| 摘要 |
A device comprises a housing (10) having an interior space (11) for containing fluid, an inlet for letting in fluid to the housing (10), an outlet for letting out fluid from the housing (10), an element (20) which is arranged inside the housing (10), and means (31, 32) which are arranged in the housing (10) as well and which serve for guiding the fluid from the inlet side of the housing (10) to the outlet side of the housing (10), around the element (20). The fluid guiding means comprise two zigzag-shaped components (31, 32) extending along at least a portion of the element (20) and, as a combination, providing complete coverage of the element (20) in a circumferential direction, i.e. a direction around the element (20), wherein the zigzag-shaped components (31, 32) partly overlap in the circumferential direction.
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