US PATENT SUBCLASS 431 / 278
SEPARATELY SUPPLIED OR CONTROLLED, PHYSICALLY RELATED FLAME HOLDERS, E.G., DIVERSE FUELS, PILOT AND MAIN, ETC.

Current as of: June, 1999
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431 /   HD   COMBUSTION

278SEPARATELY SUPPLIED OR CONTROLLED, PHYSICALLY RELATED FLAME HOLDERS, E.G., DIVERSE FUELS, PILOT AND MAIN, ETC. {7}
279  DF  .~> Relatively movable
280  DF  .~> By multiway valve
281  DF  .~> Correlated controls
282  DF  .~> Adjustable wick
283  DF  .~> Three mounted in cross igniting relationship
284  DF  .~> Coaxial
285  DF  .~> Having common flame chamber or shield means

DEFINITION

Classification: 431/278

(under the class definition) Apparatus including two flame holding structures or sections physically related to each other, one of said structures or sections being operable independently of the other because of, (1) independent fuel supplies, or (2) a distinct separately actuatable controller or valve passage regulating the discharge to one of the structures or sections.

SEE OR SEARCH THIS CLASS, SUBCLASS:

191+, for one burner igniting another by flash of flame through a conduit.

220, for burner assembly having a feed line for one flame holder heated by a separately supplied pot type burner.

236+, for a feed line for one burner heated by an auxiliary burner.

SEE OR SEARCH CLASS

137, Fluid Handling,

599+, for a fluid handling system dividing a flow stream into parallel paths with recombining (e.g., pilot and main flame paths feeding a burner etc.).

239, Fluid Sprinkling, Spraying, and Diffusing,

444+, for a fluid discharge system of broader application having valving means controlling flow to selective terminal outlets.