Stored energy, wide energy range turbine starting system

Details Stored energy, wide energy range turbine starting system Stored energy, wide energy range turbine starting system

1989-12-07

1992-08-11

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

60727, F02C 918

Patent

active

051368382

ABSTRACT:
Difficulties with starting reliability and/or combustion stability in hot gas generating systems are avoided in a construction including a storage vessel (36) for storing an oxidant; a fuel supply (22) and a combustion chamber (26) having an outlet (30) for hot gas. A fuel injection nozzle (28) provides fuel from the supply (22) to the combustion chamber (26) while an oxidant duct (44) connects the vessel (36) to the combustion chamber (26). A choked orifice (46) is disposed in the duct (44) just upstream of the combustion chamber (26) and a bypass duct (50) interconnects the combustion chamber outlet (30) and the oxidant duct (44) between the choked orifice (46) and the combustion chamber (26). A selectively operable valve (53) is disposed in the bypass duct (50) and a pressure regulator (42) is disposed in the oxidant duct (44) for selectively controlling the pressure of oxidant applied to the choked orifice (46).

REFERENCES:
patent: 2611239 (1952-09-01), Briggs
patent: 2742758 (1956-04-01), Kelly
patent: 2858672 (1958-11-01), Clark
patent: 2873577 (1959-02-01), Kenney et al.
patent: 4161102 (1979-07-01), Jasas et al.
patent: 4777793 (1988-10-01), Weigand et al.
patent: 4815277 (1989-03-01), Vershure et al.
patent: 4864812 (1989-09-01), Rodgers et al.

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