Engines characterised by provision of pumps for charging or scavenging

Introduced: September 1968

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F02B 33/02 Engines with reciprocating-piston pumps; Engines with crankcase pumps IPC+CPC Available in IPC and CPC
F02B 33/32 Engines with pumps other than of reciprocating-piston type (with crankcase pumps F02B33/02) IPC+CPC Available in IPC and CPC
F02B 33/44 Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs +2 CPC IPC+CPC Available in IPC and CPC