JPS6024840U - Air fuel ratio control device - Google Patents

Air fuel ratio control device

Info

Publication number
JPS6024840U
JPS6024840U JP11645683U JP11645683U JPS6024840U JP S6024840 U JPS6024840 U JP S6024840U JP 11645683 U JP11645683 U JP 11645683U JP 11645683 U JP11645683 U JP 11645683U JP S6024840 U JPS6024840 U JP S6024840U
Authority
JP
Japan
Prior art keywords
fuel ratio
air
detecting
clutch
control device
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
Application number
JP11645683U
Other languages
Japanese (ja)
Other versions
JPH0447398Y2 (en
Inventor
貴光 江藤
Original Assignee
日産自動車株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP11645683U priority Critical patent/JPS6024840U/en
Publication of JPS6024840U publication Critical patent/JPS6024840U/en
Application granted granted Critical
Publication of JPH0447398Y2 publication Critical patent/JPH0447398Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は空燃比制御装置の従来例として示した電子制御
気化器システムの概要図、第2図は本考案の構成を示す
概要図、第3図は本考案の一実施例を示すシステム構成
図、第4図は半クラツチスイッチの一例を示す断面図、
第5図はコントロールユニットの構成例を示すブロック
図、第6図は判定回路の構成例を示す図、第7図a ”
 dは空燃比フィードバック制御回路の動作説明図、第
8図は本実施例の機能を一般化して示したフローチャー
トである。 4:燃料供給装置である電子制御気化器、8:0゜セン
サ、23:エンジン水温を検知する水温センサ、24:
半クラツチ状態を検知する半クラツチスイッチ、25:
変速ギヤのニュートラル状態を検知するニュートラルス
イッチ、26:車速を検知する車速センサ、35:空燃
比フィードバック制御回路、41:運転条件を判定する
判定回路、42:空燃比を切換える制御停止回路、10
1〜104:判定手段に対応するステップ、105.1
06:空燃比切換手段に対応するステップ。 −7ト〜zb   −II □ − 324 11 )        5 546 526 )        ) 748
Fig. 1 is a schematic diagram of an electronically controlled carburetor system as a conventional example of an air-fuel ratio control device, Fig. 2 is a schematic diagram showing the configuration of the present invention, and Fig. 3 is a system configuration showing an embodiment of the present invention. 4 is a sectional view showing an example of a half clutch switch,
Fig. 5 is a block diagram showing an example of the configuration of the control unit, Fig. 6 is a diagram showing an example of the configuration of the determination circuit, and Fig. 7a.
d is an explanatory diagram of the operation of the air-fuel ratio feedback control circuit, and FIG. 8 is a flowchart generalizing the functions of this embodiment. 4: Electronically controlled carburetor that is a fuel supply device, 8: 0° sensor, 23: Water temperature sensor that detects engine water temperature, 24:
A half-clutch switch for detecting a half-clutch state, 25:
Neutral switch that detects the neutral state of the transmission gear, 26: Vehicle speed sensor that detects vehicle speed, 35: Air-fuel ratio feedback control circuit, 41: Determination circuit that determines driving conditions, 42: Control stop circuit that switches air-fuel ratio, 10
1 to 104: Steps corresponding to determination means, 105.1
06: Step corresponding to the air-fuel ratio switching means. -7to~zb -II □ - 324 11) 5 546 526) ) 748

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 空燃比フィードバック制御手段を有する車両用エンジン
空燃比制御装置において、エンジン水温を検知する手段
−と、エンジン動力断続用クラッチの半クラツチ状態を
検知する手段と、変速ギヤのニュートラル状態を検知す
る手段と、車速を検知する手段と、上記各検知手段から
の信号によりエンジン水温が所定温度未満である冷機状
態での車両発進時のクラッチが半クラツチ状態となって
いる運転条件か否かを判定する手段と、上記運転条件に
該当すると判定された場合はそれ以外のアイドリング時
および走行時よりも空燃比を濃くするように空燃比フィ
ードバック制御手段から燃料供給装置への制御信号を変
化させる空燃比切換手段を備えたことを特徴とする空燃
比制御装置。
An engine air-fuel ratio control device for a vehicle having air-fuel ratio feedback control means includes means for detecting engine water temperature, means for detecting a half-clutch state of an engine power intermittent clutch, and means for detecting a neutral state of a transmission gear. , means for detecting vehicle speed, and means for determining based on signals from each of the above-mentioned detection means whether the driving condition is such that the clutch is in a half-clutch state when the vehicle is started in a cold state where the engine water temperature is less than a predetermined temperature. and air-fuel ratio switching means for changing the control signal from the air-fuel ratio feedback control means to the fuel supply device so as to make the air-fuel ratio richer than during other idling or driving when it is determined that the above operating conditions apply. An air-fuel ratio control device comprising:
JP11645683U 1983-07-28 1983-07-28 Air fuel ratio control device Granted JPS6024840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11645683U JPS6024840U (en) 1983-07-28 1983-07-28 Air fuel ratio control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11645683U JPS6024840U (en) 1983-07-28 1983-07-28 Air fuel ratio control device

Publications (2)

Publication Number Publication Date
JPS6024840U true JPS6024840U (en) 1985-02-20
JPH0447398Y2 JPH0447398Y2 (en) 1992-11-09

Family

ID=30268446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11645683U Granted JPS6024840U (en) 1983-07-28 1983-07-28 Air fuel ratio control device

Country Status (1)

Country Link
JP (1) JPS6024840U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006233851A (en) * 2005-02-24 2006-09-07 Nissan Motor Co Ltd Gear shift time controller for engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130729A (en) * 1975-05-12 1976-11-13 Nissan Motor Co Ltd Air-fuel ratio control system
JPS5770939A (en) * 1980-07-16 1982-05-01 Fuji Heavy Ind Ltd Air fuel ratio control unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130729A (en) * 1975-05-12 1976-11-13 Nissan Motor Co Ltd Air-fuel ratio control system
JPS5770939A (en) * 1980-07-16 1982-05-01 Fuji Heavy Ind Ltd Air fuel ratio control unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006233851A (en) * 2005-02-24 2006-09-07 Nissan Motor Co Ltd Gear shift time controller for engine

Also Published As

Publication number Publication date
JPH0447398Y2 (en) 1992-11-09

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