Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 15, 2006
Patent Application Number
10493505
Date Filed
October 22, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fuel storage tank includes an overfill protection device for shutting off the flow of fuel into the tank via a fuel fill tube when the contents of the tank reach an intended maximum fill level. The overfill protection device includes a butterfly valve located within the fuel fill tube and a float, slidably mounted outside the fuel fill tube and operatively linked to the butterfly valve. The float rotates the butterfly valve towards the closed position in response to an increasing fuel level in the tank.
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