
のピストン頂面と機関シリンダヘッドとの間にスキッシ
ュエリアを形成する内燃機関のピストンにおいて、上記
キャビティを横断面と非円形に形成するとともに、この
非円形キャビティのほぼ最大曲率領域に開口する溝をピ
ストン頂面に略放射状に設けたことを特徴とする内燃機
関のピIn a piston of an internal combustion engine that has a cavity at the top of the piston and forms a squish area between the top surface of the piston around the cavity and the engine cylinder head, the cavity is formed to have a non-circular cross section, and the non-circular cavity A piston piston for an internal combustion engine, characterized in that grooves that open in a region of approximately the maximum curvature of the piston are provided approximately radially on the top surface of the piston.
JP6709283U 1983-05-04 1983-05-04 internal combustion engine piston Pending JPS59172252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6709283U JPS59172252U (en) 1983-05-04 1983-05-04 internal combustion engine piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6709283U JPS59172252U (en) 1983-05-04 1983-05-04 internal combustion engine piston

Publications (1)

Publication Number Publication Date
JPS59172252U true JPS59172252U (en) 1984-11-17

Family

ID=30197295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6709283U Pending JPS59172252U (en) 1983-05-04 1983-05-04 internal combustion engine piston

Country Status (1)

Country Link
JP (1) JPS59172252U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100503818B1 (en) * 2002-09-11 2005-07-26 한국기계연구원 Piston for medium and heavy duty spark ignition lean burn engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100503818B1 (en) * 2002-09-11 2005-07-26 한국기계연구원 Piston for medium and heavy duty spark ignition lean burn engine

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