Non-return valve for a fuel tank
AssigneeCompagnie Plastic Omnium
InventorAlexis Rosseel
Life of this patent
Estimating the term…
Abstract
A non-return valve for a fuel tank, the valve including a bistable closure member. The closure member is made of an elastomeric plastics material and in the closed position it has an umbrella-configuration, and in the open position it has an inverted umbrella-configuration.
Claims5
A fuel tank comprising a non-return valve including a bistable closure member made of elastomeric plastics material, said member being arranged in a filler tube so as to take an open configuration during filling of the tank and a closed configuration under a backflow of fuel, wherein in a closed position said closure member has an umbrella configuration and in the open position an inverted umbrella configuration.
Dependencies are inferred from the claim text.