Filtration device

Details Filtration device Filtration device

2005-03-08

2005-03-08

Reifsnyder, David A. (Department: 1723)

Liquid purification or separation

Processes

Separating

C210S232000, C210S315000, C210S445000, C210S448000, C210S452000, C210S456000

Reexamination Certificate

active

06863831

ABSTRACT:
Filtration device comprising an inlet for the supply of the liquid to be filtered and means for holding a filter crossing the flow path beyond the inlet. The inlet opens into an annular intermediate passage which narrows down in the flow direction to an annular slit. The inlet opens into the annular passage in a tangential direction. The device comprises a support screen for support of a removable filter, and a dome leaving a small gap between its outline and the support screen when it is positioned in the support screen.

REFERENCES:
patent: 1494677 (1924-05-01), Feldmeier
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patent: 4024065 (1977-05-01), Morgan, Jr.
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patent: 4460468 (1984-07-01), Morgan
patent: 5643451 (1997-07-01), Harris et al.
patent: 0 318 993 (1989-06-01), None
patent: 978065 (1964-12-01), None

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