FI103073B1 - Virtausmittari - Google Patents

Virtausmittari

Info

Publication number
FI103073B1
FI103073B1 FI973395A FI973395A FI103073B1 FI 103073 B1 FI103073 B1 FI 103073B1 FI 973395 A FI973395 A FI 973395A FI 973395 A FI973395 A FI 973395A FI 103073 B1 FI103073 B1 FI 103073B1
Authority
FI
Finland
Prior art keywords
measuring
duct
flow
space
measuring duct
Prior art date
Application number
FI973395A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI103073B (fi
FI973395A0 (fi
FI973395A7 (fi
Inventor
Johannes Roine
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Publication of FI973395A0 publication Critical patent/FI973395A0/fi
Priority to FI973395A priority Critical patent/FI103073B1/fi
Priority to CA2301908A priority patent/CA2301908C/en
Priority to AT98939669T priority patent/ATE355507T1/de
Priority to JP2000509995A priority patent/JP2001515219A/ja
Priority to DE69837206T priority patent/DE69837206T2/de
Priority to US09/486,085 priority patent/US6520029B1/en
Priority to PCT/FI1998/000636 priority patent/WO1999009376A1/en
Priority to EP98939669A priority patent/EP1007910B1/en
Publication of FI973395A7 publication Critical patent/FI973395A7/fi
Application granted granted Critical
Publication of FI103073B publication Critical patent/FI103073B/fi
Publication of FI103073B1 publication Critical patent/FI103073B1/fi

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
    • G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
    • 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
    • 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
    • G01F1/05—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
    • G01F1/34—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
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/46—Pitot tubes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
    • G01P5/16—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid using Pitot tubes, e.g. Machmeter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Lubricants (AREA)
  • Inorganic Insulating Materials (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FI973395A 1997-08-19 1997-08-19 Virtausmittari FI103073B1 (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI973395A FI103073B1 (fi) 1997-08-19 1997-08-19 Virtausmittari
DE69837206T DE69837206T2 (de) 1997-08-19 1998-08-18 Durchflussmesser
AT98939669T ATE355507T1 (de) 1997-08-19 1998-08-18 Durchflussmesser
JP2000509995A JP2001515219A (ja) 1997-08-19 1998-08-18 流量計
CA2301908A CA2301908C (en) 1997-08-19 1998-08-18 Gas flow measurement device utilizing induced cyclic pressure wave
US09/486,085 US6520029B1 (en) 1997-08-19 1998-08-18 Device for measuring gas flow
PCT/FI1998/000636 WO1999009376A1 (en) 1997-08-19 1998-08-18 Flowmeter
EP98939669A EP1007910B1 (en) 1997-08-19 1998-08-18 Flowmeter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973395 1997-08-19
FI973395A FI103073B1 (fi) 1997-08-19 1997-08-19 Virtausmittari

Publications (4)

Publication Number Publication Date
FI973395A0 FI973395A0 (fi) 1997-08-19
FI973395A7 FI973395A7 (fi) 1999-02-20
FI103073B FI103073B (fi) 1999-04-15
FI103073B1 true FI103073B1 (fi) 1999-04-15

Family

ID=8549378

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973395A FI103073B1 (fi) 1997-08-19 1997-08-19 Virtausmittari

Country Status (8)

Country Link
US (1) US6520029B1 (enExample)
EP (1) EP1007910B1 (enExample)
JP (1) JP2001515219A (enExample)
AT (1) ATE355507T1 (enExample)
CA (1) CA2301908C (enExample)
DE (1) DE69837206T2 (enExample)
FI (1) FI103073B1 (enExample)
WO (1) WO1999009376A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6993619B2 (en) 2003-03-28 2006-01-31 International Business Machines Corporation Single request data transfer regardless of size and alignment
DE102016119359A1 (de) * 2016-10-11 2018-04-12 Deutsches Zentrum für Luft- und Raumfahrt e.V. Staudrucksonde für eine Sensoreinrichtung und Flugkörper mit einer Sensoreinrichtung
US10955324B2 (en) 2018-01-02 2021-03-23 Lennox Industries Inc. Pressure probe including multiple orifices for measuring air pressure in varying airflow systems
CN112284482B (zh) * 2020-11-16 2025-10-03 碧臣仪器(北京)有限公司 气体测量装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506553A (en) * 1983-09-30 1985-03-26 The United States Of America As Represented By The Secretary Of The Army Apparatus for measuring small values of air flow
US5172592A (en) 1990-09-25 1992-12-22 Pacer Systems, Inc. Omnidirectional pressure sensing head
US5394759A (en) * 1993-04-14 1995-03-07 United Sciences, Inc. Automated flow measuring device
US5365795A (en) * 1993-05-20 1994-11-22 Brower Jr William B Improved method for determining flow rates in venturis, orifices and flow nozzles involving total pressure and static pressure measurements
US5440217A (en) * 1994-05-04 1995-08-08 United Sciences, Inc. Drive mechanism for automated flow measuring device
US5509313A (en) * 1994-09-30 1996-04-23 United Sciences, Inc. Method for measuring flow rate and direction of a fluid in a conduit

Also Published As

Publication number Publication date
WO1999009376A1 (en) 1999-02-25
CA2301908A1 (en) 1999-02-25
CA2301908C (en) 2010-06-15
US6520029B1 (en) 2003-02-18
JP2001515219A (ja) 2001-09-18
EP1007910B1 (en) 2007-02-28
FI103073B (fi) 1999-04-15
DE69837206D1 (de) 2007-04-12
DE69837206T2 (de) 2007-11-22
ATE355507T1 (de) 2006-03-15
EP1007910A1 (en) 2000-06-14
FI973395A0 (fi) 1997-08-19
FI973395A7 (fi) 1999-02-20

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS

PC Transfer of assignment of patent

Owner name: VOXTONE OY

Free format text: VOXTONE OY

MM Patent lapsed