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    • 8. 发明专利
    • Rotary machine and internal unit of rotary machine
    • 旋转机和旋转机内部
    • JP2013072356A
    • 2013-04-22
    • JP2011211928
    • 2011-09-28
    • Mitsubishi Heavy Industries Compressor Corp三菱重工コンプレッサ株式会社
    • MASUDA TOMOHIROHIGASHIO ATSUSHI
    • F04D17/12F04D29/42F04D29/62
    • F04D29/4206F04D17/125F04D29/083F04D29/622F04D29/624F05D2230/64F05D2230/68
    • PROBLEM TO BE SOLVED: To provide a rotary machine that achieves easy maintenance by enabling simultaneous replacement of internal units, and allows the internal units to be taken out without securing a space around it.SOLUTION: This offshore centrifugal compressor 10 includes: a casing 11 vertically divided into two parts; and an internal unit 12 which is placed inside the casing 11 and including at least a rotor 19, a bearing part 20, and a seal part 21 integrally configured. The offshore centrifugal compressor further includes an axial movement restricting part for restricting relative movement in the axial direction between the casing 11 and the internal unit 12, the axial movement restricting part having at least one set of a fitting recess 16 provided in one of the casing 11 and the internal unit 12 and a fitting protrusion 25, 28 provided in the other component and fitting into the fitting recess 16. Tapered surfaces 18, 27 are formed in both the fitting recess 16 and the fitting protrusion 25, 28 so as to widen in the axial direction as they go radially inward.
    • 要解决的问题:提供一种通过同时更换内部单元来实现易于维护的旋转机器,并且允许在不确保内部单元的空间的情况下取出内部单元。 该海上离心压缩机10包括:垂直分为两部分的壳体11; 以及内部单元12,其被放置在壳体11内部并且至少包括转子19,轴承部20和整体构造的密封部21。 近海离心压缩机还包括轴向移动限制部件,用于限制壳体11和内部单元12之间的轴向相对运动,轴向运动限制部分具有设置在壳体11和壳体12的一个中的至少一组嵌合凹部16 11和内部单元12以及设置在另一部件中的嵌合突起25,28,并嵌合到嵌合凹部16中。锥形表面18,27形成在嵌合凹部16和嵌合突起25,28中,以便扩大 沿径向向内的轴向。 版权所有(C)2013,JPO&INPIT