Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1986-05-16
1987-09-15
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60740, 60746, 60756, 746756, F02C 100, F02G 300
Patent
active
046930744
ABSTRACT:
The present invention relates to combustion apparatus for gas turbine engines.
An annular combustion chamber of a gas turbine engine comprises an upstream wall formed from a single metal skin. The upstream wall has a plurality of equi-spaced apertures, and a convergent/divergent pot is positioned coaxially with each aperture and extends in an upstream direction therefrom. Each convergent/divergent pot has a radial swirler assembly positioned a its upstream end to supply air into the convergent/divergent pot. A fuel injector is aligned with each convergent/divergent pot and radial swirler assembly to supply fuel into the convergent/divergent pot. A plurality of annular air scoops extend in an upstream direction from the upstream wall, and each annular air scoop is positioned coaxially around a convergent/divergent pot to supply air to the radial swirler assembly. The downstream end of each convergent/divergent pot has apertures for supplying cooling air over the downstream face of the upstream wall.
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Le Febvre, Arthur H., Gas Turbine Combustion, 9/1983, pp. 8 and 100-102.
Pidcock Anthony
Wray Andrew P.
Casaregola Louis J.
Rolls-Royce plc
Thorpe Timothy S.
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