JPS5540266A - Evaporative emission discharge preventer - Google Patents
Evaporative emission discharge preventerInfo
- Publication number
- JPS5540266A JPS5540266A JP11366478A JP11366478A JPS5540266A JP S5540266 A JPS5540266 A JP S5540266A JP 11366478 A JP11366478 A JP 11366478A JP 11366478 A JP11366478 A JP 11366478A JP S5540266 A JPS5540266 A JP S5540266A
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- air
- pressure air
- purge
- engine
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
Abstract
PURPOSE:To prevent dusts, mud, water, etc. from entering into a purge air conduit of an activated-charcoal-type evaporative emission discharge preventer, by supplying pressure air into the purge air conduit when an engine is moving. CONSTITUTION:When the engine is stopped, an air pump 11 is not driven and there is no pressure air in a relief conduit 20. At that time, the purge air inlet port 5 of a charcoal canister 1 is maintained at the atmospheric pressure, evaporated fuel from a fuel tank or the like is introduced into the canister 1 through an inlet port 3 and adsorbed on activated charcoal 2. When the engine is moving, the air pump 11 is driven and there is pressure air in the relief conduit 20. At that time, the pressure air is conducted from a conduit 23 to a part 24 of another conduit 6. A part of the pressure air is introduced into the canister 1 to purge the evaporated fuel from the activated charcoal 2 and the other part of the pressure air is conducted to the atmospheric end of the conduit 6 to blow off ducts or the like from said end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11366478A JPS5540266A (en) | 1978-09-18 | 1978-09-18 | Evaporative emission discharge preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11366478A JPS5540266A (en) | 1978-09-18 | 1978-09-18 | Evaporative emission discharge preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5540266A true JPS5540266A (en) | 1980-03-21 |
Family
ID=14618020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11366478A Pending JPS5540266A (en) | 1978-09-18 | 1978-09-18 | Evaporative emission discharge preventer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5540266A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6036566U (en) * | 1983-08-19 | 1985-03-13 | スズキ株式会社 | Motorcycle canister purge device |
| JPH0324149U (en) * | 1989-07-20 | 1991-03-13 |
-
1978
- 1978-09-18 JP JP11366478A patent/JPS5540266A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6036566U (en) * | 1983-08-19 | 1985-03-13 | スズキ株式会社 | Motorcycle canister purge device |
| JPH0329573Y2 (en) * | 1983-08-19 | 1991-06-24 | ||
| JPH0324149U (en) * | 1989-07-20 | 1991-03-13 |
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