Gas turbogroup

Details Gas turbogroup Gas turbogroup

2008-03-06

2009-08-04

Kim, Ted (Department: 3741)

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

C060S760000, C060S806000

Reexamination Certificate

active

07568335

ABSTRACT:
In a gas turbogroup, which comprises a compressor, a first combustion chamber, a first turbine, a second combustion chamber, and a second turbine, the first combustion chamber is arranged downstream of the compressor, the first turbine is arranged downstream of the first combustion chamber, the second combustion chamber is arranged downstream of the first turbine, and the second turbine is arranged downstream of the second combustion chamber, wherein the second combustion chamber has a convectively cooled wall. A cooling air feed line for the second combustion chamber branches from the main flow path of the gas turbogroup downstream of the compressor and upstream of the first combustion chamber. A return line for heated cooling air leads from the second combustion chamber upstream of the first turbine to the main flow path.

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PCT/ISA/210 for PCT/EP2006/065369, Nov. 27, 2006.
PCT/ISA/237 for PCT/EP2006/065369, Nov. 27, 2006.

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