FIELD: machine building.
SUBSTANCE: rotor of gas turbine consists of section on side of compressor and of section on side of turbine containing separate parts compressed one to another and united into one rotor unit by means of tie rod. Each part of the rotor has an orifice for the tie rod. The orifice passes in axial direction of the rotor and the tie rod passes through this orifice at a distance from parts of the rotor. An additional part of the rotor is positioned between the section of the rotor on the turbine side and the section of the rotor in the compressor side. This additional part corresponds to a support wheel connected to the tie rod ensuring power and/or geometric locking. The additional part of the rotor on the side of connection with the tie rod is of a barrel-type profile. Another invention of the group refers to the blade heat machine containing the above said rotor.
EFFECT: increased reliability of rotor of gas turbine due to reduced amplitude of oscillations of tie rod.
11 cl, 5 dwg
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Authors
Dates
2011-05-27—Published
2008-02-15—Filed