Patent ID: 9409804
Filing Date: 2016-08-09
CPC Classification: A01K,C02F,Y02W

Claim Text:
1. A filter system for a fluid, comprising: a) a sock tank having a top wall, a bottom wall and at least one sidewall connecting said top wall to said bottom wall to form an enclosure, said top wall having an inlet formed therethrough which is fluidly connected to a container holding a large quantity of fluid, an outlet spaced apart from said inlet, a bracket secured to an interior surface of said sock tank, and a filter sock removable attached to said bracket and positioned adjacent to said inlet to provide particle filtration of incoming fluid; b) a first fluid connector having a first end attached to said outlet of said sock tank and a second end; c) a baffle tank having a bottom wall connected to at least one sidewall to form an enclosure, said baffle tank having a first chamber in fluid communication with a second chamber, said first chamber having a top wall connected to said at least one sidewall, an inlet which is aligned with said second end of said first fluid connector for receiving fluid in a non-sealing relationship, said first chamber containing a biological culture for biological filtration of said incoming fluid, said second chamber having a top wall connected to said at least one sidewall and having an outlet through which fluid can be routed back to said container holding a large quantity of fluid, said second chamber containing a quantity of filtered fluid, a first baffle formed by at least a portion of said sidewall of said first chamber, said first baffle joined to at least a portion of said sidewall of said second chamber, said first baffle extending downward from said top wall of said first chamber and having a lower end positioned above said bottom wall, a second baffle formed in said second chamber which extends upward from said bottom wall and has an upper end positioned below said top wall of said second chamber, said lower end of said first baffle is located closer to said bottom wall than is said upper end of said second baffle, and said first and second baffles allowing filtered fluid from said first chamber to flow into said second chamber while controlling fluid level in said first chamber; and d) a return conduit for routing filtered fluid from said second chamber of said baffle tank to said container holding a large quantity of fluid.