JPS63113744U - - Google Patents
Info
- Publication number
- JPS63113744U JPS63113744U JP556287U JP556287U JPS63113744U JP S63113744 U JPS63113744 U JP S63113744U JP 556287 U JP556287 U JP 556287U JP 556287 U JP556287 U JP 556287U JP S63113744 U JPS63113744 U JP S63113744U
- Authority
- JP
- Japan
- Prior art keywords
- intake passage
- air
- deceleration
- control valve
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims 4
- 239000000446 fuel Substances 0.000 claims 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 241000702421 Dependoparvovirus Species 0.000 description 2
- 241000972680 Adeno-associated virus - 6 Species 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の概念を説明するための機能ブ
ロツク図、第２図は本考案に係る実施例の全体構
成図、第３図は、実施例における吸気通路、制御
弁部分の拡大図、第４図は制御弁の動作特性図、
第５図は、ＡＡＶ６の構造を示す模式図、第６図
は、「減速空気」の供給量特性を示す図、第７図
、第８図は実施例の制御に係るプログラムのフロ
ーチヤートである。
図中、２……キヤブレター、４……ＳＣＶソレ
ノイド、６……ＡＡＶ、８……吸気通路、１０…
…ＳＣＶアクチユエータ、１１……エンジン、１
２……主吸気通路、１３……副吸気通路、１４…
…制御弁、１５……開度センサ、２０，２１……
気室、２２……抜き穴、２３……逆止め弁、２４
……スプリング、２５……弁、２６，２７……空
気通路、２８……ＡＡＶソレノイド、２９……弁
、３１……ダイアフラムである。
FIG. 1 is a functional block diagram for explaining the concept of the present invention, FIG. 2 is an overall configuration diagram of an embodiment of the present invention, and FIG. 3 is an enlarged view of the intake passage and control valve portion in the embodiment. Figure 4 is a diagram of the operating characteristics of the control valve.
Fig. 5 is a schematic diagram showing the structure of AAV6, Fig. 6 is a diagram showing the supply amount characteristics of "deceleration air", and Figs. 7 and 8 are flowcharts of the program related to control of the embodiment. . In the figure, 2...carburetor, 4...SCV solenoid, 6...AAV, 8...intake passage, 10...
...SCV actuator, 11...Engine, 1
2...Main intake passage, 13...Sub-intake passage, 14...
...Control valve, 15...Opening sensor, 20, 21...
Air chamber, 22...Extraction hole, 23...Check valve, 24
... spring, 25 ... valve, 26, 27 ... air passage, 28 ... AAV solenoid, 29 ... valve, 31 ... diaphragm.
Claims (1)
吸気通路とに分離して形成し、前記副吸気通路を
低負荷時に閉じる制御弁を介設してなるエンジン
において、 前記主吸気通路と副吸気通路の上流に設けられ
吸気通路に燃料を供給する燃料供給手段と、 エンジンの減速状態を検知する減速検知手段と
、 前記制御弁の開閉状態を検知する開閉状態検知
手段と、 前記減速検知手段が減速を検知すると、前記吸
気通路中に空気を供給する供給手段と、 前記開閉状態検知手段が前記制御弁の開状態か
らの減速を検知すると、前記吸気通路中に供給さ
れる空気を前記制御弁の閉状態からの減速よりも
多くなるように補正する供給量補正手段とを有す
るエンジンの空燃比制御装置。[Claims for Utility Model Registration] An engine in which an intake passage downstream of a throttle valve is formed separately into a main intake passage and an auxiliary intake passage, and a control valve is interposed to close the auxiliary intake passage at low loads, A fuel supply means provided upstream of the main intake passage and the auxiliary intake passage for supplying fuel to the intake passage; a deceleration detection means for detecting the deceleration state of the engine; and an open/close state detection means for detecting the open/close state of the control valve. and supply means for supplying air into the intake passage when the deceleration detection means detects deceleration; and supply means for supplying air into the intake passage when the opening/closing state detection means detects deceleration from the open state of the control valve. an air-fuel ratio control device for an engine, the air-fuel ratio control device comprising: supply amount correction means for correcting the amount of air supplied so that the amount of air supplied is greater than the amount of air decelerated from the closed state of the control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP556287U JPH0417793Y2 (en) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP556287U JPH0417793Y2 (en) | 1987-01-20 | 1987-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63113744U true JPS63113744U (en) | 1988-07-22 |
| JPH0417793Y2 JPH0417793Y2 (en) | 1992-04-21 |
Family
ID=30787261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP556287U Expired JPH0417793Y2 (en) | 1987-01-20 | 1987-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417793Y2 (en) |
-
1987
- 1987-01-20 JP JP556287U patent/JPH0417793Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0417793Y2 (en) | 1992-04-21 |