Title: Zero energy input flocculator

Abstract: A flocculator for use in water treatment plants which comprises a paddle wheel disposed in a sedimentation basin. The wheel is defined by a plurality of equally spaced semicylindrical paddles which at all times are fully submerged in the water and which are constructed of a relatively thin sheet material that is undulated in a direction perpendicular to the length of the paddles. The paddles extend across the full width of the basin and they are secured to rotatably mounted hubs. The water flow in the basin provides the sole source of motive power for rotating the wheel.

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Inventors: Harris, W. Leslie (Concord, CA, US)

Application Number: 427771
Filing Date: 1973-12-26
Publication_date: 1976-03-02
Assignee:
Primary Class(es): 210/738 210/208, 210/219, 210/320, 366/172.1, 366/325.5, 366/325.8
Other Classes:
US Patent Ref:

1466053	Aug, 1923	Ladd et al.	210/319.
2128569	Aug, 1938	Velz	210/320.
2155764	Apr, 1939	Lissauer	210/319.
2633453	Mar, 1953	McAllister	210/49.
3598239	Aug, 1971	Mackrle et al.	210/208.
3799515	Mar, 1974	Geerlings	261/120.

Other Refs:
Primary Examiner: Hart, Charles N.
Assistant Examiner: Castel, Benoit
Attorney: Townsend and Townsend