Dual rate burner construction and method of making the same

摘要

A dual rate burner construction and method of making the same are provided, the dual rate burner construction comprising a burner housing having an inlet for receiving fuel from a source thereof and an outlet through which the fuel can issue to produce flames exterior to the burner housing when the issued fuel has been ignited, a flame spreader carried by the burner housing for spreading the flames into a desired heating pattern thereof for a heating purpose when the fuel is being directed into the inlet at a full rate of flow thereof and for directing the flames into a desired standby pattern thereof when the fuel is being directed into the inlet at a standby rate of flow thereof, and a flame sensing unit carried by the construction for detecting the presence of the flames, the flame sensing unit being carried by the flame spreader in a spaced relation to the burner housing.