DIFF Subgroup
F02B 33/34 with rotary pumps (with cell-type pressure exchangers or the like F02B33/42)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with rotary pumps
CPC: with rotary pumps (with cell-type pressure exchangers or the like F02B33/42)
Full Title
Full titles differ between systems:
IPC:
Engines characterised by provision of pumps for charging or scavenging > Engines with pumps other than of reciprocating-piston type > with rotary pumps
CPC:
Engines characterised by provision of pumps for charging or scavenging > Engines with pumps other than of reciprocating-piston type (with crankcase pumps F02B33/02) > with rotary pumps (with cell-type pressure exchangers or the like F02B33/42)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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