having cylinders coaxial with, or parallel or inclined to, main shaft axis

Introduced: September 1968

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

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

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1995.

Child Classifications

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F04B 27/0804 +4 CPC CPC only CPC only
F04B 27/0873 +3 CPC CPC only CPC only
F04B 27/10 having stationary cylinders since 1995 +2 CPC IPC+CPC Available in IPC and CPC
F04B 27/14 Control since 1995 IPC+CPC Available in IPC and CPC