| 摘要 |
A barrel type centrifugal turbo-machine having an outer casing and an inner casing assembly fitted into the outer casing, which inner casing assembly includes a rotor shaft and a plurality of stage structures and a head cover provided around the shaft. A pushing member is provided adjacent to an inlet end stage structures, one end wall thereof abutting to this end stage structure and the other end wall thereof being held on the shaft by means of a lock nut, whereby upon tightening this lock nut against the pushing member each of the stage structures and head cover of the inner casing assembly may be fixed each other in a cartridge like form which is ready to be inserted into the outer casing. |
