JPH01176727U - - Google Patents
Info
- Publication number
- JPH01176727U JPH01176727U JP7346088U JP7346088U JPH01176727U JP H01176727 U JPH01176727 U JP H01176727U JP 7346088 U JP7346088 U JP 7346088U JP 7346088 U JP7346088 U JP 7346088U JP H01176727 U JPH01176727 U JP H01176727U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary air
- deceleration
- air amount
- amount control
- engine
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示すシステム概略図、第
３図は同上実施例における補助空気量制御弁の開
度制御を示すフローチヤート、第４図は空燃比補
正の必要空気量と最大補助空気量との関係を示す
グラフ、第５図は従来の問題点を説明するための
タイムチヤートである。
１……機関、３……エアフローメータ、４……
スロツトル弁、５……スロツトルセンサ、８……
コントロールユニツト、１０……補助空気通路、
１１……補助空気量制御弁。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a system schematic diagram showing an embodiment of the present invention, Figure 3 is a flowchart showing the opening control of the auxiliary air amount control valve in the same embodiment, and Figure 4 is the required air amount for air-fuel ratio correction and the maximum auxiliary air amount. A graph showing the relationship with the amount of air, FIG. 5, is a time chart for explaining the conventional problems. 1... Engine, 3... Air flow meter, 4...
Throttle valve, 5... Throttle sensor, 8...
Control unit, 10...auxiliary air passage,
11...Auxiliary air amount control valve.
Claims (1)
スする補助空気通路に備えられた補助空気量制御
弁と、該補助空気量制御弁の開度を機関減速運転
状態に応じて制御して減速運転時の空燃比補正を
行う減速補助空気量制御手段と、を含んで構成さ
れる内燃機関の減速制御装置において、前記補助
空気量制御弁で得られる最大補助空気量よりも多
い補助空気量が必要であることが前記機関減速運
転状態を示す運転パラメータに基づき判定される
運転状態からの減速運転時に、前記減速補助空気
量制御手段による前記補助空気量制御弁の開度制
御を禁止する減速時開度制御禁止手段を設けたこ
とを特徴とする内燃機関の減速制御装置。 During deceleration operation, an auxiliary air amount control valve is provided in an auxiliary air passage that bypasses a throttle valve installed in the engine intake system, and the opening degree of the auxiliary air amount control valve is controlled according to the engine deceleration operation state. In the deceleration control device for an internal combustion engine, the deceleration control device includes a deceleration auxiliary air amount control means for correcting the air-fuel ratio, in which an auxiliary air amount larger than the maximum auxiliary air amount obtained by the auxiliary air amount control valve is required. an opening degree during deceleration that prohibits the opening degree control of the auxiliary air amount control valve by the deceleration auxiliary air amount control means during deceleration operation from an operating state in which it is determined based on an operating parameter indicating the engine deceleration operating state; A deceleration control device for an internal combustion engine, characterized in that a control inhibiting means is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7346088U JPH0734195Y2 (en) | 1988-06-03 | 1988-06-03 | Deceleration control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7346088U JPH0734195Y2 (en) | 1988-06-03 | 1988-06-03 | Deceleration control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01176727U true JPH01176727U (en) | 1989-12-18 |
| JPH0734195Y2 JPH0734195Y2 (en) | 1995-08-02 |
Family
ID=31298607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7346088U Expired - Lifetime JPH0734195Y2 (en) | 1988-06-03 | 1988-06-03 | Deceleration control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734195Y2 (en) |
-
1988
- 1988-06-03 JP JP7346088U patent/JPH0734195Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734195Y2 (en) | 1995-08-02 |