IT977282B - Perfezionamento nei dispositivi rilevatori per misure di flusso a differenza di pressione - Google Patents

Perfezionamento nei dispositivi rilevatori per misure di flusso a differenza di pressione

Info

Publication number
IT977282B
IT977282B IT4816673A IT4816673A IT977282B IT 977282 B IT977282 B IT 977282B IT 4816673 A IT4816673 A IT 4816673A IT 4816673 A IT4816673 A IT 4816673A IT 977282 B IT977282 B IT 977282B
Authority
IT
Italy
Prior art keywords
improvement
difference
pressure
flow measurements
detector devices
Prior art date
Application number
IT4816673A
Other languages
English (en)
Inventor
H Thorbard
B Thorbard
Original Assignee
Elektriska Ab Eletta
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 by Elektriska Ab Eletta filed Critical Elektriska Ab Eletta
Application granted granted Critical
Publication of IT977282B publication Critical patent/IT977282B/it

Links

Classifications

    • 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
    • G01F1/38—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 the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G01F1/383—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 the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule 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
    • G01F1/05—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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/22—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 detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
    • G01F1/26—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 detection of dynamic effects of the flow by variable-area meters, e.g. rotameters of the valve type
    • 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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/28—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 detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
    • 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
    • G01F1/38—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 the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8242—Electrical

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)
IT4816673A 1972-02-11 1973-02-09 Perfezionamento nei dispositivi rilevatori per misure di flusso a differenza di pressione IT977282B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE166272A SE371017B (it) 1972-02-11 1972-02-11

Publications (1)

Publication Number Publication Date
IT977282B true IT977282B (it) 1974-09-10

Family

ID=20258607

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4816673A IT977282B (it) 1972-02-11 1973-02-09 Perfezionamento nei dispositivi rilevatori per misure di flusso a differenza di pressione

Country Status (8)

Country Link
US (1) US3846774A (it)
JP (1) JPS4948350A (it)
DE (1) DE2306134C2 (it)
ES (1) ES411509A1 (it)
FR (1) FR2171376B1 (it)
GB (1) GB1401156A (it)
IT (1) IT977282B (it)
SE (1) SE371017B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757290Y2 (it) * 1977-04-19 1982-12-09
FR2443670A1 (fr) * 1978-12-06 1980-07-04 Pace Italo Detecteur d'ecoulement de liquide
DE3241702A1 (de) * 1982-11-11 1984-05-17 Robert Bosch Gmbh, 7000 Stuttgart Mengenmesser
SE8405226D0 (sv) * 1984-10-19 1984-10-19 Alfa Laval Marine Power Eng Flodesvakt
US4690108A (en) * 1985-07-31 1987-09-01 Debevec Anthony F Fuel/oil pump
JPS62214261A (ja) * 1986-03-12 1987-09-21 Fuji Heavy Ind Ltd 排気ガス還流装置の故障診断装置
JPH0662324U (ja) * 1991-10-14 1994-09-02 株式会社エイシン技研 フローチェックバルブ
US5539384A (en) * 1995-06-19 1996-07-23 Frasier; Berwyn T. Electronic water utility safety apparatus
US5680109A (en) * 1996-06-21 1997-10-21 The Foxboro Company Impulse line blockage detector systems and methods
US6895351B2 (en) * 1999-06-29 2005-05-17 Fisher Controls International Llc Regulator flow measurement apparatus
US6539315B1 (en) 1999-06-29 2003-03-25 Fisher Controls International, Inc. Regulator flow measurement apparatus
US7064671B2 (en) * 2000-06-23 2006-06-20 Fisher Controls International Llc Low power regulator system and method
DE10000178A1 (de) * 2000-01-05 2001-07-12 Mueller Friedrich Einrichtung zum Überprüfen und/oder Beeinflussen der Strömung in einem Fluid
US6404345B1 (en) * 2000-09-13 2002-06-11 Berwyn Travis Frasier Electrical system
US6725167B2 (en) 2002-01-16 2004-04-20 Fisher Controls International Llc Flow measurement module and method
EP2151671A3 (de) * 2004-06-16 2010-03-03 Robert Buck Strömungssensor
EP1691174A3 (de) * 2005-02-09 2007-11-14 Robert Buck Strömungssensor
US20060260691A1 (en) * 2005-05-20 2006-11-23 Davidoff John A Systems and methods for detecting and preventing fluid leaks
CN101443590A (zh) * 2006-03-13 2009-05-27 考尔得产品公司 用于耦接装置的连接状态感测
NO331748B1 (no) * 2010-03-06 2012-03-19 Tool Tech As Hydraulisk kontrollventil med to ventilsleider
US8763622B2 (en) * 2010-03-30 2014-07-01 Scully Signal Company Dynamic self-checking interlock monitoring system
WO2019235610A1 (ja) 2018-06-08 2019-12-12 住友重機械建機クレーン株式会社 建設機械
US12098966B2 (en) 2020-11-18 2024-09-24 Westermeyer Industries Inc. Differential pressure monitor with a calibration process and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967017A (en) * 1931-12-02 1934-07-17 Wired Radio Inc Fluid flow circuit control
DE880953C (de) * 1942-07-08 1953-06-25 Basf Ag Vorrichtung zum Anzeigen von Druckunterschieden

Also Published As

Publication number Publication date
DE2306134A1 (de) 1973-08-16
US3846774A (en) 1974-11-05
JPS4948350A (it) 1974-05-10
FR2171376A1 (it) 1973-09-21
DE2306134C2 (de) 1985-04-18
SE371017B (it) 1974-11-04
ES411509A1 (es) 1976-01-01
FR2171376B1 (it) 1980-03-28
GB1401156A (en) 1975-07-16

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