DIFF Subgroup
F02D 1/16 Adjustment of injection timing (F02D1/02 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Adjustment of injection timing
CPC: Adjustment of injection timing (F02D1/02 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Controlling fuel-injection pumps, e.g. of high-pressure injection type > Adjustment of injection timing
CPC:
Controlling fuel-injection pumps, e.g. of high pressure injection type (F02D3/00 takes precedence) > Adjustment of injection timing (F02D1/02 takes precedence)
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
Child Classifications
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- F02D 1/18 with non-mechanical means for transmitting control impulse; with amplification of control impulse +1 CPC IPC+CPC Available in IPC and CPC