(under subclass 233) Apparatus having more than one fuel burning means arranged in the motive fluid stream so that one of the fuel burning means reheats the motive fluid stream issuing from another of the means and the fuel flow to a plurality of said burning means is controlled in response to a sensed condition.
(1) Note. See glossary under subclass 205 for the meaning of fuel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
243, for a disclosure of burners in series but wherein the fuel flow to one of the burners only is controlled in response to a sensed condition.