Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1978-05-01
1980-10-14
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combustion products generator
73355R, F02C 928
Patent
active
042273692
ABSTRACT:
Infra-red radiation detectors are used in gas turbine engines to detect radiation produced by the turbine blades giving an indication of blade temperature. Above a given limit the signal produced by the detector is passed to the fuel control system to shut down the fuel supply to the engine. An additional detector is provided which receives the same image as the first detector but is biased to detect radiation in the visible light part of the spectrum. When incandescent particles pass through the field of vision of the detectors both show an increase in signal due to both types of radiation being increased during this transient event. The signal from the second detector is used to reduce the signal from the first detector by an amount sufficient to prevent the fuel supply being temporarily shut down.
REFERENCES:
patent: 3584509 (1971-06-01), Compton et al.
patent: 3623368 (1971-11-01), Decker
patent: 3696678 (1972-10-01), Mossey
patent: 3715922 (1973-02-01), Menge
patent: 3899878 (1975-08-01), Compton et al.
patent: 3911435 (1975-10-01), Mardon et al.
patent: 3992943 (1976-11-01), Schiefer et al.
patent: 4037473 (1977-07-01), Compton et al.
Casaregola Louis J.
Rolls-Royce Limited
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