US PATENT SUBCLASS 432 / 146
.~.~.~.~ Plural burners longitudinal spaced in path

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
121  DF  .~ Having means by which work is progressed or moved mechanically {9}
136  DF  .~.~ Combustion products generated in or fed to chamber {4}
143  DF  .~.~.~ Having means forming work path from inlet to outlet {5}
146.~.~.~.~ Plural burners longitudinal spaced in path {1}
147  DF  .~.~.~.~.~> Radiant type

DEFINITION

Classification: 432/146

(under subclass 143) Apparatus in which fuel is fed into the work path at points spaced along the path for combustion in the path.