DE69714747T2 - Verfahren zu Herstellung von einem Sensor für einen thermischen Massendurchflussmesser - Google Patents
Verfahren zu Herstellung von einem Sensor für einen thermischen MassendurchflussmesserInfo
- Publication number
- DE69714747T2 DE69714747T2 DE69714747T DE69714747T DE69714747T2 DE 69714747 T2 DE69714747 T2 DE 69714747T2 DE 69714747 T DE69714747 T DE 69714747T DE 69714747 T DE69714747 T DE 69714747T DE 69714747 T2 DE69714747 T2 DE 69714747T2
- Authority
- DE
- Germany
- Prior art keywords
- sensor
- manufacturing
- mass flow
- flow meter
- thermal mass
- 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 - Fee Related
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
- G01F1/6847—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
-
- 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
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
- G01F1/692—Thin-film arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97403185A EP0927875B1 (de) | 1997-12-30 | 1997-12-30 | Verfahren zu Herstellung von einem Sensor für einen thermischen Massendurchflussmesser |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69714747D1 DE69714747D1 (de) | 2002-09-19 |
DE69714747T2 true DE69714747T2 (de) | 2003-04-30 |
Family
ID=8229942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69714747T Expired - Fee Related DE69714747T2 (de) | 1997-12-30 | 1997-12-30 | Verfahren zu Herstellung von einem Sensor für einen thermischen Massendurchflussmesser |
Country Status (4)
Country | Link |
---|---|
US (1) | US6354150B1 (de) |
EP (1) | EP0927875B1 (de) |
AT (1) | ATE222354T1 (de) |
DE (1) | DE69714747T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE210819T1 (de) * | 1997-12-30 | 2001-12-15 | Qualiflow S A | Verfahren zur schaffung eines mikro-thermoelement-sensors für die massendurchflussmessung und entsprechende vorrichtung dazu |
US6595049B1 (en) * | 1999-06-18 | 2003-07-22 | Mks Instruments, Inc. | Thermal mass flow sensor with improved sensitivity and response time |
US6779396B2 (en) * | 2002-04-08 | 2004-08-24 | Takao Tsuda | Method for measuring flow within an open tube |
US6675660B1 (en) * | 2002-07-31 | 2004-01-13 | Sandia National Laboratories | Composition pulse time-of-flight mass flow sensor |
US6843139B2 (en) * | 2003-03-12 | 2005-01-18 | Rosemount Inc. | Flow instrument with multisensors |
US7107835B2 (en) * | 2004-09-08 | 2006-09-19 | Honeywell International Inc. | Thermal mass flow sensor |
WO2007110934A1 (ja) * | 2006-03-28 | 2007-10-04 | Shimadzu Corporation | 熱式質量流量計 |
US7651263B2 (en) * | 2007-03-01 | 2010-01-26 | Advanced Energy Industries, Inc. | Method and apparatus for measuring the temperature of a gas in a mass flow controller |
DE102007039280A1 (de) * | 2007-08-20 | 2009-02-26 | Heraeus Sensor Technology Gmbh | Elektronische Nase |
US7797997B2 (en) * | 2007-08-24 | 2010-09-21 | Siargo Inc. | Configuration and methods for manufacturing time-of-flight MEMS mass flow sensor |
US7826986B2 (en) * | 2008-09-26 | 2010-11-02 | Advanced Energy Industries, Inc. | Method and system for operating a mass flow controller |
DE102012004317B4 (de) * | 2012-03-07 | 2015-09-03 | Karlsruher Institut für Technologie | Fluidkalorimeter |
US10352743B1 (en) * | 2013-09-26 | 2019-07-16 | Sensors That Count, L.L.C. | Flow sensor based on electrical capacity |
US11231305B2 (en) * | 2013-09-26 | 2022-01-25 | Amvac Chemical Corporation | Flow sensor apparatus for monitoring a directed stream of an agricultural product |
US10908005B2 (en) * | 2014-10-01 | 2021-02-02 | Sierra Instruments, Inc. | Capillary sensor tube flow meters and controllers |
GB2533936B (en) | 2015-01-07 | 2017-10-25 | Homeserve Plc | Flow detection device |
GB201501935D0 (en) | 2015-02-05 | 2015-03-25 | Tooms Moore Consulting Ltd And Trow Consulting Ltd | Water flow analysis |
EP3392621A1 (de) * | 2017-04-19 | 2018-10-24 | Sensirion AG | Membranbasierte thermische durchflusssensorvorrichtung |
JP6843024B2 (ja) * | 2017-09-15 | 2021-03-17 | アズビル株式会社 | 熱式流量計 |
JP6661678B2 (ja) * | 2018-02-23 | 2020-03-11 | 三菱電機株式会社 | 熱式検出センサ |
CN109283117B (zh) * | 2018-11-15 | 2023-07-25 | 中国计量大学 | 基于热传导的岩土渗流实时测量仪器系统 |
US11927555B2 (en) * | 2021-05-25 | 2024-03-12 | Siargo Ltd. | Micromachined thermal time-of-flight fluidic concentration metering device |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3056295A (en) * | 1955-07-08 | 1962-10-02 | Laub John Harry | Flow meter |
US3938384A (en) * | 1972-10-13 | 1976-02-17 | Tylan Corporation | Mass flow meter with reduced attitude sensitivity |
DE3220170A1 (de) * | 1982-05-28 | 1983-12-01 | Robert Bosch Gmbh, 7000 Stuttgart | Messvorrichtung zur erfassung der stroemungsgeschwindigkeit von fluessigkeiten und gasen |
DE3229609A1 (de) * | 1982-08-09 | 1984-02-09 | Trasidex AG, 9490 Vaduz | Thermischer durchflussmesser |
JPS59162413A (ja) * | 1983-03-07 | 1984-09-13 | Hitachi Ltd | 熱式流量計 |
ATE70911T1 (de) * | 1983-05-18 | 1992-01-15 | Bronkhorst High Tech Bv | Durchflussmessgeraet. |
US4672997A (en) * | 1984-10-29 | 1987-06-16 | Btu Engineering Corporation | Modular, self-diagnostic mass-flow controller and system |
JP2791828B2 (ja) * | 1990-08-11 | 1998-08-27 | 株式会社エステック | 熱式質量流量計 |
JPH07111367B2 (ja) * | 1991-02-26 | 1995-11-29 | ディーエクスエル・インターナショナル・インコーポレーテッド | 流量センサおよびその検査方法 |
JP2643665B2 (ja) * | 1991-06-13 | 1997-08-20 | 日本エム・ケー・エス 株式会社 | 流量センサ |
JP2842729B2 (ja) * | 1992-04-30 | 1999-01-06 | 三菱電機株式会社 | 感熱式流量センサ |
DE4335332A1 (de) * | 1993-10-18 | 1995-04-20 | Bitop Gmbh | Verfahren und Vorrichtung zur insbesondere nicht invasiven Ermittlung mindestens eines interessierenden Parameters eines Fluid-Rohr-Systems |
US5792952A (en) * | 1996-05-23 | 1998-08-11 | Varian Associates, Inc. | Fluid thermal mass flow sensor |
US5693880A (en) * | 1996-06-14 | 1997-12-02 | Mks Instruments, Inc. | Heater with tapered heater density function for use with mass flowmeter |
-
1997
- 1997-12-30 DE DE69714747T patent/DE69714747T2/de not_active Expired - Fee Related
- 1997-12-30 EP EP97403185A patent/EP0927875B1/de not_active Expired - Lifetime
- 1997-12-30 AT AT97403185T patent/ATE222354T1/de not_active IP Right Cessation
-
1998
- 1998-02-24 US US09/028,742 patent/US6354150B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0927875A1 (de) | 1999-07-07 |
EP0927875B1 (de) | 2002-08-14 |
DE69714747D1 (de) | 2002-09-19 |
ATE222354T1 (de) | 2002-08-15 |
US6354150B1 (en) | 2002-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |