CPC Definition - Subclass F28G
This place covers:
Apparatus and methods for removing deposits from surfaces in contact with heat-exchange media.
This place does not cover:
Cleaning tubes or pipes in general | |
Removing incrustation in apparatus for thermal non-catalytic cracking of hydrocarbon oils | |
Non-mechanical removal of metallic material from surfaces | |
Cleaning metallic materials by chemical methods | |
Cleaning engines cooling systems | |
Devices for removing water, salt, or sludge from boilers | |
Cleaning combustion chambers | |
Cleaning arrangements for water heaters | |
Removing ice from heat exchanger | |
Preventing the formation of deposits or corrosion |
This place covers:
Cleaning devices comprising a non-rotary cleaning element, e.g. arranged for linear motion or for back and forth movement.
Attention is drawn to the following places, which may be of interest for search:
Cleaning the internal surfaces of tubes by the mechanical action of a moving fluid, e.g. by flushing | |
The cleaning devices being moved along the pipes by a fluid and conforming to, or being conformable to substantially the same cross-section of the pipes | |
Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means | |
Soot-blowers for cleaning furnaces |
This place covers:
Cleaning devices comprising rotatable cleaning elements, e.g. arranged for turning arount at least one axis; Cleaning devices comprising movable cleaning elements, wherein the movement is a combination of a non-rotary movement and a rotary movement.
This place covers:
Cleaning devices performing a cleaning action by producing vibrations on the heat exchange surfaces, e.g. by using knocking devices, or by using pressure pulses, or by producing detonations or explosions.
This place does not cover:
Cleaning by distortion |
This place covers:
Cleaning devices performing a cleaning action by contacting the heat exchange surfaces with a solvent and/or by flowing a washing fluid through the heat exchange conduits.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Cleaning tubes by the mechanical action of a moving fluid, e.g. by flushing | |
Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents | |
Cleaning metal pipes by chemical methods | |
Devices for preventing or removing corrosion, slime or scale from water heaters | F24H19/00 |
This place covers:
Cleaning devices, performing a cleaning action by contacting the heat exchange surfaces with flames or high temperature fumes for burning the deposits.
This place does not cover:
Cleaning by detonations | |
Cleaning by increasing temperature of heat exchange surfaces |
This place covers:
Other cleaning devices or processes, e.g. cleaning by laser, cleaning by oxidation, cleaning by action of bubbles
This place covers:
Details of cleaning devices, e.g. control arrangements.
This place does not cover:
Measuring thickness of deposits |