JPS61187928U - - Google Patents
Info
- Publication number
- JPS61187928U JPS61187928U JP7141685U JP7141685U JPS61187928U JP S61187928 U JPS61187928 U JP S61187928U JP 7141685 U JP7141685 U JP 7141685U JP 7141685 U JP7141685 U JP 7141685U JP S61187928 U JPS61187928 U JP S61187928U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- engine
- control valve
- control
- valve
- 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 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
Ａは従来例を示す断面図、第２図Ｂは同上従来例
における吸気制御弁を示す平面図、第３図は本考
案が適応される負荷駆動装置としてのバキユーム
サーボブレーキの構成図、第４図は吸気制御弁の
開閉による吸入負圧上昇の差を示すグラフである
。
２……吸気弁、３……吸気ポート、４……吸気
制御弁、６……吸気マニホルド、１０……アクチ
ユエータ、１４……ロツド、１５……リンク、１
６……負圧通路、３０……３方向電磁弁、３１…
…コントロールユニツト、３２……回転速度セン
サ、３３……アイドルスイツチ。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2A is a cross-sectional view showing a conventional example, Fig. 2B is a plan view showing an intake control valve in the conventional example, and Fig. 3 is a diagram showing an embodiment of the present invention. FIG. 4, which is a block diagram of a vacuum servo brake as an applicable load drive device, is a graph showing the difference in intake negative pressure increase due to opening and closing of the intake control valve. 2... Intake valve, 3... Intake port, 4... Intake control valve, 6... Intake manifold, 10... Actuator, 14... Rod, 15... Link, 1
6... Negative pressure passage, 30... 3-way solenoid valve, 31...
...Control unit, 32...Rotational speed sensor, 33...Idle switch.
Claims (1)
れかつ機関の低負荷域で閉じ高負荷域で開くよう
に制御されて吸気の流れ方向及び流路面積を制御
する吸気制御弁と、該吸気制御弁の制御手段と、
前記吸気制御弁と前記吸気絞り弁との間の吸気通
路に開設される負圧駆動装置制御用の制御負圧取
出口と、を備えた内燃機関の吸気装置において、
機関の減速運転を検出する機関減速検出手段と、
該機関減速検出手段によつて検出された所定の機
関減速運転域において前記制御手段に作用し前記
吸気制御弁を機関の負荷とは独立して開弁状態に
保持する吸気制御弁開弁手段と、を設けたことを
特徴とする内燃機関の吸気装置。 an intake control valve that is interposed in an intake passage between an intake valve and an intake throttle valve and is controlled to close in a low load region of the engine and open in a high load region to control the flow direction and flow path area of the intake air; Control means for the intake control valve;
An intake system for an internal combustion engine, comprising: a control negative pressure outlet for controlling a negative pressure drive device, which is opened in an intake passage between the intake control valve and the intake throttle valve;
engine deceleration detection means for detecting deceleration operation of the engine;
intake control valve opening means that acts on the control means in a predetermined engine deceleration operating range detected by the engine deceleration detection means to maintain the intake control valve in an open state independently of the engine load; An intake device for an internal combustion engine, characterized in that it is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7141685U JPS61187928U (en) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7141685U JPS61187928U (en) | 1985-05-16 | 1985-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187928U true JPS61187928U (en) | 1986-11-22 |
Family
ID=30608889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7141685U Pending JPS61187928U (en) | 1985-05-16 | 1985-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162931U (en) * | 1987-04-15 | 1988-10-25 |
-
1985
- 1985-05-16 JP JP7141685U patent/JPS61187928U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162931U (en) * | 1987-04-15 | 1988-10-25 |