Primary fuel nozzle having dual fuel capability

Details Primary fuel nozzle having dual fuel capability Primary fuel nozzle having dual fuel capability

2006-02-21

2006-02-21

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S742000, C060S737000, C060S748000

Reexamination Certificate

active

07000403

ABSTRACT:
A fuel nozzle and gas turbine combustor capable of operating on multiple fuels with reduced carbon build-up to the fuel nozzle and adjacent combustor components is disclosed. The fuel nozzle incorporates a reconfigured gas fuel assembly and mixing tube to eliminate known areas of recirculation. Furthermore, the liquid fuel assembly includes reconfigured spray characteristics to further reduce droplet interaction with the mixing tube.

REFERENCES:
patent: 3853273 (1974-12-01), Bahr et al.
patent: 4342198 (1982-08-01), Willis
patent: 5228283 (1993-07-01), Sciocchetti
patent: 5295352 (1994-03-01), Beebe et al.
patent: 5355670 (1994-10-01), Sciocchetti
patent: 5833141 (1998-11-01), Bechtel, II et al.
patent: 6123273 (2000-09-01), Loprinzo et al.
patent: 6655145 (2003-12-01), Boardman

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