Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

Subclass:

MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES

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