AXIAL FLOW COMPRESSOR AND GAS TURBINE EQUIPPED WITH AXIAL FLOW COMPRESSOR
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United States of America Patent
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Issued Date -
Feb 4, 2016
app pub date -
Jul 30, 2015
filing date -
Aug 1, 2014
priority date (Note) -
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Abstract
An axial flow compressor comprising: a rotor blade and a stator blade to intake air from an atmosphere and compress the air; a wheel to secure the rotor blade; a casing to secure the stator blade; wherein a wheel dovetail which is machined on an outer circumferential surface of the wheel to have a certain angle with respect to a rotational axis of the axial flow compressor; and a rotor blade dovetail which is machined on an inner circumferential side of the rotor blade to secure by being fitted to the wheel dovetail, characterized in that: a cut surface is formed on at least one of an upstream side and a downstream side of the rotor blade dovetail by cutting a part of the rotor blade dovetail in a surface form.
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