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PCE
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DIFF Subgroup
F04B 27/20

of pumps with rotary cylinder block

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders > having cylinders coaxial with, or parallel or inclined to, main shaft axis > Control > of pumps with rotary cylinder block

CPC:

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders (multi-stage pumps specially adapted for elastic fluids F04B25/00) > having cylinders coaxial with, or parallel or inclined to, main shaft axis > Control > of pumps with rotary cylinder block

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

IPC defines codes here since 1995.

Child Classifications

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  • F04B 27/22 by varying the relative positions of a swash plate and a cylinder block since 1995 IPC+CPC Available in IPC and CPC