Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Reexamination Certificate
2011-04-05
2011-04-05
Cronin, Stephen K (Department: 3747)
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
Reexamination Certificate
active
07918213
ABSTRACT:
In a control method for an internal combustion engine (1) which has a fuel tank (18), a fuel vapor storage device (25) for storing the escaping fuel vapors and a controllable valve (28) for adjusting the stream of fuel vapors fed to the intake tract (4) during a period of tank ventilation, the valve (28) is controlled in such a way according to the method that the stream of fuel vapors varies during the tank ventilation period. The regeneration of the fuel vapor storage device is intended to be improved thereby.
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Althof Andreas
Fuehling Stefan
Mai Wolfgang
Meyer Knut
Pache Jens
Castro Arnold
Continental Automotive GmbH
Cronin Stephen K
King & Spalding L.L.P.
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