by adjusting the capacity of dead spaces of working chambers

Full Title

Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups > by adjusting the capacity of dead spaces of working chambers

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