characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

Introduced: January 2006

Full Title

Full titles differ between systems:

IPC:

Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations > characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

CPC:

Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (of pumps or pumping installations specially adapted for elastic fluids F04C28/00) > characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2006.

Child Classifications

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F04C 14/12 using sliding valves since 2006 IPC+CPC Available in IPC and CPC
F04C 14/14 using rotating valves since 2006 IPC+CPC Available in IPC and CPC
F04C 14/16 using lift valves since 2006 IPC+CPC Available in IPC and CPC