Gas turbine combustor
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 1, 2022
Grant Date -
Sep 24, 2020
app pub date -
Mar 21, 2017
filing date -
Mar 21, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A gas turbine combustor provided with: a plurality of swirler tubes that are disposed inside a combustor basket and impart a swirl to a premixed gas, the premixed gas being obtained by premixing a fuel and air for combustion; and an outer ring that is disposed between the plurality of swirler tubes and the combustor basket with a gap provided between the outer ring and the combustor basket, and generates film-shaped air inside a combustor transition piece connected to the combustor basket via injection through the gap into the combustor transition piece, and at a downstream end of the outer ring, the outer ring includes a tapered surface formed such that the outer ring gradually decreases in thickness from an upstream side toward a downstream side.
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