CPC Main Group
F01B 11/00 Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
7 direct subcodes
Child Classifications
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- F01B 11/02 Equalising or cushioning devices
- F01B 11/04 Engines combined with reciprocatory driven devices, e.g. hammers
- F01B 11/08 with direct fluid transmission link