JPS63160341U - - Google Patents
Info
- Publication number
- JPS63160341U JPS63160341U JP5295887U JP5295887U JPS63160341U JP S63160341 U JPS63160341 U JP S63160341U JP 5295887 U JP5295887 U JP 5295887U JP 5295887 U JP5295887 U JP 5295887U JP S63160341 U JPS63160341 U JP S63160341U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- throttle valve
- upstream
- intake pipes
- internal combustion
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案に係る内燃機関のスロツトル装
置の一実施例を示す断面図。第２図は、上流及び
気筒ごとスロツトルバルブのアクセルペダル、踏
込量に対するバルブ開度説明図。第３図は、上流
及び気筒ごとスロツトルバルブの制御領域説明図
。第４図は吸気系圧力分布比較図。第５図は、従
来の内燃機関のスロツトル装置の断面図。第６図
は、スロツトルバルブ有効開口面積説明図である
。
１……エンジン、２……エアクリーナ、３……
気筒ごと吸気管、４……気筒ごとスロツトルバル
ブ、１１……吸気管集合部、１３……ベルト、１
４，１６，１８……プーリ、１５……上流スロツ
トルバルブ。
FIG. 1 is a sectional view showing an embodiment of a throttle device for an internal combustion engine according to the present invention. FIG. 2 is an explanatory diagram of the valve opening relative to the accelerator pedal and depression amount of the throttle valve upstream and for each cylinder. FIG. 3 is an explanatory diagram of the control area of the throttle valve upstream and for each cylinder. Figure 4 is a comparison diagram of intake system pressure distribution. FIG. 5 is a sectional view of a conventional throttle device for an internal combustion engine. FIG. 6 is an explanatory diagram of the effective opening area of the throttle valve. 1...Engine, 2...Air cleaner, 3...
Intake pipe for each cylinder, 4... Throttle valve for each cylinder, 11... Intake pipe gathering section, 13... Belt, 1
4, 16, 18...Pulley, 15...Upstream throttle valve.
Claims (1)
内燃機関において、 前記独立した吸気管上流の吸気管集合部とエア
クリーナとの間に設けられた上流スロツトルバル
ブと、前記独立した吸気管ごとに設けられ、その
最小開度を前記上流スロツトルバルブの最小開度
より所定量大きく設定した気筒ごとスロツトルバ
ルブと、前記気筒ごとスロツトルバルブを前記上
流スロツトルバルブより遅れて開動作させる開動
作遅れ手段とにより構成されたことを特徴とする
内燃機関のスロツトル装置。[Scope of Claim for Utility Model Registration] In a multi-cylinder internal combustion engine having independent intake pipes for each cylinder, an upstream throttle valve provided between an intake pipe gathering section upstream of the independent intake pipes and an air cleaner; a cylinder-by-cylinder throttle valve that is provided for each of the independent intake pipes and whose minimum opening is set to be larger than the minimum opening of the upstream throttle valve by a predetermined amount; 1. A throttle device for an internal combustion engine, comprising an opening delay means for causing a delayed opening operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5295887U JPS63160341U (en) | 1987-04-08 | 1987-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5295887U JPS63160341U (en) | 1987-04-08 | 1987-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63160341U true JPS63160341U (en) | 1988-10-20 |
Family
ID=30878584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5295887U Pending JPS63160341U (en) | 1987-04-08 | 1987-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63160341U (en) |
-
1987
- 1987-04-08 JP JP5295887U patent/JPS63160341U/ja active Pending