Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel
Patent
1987-09-03
1989-06-13
Corbin, David H.
Hydraulic and earth engineering
Drainage or irrigation
Having regulation of flow through channel
137408, 2105322, 405 36, E02B 1100, B01D 2102
Patent
active
048387312
ABSTRACT:
A system for leaching septic effluent is disclosed which includes a concrete distribution box having inlet and outlet openings formed therein located at different levels. An open-topped tray pivotally mounted in the distribution box at a level located between the levels of the inlet and outlet openings and has a counterweight secured to one side side of its pivotal mounting and a first stop to maintain the tray in a horizontal position against the action of the counterweight when the tray is empty. The tray is located to receive effluent from the inlet opening and the counterweight is dimensioned to be overcome by effluent in the tray when a predetermined amount of effluent is in the tray. As a result, the tray pivots against the influence of the counterweight away from its first stopped position to empty the tray and discharge the predetermined amount of effluent to the outlet openings. A second stop is formed in the box to limit pivotal movement of the tray away from the first stopped position to a predetermined effluent emptying position.
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Corbin David H.
Razzano Pasquale A.
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