ZA786720B - Method and apparatus for stabilizing the flow coefficient for pitot-type flowmeters with a downstream-facing port - Google Patents

Method and apparatus for stabilizing the flow coefficient for pitot-type flowmeters with a downstream-facing port

Info

Publication number
ZA786720B
ZA786720B ZA00786720A ZA786720A ZA786720B ZA 786720 B ZA786720 B ZA 786720B ZA 00786720 A ZA00786720 A ZA 00786720A ZA 786720 A ZA786720 A ZA 786720A ZA 786720 B ZA786720 B ZA 786720B
Authority
ZA
South Africa
Prior art keywords
pitot
stabilizing
downstream
flow coefficient
facing port
Prior art date
Application number
ZA00786720A
Other languages
English (en)
Inventor
E Brooks
J Harbaugh
N Alston
Original Assignee
Dieterich Standard Corp
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 Dieterich Standard Corp filed Critical Dieterich Standard Corp
Publication of ZA786720B publication Critical patent/ZA786720B/xx

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
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/46—Pitot tubes

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
ZA00786720A 1978-01-09 1978-11-29 Method and apparatus for stabilizing the flow coefficient for pitot-type flowmeters with a downstream-facing port ZA786720B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/867,778 US4154100A (en) 1978-01-09 1978-01-09 Method and apparatus for stabilizing the flow coefficient for pitot-type flowmeters with a downstream-facing port

Publications (1)

Publication Number Publication Date
ZA786720B true ZA786720B (en) 1979-11-28

Family

ID=25350447

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00786720A ZA786720B (en) 1978-01-09 1978-11-29 Method and apparatus for stabilizing the flow coefficient for pitot-type flowmeters with a downstream-facing port

Country Status (14)

Country Link
US (1) US4154100A (it)
JP (1) JPS607207B2 (it)
AU (1) AU515238B2 (it)
BE (1) BE870900A (it)
CA (1) CA1111281A (it)
CH (1) CH630175A5 (it)
DE (1) DE2842676C2 (it)
FR (1) FR2414189A1 (it)
GB (1) GB2012056B (it)
IL (1) IL55570A (it)
IT (1) IT1121121B (it)
NL (1) NL183367C (it)
SE (1) SE443451B (it)
ZA (1) ZA786720B (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290314A (en) * 1979-04-09 1981-09-22 Rosemount Inc. Target flowmeter
DE3038180A1 (de) * 1980-10-09 1982-05-27 IWK Regler und Kompensatoren GmbH, 7513 Stutensee Vorrichtung zum messen des differenzdruckes
JPS593315A (ja) * 1982-06-30 1984-01-10 Nikken Syst Kk 流体流速計測用棒型検出端
US4453419A (en) * 1982-11-26 1984-06-12 Barber-Colman Company Device for sensing the volmetric flow rate of air in a duct
GB8321482D0 (en) * 1983-08-10 1983-09-14 Tekflo Ltd Flowmeter
US4559836A (en) * 1984-10-17 1985-12-24 Dieterich Standard Corp. Pitot type flow measuring device and method of mounting
GB2171526B (en) * 1985-02-27 1988-08-10 British Gas Plc Fluid flow rake monitor probe
DE3512960C2 (de) * 1985-04-11 1987-03-05 Intra-Automation GmbH Meß- und Regelinstrumente, 4053 Jüchen Differenzdruckströmungssonde
US4911021A (en) * 1986-04-18 1990-03-27 Shortridge Ernest R Air sampling apparatus
CA1246356A (en) * 1986-05-26 1988-12-13 Ernest Hajto Fluid flow sensor having multiplying effect
US4717159A (en) * 1986-06-06 1988-01-05 Dieterich Standard Corp. Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe
US4936146A (en) * 1988-06-07 1990-06-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for detecting laminar flow separation and reattachment
US4848153A (en) * 1988-06-07 1989-07-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for detecting laminar flow separation and reattachment
US5036711A (en) * 1989-09-05 1991-08-06 Fred P. Good Averaging pitot tube
US5535633A (en) * 1992-09-23 1996-07-16 Korr Medical Technologies, Inc. Differential pressure sensor for respiratory monitoring
US5379650A (en) * 1992-09-23 1995-01-10 Korr Medical Technologies Inc. Differential pressure sensor for respiratory monitoring
DE19509208A1 (de) * 1995-03-17 1995-12-07 Systec Controls Mes Und Regelt Staudrucksonde
US5817950A (en) * 1996-01-04 1998-10-06 Rosemount Inc. Flow measurement compensation technique for use with an averaging pitot tube type primary element
DE19623586A1 (de) * 1996-06-13 1997-12-18 Abb Patent Gmbh Staudrucksonde
US7335164B2 (en) 1996-07-15 2008-02-26 Ntc Technology, Inc. Multiple function airway adapter
US5789660A (en) * 1996-07-15 1998-08-04 Novametrix Medical Systems, Inc. Multiple function airway adapter
US20070225612A1 (en) * 1996-07-15 2007-09-27 Mace Leslie E Metabolic measurements system including a multiple function airway adapter
US6401555B1 (en) * 1999-06-14 2002-06-11 James R. Bowers Tube packing extension assembly for use in high temperature gas flow sensing elements and the like
US6321166B1 (en) * 1999-08-05 2001-11-20 Russell N. Evans Noise reduction differential pressure measurement probe
US6609733B2 (en) * 2001-01-29 2003-08-26 E-Z Flo Injection Systems, Inc. Differential pressure fitting
US6637705B2 (en) * 2002-01-22 2003-10-28 The United States Of America As Represented By The Secretary Of The Navy Flow meter strut
US6883389B2 (en) 2003-08-21 2005-04-26 Eldridge Products, Inc. Flow averaging tube and method of using same
US7735371B2 (en) * 2005-01-26 2010-06-15 Systec Controls Mess-Und Regelungstechnik Gmbh Dynamic pressure probe with adapters fitted on the probe head
US7461562B2 (en) * 2006-08-29 2008-12-09 Rosemount Inc. Process device with density measurement
GB2446827B (en) * 2007-02-23 2011-06-29 Associated Instr Repairs Ltd Pitot-static device
US7836780B2 (en) 2008-02-26 2010-11-23 Rosemount Inc. Sensor tube with reduced coherent vortex shedding
CA2826516C (en) * 2013-08-30 2020-09-22 Protecsom Amerique Du Nord Inc. Flow measuring apparatus and inhalation apparatus comprising the same
US9285288B2 (en) 2013-09-26 2016-03-15 Dieterich Standard, Inc. Retractable flow conditioner
US9996089B2 (en) * 2015-09-21 2018-06-12 Blue-White Industries, Ltd. Flow sensor devices and systems
GB2555003B (en) 2016-09-23 2022-07-06 Blue White Ind Ltd Flow sensor devices and systems
GB2587844A (en) 2019-06-07 2021-04-14 Blue White Ind Ltd Flow sensor devices and systems
RU207837U1 (ru) * 2021-06-02 2021-11-18 Максим Николаевич Карпов Зонд для расходомера

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1110023A (en) * 1912-06-05 1914-09-08 Gen Electric Nozzle-plug for plow-meters.
US1560664A (en) * 1923-12-20 1925-11-10 John A Cole Rod meter
DE1168659B (de) * 1961-06-06 1964-04-23 Maschf Augsburg Nuernberg Ag Staugeraet
US3581565A (en) * 1968-07-15 1971-06-01 Peter D Dieterich Flow-measuring device
US3683693A (en) * 1970-10-08 1972-08-15 William R Brown Universal proportional differential pressure producing fluid flow device
US3751982A (en) * 1971-05-03 1973-08-14 R Lambert Fluid flow meter head and system using same
GB1413990A (en) * 1972-04-19 1975-11-12 Secr Defence Static pressure sensing apparatus
US3910113A (en) * 1972-11-20 1975-10-07 William R Brown Method of selectively varying the differential output and overall performance characteristics of a proportional differential pressure producing fluid flow device

Also Published As

Publication number Publication date
SE7810485L (sv) 1979-07-10
DE2842676A1 (de) 1979-07-12
GB2012056A (en) 1979-07-18
DE2842676C2 (de) 1985-06-05
FR2414189A1 (fr) 1979-08-03
NL183367C (nl) 1988-10-03
CH630175A5 (fr) 1982-05-28
BE870900A (fr) 1979-03-29
IT1121121B (it) 1986-03-26
SE443451B (sv) 1986-02-24
AU3980678A (en) 1980-03-20
JPS607207B2 (ja) 1985-02-22
JPS54101357A (en) 1979-08-09
IT7909307A0 (it) 1979-01-08
NL7809924A (nl) 1979-07-11
CA1111281A (en) 1981-10-27
FR2414189B1 (it) 1983-10-14
US4154100A (en) 1979-05-15
AU515238B2 (en) 1981-03-26
GB2012056B (en) 1982-06-09
US4154100B1 (it) 1987-11-03
IL55570A (en) 1981-03-31
NL183367B (nl) 1988-05-02

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