Combustion chamber with variable oxidizer intakes

Details Combustion chamber with variable oxidizer intakes Combustion chamber with variable oxidizer intakes

1994-04-15

1995-03-21

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

60 3937, F02C 900, F23R 326

Patent

active

053984951

ABSTRACT:
A generally annular combustion chamber for a gas turbine engine is disclosed having fuel injector assemblies, each with an oxidizer swirler, extending through an upstream end wall of the combustion chamber and control means connected to the control diaphragms of the oxidizer swirlers in order to move the control diaphragms between maximum and minimum flow positions. The upstream end wall of the combustion chamber defines complementary oxidizer intake orifices which have movable closure plates to selectively open or close the complementary oxidizer intake orifices. A mechanical linkage connects the closure plates to the control diaphragm of an adjacent air swirler such that, when the control diaphragms are in their maximum flow positions, the closure plates close the complementary oxidizer intake orifices, and when the control diaphragms are in their minimum flow positions, the closure plates are moved such that the complementary oxidizer intake orifices are fully open.

REFERENCES:
patent: 3078672 (1963-02-01), Meurer
patent: 3490230 (1970-01-01), Pillsbury et al.
patent: 3577878 (1971-05-01), Greenwood
patent: 3952501 (1976-04-01), Saintsbury
patent: 4766722 (1988-08-01), Bayle-Laboure et al.
patent: 5159807 (1992-11-01), Forestieer
patent: 5317863 (1994-06-01), Ciccia et al.

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