having cylinder axes coaxial with, or parallel or inclined to, main shaft axis

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinder axes coaxial with, or parallel or inclined to, main shaft axis

CPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > having cylinder axes coaxial with, or parallel or inclined to, main shaft axis

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F04B 1/122 Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014) since 2020 IPC+CPC Available in IPC and CPC
F04B 1/128 Driving means since 2020 IPC+CPC Available in IPC and CPC
F04B 1/14 having stationary cylinders IPC+CPC Available in IPC and CPC
F04B 1/20 having rotary cylinder block IPC+CPC Available in IPC and CPC
F04B 1/26 Control IPC+CPC Available in IPC and CPC