| 摘要 |
<p>A tubular or cylindrical filter structure 10 consists of a plurality of ring-shaped elements 12 disposed in stacked relation by connecting rods 18 and supporting a filtering media 20. The filtering media 20 is disposed inside or outside the ring-shaped elements, depending on the direction of fluid flow therethrough. The ring-shaped elements protect the filtering media 20 from tensile or compressive forces generated by the fluid flow, and at the same time present an open structure.</p> |
