JPS63198463U - - Google Patents
Info
- Publication number
- JPS63198463U JPS63198463U JP8895187U JP8895187U JPS63198463U JP S63198463 U JPS63198463 U JP S63198463U JP 8895187 U JP8895187 U JP 8895187U JP 8895187 U JP8895187 U JP 8895187U JP S63198463 U JPS63198463 U JP S63198463U
- Authority
- JP
- Japan
- Prior art keywords
- control valves
- fuel
- evaporative fuel
- purge
- internal combustion
- 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
- 239000000446 fuel Substances 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000002737 fuel gas Substances 0.000 claims 2
- 239000002828 fuel tank Substances 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の構成図、第２図は本考案の実
施例を示す構成図、第３図、第４図は制御内容を
示すフローチヤート、第５図は制御弁の開弁域を
示すグラフである。
２……吸気通路、３……主キヤニスタ、４……
補助キヤニスタ、７，８……制御弁、１３……制
御回路、１４……回転数センサ、１５……エアロ
ーセンサ、１６……燃料レベルセンサ。
Fig. 1 is a block diagram of the present invention, Fig. 2 is a block diagram showing an embodiment of the present invention, Figs. 3 and 4 are flowcharts showing control contents, and Fig. 5 shows the opening range of the control valve. This is a graph showing. 2...Intake passage, 3...Main canister, 4...
Auxiliary canister, 7, 8... Control valve, 13... Control circuit, 14... Rotation speed sensor, 15... Air flow sensor, 16... Fuel level sensor.
Claims (1)
スを回収する主キヤニスタと、燃料タンクへの給
油時に発生する燃料蒸発ガスを回収する補助キヤ
ニスタとを設け、これらの回収ガスをそれぞれ機
関の運転条件に応じて開弁する第１、第２の制御
弁を介して吸気通路に導入するようにした内燃機
関の蒸発燃料処理装置において、機関始動後に機
関が所定の高速高負荷域に入るまでは前記第１、
第２の制御弁の一方もしくは両方を閉弁状態に保
持するパージ規制手段と、機関始動後に所定の高
速高負荷域に入つたときに始めて第１、第２の制
御弁の一方もしくは両方を開弁させるパージ開始
手段とを設けたことを特徴とする内燃機関の蒸発
燃料処理装置。 A main canister that collects evaporative fuel gas generated from the fuel stored in the fuel tank and an auxiliary canister that collects evaporative fuel gas that is generated when refueling the fuel tank are installed. In an internal combustion engine evaporative fuel processing system in which evaporated fuel is introduced into an intake passage through first and second control valves that open when the engine starts, the first control valve ,
a purge regulating means that holds one or both of the second control valves in a closed state; and a purge regulating means that opens one or both of the first and second control valves only when the engine enters a predetermined high speed and high load range after starting. 1. An evaporative fuel processing device for an internal combustion engine, comprising: purge starting means for activating a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8895187U JPH0517409Y2 (en) | 1987-06-09 | 1987-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8895187U JPH0517409Y2 (en) | 1987-06-09 | 1987-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63198463U true JPS63198463U (en) | 1988-12-21 |
| JPH0517409Y2 JPH0517409Y2 (en) | 1993-05-11 |
Family
ID=30947501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8895187U Expired - Lifetime JPH0517409Y2 (en) | 1987-06-09 | 1987-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517409Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01125552A (en) * | 1987-11-09 | 1989-05-18 | Toyota Motor Corp | Fuel vapor exhaust preventing device |
-
1987
- 1987-06-09 JP JP8895187U patent/JPH0517409Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01125552A (en) * | 1987-11-09 | 1989-05-18 | Toyota Motor Corp | Fuel vapor exhaust preventing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517409Y2 (en) | 1993-05-11 |
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