Patent ID: 7927161
Filing Date: 2011-04-19
Classification: B01D,B08B,B60K,B63B,B63J,F02M,Y10T

Abstract:
1. A marine vessel and fuel tank apparatus, comprising: a) a marine vessel hull that contains a fuel consuming engine and a tank body having a plurality of outer tank walls surrounding an interior that enables fuel to be contained, the tank body having upper and lower end portions and a plurality of inner tank walls, the outer tank walls and the inner tank walls including upper and lower sections, said lower section of the inner tank walls having inclined portions and a wall lower end; b) a fitting for enabling fuel to be added to the tank interior; c) a fuel outlet for enabling fuel to be discharged from the tank interior; d) a sump that is positioned at the lower end portion of the fuel tank body and below the inclined portions of the inner tank walls, wherein the inclined portions of the inner tank walls extend in opposed directions away from the sump, said lower section of each inner tank wall forming an acute angle with horizontal of between about five and sixty degrees; e) the interior containing a vent flow line that extends from a position above the sump to a position next to the upper end portion of the tank body, said vent flow line being a passageway in between one of the inner tank walls and one of the outer tank walls, venting externally of the tank.