SE9601581L - Anordning för differenstryckmätning jämte användning av anordningen vid densitetsmätning - Google Patents

Anordning för differenstryckmätning jämte användning av anordningen vid densitetsmätning

Info

Publication number
SE9601581L
SE9601581L SE9601581A SE9601581A SE9601581L SE 9601581 L SE9601581 L SE 9601581L SE 9601581 A SE9601581 A SE 9601581A SE 9601581 A SE9601581 A SE 9601581A SE 9601581 L SE9601581 L SE 9601581L
Authority
SE
Sweden
Prior art keywords
sensors
servomedium
liquids
differential pressure
membranes
Prior art date
Application number
SE9601581A
Other languages
Unknown language ( )
English (en)
Other versions
SE9601581D0 (sv
SE506368C2 (sv
Inventor
Hans Persson
Original Assignee
Hans Persson
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 Hans Persson filed Critical Hans Persson
Priority to SE9601581A priority Critical patent/SE506368C2/sv
Publication of SE9601581D0 publication Critical patent/SE9601581D0/sv
Priority to PCT/SE1997/000690 priority patent/WO1997040350A1/en
Priority to EP97921056A priority patent/EP0895582A1/en
Priority to AU27204/97A priority patent/AU2720497A/en
Publication of SE9601581L publication Critical patent/SE9601581L/sv
Publication of SE506368C2 publication Critical patent/SE506368C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16—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
    • G01F23/164—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 using a diaphragm, bellow as transmitting element
    • 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
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
    • G01L11/006—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces hydraulic or pneumatic counterbalancing forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)
SE9601581A 1996-04-25 1996-04-25 Anordning för differenstryckmätning jämte användning av anordningen vid densitetsmätning SE506368C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9601581A SE506368C2 (sv) 1996-04-25 1996-04-25 Anordning för differenstryckmätning jämte användning av anordningen vid densitetsmätning
PCT/SE1997/000690 WO1997040350A1 (en) 1996-04-25 1997-04-24 Differential pressure device
EP97921056A EP0895582A1 (en) 1996-04-25 1997-04-24 Differential pressure device
AU27204/97A AU2720497A (en) 1996-04-25 1997-04-24 Differential pressure device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9601581A SE506368C2 (sv) 1996-04-25 1996-04-25 Anordning för differenstryckmätning jämte användning av anordningen vid densitetsmätning

Publications (3)

Publication Number Publication Date
SE9601581D0 SE9601581D0 (sv) 1996-04-25
SE9601581L true SE9601581L (sv) 1997-10-26
SE506368C2 SE506368C2 (sv) 1997-12-08

Family

ID=20402343

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9601581A SE506368C2 (sv) 1996-04-25 1996-04-25 Anordning för differenstryckmätning jämte användning av anordningen vid densitetsmätning

Country Status (4)

Country Link
EP (1) EP0895582A1 (sv)
AU (1) AU2720497A (sv)
SE (1) SE506368C2 (sv)
WO (1) WO1997040350A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPP240198A0 (en) 1998-03-17 1998-04-09 Resmed Limited An apparatus for supplying breathable gas
RU2341778C2 (ru) * 2006-02-14 2008-12-20 ООО "ИНТФ "Электра" Устройство для измерения плотности и уровня жидкости в резервуарах (плотномер-уровнемер)
FR3047067B1 (fr) 2016-01-22 2019-07-05 Elvesys Systeme de mesure de debit d'un liquide et son utilisation
FR3126773B1 (fr) 2021-09-08 2023-09-01 Elvesys Systeme de mesure de debit de liquide dans une canalisation micro-fluidique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1149592B (it) * 1982-02-10 1986-12-03 Valcom Di Valletti E Struttura di dispositivo trasmettitore per la misurazione della pressione di esercizio di un impianto
US4561307A (en) * 1984-01-26 1985-12-31 Smith George E Liquid differential pressure measurement using a vertical manifold
US4614118A (en) * 1985-02-12 1986-09-30 Chevron Research Company Non-compliant pressure cell
US4625553A (en) * 1985-04-12 1986-12-02 Dresser Industries, Inc. System to determine the level and weight of liquid in a tank or the like

Also Published As

Publication number Publication date
SE9601581D0 (sv) 1996-04-25
AU2720497A (en) 1997-11-12
SE506368C2 (sv) 1997-12-08
WO1997040350A1 (en) 1997-10-30
EP0895582A1 (en) 1999-02-10

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