Filter assembly comprising filter elements and a filter grid

Details Filter assembly comprising filter elements and a filter grid Filter assembly comprising filter elements and a filter grid

2007-02-27

2007-02-27

Smith, Duane (Department: 1724)

Gas separation

Multiple bag type filters in chamber

C055S302000, C055S484000, C095S280000, C095S286000

Reexamination Certificate

active

10509399

ABSTRACT:
A filter assembly having a plurality, preferably at least substantially vertically mounted, longitudinal elongated filter elements that are suitable for separating fluid from solid particles, having an open upper end sealed into a sealing device and a closed bottom end attached to a filter support that is mounted on a filter grid, in which the filter grid has a plurality of grid elements together forming a grid, wherein at least a portion of the cross-section of the grid elements between two adjacent filter elements is pointiform. The invention further pertains to a filter grid and a filter vessel containing at least one filter assembly.

REFERENCES:
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patent: 4960448 (1990-10-01), Zievers
patent: 6658988 (2003-12-01), Dries
patent: 0551951 (1995-07-01), None
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patent: 87/07180 (1987-12-01), None
“The Dynamics of Fine Powder”, K. Rietema, 1991, Esevier Science Publishers Ltd., pp. 53-56.

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