JPS646328U - - Google Patents
Info
- Publication number
- JPS646328U JPS646328U JP10092087U JP10092087U JPS646328U JP S646328 U JPS646328 U JP S646328U JP 10092087 U JP10092087 U JP 10092087U JP 10092087 U JP10092087 U JP 10092087U JP S646328 U JPS646328 U JP S646328U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- communication
- cylinder
- intake
- 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 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第1図乃至第5図はこの考案の第1の実施例に
係わり、第1図は吸気装置の平面図、第2図は第
1図―断面を含む吸気装置の全体構成図、第
3図は機関回転数による体積効率のパターンを示
す説明図、第4図は各開閉弁の開閉状態と体積効
率のパターンとの関係を示す説明図、第5図は高
負荷と低負荷との各負荷状態において各回転数域
に最適な体積効率のパターンを示す説明図、第6
図は第2の実施例の吸気装置の全体構成図、第7
図は第6図の―断面図である。
3…吸気装置、9…容積部、11…第1の開閉
弁(制御弁)、13…第2の開閉弁(制御弁)。
Figures 1 to 5 relate to the first embodiment of this invention, with Figure 1 being a plan view of the intake system, Figure 2 being Figure 1 - an overall configuration diagram of the intake system including a cross section, and Figure 3 is an explanatory diagram showing the pattern of volumetric efficiency depending on engine speed, Fig. 4 is an explanatory diagram showing the relationship between the opening/closing state of each on-off valve and the pattern of volumetric efficiency, and Fig. 5 is an explanatory diagram showing the relationship between the opening/closing state of each on-off valve and the pattern of volumetric efficiency. Explanatory diagram showing the optimal volumetric efficiency pattern for each rotation speed range in the state, No. 6
The figure is an overall configuration diagram of the intake device of the second embodiment.
The figure is a cross-sectional view of FIG. 3... Intake device, 9... Volume part, 11... First on-off valve (control valve), 13... Second on-off valve (control valve).
Claims (1)
を所定の容積を有する容積部に吸気流方向の所定
部位に形成される少なくとも2個所の連通部にて
連通可能とし、この各連通部と前記容積部とを運
転条件に応じて連通遮断する制御弁を設けたこと
を特徴とする内燃機関の吸気装置。 An intake passage connecting each cylinder of a multi-cylinder internal combustion engine can communicate with a volume portion having a predetermined volume through at least two communication portions formed at predetermined locations in the intake air flow direction, and each of the communication portions and the above-mentioned An intake device for an internal combustion engine, characterized in that it is provided with a control valve that connects and cuts off communication with a volume portion according to operating conditions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10092087U JPS646328U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10092087U JPS646328U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS646328U true JPS646328U (en) | 1989-01-13 |
Family
ID=31329437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10092087U Pending JPS646328U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS646328U (en) |
-
1987
- 1987-07-02 JP JP10092087U patent/JPS646328U/ja active Pending