JPS60149864U - Engine fuel evaporative emission prevention device - Google Patents
Engine fuel evaporative emission prevention deviceInfo
- Publication number
- JPS60149864U JPS60149864U JP2341384U JP2341384U JPS60149864U JP S60149864 U JPS60149864 U JP S60149864U JP 2341384 U JP2341384 U JP 2341384U JP 2341384 U JP2341384 U JP 2341384U JP S60149864 U JPS60149864 U JP S60149864U
- Authority
- JP
- Japan
- Prior art keywords
- atmospheric pressure
- purge
- passage
- engine
- prevention device
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例によるエンジンの燃−料蒸発
ガス排出防止装置の概略構成図、第２図は本考案の実施
例の概ｉ構成図である。
１・・・吸気通路、３．３ａ、 ３ｂ・・・パージ通路
、６・・・大気圧センサ、９・・・パージ弁、８・・・
パージ量制御手段、１６−！・遅延手段、１７・・・パ
ージ量制御 −弁（パージ量制御手段）、１８・
・・負圧導入量制御弁（遅延手段）、１９・・・ベロー
ズ（大気圧センサ）。FIG. 1 is a schematic block diagram of an engine fuel evaporative emission prevention device according to an embodiment of the present invention, and FIG. 2 is a schematic block diagram of an embodiment of the present invention. 1... Intake passage, 3.3a, 3b... Purge passage, 6... Atmospheric pressure sensor, 9... Purge valve, 8...
Purge amount control means, 16-! - Delay means, 17... Purge amount control - valve (purge amount control means), 18.
... Negative pressure introduction amount control valve (delay means), 19... Bellows (atmospheric pressure sensor).
Claims (1)
、エンジンの設定運転域で上記パージ通路を開くパージ
弁と、大気圧を検出する大気圧上′ンサと、該大気圧セ
ンサの出力を受は大気圧が低い時に上記パージ通路の通
路面積を大気圧が高い時より大きくするパージ量制御手
段と、上記大気圧センサの出力を受は大気圧が低い時に
上記パージ弁の開弁時期を大気圧が高い時より遅延させ
る遅延手段とを備えたことを特徴とするエンジンの燃料
蒸発ガス排出防止装置。A purge passage that guides evaporated fuel gas to the engine intake passage, a purge valve that opens the purge passage in a set operating range of the engine, an atmospheric pressure sensor that detects atmospheric pressure, and a sensor that receives the output of the atmospheric pressure sensor. purge amount control means for making the passage area of the purge passage larger when atmospheric pressure is low than when atmospheric pressure is high; 1. A device for preventing fuel evaporative emissions from an engine, comprising a delay means for delaying the emission of fuel when the temperature is high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2341384U JPS60149864U (en) | 1984-02-20 | 1984-02-20 | Engine fuel evaporative emission prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2341384U JPS60149864U (en) | 1984-02-20 | 1984-02-20 | Engine fuel evaporative emission prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60149864U true JPS60149864U (en) | 1985-10-04 |
Family
ID=30516622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2341384U Pending JPS60149864U (en) | 1984-02-20 | 1984-02-20 | Engine fuel evaporative emission prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149864U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5730366B2 (en) * | 1978-06-08 | 1982-06-28 |
-
1984
- 1984-02-20 JP JP2341384U patent/JPS60149864U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5730366B2 (en) * | 1978-06-08 | 1982-06-28 |
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