US PATENT SUBCLASS 431 / 146
.~ Movably or removably mounted cover for flame holder

Current as of: June, 1999
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431 /   HD   COMBUSTION

144  DF  BURNER CAP, COVER OR EXTINGUISHER {2}
146.~ Movably or removably mounted cover for flame holder {6}
147  DF  .~.~> Cover bars oxidizer from catalyst
148  DF  .~.~> Connected to lamp chimney or its support
149  DF  .~.~> And distinct snuffer within cover
150  DF  .~.~> Cover operatively interconnected with feed controller or feed pump
151  DF  .~.~> And windshield within covered zone
152  DF  .~.~> Pivotally mounted

DEFINITION

Classification: 431/146

(under subclass 144) Apparatus comprising structure movably or removably mounted with respect to a flame holder section of a burner assembly forming an enclosure, plug, or cap for enclosing, sealing, or embracing the flame holder, which structure renders the burner nonusable when in one position and exposes the flame holding section to the atmosphere, e.g., oxidizer, when in another position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34, for a snuffer responsive to tilting of a burner.

129+, for a movable flame holder cover with an interrelated igniter.

251, for a flame enclosure movably mounted for access.