| 摘要 |
A filter for a fluid filtration apparatus which includes a containment envelope made from a filtration medium. The envelope has an inlet, an exterior surface, an interior. The envelope is wound in a spiral configuration with the inlet end centrally positioned thereby forming a spiral filtration core. The spiral filtration core has a central feed passage that communicates with the inlet of the envelope. When mixed fluids are directed into the central feed passage, a first fluid passes through the filtration medium forming the envelope and migrates along the exterior surface of the envelope to exit the spiral filtration core, and a second fluid unable to pass through the filtration medium migrates along the interior of the envelope.
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