JPS5812668U - Evaporative fuel emission prevention device for internal combustion engines - Google Patents
Evaporative fuel emission prevention device for internal combustion enginesInfo
- Publication number
- JPS5812668U JPS5812668U JP10653981U JP10653981U JPS5812668U JP S5812668 U JPS5812668 U JP S5812668U JP 10653981 U JP10653981 U JP 10653981U JP 10653981 U JP10653981 U JP 10653981U JP S5812668 U JPS5812668 U JP S5812668U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- prevention device
- combustion engines
- evaporative fuel
- emission 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.)
- Pending
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
第１図は従来の蒸発燃料排出防止装置の配管系統図、第
２図及び第３図は夫々本考案の異なる実施例を示すキャ
ニスタの縦断面図である。
１・・・燃料タンク、５・・・キャニスタ、６・・・吸
着剤、７・・・パージ用エア導入口、９・・・パージエ
ア出口のオリフィス、２１．３１・・・ガス導入管、２
２゜２２Ａ、２２Ｂ・・・ガス吹出孔、２３．３４Ａ。
３４Ｂ・・・空気層、２４．３３Ａ、３３Ｂ・・・フィ
ルタ、３２Ａ〜３２Ｃ・・・吸着剤充填層。FIG. 1 is a piping system diagram of a conventional evaporative fuel emission prevention device, and FIGS. 2 and 3 are longitudinal sectional views of a canister showing different embodiments of the present invention, respectively. DESCRIPTION OF SYMBOLS 1...Fuel tank, 5...Canister, 6...Adsorbent, 7...Purge air inlet, 9...Purge air outlet orifice, 21.31...Gas inlet pipe, 2
2゜22A, 22B...Gas outlet, 23.34A. 34B... Air layer, 24.33A, 33B... Filter, 32A to 32C... Adsorbent packed layer.
Claims (1)
通路に導く出口を備えたキャニスタケースの内奥部まで
、燃料タンクから蒸発燃料を導くガス導入管を挿入し、
該ガス導入管の挿入部に多数のガス吹出孔を開設する一
方、該ガス吹出孔の周囲に、フィルタとその外側の吸着
剤充填層とで囲まれた空気層を形成したことを特徴とす
る内燃機関の蒸発燃料排出防止装置。Insert a gas introduction pipe that leads vaporized fuel from the fuel tank to the innermost part of the canister case, which is equipped with a purge air inlet and an outlet that leads the purge air to the intake passage of the internal combustion engine.
A large number of gas blow-off holes are provided in the insertion portion of the gas introduction pipe, and an air layer is formed around the gas blow-off holes surrounded by a filter and an adsorbent-filled layer outside the filter. Evaporative fuel emission prevention device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10653981U JPS5812668U (en) | 1981-07-20 | 1981-07-20 | Evaporative fuel emission prevention device for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10653981U JPS5812668U (en) | 1981-07-20 | 1981-07-20 | Evaporative fuel emission prevention device for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5812668U true JPS5812668U (en) | 1983-01-26 |
Family
ID=29901008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10653981U Pending JPS5812668U (en) | 1981-07-20 | 1981-07-20 | Evaporative fuel emission prevention device for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5812668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101395923B1 (en) * | 2012-10-19 | 2014-05-16 | 현대자동차주식회사 | Structure of Canister in Vehicle |
-
1981
- 1981-07-20 JP JP10653981U patent/JPS5812668U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101395923B1 (en) * | 2012-10-19 | 2014-05-16 | 현대자동차주식회사 | Structure of Canister in Vehicle |
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