JPS63182231U - - Google Patents
Info
- Publication number
- JPS63182231U JPS63182231U JP7385787U JP7385787U JPS63182231U JP S63182231 U JPS63182231 U JP S63182231U JP 7385787 U JP7385787 U JP 7385787U JP 7385787 U JP7385787 U JP 7385787U JP S63182231 U JPS63182231 U JP S63182231U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- internal combustion
- combustion engine
- closes
- opens
- 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 7
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図はこの考案の一実施例を示す内燃機関要
部の断面図、第２図は低速負荷時における第１、
第２制御弁の状態を示す要部正面図、第３図およ
び第４図は、それぞれ低速高負荷時および中高速
高負荷時における第１、第２制御弁の状態を示す
要部正面図、第５図は第１制御弁の駆動機構を示
す一部切欠断面図、第６図は第２制御弁の駆動機
構を示す構成説明図、第７図は第２制御弁の制御
回路を示すブロツク図、第８図は第１、第２制御
弁の開閉特性を示す特性図、第９図は燃焼室内の
スワール生成状態を示す説明図、第１０図はこの
考案の異なる実施例を示す内燃機関要部の断面図
、第１１図は第１、第２制御弁の配置を変更した
実施例を示す第２図と同様の要部正面図、第１２
図は従来の吸気装置を示す構成説明図である。
１……吸気弁、３……点火栓、４……燃焼室、
９……吸気ポート、１１……吸気通路、１２……
第１制御弁、１３……第２制御弁、１６……切欠
部。
Fig. 1 is a cross-sectional view of the main parts of an internal combustion engine showing an embodiment of this invention, and Fig. 2 shows the first
3 and 4 are front views of the main parts showing the state of the second control valve, and FIGS. Fig. 5 is a partially cutaway sectional view showing the drive mechanism of the first control valve, Fig. 6 is a configuration explanatory diagram showing the drive mechanism of the second control valve, and Fig. 7 is a block diagram showing the control circuit of the second control valve. 8 is a characteristic diagram showing the opening/closing characteristics of the first and second control valves, FIG. 9 is an explanatory diagram showing the state of swirl generation in the combustion chamber, and FIG. 10 is an internal combustion engine showing a different embodiment of this invention. FIG. 11 is a cross-sectional view of the main parts, and FIG. 11 is a front view of the main parts similar to FIG.
The figure is a configuration explanatory diagram showing a conventional intake device. 1...Intake valve, 3...Ignition plug, 4...Combustion chamber,
9...Intake port, 11...Intake passage, 12...
First control valve, 13...second control valve, 16...notch.
Claims (1)
室の中心付近に点火栓が配設されてなる内燃機関
の吸気装置において、吸気通路の吸気弁上流位置
に、機関の負荷に基づき、低負荷時に閉、高負荷
時に開となる第１制御弁を配設するとともに、こ
の第１制御弁に隣接して、機関回転数に基づき、
低速時に閉、高速時に開となる第２制御弁を配設
し、かつ両者がともに閉状態にあるときに吸気通
路面積の一部のみが連通状態に残るように構成し
たことを特徴とする内燃機関の吸気装置。 In an intake system for an internal combustion engine that has multiple intake valves per cylinder and a spark plug located near the center of the combustion chamber, a low A first control valve is provided that closes when the load is applied and opens when the load is high.
An internal combustion engine characterized by having a second control valve that closes at low speeds and opens at high speeds, and is configured so that only a part of the area of the intake passage remains in communication when both are in the closed state. Engine intake system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7385787U JPS63182231U (en) | 1987-05-18 | 1987-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7385787U JPS63182231U (en) | 1987-05-18 | 1987-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63182231U true JPS63182231U (en) | 1988-11-24 |
Family
ID=30918556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7385787U Pending JPS63182231U (en) | 1987-05-18 | 1987-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182231U (en) |
-
1987
- 1987-05-18 JP JP7385787U patent/JPS63182231U/ja active Pending
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