Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1991-12-13
1993-05-11
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
60752, 60754, F02C 100
Patent
active
052090663
ABSTRACT:
The present invention relates to a combustion chamber having a counter-flow arrangement in which a first chamber portion mixes the fuel with the primary oxidizer, which mixture is ignited and burned in the first chamber portion. The exhaust gases from the first chamber portion pass into a second chamber portion in which dilution oxidizer air is added to the burned gases. The orientations of the first chamber portion and the second chamber portion are such that the gases pass through the chamber portions in substantially opposite directions, in a counter-flow arrangement. The first chamber portion in which the combustion takes place, provides only primary oxidizer to the fuel mixture, there being no further communication between the interior of the first chamber portion and the oxidizer air supply. This prevents the leaning of the fuel/air mixture in order to reduce the emissions of nitrogen oxide. The mixing of secondary oxidizer air with the exhaust gases takes place solely in the second chamber portion.
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Energygram, A Multifuel, Low-Emission Gas Turbine, 2301 N.T.I.S. Tech Notes (1984) Apr., A-K, Springfield, Va. USA.
Barbier Gerard Y. G.
Bardey Xavier M. H.
Desaulty Michel A. A.
Meunier Serge M.
Bertsch Richard A.
Richman Howard R.
Societe Nationale d'Etude et de Construction de Moteurs
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