JPS4927974B1 - - Google Patents

Info

Publication number
JPS4927974B1
JPS4927974B1 JP40017974A JP1797465A JPS4927974B1 JP S4927974 B1 JPS4927974 B1 JP S4927974B1 JP 40017974 A JP40017974 A JP 40017974A JP 1797465 A JP1797465 A JP 1797465A JP S4927974 B1 JPS4927974 B1 JP S4927974B1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP40017974A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS4927974B1 publication Critical patent/JPS4927974B1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—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
    • G01F1/34—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
    • G01F1/36—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
    • G01F1/363—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 with electrical or electro-mechanical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
JP40017974A 1964-03-31 1965-03-29 Pending JPS4927974B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646403441A NL147555B (nl) 1964-03-31 1964-03-31 Inrichting voor het verkrijgen van een signaal uit twee elektrische signalen door trekken van de vierkantswortel uit hun produkt.

Publications (1)

Publication Number Publication Date
JPS4927974B1 true JPS4927974B1 (ja) 1974-07-23

Family

ID=19789696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP40017974A Pending JPS4927974B1 (ja) 1964-03-31 1965-03-29

Country Status (6)

Country Link
US (1) US3408488A (ja)
JP (1) JPS4927974B1 (ja)
BE (1) BE661780A (ja)
DE (1) DE1499334C3 (ja)
GB (1) GB1049823A (ja)
NL (1) NL147555B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455021A (en) * 1973-02-07 1976-11-10 Croftshaw Engs Ltd Material flowrate monitoring system
FR2594946B1 (fr) * 1986-02-21 1988-06-17 Flopetrol Etu Fabrications Debitmetre destine notamment aux puits d'hydrocarbures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070302A (en) * 1958-08-15 1962-12-25 Phillips Petroleum Co Flow computer
US3016197A (en) * 1958-09-15 1962-01-09 Honeywell Regulator Co Square root extracting integrator
US3333468A (en) * 1964-11-30 1967-08-01 Sundstrand Corp Mass flow measuring system

Also Published As

Publication number Publication date
NL6403441A (ja) 1965-10-01
DE1499334C3 (de) 1974-04-18
DE1499334A1 (de) 1969-10-30
US3408488A (en) 1968-10-29
BE661780A (ja) 1965-09-29
DE1499334B2 (de) 1973-09-20
GB1049823A (en) 1966-11-30
NL147555B (nl) 1975-10-15

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