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    • 65. 发明专利
    • Rotor for turbomachine
    • 涡轮转子
    • JP2010116918A
    • 2010-05-27
    • JP2009257612
    • 2009-11-11
    • Atlas Copco Energas Gmbhアトラス・コプコ・エネルガス・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング
    • BOSEN WERNER
    • F04D29/42F01D25/16F02C7/06F16C25/02
    • F01D5/02F01D21/06F01D25/168F02C6/12F02C7/36F04D25/163F04D29/0513F05D2220/40F16C17/04F16C39/02F16C2240/46F16C2360/24
    • PROBLEM TO BE SOLVED: To provide a rotor for a turbomachine capable of avoiding contact of an array of blades 13 of an impeller 4 with a casing wall 14 of the turbomachine when an overload is applied to thrust bearings 6 and 6' in regard to a rotor 1 for the turbomachine, which includes at least one shaft 2 and impellers 4 and 5 and in which the rotor 1 is guided by the thrust bearings 6 and 6'. SOLUTION: The rotor (1) is provided with at least one pushing flange-like part (10) and (10') as an additional guide element in the axial direction. Looseness (S K ) and (S K ') between pushing flange-like part surfaces (17) and (17') and stopper surfaces (11) and (11') of a gear (12) are larger than looseness (S L ) and (S L ') of the thrust bearings (6) and (6'). With this structure, in normal operation, guide in the axial direction is performed by the thrust bearing (6) and (6'). The pushing flange-like parts (10) and (10') do not relay guide in the axial direction until an overload is applied to the thrust bearings (6) and (6'). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种用于涡轮机的转子,其能够避免当叶轮4的叶片13的阵列与涡轮机的壳体壁14接触时,当对推力轴承6和6'施加过载时 涉及用于涡轮机的转子1,其包括至少一个轴2和叶轮4和5,其中转子1由推力轴承6和6'引导。 解决方案:转子(1)在轴向方向上设置有至少一个作为附加引导元件的推动凸缘状部分(10)和(10')。 在推动法兰状部件表面(17)和(17')和止动表面(11)和(11')之间的松动度(S K )和(S K“ )大于推力轴承(6)和(6')的松动度(S L )和(S L ')。 采用这种结构,在正常操作中,推力轴承(6)和(6')在轴向引导。 推动法兰状部件(10)和(10')不会在轴向方向上引导引导件,直到对止推轴承(6)和(6')施加过载。 版权所有(C)2010,JPO&INPIT