Liquid purification or separation – Structural installation – Closed circulating system
Reexamination Certificate
2005-03-22
2005-03-22
Pham, Minh-Chau T. (Department: 1724)
Liquid purification or separation
Structural installation
Closed circulating system
C210S188000, C210S416500, C210S512100, C210S416400, C210S419000, C210S420000, C055S337000
Reexamination Certificate
active
06869527
ABSTRACT:
A filter facility includes a filter device received in a container and having a housing for receiving a number of filter particles. The housing includes a peripheral partition extended into the chamber from a bottom panel, and a plate disposed on top of the peripheral partition to form a compartment within the peripheral partition and the plate, and to form a peripheral space between the peripheral partition and a peripheral wall of the housing. The housing includes a number of apertures formed in the peripheral wall and the peripheral partition and the plate to increase a flowing area of the fluid through the housing.
REFERENCES:
patent: 4783271 (1988-11-01), Silverwater
patent: 4865632 (1989-09-01), Yano et al.
patent: 5066391 (1991-11-01), Faria
patent: 5209842 (1993-05-01), Moor
patent: 5225081 (1993-07-01), Brownawell
patent: 5500093 (1996-03-01), Marsden
patent: 6296765 (2001-10-01), Brown et al.
patent: 6464863 (2002-10-01), Nguyen
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