AU2720497A - Differential pressure device - Google Patents

Differential pressure device

Info

Publication number
AU2720497A
AU2720497A AU27204/97A AU2720497A AU2720497A AU 2720497 A AU2720497 A AU 2720497A AU 27204/97 A AU27204/97 A AU 27204/97A AU 2720497 A AU2720497 A AU 2720497A AU 2720497 A AU2720497 A AU 2720497A
Authority
AU
Australia
Prior art keywords
differential pressure
pressure device
differential
pressure
Prior art date
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.)
Abandoned
Application number
AU27204/97A
Inventor
Hans Persson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2720497A publication Critical patent/AU2720497A/en
Abandoned legal-status Critical Current

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)
AU27204/97A 1996-04-25 1997-04-24 Differential pressure device Abandoned AU2720497A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9601581A SE506368C2 (en) 1996-04-25 1996-04-25 Device for differential pressure measurement as well as use of the device for density measurement
SE9601581 1996-04-25
PCT/SE1997/000690 WO1997040350A1 (en) 1996-04-25 1997-04-24 Differential pressure device

Publications (1)

Publication Number Publication Date
AU2720497A true AU2720497A (en) 1997-11-12

Family

ID=20402343

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27204/97A Abandoned AU2720497A (en) 1996-04-25 1997-04-24 Differential pressure device

Country Status (4)

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

Families Citing this family (3)

* 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
FR3047067B1 (en) 2016-01-22 2019-07-05 Elvesys SYSTEM FOR MEASURING LIQUID FLOW AND USE THEREOF
FR3126773B1 (en) 2021-09-08 2023-09-01 Elvesys LIQUID FLOW MEASUREMENT SYSTEM IN A MICRO-FLUIDIC PIPING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1149592B (en) * 1982-02-10 1986-12-03 Valcom Di Valletti E TRANSMITTER DEVICE STRUCTURE FOR MEASURING THE OPERATING PRESSURE OF A SYSTEM
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
SE9601581L (en) 1997-10-26
SE9601581D0 (en) 1996-04-25
EP0895582A1 (en) 1999-02-10
SE506368C2 (en) 1997-12-08
WO1997040350A1 (en) 1997-10-30

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