Combustor with first and second zones

Details Combustor with first and second zones Combustor with first and second zones

1989-11-30

1998-05-12

Nelson, Peter A.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60733, 60737, 60746, F02C 308, F02C 100

Patent

active

057492190

ABSTRACT:
A high performance annular combustor for a gas turbine engine powering aircraft consisting of a primary combustion zone with the fuel nozzles and air swirlers in the dome and having typical combustion/dilution air holes in the liner and a secondary zone downstream of the primary zone having fuel nozzles and air swirlers operational solely when the primary zone is at a predetermined stoichiometric condition and issuing fuel which is at parity with the fuel/air ratio of the primary zone.

REFERENCES:
patent: 3934409 (1976-01-01), Quillevere et a
patent: 4112676 (1978-09-01), DeCorso
patent: 4420929 (1983-12-01), Jorgensen et al.
patent: 4683715 (1987-08-01), Iizuka et al.
patent: 4785623 (1988-11-01), Reynolds
Lefebvre, Arthur H. Gas Turbine Combustion, McGraw Hill, 1983. pp. 477-490.

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