Disk assembly and turbine including the same
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United States of America Patent
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Apr 28, 2020
Grant Date -
Jun 1, 2017
app pub date -
Nov 23, 2016
filing date -
Dec 1, 2015
priority date (Note) -
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Abstract
A disk assembly includes a first disk, a second disk and a third disk. The first disk is engaged with a compressor section of a gas turbine. The second disk is engaged with a turbine section of the gas turbine. The third disk is disposed between the first and second disks and transfers a rotational torque applied to the second disk to the first disk. A through-hole is defined through the third disk along an axial direction of the gas turbine. A distance between the third disk and a tie rod is less than each of distances between the first and second disks and the tie rod, such that spaces are defined by surfaces of the third disk respectively in communication with the compressor section and the turbine section.
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