BE870900A - Procede et appareil de stabilisation du coefficient d'ecoulement de debitmetres de pitot - Google Patents
Procede et appareil de stabilisation du coefficient d'ecoulement de debitmetres de pitotInfo
- Publication number
- BE870900A BE870900A BE190818A BE190818A BE870900A BE 870900 A BE870900 A BE 870900A BE 190818 A BE190818 A BE 190818A BE 190818 A BE190818 A BE 190818A BE 870900 A BE870900 A BE 870900A
- Authority
- BE
- Belgium
- Prior art keywords
- pitot
- flowmeters
- stabilizing
- flow coefficient
- coefficient
- Prior art date
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)
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 |
---|---|
BE870900A true BE870900A (fr) | 1979-03-29 |
Family
ID=25350447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE190818A BE870900A (fr) | 1978-01-09 | 1978-09-29 | Procede et appareil de stabilisation du coefficient d'ecoulement de debitmetres de pitot |
Country Status (14)
Country | Link |
---|---|
US (1) | US4154100A (de) |
JP (1) | JPS607207B2 (de) |
AU (1) | AU515238B2 (de) |
BE (1) | BE870900A (de) |
CA (1) | CA1111281A (de) |
CH (1) | CH630175A5 (de) |
DE (1) | DE2842676C2 (de) |
FR (1) | FR2414189A1 (de) |
GB (1) | GB2012056B (de) |
IL (1) | IL55570A (de) |
IT (1) | IT1121121B (de) |
NL (1) | NL183367C (de) |
SE (1) | SE443451B (de) |
ZA (1) | ZA786720B (de) |
Families Citing this family (36)
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 |
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 |
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 |
US5036711A (en) * | 1989-09-05 | 1991-08-06 | Fred P. Good | Averaging pitot tube |
US5379650A (en) * | 1992-09-23 | 1995-01-10 | Korr Medical Technologies Inc. | Differential pressure sensor for respiratory monitoring |
US5535633A (en) * | 1992-09-23 | 1996-07-16 | 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 |
US20070225612A1 (en) * | 1996-07-15 | 2007-09-27 | Mace Leslie E | Metabolic measurements system including a multiple function airway adapter |
US5789660A (en) * | 1996-07-15 | 1998-08-04 | Novametrix Medical Systems, Inc. | Multiple function airway adapter |
US7335164B2 (en) | 1996-07-15 | 2008-02-26 | Ntc Technology, Inc. | 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 |
EP1842035B1 (de) * | 2005-01-26 | 2014-03-05 | systec Controls Mess- und Regeltechnik GmbH | Staudrucksonde |
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)
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 |
-
1978
- 1978-01-09 US US05/867,778 patent/US4154100A/en not_active Expired - Lifetime
- 1978-08-21 CA CA309,729A patent/CA1111281A/en not_active Expired
- 1978-08-30 GB GB7834974A patent/GB2012056B/en not_active Expired
- 1978-09-13 AU AU39806/78A patent/AU515238B2/en not_active Expired
- 1978-09-14 IL IL55570A patent/IL55570A/xx unknown
- 1978-09-29 BE BE190818A patent/BE870900A/xx not_active IP Right Cessation
- 1978-09-29 DE DE2842676A patent/DE2842676C2/de not_active Expired
- 1978-10-02 NL NLAANVRAGE7809924,A patent/NL183367C/xx not_active IP Right Cessation
- 1978-10-04 FR FR7828427A patent/FR2414189A1/fr active Granted
- 1978-10-06 SE SE7810485A patent/SE443451B/sv not_active IP Right Cessation
- 1978-11-29 ZA ZA00786720A patent/ZA786720B/xx unknown
- 1978-12-04 CH CH1234278A patent/CH630175A5/fr not_active IP Right Cessation
-
1979
- 1979-01-08 IT IT09307/79A patent/IT1121121B/it active
- 1979-01-09 JP JP54000459A patent/JPS607207B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2842676C2 (de) | 1985-06-05 |
US4154100A (en) | 1979-05-15 |
FR2414189B1 (de) | 1983-10-14 |
DE2842676A1 (de) | 1979-07-12 |
FR2414189A1 (fr) | 1979-08-03 |
US4154100B1 (de) | 1987-11-03 |
NL7809924A (nl) | 1979-07-11 |
JPS607207B2 (ja) | 1985-02-22 |
SE7810485L (sv) | 1979-07-10 |
GB2012056A (en) | 1979-07-18 |
IL55570A (en) | 1981-03-31 |
AU515238B2 (en) | 1981-03-26 |
GB2012056B (en) | 1982-06-09 |
NL183367B (nl) | 1988-05-02 |
IT1121121B (it) | 1986-03-26 |
IT7909307A0 (it) | 1979-01-08 |
NL183367C (nl) | 1988-10-03 |
AU3980678A (en) | 1980-03-20 |
CH630175A5 (fr) | 1982-05-28 |
SE443451B (sv) | 1986-02-24 |
JPS54101357A (en) | 1979-08-09 |
CA1111281A (en) | 1981-10-27 |
ZA786720B (en) | 1979-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: DELAWARE CAPITAL FORMATION INC. Effective date: 19980929 |