Power plants – Combustion products used as motive fluid
Patent
1997-05-02
1999-12-14
Kim, Ted
Power plants
Combustion products used as motive fluid
60723, 60733, 431 7, F23R 340, F23R 334
Patent
active
060002123
ABSTRACT:
A catalytic combustion chamber is provided with at least two catalytic combustion zones arranged in flow series. In a first mode of operation fuel is supplied from first fuel injectors, positioned upstream of the first catalytic combustion zone, into the catalytic combustion chamber and is burnt in the first catalytic combustion zone in order to preheat the subsequent catalytic combustion zones. In the second mode of operation the supply of fuel to the first fuel injectors is reduced and fuel is supplied from second fuel injectors positioned between the first catalytic combustion zone and the second catalytic combustion zone into the space between the first catalytic combustion zone and the second catalytic combustion zone. This prevents the first catalytic zone becoming overheated, and reduces the possibility of the second and third catalytic combustion zones becoming overheated and allows the optimum catalyst to be selected for the first catalytic combustion zone.
REFERENCES:
patent: 4375949 (1983-03-01), Salooja
patent: 4534165 (1985-08-01), Davis et al.
patent: 4926645 (1990-05-01), Iwai et al.
Awdry Serpil
Kolaczkowski Stanislaw I.
Scott-Scott John L.
Kim Ted
Rolls-Royce plc
Taltavull W. Warren
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