Motor vehicle comprising an activated carbon filter and...

Details Motor vehicle comprising an activated carbon filter and... Motor vehicle comprising an activated carbon filter and...

2006-12-12

2006-12-12

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

Reexamination Certificate

active

07146969

ABSTRACT:
1. Motor vehicle having an activated carbon filter and method for regenerating an activated carbon filter.2. A motor vehicle (1) is proposed, comprising an, in particular, direct-injection internal combustion engine (2), a fuel tank (3) and an aeration device (4) for the fuel tank that comprises an activated carbon filter (5) and a regeneration device (6) for regenerating the activated carbon filter, and a method for regenerating an activated carbon filter in a motor vehicle comprising an, in particular, direct-injection internal combustion engine.2.2. According to the invention, a regeneration device (6) is provided in the motor vehicle and is assigned a control device (7) which undertakes an activation of the regeneration device (6) in the overrun mode of the internal combustion engine (2); for the method, provision is made for an overrun mode of the internal combustion engine to be detected in one method step and for a regeneration device which is assigned to the activated carbon filter and is intended for purging the activated carbon filter with fresh air to be activated in a subsequent method step.2.3. To be used in motor vehicles, in particular passenger vehicles.

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