US PATENT SUBCLASS 431 / 309
.~.~ Having air guide or distributor


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



431 /   HD   COMBUSTION

298  DF  FIBROUS WICK TYPE FLAME HOLDER {9}
302  DF  .~ Tubular wick having central supporting and air supplying structure {3}
309.~.~ Having air guide or distributor


DEFINITION

Classification: 431/309

(under subclass 302) Apparatus including structure in addition to the interior air passage for directing or distributing air into the flame zone of the wick.

SEE OR SEARCH THIS CLASS, SUBCLASS:

195, for a combustion annulus having air feeding perforations above a fuel distributor, e.g., wick etc.