Power plants – Combustion products used as motive fluid – With variable oxidizer control
Patent
1981-07-02
1984-01-24
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
With variable oxidizer control
60 3927, 60 3929, 60737, 60748, 239417, F02C 7042
Patent
active
044268416
ABSTRACT:
An improved gas turbine engine combustor assembly particularly for automotive application including a primary reaction chamber disposed in a pressurized air plenum of the engine, fixed area air flow ports between the reaction chamber and the plenum, a prechamber housing at an upstream end of the reaction chamber having an annular fixed area air passage between the plenum and the reaction chamber, a radially expandable annular partition in the air passage dividing the latter into an inner annular prechamber portion and an outer annular excess air portion, and a fuel nozzle operative to spray fuel into the prechamber portion where it vaporizes and mixes with air passing through the prechamber portion to provide a combustible mixture of properly lean air-fuel ratio in the combustor. The flow areas of the prechamber portion and the excess air portion vary in mutually inverse relationship and combine to always substantially equal the flow area of the air passage.
REFERENCES:
patent: 2690213 (1954-09-01), Collinson
patent: 3618319 (1971-11-01), Kydd
patent: 3648457 (1972-03-01), Bobo
patent: 4171612 (1979-10-01), Zwick
patent: 4255927 (1981-03-01), Johnson et al.
Cornelius Walter
Klomp Edward D.
Casaregola Louis J.
General Motors Corporation
Schwartz Saul
Stout Donald E.
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