3D printed staged filtration media packs

This invention describes a filter made from many layers, each consisting of a wavy strip of solidified material. These strips are arranged horizontally but also droop downwards, forming a ring-shaped filter. Specifically, the filter has a cap with three to five wavy layers and a bottom with at least twenty wavy layers, with the outer edge being polygonal and the inner edge circular.

Why it matters: Since 2021, 3D printing has become more precise and affordable, making complex, layered filter designs like this easier to manufacture. This allows for more intricate and efficient filtration media to be produced economically.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: Moderate3D printer, custom annular design, layered structure

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