Scroll for a combustion system
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United States of America Patent
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Oct 23, 2001
Issued Date -
N/A
app pub date -
Feb 7, 2000
filing date -
Feb 8, 1999
priority date (Note) -
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Abstract
A scroll for a gas turbine having a compressor for generating compressed air and a combustor for receiving the compressed air and generating combustion gas of high temperature, the scroll includes a scroll main body having a predetermined space in which the combustion gas of high temperature supplied by the combustor can flow; and a scroll housing encompassing the scroll main body and separated a predetermined distance therefrom, wherein a path through which compressed air flows is formed between the scroll main body and the scroll housing, and the compressed air flows in the path, wherein one end of the path is connected to an outlet of the compressor and the other end thereof is open toward the combustor. Thus, as the amount of air flowing to cool the scroll sharply increases, an increase in the temperature of the scroll is prevented and the efficiency of cooling and durability of the scroll can be improved. Also, as all the compressed air flowing in the combustor is used for cooling of the scroll, in advance, the temperature of the air in the combustor increases so that the efficiency of combustion can be improved.
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