US PATENT SUBCLASS 431 / 212
.~.~.~ Another feed heated before being fed to section

Current as of: June, 1999
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431 /   HD   COMBUSTION

207  DF  HEATED LINE SECTION FEEDS FLAME HOLDER {19}
210  DF  .~ Heated section supplied by separate diverse feeds, e.g., water and fuel, etc. {1}
211  DF  .~.~ One feed heated before being fed to section {1}
212.~.~.~ Another feed heated before being fed to section

DEFINITION

Classification: 431/212

(under subclass 211) Apparatus including means to heat the other unmixed fluid prior to feeding it to the feed line at the common point.