Solid-liquid separator

Details Solid-liquid separator Solid-liquid separator

2007-03-20

2007-03-20

Larson, Lowell A. (Department: 3725)

Presses

With drain means for expressed liquid

Drainage through or along pressure surface

C100S128000, C100S146000, C210S415000, C366S301000

Reexamination Certificate

active

11054827

ABSTRACT:
A system is provided with a solid-liquid separator which can transport sludge and other material for treatment without clogging and can efficiently separator liquid from such material for treatment. The system includes movable plates and fixed plates alternatingly disposed and two screws disposed in holes formed in the movable plates and fixed plates. The screws have blades that partially overlap. As the two screws rotate, the material for treatment is transported and the effluent is discharged through the gaps between the movable plates and fixed plates.

REFERENCES:
patent: 4467717 (1984-08-01), Yamamoto
patent: 5333556 (1994-08-01), Isobe et al.
patent: 5380436 (1995-01-01), Sasaki
patent: 5752770 (1998-05-01), Kawaguchi et al.
patent: 0 581 965 (1994-02-01), None
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patent: 2000 135595 (2000-05-01), None
patent: 2001-224913 (2001-08-01), None
U.S. Appl. No. 11/081,469, filed Mar. 16, 2005, Sasaki.
Feb. 1, 2003 Journal of Water and Waste Vol. 45, No. 2 p. 9.

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