Fuel tank having a venting system

Details Fuel tank having a venting system Fuel tank having a venting system

2005-11-15

2005-11-15

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

C123S519000, C137S565340

Reexamination Certificate

active

06964268

ABSTRACT:
A venting system for a fuel tank has an inlet opening that is communicated with a liquid separator arranged between the inlet opening and a vapor canister that preferably has an activated carbon filter. The liquid separator is preferably arranged in the interior of the fuel tank. In a preferred embodiment of the invention, a plurality of vent lines are arranged in the interior of the tank with the inlet openings of the vent lines spaced apart from each other so that there is always at least one inlet opening not exposed to liquid fuel. A line between the liquid separator and the activated carbon filter communicates with the upper region of the liquid separator. These measures ensure that the fuel vapors which are to be vented can pass undisturbed through the liquid separator while any liquid fuel which enters the separator collects in its lower region.

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