DIFF Subgroup
F02C 7/22 Fuel supply systems
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Features, component parts, details or accessories, not provided for in, or of interest apart from, groups; Air intakes for jet-propulsion plants > Fuel supply systems
CPC:
Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants (controlling F02C9/00) > Fuel supply systems
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- F02C 7/232 Fuel valves ; Draining valves or systems (valves in general F16K) since 1980 IPC+CPC Available in IPC and CPC
- F02C 7/236 Fuel delivery systems comprising two or more pumps since 1980 +1 CPC IPC+CPC Available in IPC and CPC