(under the class definition) Apparatus in which a flame holder has means simultaneously discharging fuel in a high velocity stream and in a supplemental lower velocity stream, the lower velocity stream acting as pilot to reignite the high velocity stream upon accidental flame out.
SEE OR SEARCH THIS CLASS, SUBCLASS:
278+, for structurally related flame holding sections, one separately supplied or controlled; and
286, for a burner having means transmitting flame between separate flame holding sections.
SEE OR SEARCH CLASS
239, Fluid Sprinkling, Spraying, and Diffusing, 548+, for a sprinkling, spraying or diffusing device of general utility having unitary plural outlet means in the device; and subclass 601, for a particular orifice shape for such a device.
