Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1991-02-06
1993-01-12
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60746, 60738, F23R 334, F23R 354, F02C 305
Patent
active
051779560
ABSTRACT:
In order to facilitate operation in a wide variety of operating conditions, and to enhance ultra high altitude starting capability while eliminating start injectors, a radial turbine engine (10) includes a pair of fuel injection zones (24 and 26). The radial turbine engine (10) also includes a turbine wheel (12) coupled to a rotary compressor (14) for axially driven movement, an annular nozzle (16) for directing gases of combustion radially at the turbine wheel (12), and an annular combustor (17). The annular combustor (17) defines an annular combustion space disposed about the turbine wheel (12) and in fluid communication with both the compressor (14) and the nozzle (16), and it receives fuel from a source and air from the compressor (14) which are combusted in the combustion space to generate the gases of combustion. The radial turbine engine (10) is such that the annular combustor (17) is defined by an annular outer wall (18), an annular inner wall (20), and a radial wall (22) extending between the inner and outer walls (20 and 18) axially opposite the nozzle (16). In order to achieve the objectives of the invention, the fuel injection zone(s) (24 and 26) include a plurality of air or oxidant assist fuel atomization injectors (28 and 30) disposed in circumferentially spaced relation, and the injectors (28 and 30) are adapted to inject atomized fuel generally tangentially into the annular combustion space.
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Bertsch Richard A.
Sundstrand Corporation
Thorpe Timothy S.
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