|
|
| SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
|
| F 02 | COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F 01) |
|
| F 02 F | CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES (specially adapted for rotary-piston or oscillating-piston internal-combustion engines F 02 B; specially adapted for gas-turbine plants F 02 C; specially adapted for jet-propulsion plants F 02 K) |
|
| Notes |
|
| (1) | Attention is drawn to the Notes preceding class F 01. |
|
| (2) | Class F 16 takes precedence over this subclass, except for subject matter specific to combustion engines. |
|
1/ | 00 | Cylinders; Cylinder heads (in general F 16 J) |
|
1/ | 02 | . | having cooling means (cylinder heads F 02 F 1/26) |
|
1/ | 04 | . | . | for air cooling |
|
1/ | 06 | . | . | . | Shape or arrangement of cooling fins; Finned cylinders |
|
1/ | 08 | . | . | . | . | running-liner and cooling-part of cylinder being different parts or of different material |
|
1/ | 10 | . | . | for liquid cooling |
|
1/ | 12 | . | . | . | Preventing corrosion of liquid-swept surfaces |
|
1/ | 14 | . | . | . | Cylinders with means for directing, guiding, or distributing liquid stream |
|
1/ | 16 | . | . | . | Cylinder liners of wet type |
|
1/ | 18 | . | Other cylinders |
|
1/ | 20 | . | . | characterised by constructional features providing for lubrication |
|
1/ | 22 | . | . | characterised by having ports in cylinder wall for scavenging or charging |
|
1/ | 24 | . | Cylinder heads |
|
1/ | 26 | . | . | having cooling means |
|
1/ | 28 | . | . | . | for air cooling |
|
1/ | 30 | . | . | . | . | Finned cylinder heads |
|
1/ | 32 | . | . | . | . | . | the cylinder heads being of overhead-valve type |
|
1/ | 34 | . | . | . | . | . | with means for directing or distributing cooling medium (F 02 F 1/32 takes precedence) |
|
1/ | 36 | . | . | . | for liquid cooling |
|
1/ | 38 | . | . | . | . | the cylinder heads being of overhead-valve type |
|
1/ | 40 | . | . | . | . | cylinder heads with means for directing, guiding, or distributing liquid stream (F 02 F 1/38 takes precedence) |
|
1/ | 42 | . | . | Shape or arrangement of intake or exhaust channels in cylinder heads |
|
3/ | 00 | Pistons (in general F 16 J) |
|
3/ | 02 | . | having means for accomodating or controlling heat expansion |
|
3/ | 04 | . | . | having expansion-controlling inserts |
|
3/ | 06 | . | . | . | the inserts having bimetallic effect |
|
3/ | 08 | . | . | . | the inserts being ring-shaped |
|
3/ | 10 | . | having surface coverings (F 02 F 3/02 takes precedence) |
|
3/ | 12 | . | . | on piston heads |
|
3/ | 14 | . | . | . | within combustion chambers |
|
3/ | 16 | . | having cooling means |
|
3/ | 18 | . | . | the means being a liquid or solid coolant, e.g. sodium, in a closed chamber in piston |
|
3/ | 20 | . | . | the means being a fluid flowing through or along piston |
|
3/ | 22 | . | . | . | the fluid being liquid |
|
3/ | 24 | . | having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines |
|
3/ | 26 | . | having combustion chamber in piston head (the surface thereof being covered F 02 F 3/14) |
|
3/ | 28 | . | Other pistons with specially-shaped head |
|
5/ | 00 | Piston rings, e.g. associated with piston crown |
|
7/ | 00 | Casings, e.g. crankcases (engine casings in general F 16 M) |
|
11/ | 00 | Arrangements of sealings in combustion engines (piston rings F 02 F 5/00; sealings per se F 16 J) |
|
 |