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PCE
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DIFF Subgroup
F04D 25/12

the unit being adapted for mounting in apertures

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pumping installations or systems specially adapted for elastic fluids > Units comprising pumps and their driving means > the working fluid being air, e.g. for ventilation > the unit being adapted for mounting in apertures

CPC:

Pumping installations or systems (controlling F04D27/00) > Units comprising pumps and their driving means > the working fluid being air, e.g. for ventilation > the unit being adapted for mounting in apertures

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F04D 25/14 and having shutters, e.g. automatically closed when not in use IPC+CPC Available in IPC and CPC