Gas-turbine combustor with load-responsive premix burners

Details Gas-turbine combustor with load-responsive premix burners Gas-turbine combustor with load-responsive premix burners

1997-11-26

2000-07-25

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60739, F02C 926

Patent

active

060923628

ABSTRACT:
A gas-turbine combustor (1) provided with a plurality of premix burners (2-a, 2-b) and a diffusion burner (8) and capable of varying the number of the operating premix burners according to the variation of load thereon comprises fuel pipes (3-a, 3-b, 9) connected to the burners, flow control valves (4-a, 4-b, 10) placed respectively in the fuel pipes, a pressure control valves (6, 12) placed in fuel pipes (5, 11), a fuel distribution setting device (14) for controlling the respective openings of the flow control valves according to load, and a pressure ratio setting device (15) for controlling the respective openings of the pressure control valves when the condition of the flow control valves is changed.

REFERENCES:
patent: 4716719 (1988-01-01), Takahashi et al.
patent: 5272637 (1993-12-01), Urushidani et al.
patent: 5806299 (1998-09-01), Bauermeister

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