Liquid purification or separation – Flow – fluid pressure or material level – responsive – Float
Patent
1998-11-12
2000-01-18
Upton, Christopher
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Float
210234, 210235, 210256, 210299, 210429, 210441, 2105322, B01D 2933
Patent
active
060154888
ABSTRACT:
A filter housing having a bracket for attaching the housing to a septic tank outlet port and adapted for fluid flow connection to an outlet port on the housing, contains a removable filter element having an outlet port connected to the outlet port on the housing and an opening in the lower end of the housing for delivering septic tank fluid to the filter, and includes a seal element buoyantly responsive closingly to fluid in a septic tank when the filter housing is mounted in a septic tank, operatively connected to the filter element for closing the open lower end of the filter housing and forming a temporary second filter at the lower open end when the filter element is removed from the filter housing.
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Seemann Robert A.
Upton Christopher
LandOfFree
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