JPS62117261U - - Google Patents
Info
- Publication number
- JPS62117261U JPS62117261U JP452786U JP452786U JPS62117261U JP S62117261 U JPS62117261 U JP S62117261U JP 452786 U JP452786 U JP 452786U JP 452786 U JP452786 U JP 452786U JP S62117261 U JPS62117261 U JP S62117261U
- Authority
- JP
- Japan
- Prior art keywords
- charcoal canister
- fuel tank
- way valve
- canister
- opening pressure
- 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
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 5
- 238000010926 purge Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
図は本考案に係る内燃機関の蒸発燃料排出防止
装置の概略図である。
３……燃料タンク、６……フロート室、１０…
…第１のチヤコールキヤニスタ、１２……第１の
連通路、１３……第１の一方弁、２０……第２の
チヤコールキヤニスタ、２２……第２の連通路、
２３……第２の一方弁。
The figure is a schematic diagram of an evaporative fuel emission prevention device for an internal combustion engine according to the present invention. 3...Fuel tank, 6...Float chamber, 10...
...first coal canister, 12...first communication path, 13...first one-way valve, 20...second carbon canister, 22...second communication path,
23...Second one-way valve.
Claims (1)
ニスタと、燃料タンク及び気化器フロート室に連
結された第２のチヤコールキヤニスタとを設け、
燃料タンクと第１のチヤコールキヤニスタ間及び
燃料タンクと第２チヤコールキヤニスタ間をそれ
ぞれ連結する第１及び第２の連通路には、燃料蒸
気のキヤニスタ側への流入を許容する第１及び第
２の一方弁が介装され、第２の一方弁の開弁圧を
第一の一方弁の開弁圧よりも大きくし、更に第１
および第２のチヤコールキヤニスタの各パージ口
を内燃機関の吸気管に連結したことを特徴とする
蒸発燃料排出防止装置。 a first charcoal canister connected to the fuel tank; a second charcoal canister connected to the fuel tank and the carburetor float chamber;
The first and second communication passages connecting the fuel tank and the first charcoal canister and between the fuel tank and the second charcoal canister, respectively, include a first passage that allows fuel vapor to flow into the canister side. and a second one-way valve is interposed, the opening pressure of the second one-way valve is made larger than the opening pressure of the first one-way valve, and
and an evaporative fuel discharge prevention device, characterized in that each purge port of the second charcoal canister is connected to an intake pipe of an internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP452786U JPS62117261U (en) | 1986-01-18 | 1986-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP452786U JPS62117261U (en) | 1986-01-18 | 1986-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117261U true JPS62117261U (en) | 1987-07-25 |
Family
ID=30785267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP452786U Pending JPS62117261U (en) | 1986-01-18 | 1986-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117261U (en) |
-
1986
- 1986-01-18 JP JP452786U patent/JPS62117261U/ja active Pending
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