Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 26, 2006
Patent Application Number
11063340
Date Filed
February 22, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
In a venting device for a fuel tank 1 of a motor vehicle having a filler neck and a venting valve, a circulation pipe is provided which, due to the suction jet effect when refueling circulates gas from the fuel tank back into the tank with the fuel so as to prevent an excessive inflow of fresh air, and which includes a venting pipe extending between venting valve 2 and a filter for discharging excess gases through a filter in order to prevent the escape of fuel vapors into the environment.
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