JPS62200141U - - Google Patents
Info
- Publication number
- JPS62200141U JPS62200141U JP8787986U JP8787986U JPS62200141U JP S62200141 U JPS62200141 U JP S62200141U JP 8787986 U JP8787986 U JP 8787986U JP 8787986 U JP8787986 U JP 8787986U JP S62200141 U JPS62200141 U JP S62200141U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- detection means
- control valve
- air flow
- water temperature
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案のクレーム対応図、第２図は本
考案を適用した内燃機関及びその周辺装置の実施
例をあらわす概略構成図、第３図はその制御回路
をあらわすブロツク図、第４図はエア流量制御弁
のデユーテイ比及び機関回転数の時間的推移をあ
らわすタイムチヤート、第５図及び第６図は本考
案のアイドル回転数制御の実施例を示すフローチ
ヤート、第７図はエア流量制御弁のデユーテイ比
と水温の関係をあらわすグラフ、第８図はエア流
量制御弁のデユーテイ比と吸気温の関係をあらわ
すグラフである。
１……機関本体、２……ピストン、３……シリ
ンダ、４……点火プラグ、１４……スロツトルバ
ルブ、１５……バイパス吸気通路、１６……アイ
ドルスピードコントロールバルブ（エア流量制御
弁）、１９……燃料噴射弁、２０……制御回路、
３０……中央処理ユニツト（ＣＰＵ）、３１……
リードオンリメモリ（ＲＯＭ）、３２……ランダ
ムアクセスメモリ（ＲＡＭ）、３３……バツクア
ツプランダムアクセスメモリ（バツクアツプＲＡ
Ｍ）。
Fig. 1 is a complaint correspondence diagram of the present invention, Fig. 2 is a schematic configuration diagram showing an embodiment of an internal combustion engine and its peripheral equipment to which the present invention is applied, Fig. 3 is a block diagram showing its control circuit, and Fig. 4 is a time chart showing the time transition of the duty ratio of the air flow control valve and the engine speed, FIGS. 5 and 6 are flow charts showing an example of the idle speed control of the present invention, and FIG. 7 is a flow chart showing the air flow rate. FIG. 8 is a graph showing the relationship between the duty ratio of the control valve and the water temperature. FIG. 8 is a graph showing the relationship between the duty ratio of the air flow rate control valve and the intake air temperature. 1... Engine body, 2... Piston, 3... Cylinder, 4... Spark plug, 14... Throttle valve, 15... Bypass intake passage, 16... Idle speed control valve (air flow control valve), 19...Fuel injection valve, 20...Control circuit,
30... central processing unit (CPU), 31...
Read only memory (ROM), 32...Random access memory (RAM), 33...Backup random access memory (backup RA)
M).
Claims (1)
通路に介装されるエア流量制御弁と、機関の水温
を検出する水温検出手段と、機関の吸気温を検出
する吸気温検出手段と、前記水温検出手段および
吸気温検出手段が検出した水温および吸気温に基
づいてエア流量制御弁の始動後デユーテイ比を所
定時間に設定する始動後デユーテイ比設定手段と
を備えたことを特徴とする内燃機関のアイドル回
転数制御装置。 An air flow control valve installed in a bypass intake passage that bypasses a throttle valve, a water temperature detection means for detecting the water temperature of the engine, an intake temperature detection means for detecting the intake temperature of the engine, the water temperature detection means and the intake air flow control valve. Idle rotation speed control for an internal combustion engine, comprising post-start duty ratio setting means for setting a post-start duty ratio of an air flow control valve to a predetermined time based on the water temperature and intake temperature detected by the air temperature detection means. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986087879U JPH0730923Y2 (en) | 1986-06-11 | 1986-06-11 | Idle speed control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986087879U JPH0730923Y2 (en) | 1986-06-11 | 1986-06-11 | Idle speed control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62200141U true JPS62200141U (en) | 1987-12-19 |
| JPH0730923Y2 JPH0730923Y2 (en) | 1995-07-19 |
Family
ID=30945493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986087879U Expired - Lifetime JPH0730923Y2 (en) | 1986-06-11 | 1986-06-11 | Idle speed control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730923Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002256932A (en) * | 2001-03-01 | 2002-09-11 | Fuji Heavy Ind Ltd | Control device for engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS611840A (en) * | 1984-06-12 | 1986-01-07 | Nippon Denso Co Ltd | Fuel supply control system for internal-combustion engine |
| JPS6149147A (en) * | 1984-08-17 | 1986-03-11 | Fuji Heavy Ind Ltd | Control method of idle speed |
| JPS61108842A (en) * | 1984-11-01 | 1986-05-27 | Toyota Motor Corp | Fuel injection amount control device of fuel injection type engine |
-
1986
- 1986-06-11 JP JP1986087879U patent/JPH0730923Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS611840A (en) * | 1984-06-12 | 1986-01-07 | Nippon Denso Co Ltd | Fuel supply control system for internal-combustion engine |
| JPS6149147A (en) * | 1984-08-17 | 1986-03-11 | Fuji Heavy Ind Ltd | Control method of idle speed |
| JPS61108842A (en) * | 1984-11-01 | 1986-05-27 | Toyota Motor Corp | Fuel injection amount control device of fuel injection type engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002256932A (en) * | 2001-03-01 | 2002-09-11 | Fuji Heavy Ind Ltd | Control device for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730923Y2 (en) | 1995-07-19 |
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