Debris filter with a rotating debris extractor

Details Debris filter with a rotating debris extractor Debris filter with a rotating debris extractor

2007-08-21

2007-08-21

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

C210S415000

Reexamination Certificate

active

10501232

ABSTRACT:
A filter for filtering solid particles from liquids, especially for use in steam condensers and heat exchanger in thermal and nuclear power plants, said filter comprising a housing (4), a screen basket (2) located within said housing (4), a debris discharge pipe (1) for discharging accumulated and captured debris; a debris extractor arm (3) with a curvature towards the screen extending outwards at a predetermined radius with respective vertical plane, the said debris extractor arm (3) being rotatably driven over the entire length of the screen to create a low pressure between the debris extractor arm (3) and the screen (4) for complete extraction of debris and conveying to said debris discharge pipe (1).

REFERENCES:
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patent: 4204961 (1980-05-01), Cusato
patent: 4352739 (1982-10-01), Oliver
patent: 4582603 (1986-04-01), Nasse
patent: 4867879 (1989-09-01), Muller
patent: 4904397 (1990-02-01), Eimer et al.
patent: 5108592 (1992-04-01), Wilkins et al.
patent: 5587074 (1996-12-01), Lynch et al.
patent: 5728297 (1998-03-01), Koller
patent: 3829360 (1990-03-01), None
patent: 44-006495 (1969-03-01), None
International Search Report dated Nov. 13, 2002.

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