JPH01131856U - - Google Patents
Info
- Publication number
- JPH01131856U JPH01131856U JP2817688U JP2817688U JPH01131856U JP H01131856 U JPH01131856 U JP H01131856U JP 2817688 U JP2817688 U JP 2817688U JP 2817688 U JP2817688 U JP 2817688U JP H01131856 U JPH01131856 U JP H01131856U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- passage
- opening
- valve
- exhaust gas
- 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
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案による複吸気弁エンジンを示す
断面図、第２図は第１図の吸気制御弁を示す斜視
図、第３図は第２実施例の吸気制御弁を示す斜視
図、第４Ａ図は第３図の吸気制御弁を配置した第
２実施例の複吸気弁エンジンを示す断面図、第４
Ｂ図は吸気制御弁が開いたところを示す第４Ａ図
と同様の図、第５図は第３実施例を示し吸気制御
弁が閉じたときの第６図の線―に沿つた断面
図、第６図は第５図の断面図、第７図は第５図の
吸気制御弁を示す斜視図、第８図は第４実施例を
示し第９図の線―に沿つた断面図、第９図は
第８図の断面図、第１０図は第８図の吸気制御弁
を示す斜視図、第１１Ａ図から第１１Ｃ図は吸気
制御弁が３位置にあるところを示す第５実施例の
断面図である。
１４・１６……第１及び第２の吸気ポート、１
６ａ……第２の吸気ポートの窪み部、２２・２４
……吸気弁、３２・３８……隔壁、３６……再循
環排気ガス通路、４０・４２……第３及び第４の
吸気ポート、４６……吸気制御弁、５０……開口
部。
FIG. 1 is a sectional view showing a dual intake valve engine according to the present invention, FIG. 2 is a perspective view showing the intake control valve of FIG. 1, FIG. 3 is a perspective view showing the intake control valve of the second embodiment, and FIG. Figure 4A is a sectional view showing a dual intake valve engine of the second embodiment in which the intake control valve of Figure 3 is arranged;
Figure B is a view similar to Figure 4A showing the intake control valve open, Figure 5 is a sectional view taken along the line - in Figure 6 when the intake control valve is closed, showing the third embodiment; 6 is a sectional view of FIG. 5, FIG. 7 is a perspective view showing the intake control valve of FIG. 5, FIG. 8 is a sectional view taken along the line - of FIG. 9, and FIG. 9 is a sectional view of FIG. 8, FIG. 10 is a perspective view showing the intake control valve of FIG. 8, and FIGS. 11A to 11C are views of the fifth embodiment showing the intake control valve in the third position. FIG. 14/16...first and second intake ports, 1
6a... Recessed part of second intake port, 22, 24
... Intake valve, 32, 38 ... Partition wall, 36 ... Recirculation exhaust gas passage, 40, 42 ... Third and fourth intake ports, 46 ... Intake control valve, 50 ... Opening.
Claims (1)
吸気弁及び第２の吸気弁を有する第１の吸気通路
及び第２の吸気通路を設け、該第２の吸気通路を
エンジンの運転状態に応じて開閉することのでき
る吸気制御弁を配置するとともに、該第２の吸気
通路の該吸気制御弁と該第２の吸気弁との間に再
循環排気ガス通路の開口部を設け、該吸気制御弁
が、該第２の吸気通路を開くときに該再循環排気
ガス通路の開口部を閉じ、且つ該第２の吸気通路
を閉じるときに該再循環排気ガス通路の開口部を
開くことができるように形成されていることを特
徴とする複吸気弁エンジン。 A first intake passage and a second intake passage are provided which communicate with the combustion chamber of the engine and have a first intake valve and a second intake valve, respectively, and the second intake passage is controlled according to the operating state of the engine. an intake control valve that can be opened and closed, and an opening for a recirculating exhaust gas passage is provided between the intake control valve of the second intake passage and the second intake valve; is capable of closing the opening of the recirculating exhaust gas passage when opening the second intake passage, and opening the opening of the recirculating exhaust gas passage when closing the second intake passage. A dual intake valve engine characterized by being formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2817688U JPH01131856U (en) | 1988-03-04 | 1988-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2817688U JPH01131856U (en) | 1988-03-04 | 1988-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131856U true JPH01131856U (en) | 1989-09-07 |
Family
ID=31251320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2817688U Pending JPH01131856U (en) | 1988-03-04 | 1988-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015206321A (en) * | 2014-04-22 | 2015-11-19 | アイシン精機株式会社 | Intake system for internal combustion engine |
-
1988
- 1988-03-04 JP JP2817688U patent/JPH01131856U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015206321A (en) * | 2014-04-22 | 2015-11-19 | アイシン精機株式会社 | Intake system for internal combustion engine |
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