US PATENT SUBCLASS 431 / 238
.~ Unheated fuel supply to flame holder

Current as of: June, 1999
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431 /   HD   COMBUSTION

207  DF  HEATED LINE SECTION FEEDS FLAME HOLDER {19}
238.~ Unheated fuel supply to flame holder {1}
239  DF  .~.~> Heated feed aspirates or atomizes fuel

DEFINITION

Classification: 431/238

(under subclass 207) Apparatus including means whereby unheated fuel is supplied either (1) directly to the flame holder or (2) to the line delivering feed to the flame holder downstream of the heated section.