US PATENT SUBCLASS 431 / 28
.~ Actuation sequence of electric feed heater and feed flow controller or igniter

Current as of: June, 1999
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431 /   HD   COMBUSTION

18  DF  TIMER, PROGRAMMER, RETARDER OR CONDITION RESPONSIVE CONTROL {26}
28.~ Actuation sequence of electric feed heater and feed flow controller or igniter

DEFINITION

Classification: 431/28

(under subclass 18) Apparatus which, on starting, provides for activation of an electrical heater for the burner or burner feed and subsequently for admission of fuel to the burner or for triggering of an igniter.