| 摘要 |
The invention comprises an improved design of a radial gas turbine assembly that is held together by a bolt secured to the turbine rotor and extending through a bore in members aligned with the rotor, the bolt having no centering contact with the walls of the bore, at least in the portion adjacent the turbine rotor. The connection between the bolt and the turbine rotor comprises a hollow sleeve of a heat resistant material that is a relatively poor conductor of heat, said sleeve having a clearance with respect to the bore in the order of 0.05 mm. The sleeve is connected to the bolt and to a pin protruding from the turbine rotor in such a way that the ends of the pin and the bolt respectively are kept a substantial distance apart.
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