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    • 7. 发明专利
    • Centrifugal pump
    • 离心泵
    • JP2014141913A
    • 2014-08-07
    • JP2013010102
    • 2013-01-23
    • Saginomiya Seisakusho Inc株式会社鷺宮製作所
    • NAKANO SEIICHI
    • F04D13/06F04D29/42
    • F04D29/628F04D13/0633F04D29/026F04D29/0467F04D29/426F04D29/4273F04D29/4293F05D2230/232F05D2260/33F05D2300/10
    • PROBLEM TO BE SOLVED: To provide a centrifugal pump capable of being fixed by heating treatment such as welding, brazing or solvent welding, capable of using a metal case and piping high in airtightness, and capable of being used for fluid requiring pressure resistance and airtightness.SOLUTION: In a centrifugal pump 10, a body case 34 includes: an upper body case 36; a lower body case 48 fixed on the upper body case 36; and a blade case 68 partitioning an inner space S1 formed by the upper body case 36 and the lower body case 48, forming a fluid introduction flow passage 84 in an upper part and forming a rotation part storage space S2 for storing a rotary blade member 12 in a lower part. Joining parts of the upper body case 36, the lower body case 48 and the blade case 68 are fixed in the sealed state, and joining parts of an intake side joint member 42 and the body case 34, and joining parts of a delivery side joint member 46 and the body case 34 are fixed in the sealed state.
    • 要解决的问题:提供能够通过诸如焊接,钎焊或溶剂焊接的加热处理固定的离心泵,能够使用高密度的金属外壳和管道,并且能够用于需要耐压性和气密性的流体 解决方案:在离心泵10中,主体壳体34包括:上主体壳体36; 固定在上壳体36上的下体壳体48; 以及分隔由上主体壳体36和下主体壳体48形成的内部空间S1的叶片壳体68,在上部形成流体引入流路84,并形成用于存储旋转叶片构件12的旋转部分收纳空间S2 在下半部分。 上部壳体36,下部主体壳体48和叶片壳体68的接合部分被固定在密封状态,并且进气侧接头部件42和主体壳体34的接合部分和接合部分 构件46和主体壳体34被固定在密封状态。