Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Introduced: January 2006

Classification Context

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

8 direct subcodes

Navigate with arrow keys, Enter to open

F04C 28/02 specially adapted for several pumps connected in series or in parallel
F04C 28/04 specially adapted for reversible pumps
F04C 28/06 specially adapted for stopping, starting, idling or no-load operation
F04C 28/08 characterised by varying the rotational speed
F04C 28/1 characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
F04C 28/18 characterised by varying the volume of the working chamber
F04C 28/24 characterised by using valves controlling pressure or flow rate, e.g. discharge valves
F04C 28/28 Safety arrangements; Monitoring