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    • 2. 发明专利
    • Improved pump impeller
    • 改进的泵叶轮
    • JP2010236555A
    • 2010-10-21
    • JP2010132224
    • 2010-06-09
    • Weir Minerals Australia Ltdウィアー・ミネラルズ・オーストラリア・リミテッドWeir Minerals Australia Ltd
    • WALKER CRAIG IANWATERMANN ANTON
    • F04D29/22F04D7/04F04D29/24
    • F04D29/2266F04D29/167
    • PROBLEM TO BE SOLVED: To reduce abrasion such as deep recesses to be locally caused in the surface of an impeller by taking flowing particles into a space between the impeller and a side linear with a vortex flow formed in the tip of an auxiliary vane of the impeller. SOLUTION: This impeller includes: a front shroud having opposed faces, an outer peripheral edge portion and a rotation axis; a plurality of pumping vanes on one of the faces of the front shroud and extending away from the rotation axis, each pumping vane having an outer peripheral edge portion; a rear shroud having pumping vanes between the front shroud and the rear shroud; and a plurality of auxiliary vanes (26) on the other face of the shroud, the auxiliary vanes of each having an outer edge portion wherein the dimension (Da) from the rotation axis to the outer peripheral edge portion of the front shroud is greater than the dimension (Db) from the rotation axis to the outer edge portion of the auxiliary vanes and greater than the dimension (Dc) from the rotation axis to the outer peripheral edge of the pump vane. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了减少在叶轮的表面中局部引起的磨损,例如通过将流动的颗粒流入叶轮与形成在助剂的尖端中的涡流之间的空间中的空间 叶轮叶片。 解决方案:该叶轮包括:具有相对面的前护罩,外周边缘部分和旋转轴线; 在所述前护罩的一个表面上并且远离所述旋转轴线延伸的多个泵送叶片,每个泵叶片具有外周缘部分; 后护罩,其在前护罩和后护罩之间具有泵送叶片; 以及在护罩的另一面上的多个辅助叶片(26),每个辅助叶片具有外缘部分,其中从前护罩的旋转轴线到外周边缘部分的尺寸(Da)大于 从辅助叶片的旋转轴线到外边缘部分的尺寸(Db)大于从泵叶片的旋转轴线到外周边缘的尺寸(Dc)。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Pump housing assembly equipped with nesting
    • 泵装置装配
    • JP2010265904A
    • 2010-11-25
    • JP2010159788
    • 2010-07-14
    • Weir Minerals Australia Ltdウィアー・ミネラルズ・オーストラリア・リミテッドWeir Minerals Australia Ltd
    • BURGESS KEVIN EDWARD
    • F04D29/42F04D7/04
    • F04D7/04F04D29/4286
    • PROBLEM TO BE SOLVED: To provide a pump housing assembly mitigating a defect that continuous turbulent flow in a level difference or in a clearance accelerates wear of a wear part if the wear is locally generated, and the local wear wears the whole nesting in the worst case, which exposes and wears a casing which traps pressure inside. SOLUTION: The pump housing assembly is equipped with the pump casing 12 and the nesting 20. The pump casing includes at least two components 13, 14. These components can be connected to each other in an assembled state. In the pump housing assembly, the pump casing is equipped with a front side part and a rear side part arranged in a back-to-back manner. In the assembled state, the two components of the pump casing have a common joint area arranged in one or two surfaces passing through the front side part and the rear side part of the pump casing. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供泵壳体组件,减轻了如果磨损局部产生时,水平差或间隙中的连续湍流加速磨损部件的磨损的缺陷,并且局部磨损磨损整个嵌套 在最坏的情况下,它暴露并穿着内部压力的套管。 解决方案:泵壳体组件配备有泵壳体12和嵌套20.泵壳体包括至少两个部件13,14。这些部件可以在组装状态下彼此连接。 在泵壳体组件中,泵壳体配备有以背对背方式布置的前侧部件和后侧部件。 在组装状态下,泵壳的两个部件具有布置在穿过泵壳的前侧部分和后侧部分的一个或两个表面中的共同接合区域。 版权所有(C)2011,JPO&INPIT