초록 ▼

Component members of a gas turbine engine are cooled by using an engine having a compressor for introducing air into the engine. A combustor is downstream from the compressor which has a casing, and a liner positioned in the casing. The liner is spaced apart from the casing such that a mixing region

Component members of a gas turbine engine are cooled by using an engine having a compressor for introducing air into the engine. A combustor is downstream from the compressor which has a casing, and a liner positioned in the casing. The liner is spaced apart from the casing such that a mixing region is positioned between the liner and the casing. The liner has a combustor inlet at the upstream end of the combustor. A turbine, which typically consist of one or more stages having cooling passages therein, is positioned downstream from the combustor. A steam conduit is connected to a steam inlet and the steam inlet is connected to the casing. The inlet has at least one inlet hole which connects the steam inlet with the mixing region and the inlet hole is downstream from the combustor inlet. A passageway is positioned between the mixing region and the turbine cooling passage and the passageway is downstream of the steam inlet hole. In operation steam is introduced into the mixing region downstream of the combustor inlet such as to form an air and steam mixture and then the air and steam mixture is introduced into the cooling passage.

대표청구항 ▼

A turbine engine, comprising: a compressor for introducing compressed air into said engine; a combustor downstream from said compressor, said combustor comprising a casing, and a liner dispersed within and spaced apart from said casing such as to form a mixing region between the liner and the casing

A turbine engine, comprising: a compressor for introducing compressed air into said engine; a combustor downstream from said compressor, said combustor comprising a casing, and a liner dispersed within and spaced apart from said casing such as to form a mixing region between the liner and the casing, wherein said liner forms a combustor inlet at the upstream end of said combustor and said mixing region receives at least a portion of said compressed air, and said liner is formed such as to allow flow between the mixing region and the combustion zone; a turbine downstream from said combustor, said turbine having a cooling passage therein; means for introducing steam into said mixing region downstream of said combustor inlet such as to form an air and stream mixture; and means for introducing said air and stream mixture into said cooling passage.