by varying the relative positions of a swash plate and a cylinder block

Introduced: January 1995

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 > by varying the relative positions of a swash plate and a cylinder block

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 1/322 by moving the swash plate in a direction perpendicular to the axis of rotation of the cylinder barrel
F04B 1/324 by changing the inclination of the swash plate
F04B 1/328 by changing the inclination of the axis of the cylinder barrel relative to the swash plate