JPH0166431U - - Google Patents
Info
- Publication number
- JPH0166431U JPH0166431U JP1987162210U JP16221087U JPH0166431U JP H0166431 U JPH0166431 U JP H0166431U JP 1987162210 U JP1987162210 U JP 1987162210U JP 16221087 U JP16221087 U JP 16221087U JP H0166431 U JPH0166431 U JP H0166431U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- cylinder
- closed
- intake passage
- passages
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図はこの考案の第１実施例を示す概略図、
第２図はその―断面図、第３図はこの考案に
おける体積効率の特性図、第４図はこの考案の第
２実施例を示す概略図、第５図はその―断面
図、第６図はこの考案の第３実施例を示す概略図
、第７図はその―断面図、第８図は従来の吸
気装置を示す概略図、第９図はその従来装置にお
ける体積効率の特性図である。
２…燃焼室、３…吸気孔、４…吸気弁、６…吸
気マニホルド、７…第２容積部、８…分岐通路部
、９…第２容積室、１０…シリンダヘツド、１１
，４５…第１吸気通路、１２，４６…第２吸気通
路、１４…アクチユエータ、１５，４９ａ，４９
ｂ…開閉弁、１７…導入路、１８…第１容積部、
１９…第１容積室、２１…回転センサ、２２…負
荷センサ、２３…制御装置、３１…主第２容積室
、３２…副第２容積室。
FIG. 1 is a schematic diagram showing the first embodiment of this invention;
Fig. 2 is a sectional view of the same, Fig. 3 is a characteristic diagram of volumetric efficiency in this invention, Fig. 4 is a schematic diagram showing the second embodiment of this invention, Fig. 5 is a sectional view thereof, and Fig. 6 is a schematic diagram showing the third embodiment of this invention, FIG. 7 is a sectional view thereof, FIG. 8 is a schematic diagram showing a conventional intake device, and FIG. 9 is a characteristic diagram of volumetric efficiency in the conventional device. . 2... Combustion chamber, 3... Intake hole, 4... Intake valve, 6... Intake manifold, 7... Second volume part, 8... Branch passage part, 9... Second volume chamber, 10... Cylinder head, 11
, 45...first intake passage, 12, 46...second intake passage, 14...actuator, 15, 49a, 49
b...Opening/closing valve, 17...Introduction path, 18...First volume part,
19...First volume chamber, 21...Rotation sensor, 22...Load sensor, 23...Control device, 31...Main second volume chamber, 32...Sub second volume chamber.
Claims (1)
の吸気分岐通路を夫々並列に２つ設け、この２つ
の吸気通路を選択的に閉塞する切換弁を設け、こ
の切換弁を機関低速運転時に一方の吸気通路を閉
塞し機関高速運転時に他方の吸気通路を閉塞する
ように制御する制御装置を設けてなる内燃機関の
吸気装置。 Two intake branch passages for each cylinder are provided in parallel to communicate between the combustion chamber and the collector of each cylinder, and a switching valve is provided to selectively close these two intake passages. An intake system for an internal combustion engine, comprising a control device that controls one intake passage to be closed and the other intake passage to be closed when the engine is operating at high speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162210U JPH0166431U (en) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162210U JPH0166431U (en) | 1987-10-23 | 1987-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166431U true JPH0166431U (en) | 1989-04-27 |
Family
ID=31445831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162210U Pending JPH0166431U (en) | 1987-10-23 | 1987-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020026565A1 (en) * | 2018-08-02 | 2020-02-06 | ヤマハ発動機株式会社 | Internal combustion engine |
-
1987
- 1987-10-23 JP JP1987162210U patent/JPH0166431U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020026565A1 (en) * | 2018-08-02 | 2020-02-06 | ヤマハ発動機株式会社 | Internal combustion engine |