CPC Definition - Subclass F23H
This place covers:
All details of combustion grates, including all relevant accessories and peripheral devices such as driving mechanisms or cooling arrangements for example, independently from the type of solid fuel which is supported and burned on the grate.
This place does not cover:
Inlets for fluidisation air for fluidised bed combustion apparatus
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Arrangements or mountings of grates in stoves or ranges
Arrangements or mountings of grates in incinerators
Attention is drawn to the following places, which may be of interest for search:
In this place, the following terms or expressions are used with the meaning indicated:
a mixture of gases containing free oxygen and able to promote or support combustion
air supplied to the burning fuel in order to liberate combustible gases
air supplied to the combustible gases liberated by the primary air in order to complete their combustion. The term "secondary air" covers "tertiary air" etc.
means any solid combustion residues, for example remaining in the fuel bed or suspended in the flue gases
a device by which fluid fuel or solid fuel suspended in air is passed to a combustion space where it burns to produce a self-supporting flame
means the direct combination of oxygen gas, e.g. in air and a burnable substance
a chamber in which fuel is burned to establish a self-supporting fire or flame and which surrounds that fire or flame
the part of the apparatus where the reaction takes place between air and fuel
any gaseous products of combustion
a perforated surface, e.g. a grid which supports or delimits a bed of burning fuel and serves to supply primary air
In patent documents, the following words/expressions are often used with the meaning indicated:
This place covers:
All grates somehow moved as a whole, thus including also vibrating grates.