Patent ID: 6564961
Filing Date: 2003-05-20
Classification: B60P,Y10T

Abstract:
A trapezoidal fluid storage tank comprising:a. a tank shell, said tank shell comprising a top, a bottom, a first side, a second side, a front end cap, and a rear end cap, said top being attached to said first side and said second side, said bottom also being attached to said first side and said second side, said top and said bottom being in a generally parallel relationship, said top being smaller than said bottom when viewed in a cross sectional view, said front end cap being attached to said top, said first side, said second side and said bottom, said rear end cap being attached to said top, said first side, said second side and said bottom, said first side opposing said second side, and said front end cap opposing said rear end cap, said tank shell further defining an interior therein; b. said top of said fluid storage tank having a centrally located hole defined therein, said top of said fluid storage tank further having a hatch means, said hatch means being centrally mounted on said top of said fluid storage tank over said centrally located hole, said hatch means having a standard hinge means to allow said hatch means to be opened and closed, said hatch means being secured in a closed position by a standard latch means, said hatch means allowing access to said interior of said tank shell or to the interior of said tank assembly through said centrally located hole in said top; c. a baffle, said baffle having a shape complementary to said tank shell, said baffle having a perimeter, said perimeter being defined as an external portion of said baffle, said perimeter having a flange defined thereon, said flange being attached to said tank shell, said baffle having a through hole defined therein, said through hole being located offset from a central axis of said baffle, a stiffening plate, said stiffening plate being located along said central axis of said baffle at a central point of said baffle, said stiffening plate being attached to said baffle, said stiffening plate and said baffle having a through hole defined therethrough, said through hole allowing a stabilizing beam to penetrate therethrough, said stabilizing beam being attached to said baffle and said stiffening plate, a first end of said stabilizing beam is attached to said front end cap, a second end opposing said first end of said stabilizing beam is attached to said rear end cap providing structural stability to said baffle when fluid in said tank assembly presses upon said baffle, said baffle being centrally located within said tank assembly defining a forward bay and an aft bay; and d. said bottom having a drain hole defined therein, said bottom further having a mounting flange defined thereon, said mounting flange providing structural stability for said drain hole and additionally providing support for an installed pump system (not shown).