characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F04C28/10)

Introduced: January 2006

Title

Titles differ between systems:

IPC: characterised by varying the volume of the working chamber

CPC: characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F04C28/10)

Full Title

Full titles differ between systems:

IPC:

Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids > characterised by varying the volume of the working chamber

CPC:

Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids > characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F04C28/10)

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2006.

Child Classifications

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F04C 28/185 CPC only CPC only
F04C 28/20 by changing the form of the inner or outer contour of the working chamber since 2006 IPC+CPC Available in IPC and CPC
F04C 28/22 by changing the eccentricity between cooperating members since 2006 IPC+CPC Available in IPC and CPC