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US 11,130,400 B2Granted
Fuel tank made of thermoplastic material
AssigneeKautex Textron GmbH & Co. KG
InventorKlaus Esser
Life of this patent
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Abstract
Fuel tank made of thermoplastic material comprising baffle components provided therein in the form of at least one baffle element (2) comprising at least one wall portion (4) which is clamped approximately centrally and/or at the end, so that said wall portion may perform relative movements in relation to the tank, caused by splashing movements of the fuel, at least one fastening foot being provided for the clamping, the base thereof being provided with at least one through-hole, through which the fastening foot is riveted and/or welded to the tank wall (2).
Claims20
A fuel tank for a motor vehicle comprising:
- at least one baffle element within a volume of the fuel tank, wherein the fuel tank is a thermoplastic fuel tank,
- the at least one baffle element comprising a wall portion retained to a wall of the fuel tank by a fastening foot,
- wherein, when fuel is in the fuel tank, the wall portion deforms in response to movements of the fuel in the fuel tank,
- wherein the fastening foot comprises at least one through-hole used to fasten the fastening foot to the wall of the fuel tank,
- wherein the at least one baffle element is configured such that, in its entirety, the at least one baffle element extends only over one part of an inside height and only over one part of an inside width of the volume of the fuel tank,
- wherein the wall portion is formed of thermoplastic material,
- wherein the fastening foot is formed of thermoplastic material, and
- wherein the fastening foot has a greater bending stiffness than the wall portion.
5 more elements
Dependencies are inferred from the claim text.