JPS6014234U - Combustion chamber of direct injection diesel engine - Google Patents
Combustion chamber of direct injection diesel engineInfo
- Publication number
- JPS6014234U JPS6014234U JP10751583U JP10751583U JPS6014234U JP S6014234 U JPS6014234 U JP S6014234U JP 10751583 U JP10751583 U JP 10751583U JP 10751583 U JP10751583 U JP 10751583U JP S6014234 U JPS6014234 U JP S6014234U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- diesel engine
- direct injection
- injection diesel
- recessed portion
- 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
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
第1図は従来の直噴式ディーゼル機関の燃焼室に於ける
ピストン構造を示す平面図、第2図は第1図のA−A線
断面図、第3図はこの考案のピストン構造の一実施例を
示す平面図、第4図は第3図のB−B線断面図、第5図
は他の実施例の平面図、第6図は第5図のC−C線断面
図である。
1・・・・・・ピストン、2・・・・・・キャビティ燃
焼室、3・・・・・・燃料噴射弁、4・・・・・・窪み
部、5,6・・・・・・リップ。Figure 1 is a plan view showing the piston structure in the combustion chamber of a conventional direct injection diesel engine, Figure 2 is a sectional view taken along line A-A in Figure 1, and Figure 3 is an implementation of the piston structure of this invention. FIG. 4 is a sectional view taken along line B--B in FIG. 3, FIG. 5 is a plan view of another embodiment, and FIG. 6 is a sectional view taken along line C--C in FIG. 5. 1... Piston, 2... Cavity combustion chamber, 3... Fuel injection valve, 4... Recessed portion, 5, 6... lip.
Claims (1)
、シリンダヘッドに設けて上記キャビテ・r燃焼室に臨
まぜた多噴孔の燃料噴射弁とを備えた直噴式ディーゼル
機関に於いて、上記キャビティ燃焼室に対し上記燃料噴
射弁が偏心して設けられ、噴霧長の短い噴霧については
、噴霧軸線が上記キャビティ燃焼室に到達する部分に、
その到達長を拡大する窪み部分を形成し、しかも該窪み
部の上方には、この窪み部を設けたことによるピストン
頂面のスキッシュ領域幅の減少を補償するためのリップ
を設けたことを特徴とする直噴式ディーゼル機関の燃焼
室。In a direct injection diesel engine equipped with a substantially cylindrical cavity combustion chamber bored at the top of the piston, and a multi-hole fuel injection valve provided in the cylinder head and facing the cavity/r combustion chamber, The fuel injection valve is provided eccentrically with respect to the cavity combustion chamber, and for spray with a short spray length, a part where the spray axis reaches the cavity combustion chamber,
A recessed portion is formed to enlarge the reaching length, and a lip is provided above the recessed portion to compensate for the reduction in squish area width on the top surface of the piston due to the provision of the recessed portion. Combustion chamber of a direct injection diesel engine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10751583U JPS6014234U (en) | 1983-07-11 | 1983-07-11 | Combustion chamber of direct injection diesel engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10751583U JPS6014234U (en) | 1983-07-11 | 1983-07-11 | Combustion chamber of direct injection diesel engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6014234U true JPS6014234U (en) | 1985-01-30 |
Family
ID=30251191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10751583U Pending JPS6014234U (en) | 1983-07-11 | 1983-07-11 | Combustion chamber of direct injection diesel engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6014234U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55571A (en) * | 1979-04-09 | 1980-01-05 | Ricoh Co Ltd | Mounting device of imaging element using focusing type photoconductive flux |
-
1983
- 1983-07-11 JP JP10751583U patent/JPS6014234U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55571A (en) * | 1979-04-09 | 1980-01-05 | Ricoh Co Ltd | Mounting device of imaging element using focusing type photoconductive flux |
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