Screw for a solid-bowl centrifuge and a method of extracting...

Details Screw for a solid-bowl centrifuge and a method of extracting... Screw for a solid-bowl centrifuge and a method of extracting...

2005-06-21

2005-06-21

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

Process

C494S054000, C494S901000

Reexamination Certificate

active

06908423

ABSTRACT:
A screw for a solid-bowl screw-type centrifuge, comprising: a screw body having a circumference, a cylindrical section and a conical section; at least one screw blade surrounding the screw body several times and forming several screw spirals; a delivery path for conveying material to be centrifuged formed between the screw spirals; blade segments arranged in the delivery path between adjacent screw spirals only in a portion of the cylindrical section; and recesses in the at least one screw blade, the recesses constructed only in a portion of the cylindrical section and constructed such that the material to be centrifuged can flow through between adjacent screw spirals. A method for extracting oil in a two- and three-phase separation process using the screw of the present invention.

REFERENCES:
patent: 2862658 (1958-12-01), Dahlgren
patent: 4617010 (1986-10-01), Epper et al.
patent: 5037373 (1991-08-01), Mozley
patent: 5222935 (1993-06-01), Schlarb
patent: 5354255 (1994-10-01), Shapiro
patent: 5656180 (1997-08-01), Pieralisi
patent: 6004255 (1999-12-01), Madsen
patent: 4132 693 (1991-10-01), None
patent: 4132593 (1993-04-01), None
patent: 258012 (1988-03-01), None
patent: 557 758 (1993-02-01), None
patent: 1364717 (2004-05-01), None
patent: 57-194061 (1982-11-01), None
patent: WO 97/23295 (1997-07-01), None
patent: 02/38278 (2004-05-01), None
patent: 03/099975 (2004-12-01), None

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