Liquid purification or separation – Plural distinct separators – Filters
Patent
1982-06-14
1983-09-06
Adee, John
Liquid purification or separation
Plural distinct separators
Filters
210443, 210450, 210456, B01D 2942
Patent
active
044028288
ABSTRACT:
A pressure filter vessel has a housing with an end cap at each end, a flow block in the lower end portion of the vessel having a reduced central portion and upper and lower flanges, a seal in each of the flanges for pressure sealing between the housing and each of the flanges, the flanges cooperating with the housing and the reduced central portion to define an annular chamber, and the upper flange cooperating with the housing and upper cap to define an upper chamber. An inlet connection to the flow block provides for fluid flow through a flow block opening to the upper chamber. At least one filter cartridge is mounted in an aperture in the flow block and extends to the upper chamber. The flow block defines a passage between the aperture and the annular chamber, and an outlet connection accommodates flow from the annular chamber. The wall of the reduced central portion of the flow block and the inner wall of the housing cooperate with the flanges to define the annular chamber. A first passage is preferably defined in the flow block for communication between the inlet connection and the upper chamber. The upper portion of the flow block preferably defines a plurality of apertures, and a plurality of passages are provided to communicate between the apertures and the annular chamber.
REFERENCES:
patent: 3339735 (1967-09-01), Kaster
patent: 4120794 (1978-10-01), Taylor
patent: 4319997 (1982-03-01), Pett
Adee John
Brown Boniard I.
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