ES2047818T3 - Caudalimetros masicos con detectores de temperatura. - Google Patents
Caudalimetros masicos con detectores de temperatura.Info
- Publication number
- ES2047818T3 ES2047818T3 ES90200417T ES90200417T ES2047818T3 ES 2047818 T3 ES2047818 T3 ES 2047818T3 ES 90200417 T ES90200417 T ES 90200417T ES 90200417 T ES90200417 T ES 90200417T ES 2047818 T3 ES2047818 T3 ES 2047818T3
- Authority
- ES
- Spain
- Prior art keywords
- temperature
- tube
- mass
- temperature detectors
- mass flowmeters
- 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.)
- Expired - Lifetime
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
- G01F1/68—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 thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/6888—Thermoelectric elements, e.g. thermocouples, thermopiles
-
- 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
- G01F1/68—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 thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
MEDIDOR DE FLUJO DE MASA CON SENSORES DE TEMPERATURA, DISEÑADO PARA MEDIDA DE LOS INDICES DE FLUJO DE MASA DE LIQUIDOS O GASES, QUE CONTIENE UN TUBO CONDUCTOR DEL CALOR (1), A TRAVES DEL CUAL SE PRODUCE EL FLUJO DE LA MASA QUE SE VA A MEDIR Y CUYO COMIENZO (3) Y FINAL (4) SE MANTIENEN A LA MISMA TEMPERATURA, ASI COMO UNO O MAS MEDIOS (56) PARA ELEVAR LA TEMPERATURA DEL TUBO Y MEDIOS PARA MEDIR LA TEMPERATURA DE LA MASA EN EL TUBO EN DIFERENTES LUGARES. EN, O SOBRE, EL TUBO SE APLICAN UNO O MAS DISPOSITIVOS CON LOS CUALES SE PUEDE ELIMINAR EL DESPLAZAMIENTO CERO DE LOS MEDIOS PARA MEDIR LA TEMPERATURA EN FORMA FISICA EN VEZ DE EN FORMA ELECTRONICA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8900474A NL8900474A (nl) | 1989-02-24 | 1989-02-24 | Massa-debietmeter met temperatuursensoren. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2047818T3 true ES2047818T3 (es) | 1994-03-01 |
Family
ID=19854209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90200417T Expired - Lifetime ES2047818T3 (es) | 1989-02-24 | 1990-02-22 | Caudalimetros masicos con detectores de temperatura. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5036701A (es) |
EP (1) | EP0395126B1 (es) |
JP (1) | JP2892419B2 (es) |
AT (1) | ATE100195T1 (es) |
DE (1) | DE69005884T2 (es) |
DK (1) | DK0395126T3 (es) |
ES (1) | ES2047818T3 (es) |
NL (1) | NL8900474A (es) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69109236T2 (de) * | 1990-11-09 | 1996-01-11 | Hewlett Packard Co | Verfahren und Systeme zur Identifizierung von Flüssigkeiten und Bestimmung der Strömung. |
DE4036991A1 (de) * | 1990-11-20 | 1992-05-21 | Linde Ag | Verfahren zur verwendung inerter treibmittel bei der herstellung aufgeschaeumter kunststoffe |
US5359878A (en) * | 1991-02-26 | 1994-11-01 | Dxl International, Inc. | Apparatus and method for in-line calibration verification of mass flow meters |
EP0581896A1 (en) * | 1991-04-26 | 1994-02-09 | Unit Instruments, Inc. | Thermal mass flow sensor |
US5237866A (en) * | 1991-05-10 | 1993-08-24 | Brooks Instrument B.V. | Flow sensor for measuring high fluid flow rates |
JP2666163B2 (ja) * | 1991-12-04 | 1997-10-22 | 山武ハネウエル株式会社 | 流速センサの温度特性補正方法 |
US5980102A (en) * | 1994-06-20 | 1999-11-09 | Columbia Gas Of Ohio | Method for measuring physical characteristics in a pipeline without tapping |
US5645348A (en) * | 1994-06-20 | 1997-07-08 | Columbia Gas Of Ohio, Inc. | Method and apparatus for measuring pressure in a pipeline without tapping |
NL1001674C2 (nl) * | 1995-11-17 | 1997-05-21 | Berkin Bv | Debietmeter. |
NL1003973C2 (nl) * | 1996-09-06 | 1998-03-09 | Berkin Bv | Werkwijze voor het momentaan identificeren van een gas- of vloeistofstroom en inrichting voor het uitvoeren van de werkwijze. |
US5693880A (en) * | 1996-06-14 | 1997-12-02 | Mks Instruments, Inc. | Heater with tapered heater density function for use with mass flowmeter |
BR9814770A (pt) * | 1997-12-02 | 2000-10-03 | Allan L Smith | Sensor para medição de massa e fluxo de calor |
WO2000028902A1 (en) * | 1998-11-18 | 2000-05-25 | General Surgical Innovations, Inc. | Helical fastener and applicator for surgical procedures |
DE10000496A1 (de) * | 2000-01-08 | 2001-07-12 | Bosch Gmbh Robert | Gasströmungs-Bestimmungsverfahren und -vorrichtung |
US6446504B1 (en) | 2000-03-30 | 2002-09-10 | Mks Instruments, Inc. | Constant temperature gradient differential thermal mass flow sensor |
NL1014797C2 (nl) * | 2000-03-30 | 2001-10-02 | Berkin Bv | Massadebietmeter. |
US6499357B2 (en) * | 2001-03-13 | 2002-12-31 | Factory Mutual Research Corporation | Heat flux measurement pipe and method for determining sprinkler water delivery requirement |
US6708561B2 (en) | 2002-04-19 | 2004-03-23 | Visteon Global Technologies, Inc. | Fluid flow meter having an improved sampling channel |
US6736005B2 (en) * | 2002-05-28 | 2004-05-18 | Mcmillan Company | High accuracy measuring and control of low fluid flow rates |
US7000464B2 (en) * | 2002-05-28 | 2006-02-21 | Mcmillan Company | Measuring and control of low fluid flow rates with heated conduit walls |
US6826955B2 (en) * | 2002-09-20 | 2004-12-07 | Visteon Global Technologies, Inc. | Mass fluid flow sensor having an improved housing design |
US6973825B2 (en) * | 2003-02-24 | 2005-12-13 | Visteon Global Technologies, Inc. | Hot-wire mass flow sensor with low-loss bypass passage |
US7874208B2 (en) * | 2007-10-10 | 2011-01-25 | Brooks Instrument, Llc | System for and method of providing a wide-range flow controller |
US7971480B2 (en) | 2008-10-13 | 2011-07-05 | Hitachi Metals, Ltd. | Mass flow controller having a first pair of thermal sensing elements opposing a second pair of thermal sensing elements |
DE102011120899B4 (de) | 2011-12-12 | 2015-08-20 | Karlsruher Institut für Technologie | Verfahren und Verwendung einer Vorrichtung zur Bestimmung des Massenstroms eines Fluids |
DE102017119667B4 (de) * | 2017-08-28 | 2023-05-25 | Dionex Softron Gmbh | Messung eines Fluidflusses |
US11150120B2 (en) * | 2019-09-22 | 2021-10-19 | Applied Materials, Inc. | Low temperature thermal flow ratio controller |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB591690A (en) * | 1945-05-03 | 1947-08-26 | Arthur Frederick Brown | Instruments for indicating or measuring the flow of fluids |
US2594618A (en) * | 1945-08-11 | 1952-04-29 | Atomic Energy Commission | Thermal flowmeter |
DE1065627B (es) * | 1957-01-24 | |||
GB1072514A (en) * | 1963-08-19 | 1967-06-21 | Heinz Frank Poppendiek | Means and techniques useful in fluid flow determinations |
US4100801A (en) * | 1976-02-09 | 1978-07-18 | Tylan Corporation | Mass flow sensing system |
US4519246A (en) * | 1981-12-21 | 1985-05-28 | Advanced Semiconductor Materials International, N.V. | Improved flow meter |
US4686856A (en) * | 1983-02-28 | 1987-08-18 | Vavra Randall J | Mass flow meter |
US4487062A (en) * | 1983-03-30 | 1984-12-11 | Sierra Instruments, Inc. | Mass flowmeter |
US4972707A (en) * | 1988-05-18 | 1990-11-27 | Brooks Instrument B.V. | Apparatus for measuring the flow of a fluid |
-
1989
- 1989-02-24 NL NL8900474A patent/NL8900474A/nl not_active Application Discontinuation
-
1990
- 1990-02-21 US US07/482,786 patent/US5036701A/en not_active Expired - Lifetime
- 1990-02-22 ES ES90200417T patent/ES2047818T3/es not_active Expired - Lifetime
- 1990-02-22 JP JP2039927A patent/JP2892419B2/ja not_active Expired - Lifetime
- 1990-02-22 DK DK90200417.5T patent/DK0395126T3/da active
- 1990-02-22 EP EP90200417A patent/EP0395126B1/en not_active Expired - Lifetime
- 1990-02-22 AT AT90200417T patent/ATE100195T1/de not_active IP Right Cessation
- 1990-02-22 DE DE69005884T patent/DE69005884T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69005884D1 (de) | 1994-02-24 |
EP0395126A1 (en) | 1990-10-31 |
US5036701A (en) | 1991-08-06 |
ATE100195T1 (de) | 1994-01-15 |
DE69005884T2 (de) | 1994-06-09 |
EP0395126B1 (en) | 1994-01-12 |
DK0395126T3 (da) | 1994-04-11 |
JPH02262015A (ja) | 1990-10-24 |
JP2892419B2 (ja) | 1999-05-17 |
NL8900474A (nl) | 1990-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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