Combustion chamber arrangement with a pre-combustion chamber for

Details Combustion chamber arrangement with a pre-combustion chamber for Combustion chamber arrangement with a pre-combustion chamber for

1987-06-18

1990-01-16

Price, Carl D.

Combustion

Combustion products return structure

431 9, 431 10, 431158, 431351, 60750, 60755, F23L 100

Patent

active

048940054

ABSTRACT:
The pre-combustion chamber (1), in which liquid fuel is burnt sub-stoichiometrically, is connected upstream of a secondary combustion chamber (16), in which complete combustion takes place over-stoichiometrically. The sub-stoichiometric quantity of combustion air (11) for the pre-combustion chamber (2) is injected close to the wall from the outlet duct (3) upwards into the casing (2), which has a heart-shaped axial cross-section. The injection nozzles (7) for the fuel are positioned so that the jets of fuel (8) shield the layer of combustion air close to the wall from the partially burnt combustion mixture flowing through the outlet duct (3) into the secondary combustion chamber (16). At the end of the outlet duct (3) the quantity of auxiliary air required for complete combustion in the secondary combustion chamber (16) is added to the partially burnt combustion mixture.

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Search Report issued in corresponding European Patent Application, together with references.

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