DIFF Subgroup
G01F 1/05 by using mechanical effects
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow > by using mechanical effects
CPC:
Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow (measuring a proportion of the volume flow G01F5/00) > by using mechanical effects
Of 8 combined children, 6 exist in both systems.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01F 1/20 by detection of dynamic effects of the flow since 1974 +2 CPC IPC+CPC Available in IPC and CPC
- G01F 1/34 by measuring pressure or differential pressure since 1974 IPC+CPC Available in IPC and CPC
- G01F 1/52 by measuring the height of the fluid level due to the lifting power of the fluid flow since 1974 IPC+CPC Available in IPC and CPC
- G01F 1/54 by means of chains, flexible bands or wires introduced into and moved by, the flow since 1974 IPC+CPC Available in IPC and CPC