CPC Main Group
F02F 3/00 Pistons
10 direct subcodes
Child Classifications
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- F02F 3/02 having means for accommodating or controlling heat expansion
- F02F 3/10 having surface coverings (F02F3/02 takes precedence)
- F02F 3/16 having cooling means
- F02F 3/24 having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines
- F02F 3/26 having combustion chamber in piston head (the surface thereof being covered F02F3/14)
- F02F 3/28 Other pistons with specially-shaped head