US PATENT SUBCLASS 431 / 123
.~.~ Feed orifice penetrating


Current as of: June, 1999
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431 /   HD   COMBUSTION

121  DF  WITH APPARATUS CLEANING, PURGING OR SCAVENGING MEANS {1}
122  DF  .~ Scraping or clearing member {1}
123.~.~ Feed orifice penetrating


DEFINITION

Classification: 431/123

(under subclass 122) Apparatus wherein the movably mounted member moves through a feed flow control or discharge orifice.

SEE OR SEARCH CLASS

137, Fluid Handling,

244+, for a fluid handling system in which a mechanical cleaning member reciprocates in a passage.

239, Fluid Sprinkling, Spraying, and Diffusing,

117+, for a nozzle of general utility in which a scraping or clearing member moves through the spray opening.