Apparatus for controlling amount of fuel-vapor purged from canister to intake air system
Patent
·
OSTI ID:6058085
An apparatus is described for controlling an amount of fuel-vapor purged from a canister filled with a fuel-vapor adsorbent and sent to an intake air pipe of an internal combustion engine having a fuel tank connected to the canister, comprising: means for detecting a supply of fuel to the fuel tank; means for detecting a start of the engine; means, positioned between the canister and the intake air pipe, for adjusting the amount of fuel-vapor purged from the canister; and means for decreasing the amount of fuel-vapor purged for a predetermined time period by controlling the adjusting means when a first start of the engine is detected after a fuel supply to the fuel tank is detected.
- Assignee:
- Toyota Jidosha Kabushiki Kaisha, Aichi
- Patent Number(s):
- US 4809667
- OSTI ID:
- 6058085
- Country of Publication:
- United States
- Language:
- English
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