Circuit arrangements for generating control signals

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Electrical control of supply of combustible mixture or its constituents > Circuit arrangements for generating control signals

CPC:

Electrical control of supply of combustible mixture or its constituents (F02D43/00 takes precedence ) > Circuit arrangements for generating control signals

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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F02D 41/0205 CPC only CPC only
F02D 41/021 +2 CPC CPC only CPC only
F02D 41/04 Introducing corrections for particular operating conditions (F02D41/14 takes precedence) since 1985 +3 CPC IPC+CPC Available in IPC and CPC
F02D 41/14 Introducing closed-loop corrections since 1985 +3 CPC IPC+CPC Available in IPC and CPC
F02D 41/18 by measuring intake air flow since 1985 +3 CPC IPC+CPC Available in IPC and CPC