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

Introduced: January 2006

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2006.

Child Classifications

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F04C 28/02 specially adapted for several pumps connected in series or in parallel since 2006 IPC+CPC Available in IPC and CPC
F04C 28/04 specially adapted for reversible pumps since 2006 IPC+CPC Available in IPC and CPC
F04C 28/06 specially adapted for stopping, starting, idling or no-load operation since 2006 +1 CPC IPC+CPC Available in IPC and CPC
F04C 28/08 characterised by varying the rotational speed since 2006 IPC+CPC Available in IPC and CPC
F04C 28/10 characterised by changing the positions of the inlet or outlet openings with respect to the working chamber since 2006 IPC+CPC Available in IPC and CPC
F04C 28/18 characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F04C28/10) since 2006 +1 CPC IPC+CPC Available in IPC and CPC
F04C 28/24 characterised by using valves controlling pressure or flow rate, e.g. discharge valves (F04C28/10 takes precedence) since 2006 IPC+CPC Available in IPC and CPC
F04C 28/28 Safety arrangements; Monitoring since 2006 IPC+CPC Available in IPC and CPC