Patent ID: 6419843
Filing Date: 2002-07-16
Classification: B01D,B01F,C02F

Abstract:
An improved sewer apparatus comprising:a maintenance hole including a wall and a base; an influent line for carrying sewage to said maintenance hole; a vortex form fluidly connected to said influent line and disposed substantially within said maintenance hole, said vortex form having a channel with an outer wall of decreasing radius; and a conduit disposed within said maintenance hole and fluidly connected to said vortex form channel, said conduit comprising a pipe wall having a smaller diameter than said maintenance hole wall and extending substantially downwardly from said vortex form, and further comprising a conduit base and flow exit path near said maintenance hole base; wherein the sewage enters said maintenance hole from said influent line and is channeled into a spiral flow by said vortex form and into said conduit wherein the sewage continues its spiral flow against said pipe wall until the sewage exits the conduit from said flow exit path near said maintenance hole base.