US PATENT SUBCLASS 431 / 2
PROCESS OF COMBUSTION OR BURNER OPERATION

Current as of: June, 1999
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431 /   HD   COMBUSTION

2PROCESS OF COMBUSTION OR BURNER OPERATION {8}
3  DF  .~> Decarbonizing, cleaning or purging
4  DF  .~> Feeding flame modifying additive
5  DF  .~> Burning waste gas, e.g., furnace gas, etc.
6  DF  .~> Starting or shutdown procedure
7  DF  .~> In a porous body or bed, e.g., surface combustion, etc.
8  DF  .~> Flame shaping, or distributing components in combustion zone {2}
11  DF  .~> Heating feed
12  DF  .~> Controlling or proportioning feed

DEFINITION

Classification: 431/2

(under the class definition) Processes pertaining to: burning fuel, operating a burner, or starting combustion.

SEE OR SEARCH CLASS

110, Furnaces,

341+, for methods of operating refuse incinerators and solid fuel furnaces.

137, Fluid Handling,

3+, for a process not specialized to combustion for the mixing of plural fluids of diverse characteristics or conditions. 239, Fluid Sprinkling, Spraying, and Diffusing,

1+, for a process of sprinkling, spraying or diffusing a fluid (e.g., fuel) not specialized to combustion.

588, Hazardous or Toxic Waste Destruction or Containment, appropriate subclasses for the operation of a burner and the starting of combustion using as a fuel hazardous or toxic waste wherein destruction of the waste is an objective of the process.