US PATENT SUBCLASS 110 / 211
.~.~ Means directing main flame or combustion products for afterburning

Current as of: June, 1999
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110 /   HD   FURNACES

203  DF  WITH EXHAUST GAS TREATMENT MEANS {5}
210  DF  .~ Afterburning means {3}
211.~.~ Means directing main flame or combustion products for afterburning

DEFINITION

Classification: 110/211

Means directing main flame or combustion products for

afterburning:

(under subclass 210) Apparatus wherein means is associated with the main burner to direct a portion of the flame into an afterburning zone spaced from the main combustion zone or to redirect the gaseous products of combustion through the flame of the main burner.