JPS61116125U - - Google Patents

Info

Publication number
JPS61116125U
JPS61116125U JP19769284U JP19769284U JPS61116125U JP S61116125 U JPS61116125 U JP S61116125U JP 19769284 U JP19769284 U JP 19769284U JP 19769284 U JP19769284 U JP 19769284U JP S61116125 U JPS61116125 U JP S61116125U
Authority
JP
Japan
Prior art keywords
combustion chamber
recess
depth
provided below
inner diameter
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
JP19769284U
Other languages
Japanese (ja)
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 JP19769284U priority Critical patent/JPS61116125U/ja
Publication of JPS61116125U publication Critical patent/JPS61116125U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案の燃焼室を備えたピストンの平
面図、第２図は第１図の―線における断面図
、第３図及び第４図はそれぞれ本考案の燃焼室を
備えたエンジンのエンジン回転―排気色特性、お
よびエンジン回転―相対的燃費率特性の従来のエ
ンジンの同特性との比較を示す線図、第５図〜第
７図はそれぞれＤ１／Ｄ２，Ｄ２／Ｄ０，ｈ１／
ｈ２を変化させた時の排気色及び相対的燃費率特
性を示す線図である。 １…ピストン、２…頂部、１０…燃焼室、１１
…上部燃焼室、１２…下部燃焼室、Ｄ０…ピスト
ン外径、Ｄ１…上部燃焼室内径、Ｄ２…下部燃焼
室内径、ｈ１…上部燃焼室深さ、ｈ２…下部燃焼
室深さ。 Fig. 1 is a plan view of a piston equipped with the combustion chamber of the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Figs. 3 and 4 are respectively of an engine equipped with the combustion chamber of the present invention. Diagrams showing a comparison of engine rotation-exhaust color characteristics and engine rotation-relative fuel efficiency characteristics with the same characteristics of a conventional engine, and FIGS. 5 to 7 are D 1 /D 2 and D 2 /D, respectively. 0 , h 1 /
FIG . 2 is a diagram showing exhaust color and relative fuel efficiency characteristics when changing h2. 1... Piston, 2... Top, 10... Combustion chamber, 11
...Upper combustion chamber, 12...Lower combustion chamber, D0 ...Piston outer diameter, D1 ...Upper combustion chamber diameter, D2 ...Lower combustion chamber diameter, h1 ...Upper combustion chamber depth, h2 ...Lower combustion chamber depth difference.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外径Ｄ０のピストン頂部に内径Ｄ１、深さｈ１
の円形凹部を設け、その下方にこの凹部に連続さ
せて内径Ｄ２、頂部からの深さｈ２のトロイダル
型燃焼室を設けるとともに、前記寸法値がＤ２／
Ｄ０＝０．４５〜０．５５、Ｄ１／Ｄ２＝０．８
５〜０．９７、ｈ１／ｈ２＝０．１５〜０．５の
関係を満たしていることを特徴とする燃焼室。 At the top of the piston with an outer diameter D 0 and an inner diameter D 1 and a depth h 1
 A circular recess is provided below the recess, and a toroidal combustion chamber having an inner diameter D 2 and a depth h 2 from the top is provided below the recess, and the dimensions are D 2 /
D 0 =0.45-0.55, D 1 /D 2 =0.8
5 to 0.97, and h 1 /h 2 = 0.15 to 0.5.
JP19769284U 1984-12-30 1984-12-30 Pending JPS61116125U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19769284U JPS61116125U (en) 1984-12-30 1984-12-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19769284U JPS61116125U (en) 1984-12-30 1984-12-30

Publications (1)

Publication Number Publication Date
JPS61116125U true JPS61116125U (en) 1986-07-22

Family

ID=30756120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19769284U Pending JPS61116125U (en) 1984-12-30 1984-12-30

Country Status (1)

Country Link
JP (1) JPS61116125U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63162925A (en) * 1986-12-12 1988-07-06 アー・ファウ・エル　ゲゼルシャフト　フィア　フェアブレヌングスクラフトマシーネン　ウント　メステヒニク　エム・ベー・ハー　プロフェッサー・ドクター・ドクター・ハー・ツェー・ハンス・リスト Pneumatic compression type valve control internal combustion engine
EP2232028A1 (en) * 2007-12-19 2010-09-29 Renault S.A.S. Dissymmetrical combustion chamber for thermal engine
JP2011506847A (en) * 2007-12-19 2011-03-03 ルノー・エス・アー・エス Combustion engine combustion chamber

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63162925A (en) * 1986-12-12 1988-07-06 アー・ファウ・エル　ゲゼルシャフト　フィア　フェアブレヌングスクラフトマシーネン　ウント　メステヒニク　エム・ベー・ハー　プロフェッサー・ドクター・ドクター・ハー・ツェー・ハンス・リスト Pneumatic compression type valve control internal combustion engine
EP2232028A1 (en) * 2007-12-19 2010-09-29 Renault S.A.S. Dissymmetrical combustion chamber for thermal engine
JP2011506848A (en) * 2007-12-19 2011-03-03 ルノー・エス・アー・エス Asymmetric combustion chamber of heat engine
JP2011506847A (en) * 2007-12-19 2011-03-03 ルノー・エス・アー・エス Combustion engine combustion chamber

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