US PATENT SUBCLASS 431 / 40
.~.~.~ By linear expansion of feed holder

Current as of: June, 1999
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431 /   HD   COMBUSTION

18  DF  TIMER, PROGRAMMER, RETARDER OR CONDITION RESPONSIVE CONTROL {26}
36  DF  .~ Of or by burner feed supply heating structure {2}
37  DF  .~.~ By controlling admittance of feed to structure {3}
40.~.~.~ By linear expansion of feed holder

DEFINITION

Classification: 431/40

(under subclass 37) Apparatus including structure by which variation in length of a fluid containing section of the feed heating structure is utilized in the actuation of a feed admission controller.