초록 ▼

A gas turbine is disclosed having at least one turbine stage with hot gas flowing axially through the one stage. At least one balance piston is provided on the shaft to equalize an axial thrust and is located adjacent to at least a first pressurized fluid chamber. The first pressurized fluid chamber

A gas turbine is disclosed having at least one turbine stage with hot gas flowing axially through the one stage. At least one balance piston is provided on the shaft to equalize an axial thrust and is located adjacent to at least a first pressurized fluid chamber. The first pressurized fluid chamber is adjacent to a hot gas intake of the turbine stage and is separated from at least a second pressurized fluid chamber by a first transfer gasket co-acting with the balance piston. Pressurized fluid within the first fluid chamber has a pressure greater than the pressure of the hot gas in the vicinity of a hot gas intake. A cooling system is connected to the second fluid chamber for supplying a cooling fluid. A slot of the first transfer gasket is selected so that a pressure difference between the first and second fluid chambers at least partially brings the axial thrust into equalization through the balance piston.

대표청구항 ▼

A gas turbine engine, comprising: a first turbine stage having a first power fluid intake means for supplying a hot power fluid flow through the first turbine stage; balance piston means for equalizing an axial thrust of the gas turbine engine; first and second pressurized fluid chambers located adj

A gas turbine engine, comprising: a first turbine stage having a first power fluid intake means for supplying a hot power fluid flow through the first turbine stage; balance piston means for equalizing an axial thrust of the gas turbine engine; first and second pressurized fluid chambers located adjacent to first and second sides of the balance piston means respectively; means for introducing a fluid at a first predetermined pressure into the first pressurized fluid chamber; means for introducing a fluid at a second predetermined pressure into the second pressurized fluid chamber, the second pressure being less than the first pressure; the first power fluid intake means being adjacent to the first pressurized fluid chamber with the hot power fluid therein at a pressure lower than the pressure of the first pressurized fluid chamber; and first transfer gasket means for maintaining a pressure difference between the first and second chambers, the gasket means coacting with the balance piston means.