JPH02122139U - - Google Patents
Info
- Publication number
- JPH02122139U JPH02122139U JP2983789U JP2983789U JPH02122139U JP H02122139 U JPH02122139 U JP H02122139U JP 2983789 U JP2983789 U JP 2983789U JP 2983789 U JP2983789 U JP 2983789U JP H02122139 U JPH02122139 U JP H02122139U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- control signal
- internal combustion
- idle
- 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
- 239000000446 fuel Substances 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims 6
- 238000001514 detection method Methods 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の構成を示す図。第２図は実
施例の構成図。第３図、第４図は制御回路の作動
を説明するフローチヤート。第５図は制御回路の
空燃比制御作動を説明するタイミング図。
１０……エンジン本体、１２……吸気管、１４
……気化器、１６……スロツトル弁、１８……エ
アクリーナ、２０……排気管、２２……スタータ
、２４……空燃比制御弁（ＥＡＣＶ）、２６……
制御回路、２７……Ｏ２センサ、２８……水温セ
ンサ、２９……吸入空気温度センサ、３４……ア
イドルスイツチ、３５……アクチユエータ、３６
……ケース、３７，３８……ダイヤフラム、３９
，４０……スプリング、５０，５２……ダイヤフ
ラム室、６０……切替弁、６２……負圧ポート、
６６……切替弁。
FIG. 1 is a diagram showing the configuration of this invention. FIG. 2 is a configuration diagram of the embodiment. 3 and 4 are flowcharts explaining the operation of the control circuit. FIG. 5 is a timing diagram illustrating the air-fuel ratio control operation of the control circuit. 10...Engine body, 12...Intake pipe, 14
... Carburetor, 16 ... Throttle valve, 18 ... Air cleaner, 20 ... Exhaust pipe, 22 ... Starter, 24 ... Air-fuel ratio control valve (EACV), 26 ...
Control circuit, 27... O2 sensor, 28... Water temperature sensor, 29... Intake air temperature sensor, 34... Idle switch, 35... Actuator, 36
...Case, 37, 38...Diaphragm, 39
, 40...Spring, 50, 52...Diaphragm chamber, 60...Switching valve, 62...Negative pressure port,
66...Switching valve.
Claims (1)
度を通常のアイドル開度より大きくなるように制
御するアイドル開度制御手段と、内燃機関をアイ
ドル運転とする内燃機関の運転条件を検知するア
イドル運転条件検出手段と、内燃機関の負荷とな
る補助作動装置が作動する状態を検出する補助作
動装置作動状態検出手段と、補助作動装置が作動
するアイドル運転時においてアイドル開度制御手
段への制御信号を印加するアイドル開度制御信号
印加手段と、内燃機関内の混合気の空燃比を制御
する空燃比制御手段と、内燃機関内の混合気の空
燃比を検出する空燃比検出手段と、空燃比検出手
段が検出する空燃比と目標空燃比との比較によつ
て空燃比制御信号を形成する空燃比制御信号形成
手段と、アイドル開度制御信号印加手段よりアイ
ドル開度制御信号が発生する補助作動装置が作動
するアイドル運転状態において、空燃比制御手段
に空燃比制御信号を印加する空燃比制御信号印加
手段とを具備するアイドル時の機関作動制御装置
。 In an internal combustion engine, an idle opening control means for controlling the idle opening of a throttle valve to be larger than a normal idle opening, and an idle operating condition detection means for detecting an operating condition of the internal combustion engine that causes the internal combustion engine to operate at idle. and an auxiliary actuating device operating state detection means for detecting the operating state of the auxiliary actuating device that is a load on the internal combustion engine, and an idling device that applies a control signal to the idle opening control means during idle operation when the auxiliary actuating device is activated. An opening control signal applying means, an air-fuel ratio control means for controlling the air-fuel ratio of the air-fuel mixture in the internal combustion engine, an air-fuel ratio detection means for detecting the air-fuel ratio of the air-fuel mixture in the internal combustion engine, and an air-fuel ratio detection means for detecting the air-fuel ratio. An air-fuel ratio control signal forming means for forming an air-fuel ratio control signal by comparing the air-fuel ratio to be used and a target air-fuel ratio, and an auxiliary actuator for generating an idle opening control signal from an idle opening control signal applying means are operated. An engine operation control device during idling, comprising an air-fuel ratio control signal applying means for applying an air-fuel ratio control signal to the air-fuel ratio control means in an idling operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2983789U JPH02122139U (en) | 1989-03-17 | 1989-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2983789U JPH02122139U (en) | 1989-03-17 | 1989-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122139U true JPH02122139U (en) | 1990-10-05 |
Family
ID=31254397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2983789U Pending JPH02122139U (en) | 1989-03-17 | 1989-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122139U (en) |
-
1989
- 1989-03-17 JP JP2983789U patent/JPH02122139U/ja active Pending
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