IPC Definitions - January 01, 2012

G01F - Definition fr

Definition statement

This subclass covers:

Apparatus or methods for measuring the volume flow or mass flow of fluids or fluent solid materials.

Apparatus or methods for metering by volume.

Apparatus or methods for measuring the capacity of containers or cavities, or the volume of solid bodies, fluids or fluent solid materials.

Level indicators.

Details, accessories, testing or calibrating of the apparatus as described.

References relevant to classification in this subclass

This subclass does not cover:

Measuring linear dimensions to determine volume

G01B
Examples of places where the subject matter of this class is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Milk flow sensing devices in milking machines or devices

A01J 5/01

Food containers with dispensing devices for dispensing a certain quantity of powdered or granulated foodstuffs

A47G 19/34

Apparatus for making beverages having water-level controls

A47J 31/56

Measuring blood flow

A61B 5/026, A61B 8/06

Metering media introduced into the human body, e.g. drip meters

A61M 5/168

Controlling the quantity of fluent-solid material fed into a container during packaging by volumetric measurement

B65B 1/36

Controlling the quantity of plastic material, semi-liquids, liquids, or mixed solids and liquids, fed into a container during packaging by volumetric measurement

B65B 3/30

Separating measured quantities from supply by volume measurement

B65B 37/20

Bottling liquids or semi-liquids with provision for metering the liquids to be introduced, e.g. when adding syrups

B67C 3/20

Arrangements of liquid volume meters or volume-flow meters in liquid-delivering apparatus, e.g. for retail sale purposes

B67D 7/16

Measuring liquid level in wells

E21B 47/04

Indicating devices for lubricant level

F01M 11/12

Measuring intake air flow to generate a control signal for control of supply of combustible mixture in combustion engines

F02D 41/18

Proportioning devices in lubricating systems

F16N 27/00

Arrangements for measuring the quantity of conveyed product in pipe-lines

F17D 3/18

Adaptation of level indicators to, or mounting on, steam boilers

F22B 37/78

Controlling water feed or water level for steam generation

F22D 5/00

Rainfall or precipitation gauges

G01W 1/14

Apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid or gas

G07F 15/00

Reactor-coolant flow measuring or monitoring in nuclear reactors; Moderator- or coolant-level detecting devices in nuclear reactors

G21C 17/032, G21C 17/035

Accumulators combined with arrangements for measuring, testing, or indicating condition, e.g. level or density of the electrolyte

H01M 10/48

Informative references

Attention is drawn to the following places, which may be of interest for search:

Filters

B01D

Burettes or pipettes

B01L 3/02

Weighing a continuous stream of material during flow

G01G 11/00

Measuring pressure

G01L

Measuring speed of fluids, e.g. of air stream

G01P 5/00

Determining a distance or velocity using sonar, radar or lidar techniques

G01S

Control of flow; Control of level; Control of ratio

G05D 7/00, G05D 9/00, G05D 11/00

Alarm devices

G08B

Electric switches operated by change of liquid level, e.g. float switches, or by a change of fluid flow

H01H 35/18, H01H 35/24