Gas turbine engine combustion chamber having premixed homogeneou

Details Gas turbine engine combustion chamber having premixed homogeneou Gas turbine engine combustion chamber having premixed homogeneou

1997-05-09

2000-08-22

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

60723, F23R 314, F02C 7228

Patent

active

061053600

ABSTRACT:
A gas turbine engine combustion chamber comprises a primary combustion zone and a secondary combustion zone downstream of the primary combustion zone. A catalytic combustion zone is arranged downstream of the secondary combustion zone and a homogeneous combustion zone is arranged downstream of the catalytic combustion zone. A pilot injector supplies fuel into the primary combustion zone. At least one primary premixing duct has a plurality of primary fuel injectors to supply a first mixture of fuel and air into the primary combustion zone. A secondary premixing duct has a plurality of secondary fuel injectors to supply a second mixture of fuel and air into the secondary combustion zone. A plurality of temperature sensors are arranged at the intake to the catalytic combustion zone and a processor controls the valves which adjust the supply of fuel the fuel injectors to ensure that the temperature at the intake to the catalytic combustion zone remains in a predetermined temperature range.

REFERENCES:
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patent: 5452574 (1995-09-01), Cowell et al.
patent: 5461855 (1995-10-01), Inoue et al.
patent: 5623819 (1997-04-01), Bowker et al.

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