DIFF Subgroup
F02B 33/06 with reciprocating-piston pumps other than simple crankcase pumps
Introduced: September 1968
Full Title
Engines characterised by provision of pumps for charging or scavenging > Engines with reciprocating-piston pumps; Engines with crankcase pumps > with reciprocating-piston pumps other than simple crankcase pumps
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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- F02B 33/08 with the working-cylinder head arranged between working and pumping cylinders IPC+CPC Available in IPC and CPC
- F02B 33/10 with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder IPC+CPC Available in IPC and CPC
- F02B 33/18 with crankshaft being arranged between working and pumping cylinders IPC+CPC Available in IPC and CPC
- F02B 33/20 with pumping-cylinder axis arranged at an angle to working-cylinder axis, e.g. at an angle of 90 degrees IPC+CPC Available in IPC and CPC
- F02B 33/22 with pumping cylinder situated at side of working cylinder, e.g. the cylinders being parallel IPC+CPC Available in IPC and CPC