Filtration device with cross-flow function and its...

Details Filtration device with cross-flow function and its... Filtration device with cross-flow function and its...

2005-04-26

2005-04-26

Popovics, Robert James (Department: 1724)

Liquid purification or separation

Processes

Separating

C210S808000, C210S248000, C210S433100, C210S456000

Reexamination Certificate

active

06884360

ABSTRACT:
The present invention employs cross-flow to extend operation time of filtration devices and to increase filtration efficiency. The filtration device with cross-flow function consists of a filter, a case for containing the filter and a diffuser. There are an inlet and an outlet set on the case. The diffuser is set inside the filter along longitudinal direction. The diffuser consists of a reducing section, a throat section and a flared section for producing cross-flow so as to prevent the impurities and particles in the fluid to form cake on the inner surface of filter, so the operation time is therefore greatly increased. A drain outlet is set for adjusting the impurities and particles concentrations of the fluid inside the filter for further extending the effective operation time.

REFERENCES:
patent: 3725271 (1973-04-01), Giannotti
patent: 6461513 (2002-10-01), Jen

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