CPC Subgroup
F02B 41/02 Engines with prolonged expansion
Full Title
Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power > Engines with prolonged expansion
4 direct subcodes
Child Classifications
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- F02B 41/04 in main cylinders
- F02B 41/06 in compound cylinders
- F02B 41/10 in exhaust turbines (use of exhaust turbines for charging F02B37/00)