Centrifugal separator having whistle-reducing rotor

Details Centrifugal separator having whistle-reducing rotor Centrifugal separator having whistle-reducing rotor

2006-02-21

2006-02-21

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

Rotatable bowl

Including structure located within vertically-oriented bowl...

Reexamination Certificate

active

07001325

ABSTRACT:
A centrifugal separator has a centrifuge rotor and a casing, the casing forming an outer space for the rotor. The rotor is rotatable around a rotary axis and within the casing. The rotor includes a rotor wall, which defines an outer periphery of the rotor and encloses an inner space, an inlet, which extends through the rotor wall and permits feeding of a product to the inner space, and a number of outlets, which extend through the rotor wall and are arranged to permit intermittent discharge of a separated product from the inner space to the outer space. The outlets are distributed around the periphery of the rotor. The number of outlets is uneven, and a valve member extends around the rotor wall to define a space between the wall and the valve member at the level of the outlets.

REFERENCES:
patent: 1882389 (1932-10-01), MacIsaac
patent: 4410318 (1983-10-01), Bjork et al.
patent: 4820257 (1989-04-01), Ishimaru
patent: 5202024 (1993-04-01), Andersson et al.
patent: 5916083 (1999-06-01), Bjorkstrom
patent: 2004/0029698 (2004-02-01), Henriksson et al.
patent: 3409068 (1985-09-01), None
patent: 463 903 (1991-02-01), None
patent: 505 385 (1997-08-01), None

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