JPS6360043U - - Google Patents
Info
- Publication number
- JPS6360043U JPS6360043U JP15381486U JP15381486U JPS6360043U JP S6360043 U JPS6360043 U JP S6360043U JP 15381486 U JP15381486 U JP 15381486U JP 15381486 U JP15381486 U JP 15381486U JP S6360043 U JPS6360043 U JP S6360043U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- negative pressure
- sectional area
- throttle valve
- movable flap
- 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 5
- 241000234435 Lilium Species 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の第１実施例を示す全体構成
図、第２図は同実施例に供される可動フラツプを
示す斜視図、第３図は可動フラツプの開領域を示
す特性図、第４図はこの実施例の加速時における
図示平均有効圧力などの特性図、第５図はこの実
施例による加振力をスペクトル解析した説明図、
第６図はこの実施例の制御回路のフローチヤート
図、第７図は第２実施例を示す全体構成図、第８
図は従来の混合気供給装置におけるスロツトルバ
ルブ開度と回転数に従つて混合気を制御する回路
構成図、第９図は従来装置における噴射特性値を
示す説明図である。
１１……スロツトルボデイ、１２……スロツト
ルバルブ、１３……吸気通路、１４……ベンチユ
リ、１６……アクチユエータ、１７……可動フラ
ツプ、２０……側壁、２１……開口部（可変手段
）、２７……負圧通路、２８……オリフイス、２
９……バイパス通路、３０……連通口、３１……
燃料噴射弁、３２……制御回路、３３……角度検
出センサ、３４……スロツトル開度センサ。
Fig. 1 is an overall configuration diagram showing a first embodiment of this invention, Fig. 2 is a perspective view showing a movable flap used in the same embodiment, Fig. 3 is a characteristic diagram showing the open area of the movable flap, and Fig. 3 is a characteristic diagram showing the open area of the movable flap. Fig. 4 is a characteristic diagram of the indicated mean effective pressure during acceleration of this embodiment, and Fig. 5 is an explanatory diagram of spectrum analysis of the excitation force according to this embodiment.
FIG. 6 is a flowchart of the control circuit of this embodiment, FIG. 7 is an overall configuration diagram showing the second embodiment, and FIG.
The figure is a circuit configuration diagram for controlling the air-fuel mixture according to the throttle valve opening degree and rotation speed in a conventional air-fuel mixture supply device, and FIG. 9 is an explanatory diagram showing injection characteristic values in the conventional air-fuel mixture supply device. 11... Throttle body, 12... Throttle valve, 13... Intake passage, 14... Bench lily, 16... Actuator, 17... Movable flap, 20... Side wall, 21... Opening (variable means), 27 ... Negative pressure passage, 28 ... Orifice, 2
9...Bypass passage, 30...Communication port, 31...
Fuel injection valve, 32...control circuit, 33...angle detection sensor, 34...throttle opening sensor.
Claims (1)
に形成されたベンチユリと、該ベンチユリに対向
配置され、かつ該ベンチユリと共働して上記吸気
通路の断面積を変化させる可動フラツプと、上記
ベンチユリの負圧を負圧通路を介して導入し上記
可動フラツプを作動させるアクチユエータと、上
記負圧通路の途中に介装されたオリフイスと、上
記スロツトルバルブをバイパスするバイパス通路
の通路断面積を上記可動フラツプの作動に伴つて
変化させる可変手段とを備え、更に、上記スロツ
トルバルブの開度を検出するスロツトル開度セン
サと可動フラツプの作動角度を検出する角度検出
センサとの夫々の出力信号に基づいて上記吸気通
路の通路断面積相当の値を算出し、かつこの相当
値と機関回転数との相対関係で求められる特性値
に基づいて燃料噴射弁の噴射時間を決定する制御
回路とを備えたことを特徴とする内燃機関の混合
気供給装置。 a bench lily formed on one side of the inner wall surface of the intake passage upstream of the throttle valve; a movable flap disposed opposite to the bench lily and cooperating with the bench lily to change the cross-sectional area of the intake passage; an actuator that introduces negative pressure through the negative pressure passage to operate the movable flap; an orifice interposed in the middle of the negative pressure passage; and a movable passage cross-sectional area of the bypass passage that bypasses the throttle valve. and a variable means for changing the opening degree in accordance with the operation of the flap, and further based on the output signals of the throttle opening sensor that detects the opening degree of the throttle valve and the angle detection sensor that detects the operating angle of the movable flap. and a control circuit that calculates a value equivalent to the passage cross-sectional area of the intake passage, and determines the injection time of the fuel injection valve based on a characteristic value determined from the relative relationship between this equivalent value and the engine rotation speed. A mixture supply device for an internal combustion engine, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15381486U JPS6360043U (en) | 1986-10-07 | 1986-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15381486U JPS6360043U (en) | 1986-10-07 | 1986-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6360043U true JPS6360043U (en) | 1988-04-21 |
Family
ID=31073035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15381486U Pending JPS6360043U (en) | 1986-10-07 | 1986-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6360043U (en) |
-
1986
- 1986-10-07 JP JP15381486U patent/JPS6360043U/ja active Pending