DIFF Subgroup
G05D 11/035 with auxiliary non-electric power
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Control of flow ratio > Controlling ratio of two or more flows of fluid or fluent material > with auxiliary non-electric power
CPC:
Control of flow ratio (control of chemical or physico-chemical variables, e.g. pH-value, G05D21/00; control of humidity G05D22/00; control of temperature by varying the mixing ratio of two fluids having different temperatures G05D23/13; control of viscosity G05D24/00) > Controlling ratio of two or more flows of fluid or fluent material > with auxiliary non-electric power
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G05D 11/04 by sensing weight of individual components, e.g. gravimetric procedure IPC+CPC Available in IPC and CPC
- G05D 11/08 by sensing concentration of mixture, e.g. measuring pH value IPC+CPC Available in IPC and CPC