CPC Subgroup
F02B 33/32 Engines with pumps other than of reciprocating-piston type (with crankcase pumps F02B33/02)
Full Title
Engines characterised by provision of pumps for charging or scavenging > Engines with pumps other than of reciprocating-piston type (with crankcase pumps F02B33/02)
2 direct subcodes
Child Classifications
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- F02B 33/34 with rotary pumps (with cell-type pressure exchangers or the like F02B33/42)
- F02B 33/42 with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers