Turbine vane arrangement
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United States of America Patent
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Dec 12, 2017
Grant Date -
Aug 13, 2015
app pub date -
Aug 22, 2013
filing date -
Sep 7, 2012
priority date (Note) -
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Abstract
A guide vane arrangement of a gas turbine and a method of manufacturing a guide vane arrangement of a gas turbine are provided herein. The guide vane arrangement includes a first guide vane device including a first radially inner platform and a first number of first airfoils, and a second guide vane device including a second radially inner platform and a second number of second airfoils. The first guide vane device and the second guide vane device are arranged along a circumferential direction of the turbine, wherein the first number of the first airfoils differs to the second number of the second airfoils. The first guide vane device is designed with a higher heat resistance than the second guide vane device.
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