Patent ID: 7922903

Claim:
A system for use with a filter having a filter bed that is periodically subjected to fluids including a liquid, a gas and/or a combination of liquid and gas; said system comprising: (a) a distribution chamber for receiving and distributing one or more fluids, said distribution chamber including an inlet for receiving one or more fluids; (b) a plurality of laterals operably connected to said distribution chamber for receiving one or more fluids from said distribution chamber, said plurality of laterals each being configured to direct one or more fluids to a filter bed of a filter, said plurality of laterals including a first lateral, a second lateral and a third lateral; and, (c) a distribution plate extending across at least a portion of said first lateral and at least a portion of said second lateral, said distribution plate being removed from said third lateral, said distribution plate being configured to provide a first flow area through which one or more fluids from said distribution chamber pass into said first lateral and a second flow area through which one or more fluids from said distribution chamber pass into said second lateral, said distribution plate being fixed relative to said distribution chamber such that said distribution plate does not move relative to said distribution chamber; and, (d) a third flow area through which one or more fluids from said distribution chamber pass into said third lateral, said third flow area being a different size than at least one of said first flow area and said second flow area.