Floating skimmer for cleaning the surface of a body of liquid, m

Details Floating skimmer for cleaning the surface of a body of liquid, m Floating skimmer for cleaning the surface of a body of liquid, m

1974-09-23

1976-07-20

Granger, Theodore A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210242S, B01D 2100, E02B 1504

Patent

active

039705560

ABSTRACT:
A floating skimmer, for cleaning the surface of the liquid around the skimmer, has an outer, annular shaped body with an inner cavity. Flotation and ballast chambers in the outer body regulate the level of flotation of the weir, and a peripheral opening admits a flow of liquid into the central cavity. The liquid is pumped out of the central cavity through a drain opening in the base plate. A movable weir extends across the width of the inlet opening and regulates the quantity and velocity of liquid which flows through the opening and into the central cavity. The outer edge of the weir is connected to the body by a hinge connection which permits the weir to articulate about that edge. A float is mounted beneath the weir so that the weir floats on the liquid within the central cavity and with the back inner edge of the weir elevated. This produces a cascade of liquid off the upper edge of the weir and a regulated skimming of the surface of the liquid by the cascade action. A method of skimming is also disclosed.

REFERENCES:
patent: 318689 (1885-05-01), Breese
patent: 2330508 (1943-09-01), McColl
patent: 3534859 (1970-10-01), Amero et al.
patent: 3567020 (1971-03-01), Whitaker
patent: 3688909 (1972-09-01), Titus
patent: 3700109 (1972-10-01), Lasko
patent: 3708070 (1973-01-01), Bell
patent: 3745115 (1973-07-01), Olsen
patent: 3753492 (1973-08-01), Aiello
patent: 3782553 (1974-01-01), Brekke

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