Patent ID: 9516867
Filing Date: 2016-12-13
CPC Classification: A01K,Y02A

Claim Text:
1. A water circulation device for an aquarium tank, comprising: a pump house basket having a sidewall and a horizontal bottom panel joined to the sidewall, the sidewall having a polygonal or circular shape in a horizontal cross-section; and a basket lid disposed on top of the pump house basket, the pump house basket further including a horizontal divider panel disposed above the bottom panel and joined to the sidewall, wherein the bottom panel, the horizontal divider panel and a portion of the sidewall located between the bottom panel and the horizontal divider panel enclose an intake chamber, wherein the portion of the sidewall located between the bottom panel and the horizontal divider panel have a plurality of openings forming inlets of the intake chamber, the pump house basket further including substantially vertical divider walls located above the horizontal divider panel which enclose a pump house chamber adapted for accommodating a water pump, wherein the horizontal divider panel has an opening formed thereon adapted for passing an inlet port of the water pump from the pump house chamber to the intake chamber, wherein the substantially vertical divider walls, a portion of the horizontal divider panel, an upper portion of the sidewall of the pump house basket, and a portion of the basket lid enclose a return chamber, the return chamber surrounding the pump house chamber, wherein the substantially vertical divider walls have an opening formed thereon adapted for passing an outlet port of the water pump from the pump house chamber to the return chamber, and wherein the sidewall of the pump house basket has a step feature extending in horizontal directions around the sidewall, the step feature including a plurality of water outlets, each of the water outlets being parallel to the sidewall and perpendicular to a horizontal direction, wherein the plurality of water outlets are located above the inlets of the intake chamber.