Control of fluid pressure

Classification Context

Section:

PHYSICS

Class:

CONTROLLING; REGULATING

Subclass:

SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES

Scope Notes

Application references: Devices for controlling tyre pressure Control of air pressure within diving suit Automatic control of aircraft air-pressure Control devices, e.g. for controlling gas pressure, for preventing jamming of material in bulk material conveyors Control of pressure in the treatment of filament-forming material Controlling pressure of drilling fluid for flushing boreholes Controlling lubricant pressure Control of pressure of fluid carrier in chemical analysis Means for obtaining or maintaining pressure in electric discharge tubes or lamps Means for obtaining or maintaining pressure in electric incandescent lamps

Related Keywords

Child Classifications

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• G05D 16/02 Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or imbalance
• G05D 16/04 without auxiliary power
• G05D 16/14 with auxiliary non-electric power
• G05D 16/2 characterised by the use of electric means