Patent ID: 9517692
Filing Date: 2016-12-13
CPC Classification: B60K,B60Y

Claim Text:
1. A liquid storage tank for a work vehicle having a chassis supported by ground-engaging wheels or tracks, the tank comprising: a bottom wall extending in a lateral orientation spaced from the chassis; upright peripheral walls at least in part surrounding the bottom wall and at least in part defining a tank volume; and an inverted sump extending up from the bottom wall within the tank volume, the sump defined by at least three upright sump walls, at least one sump wall being spaced from at least one peripheral wall to define a flow passage extending from an area of the tank volume outside the sump to within the sump, wherein the sump walls include a first sump wall extending into the tank volume at a first height and a second sump wall extending from the first sump wall at least in part at a second height that is less than the first height; wherein the second sump wall includes a constant-height portion at the second height and a transition portion that extends between the first sump wall and the constant-height portion and that has a varying height sloping from the first height to the second height.