CPC Main Group
G05D 11/00 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)
7 direct subcodes
Child Classifications
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- G05D 11/02 Controlling ratio of two or more flows of fluid or fluent material
- G05D 11/16 Controlling mixing ratio of fluids having different temperatures, e.g. by sensing the temperature of a mixture of fluids having different viscosities