Turbine with at least one rotor which comprises rotor disks and a tie-bolt
AssigneeSiemens Aktiengesellschaft
InventorsFrancois Benkler, Ulrich Ehehalt, Harald Hoell, Walter Loch, Peter-Andreas Schneider
Life of this patent
Estimating the term…
Abstract
A gas turbine is provided. The gas turbine includes at least one rotor, having rotor blades arranged on the periphery of rotor disks in a plurality of radial planes, and a tie-bolt extending along slots in the rotor disks and holding the rotor disks together as a unit. At least one annular spacer for fixing the position of the tie-bolt in relation to the center line of the rotor disks is also provided. The spacer includes through-openings that are arranged radially in relation to the tie-bolt or to its center line and that extend coaxially.
Claims19
A gas turbine, comprising:
- a rotor which includes a plurality of rotor blades arranged in a plurality of planes on a periphery of a plurality of rotor disks;
- and
- a tie-bolt,
- wherein the tie-bolt extends along a first recess in the plurality of rotor disks and holds the plurality of rotor disks together as a unit,
- wherein an inner annular passage and/or an outer annular passage in the rotor encompasses the tie-bolt,
- wherein within the inner annular passage and/or the outer annular passage an annularly designed spacer is provided for fixing a position of the tie-bolt relative to a center line of the rotor,
- wherein the spacer includes a plurality of second recesses, the plurality of second recesses are arranged radially to the tie-bolt or to the center line and extend coaxially,
- wherein the inner annular passage and/or the outer annular passage is used for guiding a cooling medium through and is delimited by an inner separation pipe and/or an outer separation pipe radially on the outside, and
- wherein the plurality of second recesses serve as through-openings for the cooling medium,
- wherein the spacer is a spring-elastic ring element.
Dependencies are inferred from the claim text.