B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 29/35 (2006.01) B01D 29/27 (2006.01) C02F 3/28 (2006.01) E03F 1/00 (2006.01)
Patent
CA 2237751
An effluent filtering apparatus including an effluent filter fluidly connected to the output of an effluent pump disposed in an effluent tank, for providing filtered effluent to a drain field having a plurality of finger pipes defining a plurality of finger apertures. The effluent filter includes a tubular member defining a plurality of filtering orifices through a cylindrical wall. Effluent flows into the tubular member through an open first end and flows out of the tubular member through the filtering orifices, with turbulence within the tubular member preventing at least a portion of solid material present in the effluent from lodging within the filtering orifices. Effluent containing solid material smaller in size than the filtering orifices flows from the effluent tank to the drain field, but larger solid material present in effluent is filtered by the filtering orifices, with the filtering orifices remaining unobstructed for an extended period of time due to turbulent flow within the tubular member. A basket-like filter insert may be disposed within the tubular member proximate to the first end, defining a plurality of openings therethrough permitting flow of effluent but preventing solid material aggregated within the tubular member larger than the dimensions of the openings from flowing backwards from the tubular member and into the pump when the pump is deactivated.
Finlayson & Singlehurst
Koteskey Gary L.
LandOfFree
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