IPC-Stelle: G01F 1/692 [Version 2006.01]

SymbolTypTitel
GSKSECTION G — PHYSICS
G01USKINSTRUMENTS
G01KLMEASURING (counting G06M)TESTING
G01FUKLMEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVELMETERING BY VOLUME (milk flow sensing devices in milking machines or devices A01J 5/01; measuring or recording blood flow A61B 5/02, A61B 8/06; metering media to the human body A61M 5/168; burettes or pipettes B01L 3/02; arrangements of liquid volume meters or volume-flow meters in liquid-delivering apparatus, e.g. for retail sale purposes, B67D 5/16; pumps, fluid motors, details common to measuring or metering devices and pumps or fluid motors F01-F04; locating, determining distance or velocity using reflection or reradiation of radio waves, analogous arrangements using other waves G01S; systems for ratio control G05D 11/00) [2, 5]
G01F 1/00ZWMeasuring volume flow
G01F 1/00HGRMeasuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow (measuring a proportion of the volume flow G01F 5/00; measuring speed of flow G01P 5/00; indicating presence or absence of flow G01P 13/00; regulating quantity or ratio G05D) [2]
G01F 1/05UGR1
.by using mechanical effects [2]
G01F 1/06UGR2
. .using rotating vanes with tangential admission [2]
G01F 1/07UGR3
. . .with mechanical coupling to the indicating device [2]
G01F 1/075UGR3
. . .with magnetic or electromagnetic coupling to the indicating device [2]
G01F 1/08UGR3
. . .Adjusting, correcting, or compensating means therefor [2]
G01F 1/10UGR2
. .using rotating vanes with axial admission [2]
G01F 1/11UGR3
. . .with mechanical coupling to the indicating device [2]
G01F 1/115UGR3
. . .with magnetic or electromagnetic coupling to the indicating device [2]
G01F 1/12UGR3
. . .Adjusting, correcting, or compensating means therefor
G01F 1/20UGR2
. .by detection of dynamic effects of the fluid flow [2]
G01F 1/22UGR3
. . .by variable-area meters [2]
G01F 1/24UGR4
. . . .with magnetic or electric coupling to the indicating device [2]
G01F 1/26UGR4
. . . .of the valve type [2]
G01F 1/28UGR3
. . .by drag-force, e.g. vane type or impact flowmeter [2]
G01F 1/30UGR4
. . . .for fluent solid material [2]
G01F 1/32UGR3
. . .by swirl flowmeter, e.g. using Karman vortices [2]
G01F 1/34UGR2
. .by measuring pressure or differential pressure [2]
G01F 1/36UGR3
. . .the pressure or differential pressure being created by the use of flow constriction [2]
G01F 1/37UGR4
. . . .the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes [2]
G01F 1/38UGR4
. . . .the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule [2]
G01F 1/40UGR4
. . . .Details of construction of the flow constriction devices [2]
G01F 1/42UGR5
. . . . .Orifices or nozzles [2]
G01F 1/44UGR5
. . . . .Venturi tubes [2]
G01F 1/46UGR5
. . . . .Pitot tubes (specially adapted for measuring speed of fluids G01P 5/165) [2]
G01F 1/48UGR3
. . .the pressure or differential pressure being created by a capillary element [2]
G01F 1/50UGR3
. . .Correcting or compensating means [2]
G01F 1/52UGR2
. .by measuring the height of the fluid level due to the lifting power of the fluid flow [2]
G01F 1/54UGR2
. .by means of chains, flexible bands, or wires introduced into, and moved by, the flow [2]
G01F 1/56UGR1
.by using electric or magnetic effects (G01F 1/66 takes precedence) [2]
G01F 1/58UGR2
. .by electromagnetic flowmeters [2]
G01F 1/60UGR3
. . .Circuits therefor [2]
G01F 1/64UGR2
. .by measuring electrical currents passing through the fluid flowby measuring electrical potential generated by the fluid flow, e.g. by electrochemical, contact, or friction effects (G01F 1/58 takes precedence) [2]
G01F 1/66UGR1
.by measuring frequency, phase shift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters [2]
G01F 1/68UGR1
.by using thermal effects [2]
G01F 1/684UGR2
. .Structural arrangementsMounting of elements, e.g. in relation to fluid flow [6]
G01F 1/688UGR3
. . .using a particular type of heating, cooling or sensing element [6]
G01F 1/69UGR4
. . . .of resistive type [6]
G01F 1/692UGR5
. . . . .Thin-film arrangements [6]
G01F 1/696UGR2
. .Circuits therefor, e.g. constant-current flow meters [6]
G01F 1/698UGR3
. . .Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters [6]
G01F 1/699UGR4
. . . .by control of a separate heating or cooling element [6]
G01F 1/704UGR1
.using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F 1/76, G01F 25/00 take precedence) [4]
G01F 1/708UGR2
. .Measuring the time taken to traverse a fixed distance [4]
G01F 1/712UGR3
. . .using auto-correlation or cross-correlation detection means (measuring speed by using correlation detection means in general G01P 3/80, G01P 5/22) [4]
G01F 1/716UGR3
. . .using electron paramagnetic resonance (EPR) or nuclear magnetic resonance (NMR) [4]
G01F 1/72UGR1
.Devices for measuring pulsing fluid flows [2]
G01F 1/74UGR1
.Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid [2]
G01F 1/76UGR1
.Devices for measuring mass flow of a fluid or a fluent solid material (weighing a continuous stream of material during flow G01G 11/00) [2]
G01F 1/78UGR2
. .Direct mass flowmeters [2]
G01F 1/80UGR3
. . .operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted [2]
G01F 1/82UGR4
. . . .using a driven wheel as impeller and one or more other wheels or moving elements which are angularly restrained by a resilient member, e.g. spring member, as the measuring device [2]
G01F 1/84UGR4
. . . .Gyroscopic mass flowmeters [2]
G01F 1/86UGR2
. .Indirect mass flowmeters, e.g. measuring volume flow and density, temperature, or pressure [2]
G01F 1/88UGR3
. . .with differential-pressure measurement to determine the volume flow [2]
G01F 1/90UGR3
. . .with positive-displacement meter or turbine meter to determine the volume flow [2]
G01F 3/00HGRMeasuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow (measuring a proportion of the volume flow G01F 5/00)
G01F 3/02UGR1
.with measuring chambers which expand or contract during measurement
G01F 3/04UGR2
. .having rigid movable walls
G01F 3/06UGR3
. . .comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing
G01F 3/08UGR4
. . . .Rotary-piston or ring-piston meters
G01F 3/10UGR4
. . . .Geared or lobed impeller meters
G01F 3/12UGR4
. . . .Meters with nutating members, e.g. discs
G01F 3/14UGR3
. . .comprising reciprocating pistons, e.g. reciprocating in a rotating body
G01F 3/16UGR4
. . . .in stationary cylinders
G01F 3/18UGR5
. . . . .involving two or more cylinders
G01F 3/20UGR2
. .having flexible movable walls, e.g. diaphragms, bellows (diaphragms or bellows therefor G01F 15/16)
G01F 3/22UGR3
. . .for gases
G01F 3/24UGR1
.with measuring chambers moved during operation (wet gas-meters G01F 3/30)
G01F 3/26UGR2
. .Tilting-trap meters
G01F 3/28UGR2
. .on carriers rotated by the weight of the liquid in the measuring chambers
G01F 3/30UGR1
.Wet gas-meters
G01F 3/32UGR2
. .comprising partitioned drums rotating or nutating in a liquid
G01F 3/34UGR2
. .comprising bells reciprocating in a liquid
G01F 3/36UGR1
.with stationary measuring chambers having constant volume during measurement (with measuring chambers which expand or contract during measurement G01F 3/02)
G01F 3/38UGR2
. .having only one measuring chamber
G01F 5/00HGRMeasuring a proportion of the volume flow
G01F 7/00HGRVolume-flow measuring devices with two or more measuring rangesCompound meters
G01F 9/00HGRMeasuring volume flow relative to another variable, e.g. of liquid fuel for an engine
G01F 9/02UGR1
.wherein the other variable is the speed of a vehicle
G01F 11/00ZWMetering by volume
G01F 11/00HGRApparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
G01F 11/02UGR1
.with measuring chambers which expand or contract during measurement
G01F 11/04UGR2
. .of the free-piston type
G01F 11/06UGR3
. . .with provision for varying the stroke of the piston
G01F 11/08UGR2
. .of the diaphragm or bellows type (diaphragms or bellows therefor G01F 15/16)
G01F 11/10UGR1
.with measuring chambers moved during operation
G01F 11/12UGR2
. .of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements (involving the tilting or inverting of the supply vessel G01F 11/26)
G01F 11/14UGR3
. . .wherein the measuring chamber reciprocates
G01F 11/16UGR4
. . . .for liquid or semiliquid
G01F 11/18UGR4
. . . .for fluent solid material
G01F 11/20UGR3
. . .wherein the measuring chamber rotates or oscillates
G01F 11/22UGR4
. . . .for liquid or semiliquid
G01F 11/24UGR4
. . . .for fluent solid material
G01F 11/26UGR2
. .wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus
G01F 11/28UGR1
.with stationary measuring chambers having constant volume during measurement (with measuring chambers which expand or contract during measurement G01F 11/02)
G01F 11/30UGR2
. .with supply and discharge valves of the lift or plug-lift type
G01F 11/32UGR3
. . .for liquid or semiliquid
G01F 11/34UGR3
. . .for fluent solid material
G01F 11/36UGR2
. .with supply or discharge valves of the rectilinearly-moved slide type
G01F 11/38UGR3
. . .for liquid or semiliquid
G01F 11/40UGR3
. . .for fluent or solid material
G01F 11/42UGR2
. .with supply or discharge valves of the rotary or oscillatory type
G01F 11/44UGR3
. . .for liquid or semiliquid
G01F 11/46UGR3
. . .for fluent solid material
G01F 13/00HGRApparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups
G01F 15/00ZWE
G01F 15/00HGRDetails of, or accessories for, apparatus of groups G01F 1/00-G01F 13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
G01F 15/02UGR1
.Compensating or correcting for variations in pressure, density, or temperature
G01F 15/04UGR2
. .of gases to be measured
G01F 15/06UGR1
.Indicating or recording devices, e.g. for remote indication
G01F 15/07UGR1
.Integration to give total flow, e.g. using mechanically-operated integrating mechanism [2]
G01F 15/075UGR2
. .using electrically-operated integrating means [2]
G01F 15/08UGR1
.Air or gas separators in combination with liquid metersLiquid separators in combination with gas-meters
G01F 15/10UGR1
.Preventing damage by freezing or excess pressure or insufficient pressure
G01F 15/12UGR1
.Cleaning arrangementsFilters (filters in general B01D)
G01F 15/14UGR1
.Casings, e.g. of special material
G01F 15/16UGR1
.DiaphragmsBellowsMountings therefor
G01F 15/18UGR1
.Supports or connecting means for meters
G01F 17/00ZWMeasuring volume
G01F 17/00HGRMethods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies (measuring linear dimensions to determine volume G01B)
G01F 19/00HGRCalibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
G01F 22/00HGRMethods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for [5]
G01F 22/02UGR1
.involving measurement of pressure [5]
G01F 23/00ZWLevel indicators
G01F 23/00HGRIndicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm (in wells E21B 47/04; adaptation to, or mounting on, steam boilers F22B 37/78; level regulation G05D; alarm devices G08B)
G01F 23/02UGR1
.by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
G01F 23/04UGR1
.by dip members, e.g. dip-sticks
G01F 23/14UGR1
.by measurement of pressure (measuring pressure in general G01L)
G01F 23/16UGR2
. .Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
G01F 23/18UGR2
. .Indicating, recording, or alarm devices actuated electrically
G01F 23/20UGR1
.by measurement of weight, e.g. to determine the level of stored liquefied gas (weighing in general G01G)
G01F 23/22UGR1
.by measurement of physical variables, other than linear dimensions, pressure, or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water (involving the use of floats G01F 23/30)
G01F 23/24UGR2
. .by measuring variations of resistance of resistors due to contact with conductor fluid
G01F 23/26UGR2
. .by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
G01F 23/28UGR2
. .by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material [6]
G01F 23/284UGR3
. . .Electromagnetic waves [6]
G01F 23/288UGR4
. . . .X-raysGamma rays [6]
G01F 23/292UGR4
. . . .Light [6]
G01F 23/296UGR3
. . .Acoustic waves [6]
G01F 23/30UGR1
.by floats (switches operated by floats H01H 35/18) [4]
G01F 23/32UGR2
. .using rotatable arms or other pivotable transmission elements [4]
G01F 23/34UGR3
. . .using mechanically actuated indicating means [4]
G01F 23/36UGR3
. . .using electrically actuated indicating means [4]
G01F 23/38UGR3
. . .using magnetically actuated indicating means [4]
G01F 23/40UGR2
. .using bands or wires as transmission elements [4]
G01F 23/42UGR3
. . .using mechanically actuated indicating means [4]
G01F 23/44UGR3
. . .using electrically actuated indicating means [4]
G01F 23/46UGR3
. . .using magnetically actuated indicating means [4]
G01F 23/48UGR2
. .using twisted spindles as transmission elements [4]
G01F 23/50UGR3
. . .using mechanically actuated indicating means [4]
G01F 23/52UGR3
. . .using electrically actuated indicating means [4]
G01F 23/54UGR3
. . .using magnetically actuated indicating means [4]
G01F 23/56UGR2
. .using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements [4]
G01F 23/58UGR3
. . .using mechanically actuated indicating means [4]
G01F 23/60UGR3
. . .using electrically actuated indicating means [4]
G01F 23/62UGR3
. . .using magnetically actuated indicating means [4]
G01F 23/64UGR2
. .of the free float type [4]
G01F 23/66UGR3
. . .using mechanically actuated indicating means [4]
G01F 23/68UGR3
. . .using electrically actuated indicating means [4]
G01F 23/70UGR4
. . . .for sensing changes in level only at discrete points [4]
G01F 23/72UGR3
. . .using magnetically actuated indicating means [4]
G01F 23/74UGR4
. . . .for sensing changes in level only at discrete points [4]
G01F 23/76UGR2
. .characterised by the construction of the float [4]
G01F 25/00ZWE
G01F 25/00HGRTesting or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume