IPC Subgroup
G05D 11/035 with auxiliary non-electric power
Introduced: September 1968
Last revised: January 2006
Full Title
Control of flow ratio > Controlling ratio of two or more flows of fluid or fluent material > with auxiliary non-electric power
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
4 direct subcodes
Child Classifications
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- G05D 11/04 by sensing weight of individual components, e.g. gravimetric procedure
- G05D 11/06 by sensing density of mixture, e.g. using aerometer
- G05D 11/08 by sensing concentration of mixture, e.g. by measuring pH-value
- G05D 11/12 by sensing viscosity of mixture