JPS61186736U - - Google Patents
Info
- Publication number
- JPS61186736U JPS61186736U JP7068185U JP7068185U JPS61186736U JP S61186736 U JPS61186736 U JP S61186736U JP 7068185 U JP7068185 U JP 7068185U JP 7068185 U JP7068185 U JP 7068185U JP S61186736 U JPS61186736 U JP S61186736U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- valve
- intake valve
- combustion chamber
- passage
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は内燃機関の側面断面図、第２図は第１
図の平面断面図、第３図は内燃機関の全体図、第
４図は吸気弁の開弁期間と噴射完了時期を示す線
図、第５図は噴射開始クランク角および噴射完了
クランク角を求めるフローチヤート、第６図は燃
料噴射処理のためのフローチヤート、第７図は制
御時間と機関回転数の関係を示す線図、第８図は
ＲＯＭに記憶された増量係数を示す線図である。
４……シリンダヘツド、４ａ……シリンダヘツ
ド内壁面、４ｂ……凹溝、６……点火栓、７……
第１吸気弁、８……第２吸気弁、９……第３吸気
弁、１２……第１吸気通路、１３……第２吸気通
路、１４……第３吸気通路、１９……吸気制御弁
、２１……燃料噴射弁。
Figure 1 is a side cross-sectional view of the internal combustion engine, and Figure 2 is a cross-sectional side view of the internal combustion engine.
Fig. 3 is a general view of the internal combustion engine, Fig. 4 is a diagram showing the intake valve opening period and injection completion timing, and Fig. 5 is a diagram showing the injection start crank angle and injection completion crank angle. Flowchart, FIG. 6 is a flowchart for fuel injection processing, FIG. 7 is a diagram showing the relationship between control time and engine speed, and FIG. 8 is a diagram showing the increase coefficient stored in the ROM. . 4... Cylinder head, 4a... Cylinder head inner wall surface, 4b... Concave groove, 6... Spark plug, 7...
First intake valve, 8... Second intake valve, 9... Third intake valve, 12... First intake passage, 13... Second intake passage, 14... Third intake passage, 19... Intake control Valve, 21...Fuel injection valve.
Claims (1)
なる３個の吸気弁と、第１吸気通路、第２吸気通
路および第３吸気通路からなる３個の吸気通路と
を具備し、燃焼室内に旋回流を発生させるための
第１吸気通路が第１吸気弁を介して燃焼室内に連
結され、第２吸気弁を介して燃焼室内に連結され
た第２吸気通路内に機関高負荷運転時に開弁する
吸気制御弁を配置し、第３吸気弁を介して燃焼室
内に連結された第３吸気通路内に燃料噴射弁を配
置し、第１吸気弁および第２吸気弁が吸気行程の
上死点付近から圧縮工程始めまで開弁すると共に
第３吸気弁が吸気行程の中央付近から圧縮行程始
めまで開弁する燃料噴射式内燃機関において、シ
リンダヘツド内壁面上に凹溝を形成し、該凹溝内
にを第２吸気弁、第３吸気弁および点火栓を配置
した複数の吸気弁を具えた燃料噴射式内燃機関。 It is equipped with three intake valves consisting of a first intake valve, a second intake valve and a third intake valve, and three intake passages consisting of a first intake passage, a second intake passage and a third intake passage. A first intake passage for generating a swirling flow inside the room is connected to the combustion chamber through the first intake valve, and a second intake passage connected to the combustion chamber through the second intake valve is connected to the combustion chamber through the second intake valve. An intake control valve that opens during the intake stroke is disposed, and a fuel injection valve is disposed in a third intake passage connected to the combustion chamber via a third intake valve. In a fuel injection type internal combustion engine in which the valve is opened from near top dead center to the beginning of the compression stroke, and the third intake valve is opened from near the center of the intake stroke to the beginning of the compression stroke, a groove is formed on the inner wall surface of the cylinder head, A fuel injection type internal combustion engine comprising a plurality of intake valves in which a second intake valve, a third intake valve, and a spark plug are arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7068185U JPS61186736U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7068185U JPS61186736U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61186736U true JPS61186736U (en) | 1986-11-21 |
Family
ID=30607481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7068185U Pending JPS61186736U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186736U (en) |
-
1985
- 1985-05-15 JP JP7068185U patent/JPS61186736U/ja active Pending