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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F02D 1/04

by mechanical means dependent on engine speed, e.g. using centrifugal governors (F02D1/08 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by mechanical means dependent on engine speed, e.g. using centrifugal governors

CPC: by mechanical means dependent on engine speed, e.g. using centrifugal governors (F02D1/08 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Controlling fuel-injection pumps, e.g. of high-pressure injection type > not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered > by mechanical means dependent on engine speed, e.g. using centrifugal governors

CPC:

Controlling fuel-injection pumps, e.g. of high pressure injection type (F02D3/00 takes precedence) > not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered > by mechanical means dependent on engine speed, e.g. using centrifugal governors (F02D1/08 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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