F-Term-List

G01F1/56-1/90

AA00
USE

AA01

AA02

AA03

AA04

AA05

AA06

. Nuclear reactors

. Internal combustion engines

. Open conduits

. Measuring particulates

. for milking

. specially adapted for other specific use

G01F1/56;1/64

AB00
DETECTION MEANS NOT OTHERWISE PROVIDED FOR

AB01

AB02

AB03

AB04

AB05

AB06

AB07

AB08

. Eddy current types

. Differences of ion currents

. Measuring the passing amount of fluids

. . Self-inductor types

. . Capacitances

. . Transmission or reflection of light

. . Radiation

. Others

G01F1/58-1/58@Z

BA00
CONDUIT FOR ELECTROMAGNETIC FLOWMETER

BA01

BA02

BA03

BA04

BA05

BA06

. characterised by conduits

. . without linings

. . characterised by linings

. . . having reinforcing members for attaching linings

. flangeless

. characterised by connections to pipings

BB00
ELECTRODE FOR ELECTROMAGNETIC FLOWMETER

BB01

BB02

BB03

BB04

BB05

BB06

BB07

. characterised by electrodes

. . attachable from the outsides of conduits

. . . specially adapted for replacing electrodes

. . characterised by materials per se of electrodes

. . having means for cleaning electrodes

. . without contacting with liquids including petroleum

. . Multiple electrodes

BC00
MAGNETIC FIELD FOR ELECTROMAGNETIC FLOWMETER

BC01

BC02

BC03

BC04

BC05

BC06

BC07

BC08

. characterised by sections generating magnetic fields

. . using permanent magnets

. . characterised by coils

. . characterised by cores

. . . attaching or incorporating coils or cores

. having direct current magnetic fields

. having radial magnetic fields

. having inhomogeneous magnetic fields

BD00
TYPE OF ELECTROMAGNETIC FLOWMETER

BD01

BD02

BD03

BD04

. Insertion types

. Immersion types

. for molten metals

. Other special types of electromagnetic flowmeters

BE00
OTHERS, E.G. COMPENSATION OR CORRECTION

BE01

BE02

BE03

BE04

BE05

BE06

BE07

BE08

. having means for detecting wear

. having means for detecting conducts not fully filled with water

. Shield drive

. characterised by arranging or drawing leads

. Structures for noise compensation

. characterised by grounding electrodes

. adapted for deflection of flow

. characterised by structures of cases or bodies

G01F1/60

CA00
PURPOSE OF CIRCUIT FOR ELECTROMAGNETIC FLOWMETER

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

CA10

. Reducing power consumption

. Removing noises

. . In-phase noises

. . of direct currents

. . of mains frequencies

. Compensating magnetic flux density

. Protecting circuits

. Checking or calibrating

. . Zero adjustment

. . Span adjustment

CB00
STRUCTURE OF CIRCUIT FOR ELECTROMAGNETIC FLOWMETER

CB01

CB02

CB03

CB04

CB05

CB06

CB07

CB08

CB09

CB10

. Excitation patterns

. . of alternating currents

. . of rectangular waves

. . . positive zero or negative

. characterised by drive circuits for excitation

. . of pulse currents

. Circuits for detecting exciting currents

. . having current transformers

. characterised by sampling timing

. characterised by other circuits

G01F1/66-1/667@Z

DA00
FLOWMETER USING WAVE

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

DA09

DA10

. using microwaves

. using light

. combined with measuring concentration

. having a plurality of measurement paths

. characterised by the structures of transceiving elements

. . using oscillators having interdigital electrodes

. arranging or attaching transceiving elements

. . attaching the elements outside measurement pipes

. . having transceiving elements on the same side of measurement pipes

. Calibrating or checking

DA11

DA12

DA13

DA14

DA15

DA16

DA17

DA18

DA19

DA20

. Beam displacement flowmeters

. Doppler flowmeters

. . characterised by measurement circuits

. measuring time differences

. . measuring phase differences

. . Sing-around methods

. . using PLL techniques

. . emitting waves simultaneously from a couple of transducers

. . switching in a couple of transducers

. . having two couples of transducers

DA21

DA22

DA23

DA24

DA25

DA26

. . having two receiving elements sandwiching a transmitting element

. . having measurement path parallel to flow paths

. . Circuits for detecting ultrasonic pulses

. . . having gain variable amplifiers

. . . having pass gates before detection circuits

. . using continuous waves

G01F1/68-1/699

EA00
THERMAL FLOWMETER

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. having thermal elements outside pipes

. having thermocouples being temperature detection elements

. arranging flowmeters at by-pass passages of induction conduits

. having heating elements combined with temperature detection elements

. having heating elements behind temperature-sensing elements

. having thin wires as elements

. having thin wires wound around bobbins

. having thin films or semiconductors as elements

. characterised by circuits

. . having cleaning means

G01F1/704-1/716

FA00
TAG FOR TAG FLOWMETER

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

. Fluctuations or the like originally present

. Bubbles

. Ions

. Materials having different temperatures

. Brine

. Radioactive materials

. NMRs or EPRs

. Others

FB00
MEANS FOR DETECTING TAG FOR TAG FLOWMETER

FB01

FB02

FB03

FB04

FB05

. Light

. Ultrasonic waves

. Temperature detection elements

. Analysers

. Others

G01F1/68-1/699;1/72

GA00
PULSATING FLOW

GA01

GA02

GA03

. Mechanical means for smoothing pulsations

. Electric circuit-like means

. Others

G01F1/74

HA00
OBJECT TO BE MEASURED FOR MEASURING MULTI-PHASE FLUID FLOW

HA01

HA02

HA03

HA04

. Gas-solid flows e.g. powders

. Solid-liquid flows e.g. slurries

. Gas-liquid flows

. Others

HB00
MEANS FOR DETECTING MULTI-PHASE FLUID FLOW

HB01

HB02

HB03

HB04

HB05

HB06

HB07

. Differential pressures

. Concentration

. . Light

. . Ultrasonic waves

. . Microwaves

. Mass flows

. Others

G01F1/76-1/84

JA00
DIRECT MASS FLOWMETER

JA01

JA02

JA03

. Differential pressure types

. Coriolis type

. Others

G01F1/76;1/86-1/90

JB00
INDIRECT MASS FLOWMETER

JB01

JB02

JB03

JB04

JB05

. RhoQ2 detectors and densimeters

. Q detectors and densimeters

. RhoQ2 detectors and Q detectors

. using Karman vortex flowmeters

. Others

2F035	MEASURING VOLUME FLOW (2); MEASURING MASS FLOW
	G01F1/56 -1/90