Liquid purification or separation – Plural distinct separators – Filters
Patent
1988-12-28
1990-01-30
Cintins, Ivars
Liquid purification or separation
Plural distinct separators
Filters
2103801, B01D 3322
Patent
active
048971928
ABSTRACT:
A filtration device includes in a pressure vessel a driven rotary shaft having a longitudinal bore. Fluid suspension to be processed to recover the fluid is expelled from distributing conduit, situated either in the shaft or in the vessel, the outlets of which open to the cavity of the pressure vessel at central processing zones proximate the shaft adjacent the radially inward portions of annular filtration discs secured to the shaft. The filtration discs are laminates in which an inner conducting support layer is enclosed by an outer filtration layer. The layers are porous, the pores are in fluidic communication, and the pores of the inner layer are larger than the pores in the outer layer. Fluid collecting in the outer layer of a spinning filter disc flows from the inner layer through collecting passageways to the longitudinal bore in the shaft, and is removed from the vessel through a conduit fluidly communicating with longitudinal bore.
REFERENCES:
patent: 1269067 (1918-06-01), Enell
patent: 2038921 (1936-04-01), Blaufuss
patent: 3395801 (1968-08-01), Muller
patent: 3997447 (1976-12-01), Breton et al.
patent: 4243536 (1981-01-01), Prolss
patent: 4698156 (1987-10-01), Bumpers
Burgess Tim L.
Cintins Ivars
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