CPC Definition - Subclass F02F
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:
This place covers:
All applications of a single piece forming the cylinder and the cylinder head.
This place does not cover:
Cylinder heads |
This place covers:
Running-liner and cooling-part of cylinder being different parts or of different material:
Only for air cooled engines, e.g. different materials used for the liners and the cooling fins.
This place covers:
Siamese-type cylinders, i.e. cylinders cast together:
Attention is drawn to the following places, which may be of interest for search:
Arrangement for cooling cylinders or cylinder heads |
This place covers:
All measures taken for combating corrosion in water cooled engines.
Attention is drawn to the following places, which may be of interest for search:
Engines with means for preventing corrosions of gas swept spaces |
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:
Internal-combustion piston engines or combustion engines in general with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders |
Attention is drawn to the following places, which may be of interest for search:
Mechanisms for driving three or more intake valves per cylinder |
This place covers:
Separate deviation element inside the intake channel. E.g. a butterfly valve or an insert placed just before the valve seat.
This place covers:
Liners in both intake and exhaust channel.
This place does not cover:
Liners in intake channels only | |
Liners in exhaust channels only |
This place covers:
Structural features, e.g. fins, apertures and arrangements for dissipating heat
This place covers:
Liquid cooling means:
In patent documents, the following words/expressions are often used as synonyms:
- "cooling channel cover" and "ring carrier"
This place covers:
Combustion engine casings, e.g. crankcases or frames, e.g. rigid supports for cylinders or crankcases.
Attention is drawn to the following places, which may be of interest for search:
Engine casings in general |
Attention is drawn to the following places, which may be of interest for search:
Oil sump details |
Attention is drawn to the following places, which may be of interest for search:
Acoustic insulation for internal-combustion piston engines or combustion engines in general |
This place covers:
Arrangement of sealings in combustion engines
This place does not cover:
Piston rings for combustion engines |
Attention is drawn to the following places, which may be of interest for search:
Sealings per se |