JPS59135368U - Evaporated fuel separation device for internal combustion engines - Google Patents
Evaporated fuel separation device for internal combustion enginesInfo
- Publication number
- JPS59135368U JPS59135368U JP2813583U JP2813583U JPS59135368U JP S59135368 U JPS59135368 U JP S59135368U JP 2813583 U JP2813583 U JP 2813583U JP 2813583 U JP2813583 U JP 2813583U JP S59135368 U JPS59135368 U JP S59135368U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- valve
- internal combustion
- exhaust gas
- evaporated fuel
- 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
Landscapes
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案実施例の概略構成図である。
1・・・機関、2・・・排気管、3・・・吸気管、4・
・・EGR通路、5・・・EGR弁、14・・・負圧調
整弁、15.28・・・負圧通路、30・・・気化器、
31・・・絞り弁、32.33・・・負圧取出しポート
、40・・・チャコ−′ルキャニスタ、46・・・離脱
空間、47゜48・・・通路、50・・・制御弁。The figure is a schematic diagram of an embodiment of the present invention. 1... Engine, 2... Exhaust pipe, 3... Intake pipe, 4...
... EGR passage, 5... EGR valve, 14... Negative pressure regulating valve, 15.28... Negative pressure passage, 30... Carburizer,
31... Throttle valve, 32. 33... Negative pressure outlet port, 40... Charcoal canister, 46... Separation space, 47° 48... Passage, 50... Control valve.
Claims (1)
通路に設けられる排気ガス再循環弁と、気化器絞り弁の
所定の開度以下においては絞り弁の上流側にありこの開
度以上では絞り弁の下流側にある負圧取出しポートを介
して負圧を導入されて機関の吸入空気量に比例した圧力
により排気ガス再循環弁を開閉操作する負圧調整弁と、
蒸発燃料を吸着するチャコールキャニスタとを備えてい
るものにおいて、チャコールキャニスタの燃料離脱空間
が、機関の運転状態に関係して開閉する制御弁をもつ第
1の通路を介して機関の吸気系へ接続され、また負圧調
整弁にあって前記の負圧取出しポートへ連通ずる空間へ
第2の通路を介して接続されていることを特徴とする、
内燃機関の蒸発燃料離脱装置。An exhaust gas recirculation valve is installed in the passage that recirculates exhaust gas from the exhaust system to the intake system of an internal combustion engine, and the exhaust gas recirculation valve is located upstream of the throttle valve when the opening is below a predetermined opening of the carburetor throttle valve. a negative pressure regulating valve that opens and closes an exhaust gas recirculation valve by introducing negative pressure through a negative pressure outlet port on the downstream side of the throttle valve and using a pressure proportional to the intake air amount of the engine;
and a charcoal canister that adsorbs evaporated fuel, in which the fuel separation space of the charcoal canister is connected to the intake system of the engine via a first passage having a control valve that opens and closes depending on the operating state of the engine. and is connected via a second passage to a space in the negative pressure regulating valve that communicates with the negative pressure outlet port,
Evaporated fuel separation device for internal combustion engines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2813583U JPS59135368U (en) | 1983-03-01 | 1983-03-01 | Evaporated fuel separation device for internal combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2813583U JPS59135368U (en) | 1983-03-01 | 1983-03-01 | Evaporated fuel separation device for internal combustion engines |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59135368U true JPS59135368U (en) | 1984-09-10 |
JPH029089Y2 JPH029089Y2 (en) | 1990-03-06 |
Family
ID=30159011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2813583U Granted JPS59135368U (en) | 1983-03-01 | 1983-03-01 | Evaporated fuel separation device for internal combustion engines |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59135368U (en) |
-
1983
- 1983-03-01 JP JP2813583U patent/JPS59135368U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH029089Y2 (en) | 1990-03-06 |
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