US PATENT SUBCLASS 431 / 350
FLAME HOLDER HAVING PROTECTIVE FLAME ENCLOSING OR FLAME STABILIZING STRUCTURE


Current as of: June, 1999
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431 /   HD   COMBUSTION

350FLAME HOLDER HAVING PROTECTIVE FLAME ENCLOSING OR FLAME STABILIZING STRUCTURE {2}
351  DF  .~> Including means feeding air axially spaced points of the flame {1}
353  DF  .~> Tubular member delineates flame


DEFINITION

Classification: 431/350

(under the class definition) Apparatus including a fuel discharge device specialized to combustion by (1) an enclosing means forming a combustion chamber having an unmodified discharge; (2) structure protecting the discharge means or its surroundings from localized heat produced by the combustion of the discharged fuel and not of general utility for protection in the discharge of any hot fluid; or (3) means for maintaining a steady flame.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23, for timer, programmer or condition responsive control of means protecting or shielding a burner assembly element from burner heat.

248, for a heat absorbing line section with a distinct baffle directing flame relative to the section.

249+, for a flame holder including a flame enclosure providing for access to the flame zone.

270, for an enclosed flame holder with means for holding and firing a cap, match or pellet type igniting charge within the enclosure.

310+, for a wick type burner with an air guide, distributor, or shield. 338+, and 342, for baffling means within the confines of a pot type burner.

346, for a burner with flashback controlling or preventing structure.

347+, for an incandescing or reflecting component in the

flame area.

SEE OR SEARCH CLASS

137, Fluid Handling,

377+, for a fluid handling system of general application having a guard or shield.

239, Fluid Sprinkling, Spraying, and Diffusing,

103, for a nozzle not specialized to combustion carrying an apertured shield and collector, subclasses 104+, for a sprinkler sprayer or diffuser not specialized to combustion having a soil preventing guard or shield, subclasses 132+, for a sprinkler, sprayer, or diffuser of general application having a heat exchanger in the terminal element, e.g., injection nozzle cooling, subclasses 288+, for a sprinkler, sprayer, or diffuser not specialized to combustion having a solid means as a guard or protector and subclasses 461+, for a sprinkler, sprayer, or diffuser not specialized to combustion with flow deflecting or rotation controlling means.