IPC Subgroup
G01F 1/36 the pressure or differential pressure being created by the use of flow constriction
Introduced: July 1974
Last revised: January 2006
Full Title
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 > by measuring pressure or differential pressure > the pressure or differential pressure being created by the use of flow constriction
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME
3 direct subcodes
Child Classifications
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- G01F 1/37 the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes
- G01F 1/38 the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
- G01F 1/4 Details of construction of the flow constriction devices