US 12,233,708 B2
Fuel tank with internal bladder and method
John Kuykendall, Fountain Inn, SC (US)
Filed by John Kuykendall, Fountain Inn, SC (US)
Filed on Mar. 22, 2021, as Appl. No. 17/301,010.
Claims priority of provisional application 63/000,752, filed on Mar. 27, 2020.
Prior Publication US 2021/0300176 A1, Sep. 30, 2021
Int. Cl. B60K 15/03 (2006.01); B65D 90/04 (2006.01)
CPC B60K 15/03177 (2013.01) [B65D 90/047 (2013.01); B60K 2015/03046 (2013.01); B60K 2015/03184 (2013.01); B60K 2015/03447 (2013.01); B65D 2590/046 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A fuel tank assembly comprising:
an enclosed rigid outer fuel tank formed into a longitudinal structure including a series of support members, wherein said outer fuel tank includes a longitudinal channel for receiving an internal bladder and a pair of removable end caps that are disposed on opposed ends of thereof;
a removable, collapsible internal bladder positioned within said longitudinal channel within said outer fuel tank;
a small steel primary disposed within said outer fuel tank to detect the fuel level within said internal bladder, wherein said small steel primary further prevents said internal bladder from being overfilled with fuel; and
wherein said internal bladder may be removed from or inserted into said outer fuel tank through either end thereof when one or both end caps have been removed.