| 摘要 |
A fluid filter has an annular filter element and a particular annular seal, which has axial first and second surfaces, an outer circumferential surface, and an inner circumferential surface. The seal includes a sealing protrusion, defined by the axial first surface of the annular seal, with a section forming an axially oriented seal surface, as well as a filter element receptacle defined by the axial second surface. The receptacle receives an axial end of the annular filter element therein. To assist with installation, a feature defining a helix is included as part of the inner circumferential surface of the annular seal, and forms part of a radially oriented seal, surface.
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