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發(fā)布時(shí)間: 2012-10-31 15:44
正文摘要:理論上不產(chǎn)生軸向力,若端面間隙不等,可能產(chǎn)生軸向力,可在葉輪上開(kāi)平衡孔消除(左下圖)。單側(cè)流道的旋渦泵,葉輪兩端壓力不同,指向流道方向的軸向力,小型泵可用止推軸承,可用液力自動(dòng)平衡 ... |
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