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公开(公告)号：EP2908012A2
公开(公告)日：2015-08-19
申请号：EP15152319.8
申请日：2015-01-23
申请人： McFinn Technologies
CPC分类号： F04D7/04 , F04D29/2216 , F04D29/426
摘要： An improved impeller (10) and a casing (37) for a centrifugal pump are disclosed. The impeller (10) comprises vanes (14a,b) which sweep an arc around an impeller axis (18) to provide a smooth path past the impeller (10) and through the pump. The casing (37) is constructed to allow maximum flow rate at the eye of the impeller (10) then shrink the flow channel to reduce internal recirculation promote efficiency, further limiting the effect of damaging forces. The impeller (10) is suited for use in pumps in which a high head is required and in which only low shear forces must be applied to the fluid moving through the pump.
摘要翻译： 公开了一种用于离心泵的改进的叶轮（10）和壳体（37）。 叶轮（10）包括叶片（14a，b），其围绕叶轮轴线（18）扫过圆弧以提供经过叶轮（10）并通过泵的平滑路径。 壳体（37）被构造成允许在叶轮（10）的眼睛处的最大流量然后收缩流动通道以减少内部再循环促进效率，进一步限制损坏力的影响。 叶轮（10）适用于需要高压头的泵，其中只有低剪切力必须施加到移动通过泵的流体。
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公开(公告)号：EP2908012A3
公开(公告)日：2015-12-30
申请号：EP15152319.8
申请日：2015-01-23
申请人： McFinn Technologies
CPC分类号： F04D7/04 , F04D29/2216 , F04D29/426
摘要： An improved impeller (10) and a casing (37) for a centrifugal pump are disclosed. The impeller (10) comprises vanes (14a,b) which sweep an arc around an impeller axis (18) to provide a smooth path past the impeller (10) and through the pump. The casing (37) is constructed to allow maximum flow rate at the eye of the impeller (10) then shrink the flow channel to reduce internal recirculation promote efficiency, further limiting the effect of damaging forces. The impeller (10) is suited for use in pumps in which a high head is required and in which only low shear forces must be applied to the fluid moving through the pump.
摘要翻译： 公开了一种用于离心泵的改进的叶轮（10）和壳体（37）。 叶轮（10）包括围绕叶轮轴线（18）扫弧的叶片（14a，b），以提供经过叶轮（10）并穿过泵的平滑路径。 壳体（37）构造成允许叶轮（10）的眼部处的最大流速然后收缩流动通道以减少内部再循环提高效率，从而进一步限制破坏力的影响。 叶轮（10）适用于需要高压头的泵，并且其中只有低剪切力必须施加到流过泵的流体。
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