JP2009215922A5 - - Google Patents
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- Publication number
- JP2009215922A5 JP2009215922A5 JP2008058517A JP2008058517A JP2009215922A5 JP 2009215922 A5 JP2009215922 A5 JP 2009215922A5 JP 2008058517 A JP2008058517 A JP 2008058517A JP 2008058517 A JP2008058517 A JP 2008058517A JP 2009215922 A5 JP2009215922 A5 JP 2009215922A5
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- bottom wall
- wall
- head
- 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
- 238000002347 injection Methods 0.000 claims 10
- 239000007924 injection Substances 0.000 claims 10
- 239000000446 fuel Substances 0.000 claims 8
- 238000002485 combustion reaction Methods 0.000 claims 5
- 238000003780 insertion Methods 0.000 claims 5
- 230000002093 peripheral Effects 0.000 claims 3
- 230000003014 reinforcing Effects 0.000 claims 2
- 210000000614 Ribs Anatomy 0.000 claims 1
- 239000000498 cooling water Substances 0.000 claims 1
- 230000000149 penetrating Effects 0.000 claims 1
Claims (2)
燃料噴射弁を嵌挿する燃料噴射弁嵌挿ボス部が、燃焼室の略中央から上方に嵌挿孔を貫通させて形成され、
クランク軸と平行なカム軸と直交するカム軸受壁が、前記燃料噴射弁嵌挿ボス部と前記ヘッド周壁とを連結して形成され、
前記カム軸受壁と前記カム室底壁との間を連結する補強リブが、前記燃料噴射弁嵌挿ボス部と同一クランク軸方向位置に前記ヘッド周壁から突出して形成され、
前記カム室底壁と前記ヘッド底壁との間を連結する連結壁が、前記燃料噴射弁嵌挿ボス部と同一クランク軸方向位置に形成され、
排気ポート集合部に整流壁が前記燃料噴射弁嵌挿ボス部と同一クランク軸方向位置に前記連結壁に連続して形成されることを特徴とする直噴内燃機関のシリンダヘッド構造。 A plurality of cylinders are arranged in series, and the interior of the head peripheral wall surrounding the head bottom wall of the direct injection internal combustion engine that injects fuel directly into the combustion chamber at the top of each cylinder is partitioned by the cam chamber bottom wall, and the upper valve In a cylinder head structure in which a cam chamber is formed, an intake port and an exhaust port are formed between the bottom wall of the cam chamber and the bottom wall of the head, and a cooling water passage is formed.
A fuel injection valve insertion boss portion for inserting the fuel injection valve is formed by penetrating the insertion hole upward from substantially the center of the combustion chamber,
A cam bearing wall perpendicular to the camshaft parallel to the crankshaft is formed by connecting the fuel injection valve fitting boss portion and the head peripheral wall,
Reinforcing ribs that connect between the cam bearing wall and the cam chamber bottom wall are formed to protrude from the head peripheral wall at the same crankshaft direction position as the fuel injection valve insertion boss part,
A connecting wall that connects the cam chamber bottom wall and the head bottom wall is formed at the same crankshaft direction position as the fuel injection valve insertion boss portion ;
A cylinder head structure for a direct injection internal combustion engine, characterized in that a flow straightening wall is formed continuously at the same position in the crankshaft direction as the fuel injection valve fitting boss part at the exhaust port assembly part .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008058517A JP2009215922A (en) | 2008-03-07 | 2008-03-07 | Cylinder head structure of direct-injection internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008058517A JP2009215922A (en) | 2008-03-07 | 2008-03-07 | Cylinder head structure of direct-injection internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009215922A JP2009215922A (en) | 2009-09-24 |
| JP2009215922A5 true JP2009215922A5 (en) | 2010-08-26 |
Family
ID=41188034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008058517A Pending JP2009215922A (en) | 2008-03-07 | 2008-03-07 | Cylinder head structure of direct-injection internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2009215922A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8875494B2 (en) | 2009-09-29 | 2014-11-04 | Ford Global Technologies, Llc | Fuel control for spark ignited engine having a particulate filter system |
| CN102162406B (en) * | 2011-03-31 | 2012-07-25 | 重庆长安汽车股份有限公司 | Mounting structure of motor cylinder pressure sensor |
| JP5682498B2 (en) * | 2011-08-05 | 2015-03-11 | トヨタ自動車株式会社 | Direct injection internal combustion engine |
| CN102705094A (en) * | 2012-07-11 | 2012-10-03 | 无锡华源凯马发动机有限公司 | Improved aluminum alloy single-cylinder inclined air-cooled diesel engine body |
| CN112983638B (en) * | 2021-02-18 | 2022-04-01 | 第一拖拉机股份有限公司 | Non-road diesel engine body |
-
2008
- 2008-03-07 JP JP2008058517A patent/JP2009215922A/en active Pending
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