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    • 2. 发明公开
    • PUMPENGEHÄUSE AUS EINEM MAGNETISCHEN UND EINEM NICHTMAGNETISCHEN MATERIAL
    • PUMPENGEHÄUSEAUS EINEM MAGNETISCHEN UND EINEM NICHTMAGNETISCHEN MATERIAL
    • EP3011184A1
    • 2016-04-27
    • EP14738377.2
    • 2014-06-20
    • Heraeus Deutschland GmbH & Co. KG
    • KEITEL, OliverGEBERT, Jörg-Martin
    • F04D3/00F04D13/06F04D29/02F04D29/52
    • F04D13/0606F04D3/00F04D13/024F04D29/026F04D29/181F04D29/528F05D2230/20F05D2230/40F05D2300/10F05D2300/133F05D2300/17F05D2300/20F05D2300/507
    • The invention relates to a pump device, comprising i) an impeller; ii) a pump housing surrounding an inner region, at least partially, having an inlet and an outlet, wherein the impeller is provided in the inner region of the pump housing. In at least one plane (Q) vertically to the longitudinal extension of the pump housing, the wall of the pump housing has at least one first sub-region and at least two additional sub-regions. The at least one first sub-region contains at least 60 weight percent, based on the total mass of the at least one first sub-region, of at least one non-magnetic material, wherein the additional sub-regions contain at least 41 weight percent, based on the total mass of the additional sub-regions, of at least one ferromagnetic material. In the plane (Q), each addition sub-region is adjacent to at least one first sub-region, wherein the at least one first sub-region and the additional sub-regions are connected to one another in a material-fit manner. The invention further relates to a housing comprising the features as described for the pump housing. The invention further relates to a method for producing a pump housing, the method comprising the steps: a) Providing a first material; b) providing a further material; c) forming a pump house precursor, wherein at least one first sub-region of the pump housing is formed of the first material, and wherein at least two additional sub-regions of the pump housing are formed of the further material; and d) treating the pump housing precursor at a temperature of at least 300 ⁰C.
    • 本发明的一个方面涉及一种包括叶轮的泵装置; 围绕内部区域并具有入口和出口的泵壳体。 叶轮设置在泵壳体的内部区域。 泵壳体的壁具有至少一个第一子区域和至少一个垂直于泵壳体的纵向延伸部分的平面中的至少两个另外的子区域。 所述至少一个第一子区域至少包含至少一个非磁性材料的至少60重量%,基于所述至少一个第一子区域的总质量。 所述另外的子区域包括至少41%(重量),基于所述另外的子区域的总质量,至少一种铁磁材料,其中每个另外的子区域与所述平面中的至少一个第一子区域相邻。