JPS58111348U - Fuel vapor release prevention device - Google Patents
Fuel vapor release prevention deviceInfo
- Publication number
- JPS58111348U JPS58111348U JP824882U JP824882U JPS58111348U JP S58111348 U JPS58111348 U JP S58111348U JP 824882 U JP824882 U JP 824882U JP 824882 U JP824882 U JP 824882U JP S58111348 U JPS58111348 U JP S58111348U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- fuel vapor
- prevention device
- engine
- release prevention
- 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
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図はこの考案の実施例を示す図、第２、第３図はＰ
ＴＣヒータの側面および正面図、第４図は遅延弁の断面
図、第５図はＰＴＣヒータの温度特性線図である。
２・・・・・・燃料タンク、４・・・・・・キャニスタ
、７・・・・・・パージバルブ、８・・・・・・負圧管
、１１・・・・・・ＰＴＣヒータ、１４・・・・・・ス
イツ芋、１５・・・・・・負圧モータ、１６・・・・・
・負圧支管、１７・・・・・・遅延弁。Figure 1 is a diagram showing an embodiment of this invention, Figures 2 and 3 are P
4 is a sectional view of the delay valve, and FIG. 5 is a temperature characteristic diagram of the PTC heater. 2... Fuel tank, 4... Canister, 7... Purge valve, 8... Negative pressure pipe, 11... PTC heater, 14... ...Sweet potato, 15...Negative pressure motor, 16...
・Negative pressure branch pipe, 17...Delay valve.
Claims (1)
に吸着し、エンジン運転時にキャニスタへ大気を吸入し
て脱離し、エンジン側へ送出する、燃料蒸気放出防止装
置において、前記キャニスタの大気吸入口に、他端が大
気に開放された大気導入管を設け、大気導入管の途中に
正抵抗特性サーミスタヒータを介在させてこれを電源と
接続し、前記接続回路の途中に設けたスイッチをエンジ
ン吸気管のスロットルバルブ直前の上流側と負圧管路で
連通ずる負圧モータに連結し、負圧モータの負圧位置に
おいて前記スイッチが閉となるように設定したことを特
徴とする燃料蒸気放出防止装置。 ２ 前記負圧管路の途中に、エンジンの吸入管側−＼の
み開弁する一方向弁とオリフィスを併動に配設して成る
遅延弁を介在させたことを特徴とする、実用新案登録請
求の範囲第１項の燃料蒸気放出防止装置。[Scope of Claim for Utility Model Registration] 1. In a fuel vapor release prevention device that temporarily adsorbs fuel vapor in a fuel tank to an adsorption layer of a canister, and when the engine is running, the air is sucked into the canister, desorbed, and sent to the engine side. , an air inlet pipe with the other end open to the atmosphere is provided at the air inlet of the canister, a positive resistance thermistor heater is interposed in the middle of the air inlet pipe, and this is connected to a power source, and the connection circuit is A switch provided at the engine intake pipe is connected to a negative pressure motor that communicates with the upstream side of the engine intake pipe immediately before the throttle valve through a negative pressure line, and the switch is set to close when the negative pressure motor is in a negative pressure position. Fuel vapor release prevention device. 2. A request for registration of a utility model, characterized in that a delay valve consisting of a one-way valve that opens only on the intake pipe side of the engine and an orifice arranged in conjunction with each other is interposed in the middle of the negative pressure pipe. Fuel vapor release prevention device according to item 1 in the scope of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP824882U JPS58111348U (en) | 1982-01-26 | 1982-01-26 | Fuel vapor release prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP824882U JPS58111348U (en) | 1982-01-26 | 1982-01-26 | Fuel vapor release prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58111348U true JPS58111348U (en) | 1983-07-29 |
| JPS6139107Y2 JPS6139107Y2 (en) | 1986-11-10 |
Family
ID=30020959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP824882U Granted JPS58111348U (en) | 1982-01-26 | 1982-01-26 | Fuel vapor release prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58111348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010144590A (en) * | 2008-12-18 | 2010-07-01 | Mahle Filter Systems Japan Corp | Vaporized fuel processing device |
-
1982
- 1982-01-26 JP JP824882U patent/JPS58111348U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010144590A (en) * | 2008-12-18 | 2010-07-01 | Mahle Filter Systems Japan Corp | Vaporized fuel processing device |
| US8375925B2 (en) | 2008-12-18 | 2013-02-19 | Mahle Filter Systems Japan Corporation | Vaporized fuel processing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6139107Y2 (en) | 1986-11-10 |
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