JPS6338658U - - Google Patents
Info
- Publication number
- JPS6338658U JPS6338658U JP13304086U JP13304086U JPS6338658U JP S6338658 U JPS6338658 U JP S6338658U JP 13304086 U JP13304086 U JP 13304086U JP 13304086 U JP13304086 U JP 13304086U JP S6338658 U JPS6338658 U JP S6338658U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- purge passage
- canister
- air amount
- intake air
- 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
- 238000010926 purge Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例におけるエンジンの蒸
発燃料処理装置の構成図、第２図は従来の同装置
の構成図である。
１……吸気通路、２……キヤニスタ、３……ス
ロツトルバルブ、４……負圧取出口、５……蒸発
燃料供給口、１１……第１パージ通路、１２……
第２パージ通路、１３……第１バルブ、１３ａ…
…バルブ本体、１６……第２バルブ、１６ｃ……
ダイヤフラム。
FIG. 1 is a block diagram of an evaporative fuel processing device for an engine according to an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional same device. 1... Intake passage, 2... Canister, 3... Throttle valve, 4... Negative pressure outlet, 5... Evaporated fuel supply port, 11... First purge passage, 12...
Second purge passage, 13... First valve, 13a...
... Valve body, 16... Second valve, 16c...
diaphragm.
Claims (1)
このキヤニスタで捕集された蒸発燃料をスロツト
ルバルブ下流の吸気通路にそれぞれ供給する第１
と第２のパージ通路とを備えていて、第１パージ
通路は第１の吸気量以上の運転域で開となる第１
バルブを介してキヤニスタに連通し、第２パージ
通路は上記第１の吸気量よりも多い第２の吸気量
以上の運転域で開となるダイヤフラム式の第２バ
ルブを介して上記第１バルブの上流に連通してい
ることを特徴とするエンジンの蒸発燃料処理装置
。 A canister that collects evaporated fuel from the engine,
A first valve that supplies the evaporated fuel collected by the canister to the intake passage downstream of the throttle valve.
and a second purge passage, the first purge passage being opened in an operating range equal to or higher than the first intake air amount.
The second purge passage communicates with the canister via a valve, and the second purge passage is connected to the first valve via a diaphragm type second valve that opens in an operating range equal to or higher than a second intake air amount, which is greater than the first intake air amount. An evaporative fuel processing device for an engine, characterized in that the device is in communication with an upstream side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986133040U JPH053733Y2 (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986133040U JPH053733Y2 (en) | 1986-08-29 | 1986-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6338658U true JPS6338658U (en) | 1988-03-12 |
| JPH053733Y2 JPH053733Y2 (en) | 1993-01-28 |
Family
ID=31032988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986133040U Expired - Lifetime JPH053733Y2 (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053733Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59213941A (en) * | 1983-05-19 | 1984-12-03 | Fuji Heavy Ind Ltd | Fuel evaporation gas suppressor |
-
1986
- 1986-08-29 JP JP1986133040U patent/JPH053733Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59213941A (en) * | 1983-05-19 | 1984-12-03 | Fuji Heavy Ind Ltd | Fuel evaporation gas suppressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053733Y2 (en) | 1993-01-28 |
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