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 |