of machines or pumps with rotary cylinder blocks

Introduced: September 1968

Last revised: January 2020

Full Title

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinder axes coaxial with, or parallel or inclined to, main shaft axis > Control > of machines or pumps with rotary cylinder blocks

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
Subclass:: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS

3 direct subcodes

Child Classifications

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F04B 1/303 by turning the valve plate
F04B 1/306 by turning the swash plate, e.g. with fixed inclination
F04B 1/32 by varying the relative positions of a swash plate and a cylinder block