Combustion – Combustion products return structure – Recirculation about mixing or combustion chamber wall or baffle
Patent
1983-05-17
1984-09-25
Dority, Jr., Carroll B.
Combustion
Combustion products return structure
Recirculation about mixing or combustion chamber wall or baffle
431172, 431347, 431265, F23M 906
Patent
active
044733496
ABSTRACT:
Herein disclosed is a liquid hydrocarbon fuel combustor which includes a fresh air blast pipe disposed in a hole formed in the circumferential wall of a can-type body. The leading end of the blast pipe is opened toward a combustion chamber which is formed in the can-type body. A fuel atomizing nozzle is disposed in the blast pipe for atomizing a liquid hydrocarbon fuel from the leading end opening of the blast pipe into the combustion chamber. An electrode rod is disposed in the blast pipe for igniting and burning the mixture of the liquid fuel droplets, which are injected from the atomizing nozzle, and the fresh air which is blown from the blast pipe. A mixing tube is disposed in front of the leading end opening of the blast pipe in the atomizing direction such that it is coaxially connected to the blast pipe. The mixing tube has at least its front half counter-tapered in a diverging form. A flame holding plate is fixed upright in the mixing tube in a manner to face the atomizing direction of the nozzle and has a porous or reticulated construction. The connecting portion of the blast pipe and the mixing tube is formed with a gap which is so sized as to allow the combustion gas circulating along the inner wall of the combustion chamber to flow into a rear end opening of the mixing tube.
REFERENCES:
patent: 3741166 (1973-06-01), Bailey
patent: 3799732 (1974-03-01), Wilhelm
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