| 摘要 |
In the present invention there is disclosed an apparatus for treating a fluid contained in a conduit with a succession of radio frequency signals, which apparatus comprises a primary winding (72) of electrical wire mounted exteriorly of the conduit (12), means connected to the primary winding (72) for energizing the primary winding (72) to generate a succession of radio frequency signals, a core (78) made of magnetically permeable material and extending around the conduit (12) and through the primary winding (72) for generating in the fluid to be treated and contained in the conduit (12) an electromagnetic field having generally circular flux lines in generally co-axial relation with the axis of the conduit (12) and for propagating the field along the axis of the conduit (12) to treat the fluid upstream and downstream of the primary winding (72).
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