Varying fuel delivery in quantity or timing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pumps specially adapted for fuel-injection and not provided for in groups > Varying fuel delivery in quantity or timing

CPC:

Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00 > Varying fuel delivery in quantity or timing

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

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F02M 59/205 CPC only CPC only
F02M 59/22 Varying quantity by adjusting cylinder-head space IPC+CPC Available in IPC and CPC
F02M 59/24 with constant-length-stroke pistons having variable effective portion of stroke +1 CPC IPC+CPC Available in IPC and CPC
F02M 59/30 with variable-length-stroke pistons IPC+CPC Available in IPC and CPC
F02M 59/32 fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection IPC+CPC Available in IPC and CPC
F02M 59/34 by throttling of passages to pumping elements or of overflow passages IPC+CPC Available in IPC and CPC
F02M 59/36 by variably-timed valves controlling fuel passages +3 CPC IPC+CPC Available in IPC and CPC

Class F02,2013–2023, worldwide · Source: EPO PATSTAT

Class F02,2013–2023, worldwide · Source: EPO PATSTAT