DIFF Subgroup
F02D 41/14 Introducing closed-loop corrections
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 > Introducing closed-loop corrections
CPC:
Electrical control of supply of combustible mixture or its constituents (F02D43/00 takes precedence ) > Circuit arrangements for generating control signals > Introducing closed-loop corrections
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
Navigate with arrow keys, Enter to open