JPS63151960U - - Google Patents
Info
- Publication number
- JPS63151960U JPS63151960U JP4408787U JP4408787U JPS63151960U JP S63151960 U JPS63151960 U JP S63151960U JP 4408787 U JP4408787 U JP 4408787U JP 4408787 U JP4408787 U JP 4408787U JP S63151960 U JPS63151960 U JP S63151960U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- ratio control
- valve
- control valve
- 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 7
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案による減速時空燃比制御装置を
備えた内燃機関の一つの実施例を示す概略構成図
、第２図は一般的構造のＰＣＶの吸気管負圧に対
する開弁量特性とブローバイガス発生量特性とを
示すグラフである。
１０……機関本体、１２……シリンダボア、１
４……ピストン、１６……燃焼室、１８……コネ
クテイングロツド、２０……クランク室、２２…
…クランク軸、２４……吸気ポート、２６……吸
気弁、２８……動弁室、３０……ロツカアーム、
３２……カム、３４……動弁装置、３６……吸気
マニホールド、３８……スロツトル弁、４０……
気化器、４２……エアクリーナ、４４……ブロー
バイガス取出しポート、４６……ブローバイガス
排出導管、４８……ブローバイガス排出ポート、
５０……ＰＣＶ弁、５２……新気取入ポート、５
４……新気導入導管、６０……空燃比制御弁、６
２……弁ポート、６４……弁要素、６６……弁ロ
ツド、６８……ダイヤフラム装置、７０……ダイ
ヤフラム数、７２……第一のダイヤフラム室、７
４……第二のダイヤフラム室、７６……オリフイ
ス通路、７８……圧縮コイルばね、８０……空気
取入ポート、８２……フイルタ要素、８４……追
加空気供給ポート、８６……追加空気供給導管、
８８……負圧取入ポート、９０……負圧導管、９
２……吸気管負圧取出しポート。
Fig. 1 is a schematic configuration diagram showing one embodiment of an internal combustion engine equipped with an air-fuel ratio control device during deceleration according to the present invention, and Fig. 2 shows valve opening amount characteristics and blow-by gas with respect to intake pipe negative pressure of a PCV with a general structure. It is a graph showing generation amount characteristics. 10... Engine body, 12... Cylinder bore, 1
4...Piston, 16...Combustion chamber, 18...Connecting rod, 20...Crank chamber, 22...
...Crankshaft, 24...Intake port, 26...Intake valve, 28...Valve chamber, 30...Rotsuka arm,
32...Cam, 34...Valve train, 36...Intake manifold, 38...Throttle valve, 40...
carburetor, 42...air cleaner, 44...blowby gas extraction port, 46...blowby gas discharge conduit, 48...blowby gas discharge port,
50...PCV valve, 52...Fresh air intake port, 5
4... Fresh air introduction conduit, 60... Air-fuel ratio control valve, 6
2...Valve port, 64...Valve element, 66...Valve rod, 68...Diaphragm device, 70...Number of diaphragms, 72...First diaphragm chamber, 7
4... Second diaphragm chamber, 76... Orifice passage, 78... Compression coil spring, 80... Air intake port, 82... Filter element, 84... Additional air supply port, 86... Additional air supply conduit,
88... Negative pressure intake port, 90... Negative pressure conduit, 9
2...Intake pipe negative pressure extraction port.
Claims (1)
供給する空燃比制御弁を有し、前記空燃比制御弁
は追加空気供給ポートを、新気導入通路を有し且
ブローバイガス排出通路に吸気管負圧応動型のＰ
ＣＶ弁を有するブローバイガス還元装置の前記ブ
ローバイガス排出通路の前記ＰＣＶ弁より吸気通
路の側に連通接続され、追加空気を前記ブローバ
イガス排出通路を経て吸気通路へ供給するよう構
成されていることを特徴とする内燃機関の減速時
空燃比制御装置。 The air-fuel ratio control valve has an air-fuel ratio control valve that opens during deceleration to supply additional air to the intake passage, and the air-fuel ratio control valve has an additional air supply port, a fresh air introduction passage, and an air-fuel ratio control valve that opens during deceleration to supply additional air to the intake passage. Pipe negative pressure responsive type
The blowby gas exhaust passage of the blowby gas return device having a CV valve is connected to the side of the intake passage from the PCV valve, and is configured to supply additional air to the intake passage through the blowby gas discharge passage. Features: Air-fuel ratio control device during deceleration for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4408787U JPS63151960U (en) | 1987-03-25 | 1987-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4408787U JPS63151960U (en) | 1987-03-25 | 1987-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63151960U true JPS63151960U (en) | 1988-10-05 |
Family
ID=30861562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4408787U Pending JPS63151960U (en) | 1987-03-25 | 1987-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63151960U (en) |
-
1987
- 1987-03-25 JP JP4408787U patent/JPS63151960U/ja active Pending
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