Screw type dewatering machine

Details Screw type dewatering machine Screw type dewatering machine

1995-04-21

1996-05-14

Lithgow, Thomas M.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210415, 100117, B01D 2933, B01D 2935, B01D 2954, B01D 2964

Patent

active

055164277

ABSTRACT:
A screw type dewatering machine according to the present invention includes inner and outer sleeves (1, 2), an annular space chamber (3) defined therebetween, a coil-like screw (4) rotatably disposed in the annular space chamber (3), and drain screens (5, 12) disposed on the inner sleeve (1) and/or the outer sleeve (2), and is characterized in that a support ring (16) is attached to the outer periphery of one end of the coil-like screw (4) and is rotatably supported by the outer sleeve (2).

REFERENCES:
patent: 2560147 (1951-07-01), Anderson
patent: 3199441 (1965-08-01), Haug
patent: 3230865 (1966-01-01), Hibbel et al.
patent: 3919087 (1975-11-01), Brumagim
patent: 3939763 (1976-02-01), Sato
patent: 4202773 (1980-05-01), Fink et al.
patent: 4361081 (1982-11-01), Howard
patent: 4412485 (1983-11-01), Brown
patent: 4470904 (1984-09-01), Gail et al.
patent: 4709628 (1987-12-01), Glowacki
patent: 4915830 (1990-04-01), Mackay et al.
patent: 4997578 (1991-03-01), Berggren

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