(under the class definition) Apparatus having (1) means for cleaning or facilitating the cleaning of a part of a burner or (2) means for removing from a part of a burner feed material that has become undesirable in that part before, during, or after operation of the device.
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3, for a process of decarbonizing, cleaning or purging a burner assembly.
29+, for the automatic control of a scavenging period.
32, for the automatic control of cleaning means.
SEE OR SEARCH CLASS
137, Fluid Handling, 238+, for a fluid handling system of general utility having structure for cleaning or steam sterilization of the system.
239, Fluid Sprinkling, Spraying, and Diffusing,
106+, for a sprinkling, spraying or diffusing structure of general utility having a nozzle cleaner, flusher, or drainer; subclass 575 for a nozzle with a valve controlled feed line having a filter, sifter or screen; and subclass 590 for a nozzle having an interior filter or guide.
