JPH024968U - - Google Patents
Info
- Publication number
- JPH024968U JPH024968U JP1988082989U JP8298988U JPH024968U JP H024968 U JPH024968 U JP H024968U JP 1988082989 U JP1988082989 U JP 1988082989U JP 8298988 U JP8298988 U JP 8298988U JP H024968 U JPH024968 U JP H024968U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- flow path
- intake flow
- injector
- combustion chamber
- 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 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案を５弁エンジンに適用した一実
施例を表す概略構成断面図、第２図は第１図中の
Ａ―Ａ矢視断面図、第３図は別の一実施例を表す
概略構成断面図、第４図は第１図中のＢ―Ｂ矢視
断面図、第５図は従来の４弁エンジンの１例を表
す概略構成断面図、第６図は第５図中のＣ―Ｃ矢
視断面図、第７図は別構造の４弁エンジンのＣ―
Ｃ矢視断面図である。
図面中、１１はピストン、１２はシリンダ、１
３はシリンダヘツド、１４は燃焼室、１６は吸気
ポート、１８は吸気弁、２０は集合吸気管、２１
はサージタンク、２２は吸気制御弁、２３，２５
はインジエクタ、２４は単独吸気管である。
Fig. 1 is a schematic cross-sectional view of an embodiment in which the present invention is applied to a five-valve engine, Fig. 2 is a sectional view taken along the line A--A in Fig. 1, and Fig. 3 is a cross-sectional view of another embodiment. 4 is a sectional view taken along line B-B in FIG. 1, FIG. 5 is a schematic sectional view showing an example of a conventional 4-valve engine, and FIG. 6 is a sectional view in FIG. 5. Figure 7 is a cross-sectional view taken along the C-C arrow of the 4-valve engine with a different structure.
It is a sectional view taken along arrow C. In the drawing, 11 is a piston, 12 is a cylinder, 1
3 is a cylinder head, 14 is a combustion chamber, 16 is an intake port, 18 is an intake valve, 20 is a common intake pipe, 21
is the surge tank, 22 is the intake control valve, 23, 25
is an injector, and 24 is a single intake pipe.
Claims (1)
通する第１の吸気流路と、上記第１の吸気流路と
並列に上記燃焼室内に連通する第２の吸気流路と
、上起第１の吸気流路の分岐部より上流側の上記
第１の吸気流路内に設けられた第１のインジエク
タと、上記第２の吸気流路に設けられた第２のイ
ンジエクタと、上記第１のインジエクタより上流
側の上記第１の吸気流路内に設けられ上記第１の
吸気流路内を流れる吸気量を変え得る吸気制御弁
とを備えたことを特徴とする可変吸気機構。 a first intake flow path that branches into two in the middle and communicates with the combustion chamber of the engine; a second intake flow path that communicates with the combustion chamber in parallel with the first intake flow path; a first injector provided in the first intake flow path upstream from a branching portion of the first intake flow path; a second injector provided in the second intake flow path; and a second injector provided in the second intake flow path; A variable intake mechanism comprising: an intake control valve that is provided in the first intake passage upstream of the injector and can change the amount of intake air flowing in the first intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988082989U JPH024968U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988082989U JPH024968U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH024968U true JPH024968U (en) | 1990-01-12 |
Family
ID=31307723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988082989U Pending JPH024968U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH024968U (en) |
-
1988
- 1988-06-24 JP JP1988082989U patent/JPH024968U/ja active Pending