Combustion – Means at chamber outlet establishing combustion pressure... – Chamber outlet forms jet nozzle
Patent
1987-05-01
1989-05-16
Dority, Jr., Carroll B.
Combustion
Means at chamber outlet establishing combustion pressure...
Chamber outlet forms jet nozzle
431351, F23D 1500
Patent
active
048306045
ABSTRACT:
A process and apparatus for burning fuel includes supplying fuel and primary air to the upstream end portion of a longitudinally extending precombustion chamber having a longitudinally extending outer wall. Fuel and primary air are flowed in a longitudinal downstream direction through the precombustion chamber while self-sustained combustion is maintained in the precombustion chamber by partially precombusting, mixing and heating the mixture of fuel and primary air. The uncombusted fuel and combustion products are flowed through a primary nozzle at the downstream end of the precombustion chamber. Secondary air is flowed longitudinally in a downstream direction through a longitudinally extending secondary air chamber having a longitudinally extending outer wall surrounding the outer wall of the precombustion chamber. The longitudinally flowing secondary air is heated while it cools the outer wall of precombustion chamber. The secondary air is mixed with the uncombusted fuel and combustion products exiting the primary nozzle. The secondary air, uncombusted fuel and combustion products are flowed through a secondary nozzle at the downstream end of the secondary air chamber. The mixture of secondary and uncombusted fuel are combusted.
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Donlee Technologies Inc.
Dority Jr. Carroll B.
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