Selective partitioning capacity based filter media

Details Selective partitioning capacity based filter media Selective partitioning capacity based filter media

2011-08-09

2011-08-09

Kurtz, Benjamin (Department: 1778)

Liquid purification or separation

Plural distinct separators

Filters

C210S322000, C210S767000

Reexamination Certificate

active

07993520

ABSTRACT:
A method is provided for filtering a fluid. The method includes the step of selecting a first surface filtration medium to include layers of a first mesh material (FMM). The method also includes the step of selecting a second surface filtration medium to include layers of a second mesh material (SMM). The layers of FMM are selected to include a first number of layers (FNL) for collectively providing a first absolute micron filter rating (FAMFR) and a first capacity for collecting a first type of particles. The layers of SMM are selected to include a second number of layers (SNL) different from the FNL. The SNL is selected for collectively providing a second absolute micron filter rating (SAMFR). The SAMFR is different from the FAMFR. The SNL is also selected for providing a second capacity for collecting a second type of particles. The second capacity is different from the first capacity.

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