JPS5927141U - engine piston - Google Patents

engine piston

Info

Publication number
JPS5927141U
JPS5927141U JP12221482U JP12221482U JPS5927141U JP S5927141 U JPS5927141 U JP S5927141U JP 12221482 U JP12221482 U JP 12221482U JP 12221482 U JP12221482 U JP 12221482U JP S5927141 U JPS5927141 U JP S5927141U
Authority
JP
Japan
Prior art keywords
piston
exhaust valve
pair
engine piston
recess
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
JP12221482U
Other languages
Japanese (ja)
Other versions
JPH0115881Y2 (en
Inventor
幸雄 山本
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP12221482U priority Critical patent/JPS5927141U/en
Publication of JPS5927141U publication Critical patent/JPS5927141U/en
Application granted granted Critical
Publication of JPH0115881Y2 publication Critical patent/JPH0115881Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • 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図は従来例の平面図、第２図は本考案の実施例を示
す平面図、第３図は第２図の■−■線断面図である。 １はピストン、１ａは頂部、２は吸気弁用凹陥部、３は
排気弁用凹陥部、４は凹部、６は切欠部、７は段部。FIG. 1 is a plan view of a conventional example, FIG. 2 is a plan view showing an embodiment of the present invention, and FIG. 3 is a sectional view taken along the line ■--■ in FIG. 1 is a piston, 1a is a top, 2 is an intake valve recess, 3 is an exhaust valve recess, 4 is a recess, 6 is a notch, and 7 is a step.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン１の頂部１ａに、一対の吸気弁用凹陥部２，２
と一対の排気弁用凹陥部３，３とを形成し、かつ中央部
には凹部４を形成すると共に、相隣接する一対の排気弁
用凹陥部３，３間のピストン頂部１’　ａにおける凹部
４側に、排気弁用凹陥部３と同−深さの切欠部６を形成
し、その段部７を境界部分としたことを特徴とするエン
ジンのピストン。A pair of intake valve recesses 2, 2 are provided at the top 1a of the piston 1.
and a pair of exhaust valve recesses 3, 3, and a recess 4 in the center, and a recess in the piston top 1'a between the adjacent pair of exhaust valve recesses 3, 3. A piston for an engine, characterized in that a notch 6 having the same depth as the exhaust valve concave part 3 is formed on the 4 side, and a stepped part 7 of the notch 6 is formed as a boundary part.
JP12221482U 1982-08-13 1982-08-13 engine piston Granted JPS5927141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12221482U JPS5927141U (en) 1982-08-13 1982-08-13 engine piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12221482U JPS5927141U (en) 1982-08-13 1982-08-13 engine piston

Publications (2)

Publication Number Publication Date
JPS5927141U true JPS5927141U (en) 1984-02-20
JPH0115881Y2 JPH0115881Y2 (en) 1989-05-11

Family

ID=30279435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12221482U Granted JPS5927141U (en) 1982-08-13 1982-08-13 engine piston

Country Status (1)

Country Link
JP (1) JPS5927141U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116817A (en) * 1983-11-29 1985-06-24 Yamaha Motor Co Ltd Piston of 4-cycle engine
JP2009520139A (en) * 2005-12-17 2009-05-21 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング Piston for an internal combustion engine and method for manufacturing a piston

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116817A (en) * 1983-11-29 1985-06-24 Yamaha Motor Co Ltd Piston of 4-cycle engine
JP2009520139A (en) * 2005-12-17 2009-05-21 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング Piston for an internal combustion engine and method for manufacturing a piston

Also Published As

Publication number Publication date
JPH0115881Y2 (en) 1989-05-11

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