DE69106961D1 - Thermischer Durchflussmesser. - Google Patents
Thermischer Durchflussmesser.Info
- Publication number
- DE69106961D1 DE69106961D1 DE69106961T DE69106961T DE69106961D1 DE 69106961 D1 DE69106961 D1 DE 69106961D1 DE 69106961 T DE69106961 T DE 69106961T DE 69106961 T DE69106961 T DE 69106961T DE 69106961 D1 DE69106961 D1 DE 69106961D1
- Authority
- DE
- Germany
- Prior art keywords
- flow meter
- thermal flow
- thermal
- meter
- flow
- 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
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990063431U JPH086268Y2 (ja) | 1990-06-15 | 1990-06-15 | 熱式流量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69106961D1 true DE69106961D1 (de) | 1995-03-09 |
DE69106961T2 DE69106961T2 (de) | 1995-08-31 |
Family
ID=13229082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69106961T Expired - Lifetime DE69106961T2 (de) | 1990-06-15 | 1991-06-12 | Thermischer Durchflussmesser. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5222395A (de) |
EP (1) | EP0467430B1 (de) |
JP (1) | JPH086268Y2 (de) |
KR (1) | KR0184673B1 (de) |
CA (1) | CA2044655C (de) |
DE (1) | DE69106961T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2682349B2 (ja) * | 1992-09-18 | 1997-11-26 | 株式会社日立製作所 | 空気流量計及び空気流量検出方法 |
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 |
KR970059713A (ko) * | 1996-01-17 | 1997-08-12 | 가나이 쯔도무 | 발열 저항체 타입 공기 유속 측정 장치 |
US6038921A (en) | 1997-10-15 | 2000-03-21 | Mcmillan Company | Mass flow sensor system for fast temperature sensing responses |
US6198296B1 (en) | 1999-01-14 | 2001-03-06 | Burr-Brown Corporation | Bridge sensor linearization circuit and method |
US6474155B1 (en) * | 1999-07-08 | 2002-11-05 | Lockheed Martin Corporation | Constant-temperature-difference flow sensor |
US6681625B1 (en) * | 2000-01-19 | 2004-01-27 | Lockheed Martin Corporation | Constant-temperature-difference bidirectional flow sensor |
NL1014797C2 (nl) * | 2000-03-30 | 2001-10-02 | Berkin Bv | Massadebietmeter. |
JP2002310763A (ja) * | 2001-04-13 | 2002-10-23 | Kofurotsuku Kk | 流量測定装置 |
JP3969167B2 (ja) * | 2002-04-22 | 2007-09-05 | 三菱電機株式会社 | 流体流量測定装置 |
US7000464B2 (en) | 2002-05-28 | 2006-02-21 | Mcmillan Company | Measuring and control of low fluid flow rates with heated conduit walls |
US6736005B2 (en) * | 2002-05-28 | 2004-05-18 | Mcmillan Company | High accuracy measuring and control of low fluid flow rates |
KR100808860B1 (ko) * | 2004-07-23 | 2008-03-03 | 삼성전자주식회사 | 가열조리장치 |
IL204752A (en) * | 2010-03-25 | 2015-08-31 | Vasa Applied Technologies Ltd | METHOD AND DEVICE FOR MEASURING BODY LIQUID FLOWS IN SECTION |
CA2853172A1 (en) * | 2011-10-26 | 2013-05-02 | Weatherford Canada Partnership | Method and system for flow measurement |
CN108884742B (zh) * | 2016-03-02 | 2022-02-01 | 沃特洛电气制造公司 | 虚拟传感*** |
CN107014452A (zh) * | 2017-04-17 | 2017-08-04 | 西安电子科技大学 | 恒温差热式流量传感器的流量检测电路 |
US11587839B2 (en) | 2019-06-27 | 2023-02-21 | Analog Devices, Inc. | Device with chemical reaction chamber |
US11712516B2 (en) | 2020-04-17 | 2023-08-01 | Analog Devices, Inc. | Fluid delivery device |
CN112461310A (zh) * | 2020-12-07 | 2021-03-09 | 中国石油天然气集团有限公司 | 一种温差流量传感器 |
US11604084B2 (en) | 2021-04-15 | 2023-03-14 | Analog Devices, Inc. | Sensor package |
US11796367B2 (en) | 2021-05-07 | 2023-10-24 | Analog Devices, Inc. | Fluid control system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2552017A (en) * | 1947-04-26 | 1951-05-08 | Wright Aeronautical Corp | Flowmeter |
US2726546A (en) * | 1952-03-26 | 1955-12-13 | Jr Robert W King | Apparatus for measuring fluid flow |
US3020760A (en) * | 1957-10-31 | 1962-02-13 | Flow Measurements Corp | Flow cell |
DE1905999A1 (de) * | 1969-02-07 | 1970-09-03 | Interatom | Verfahren und Vorrichtung zur Messung der Durchflussmenge von Gasen und Fluessigkeiten |
GB1352175A (en) * | 1971-06-09 | 1974-05-08 | Perkin Elmer Ltd | Electrical flowmeters |
US4255968A (en) * | 1979-06-08 | 1981-03-17 | Intek, Inc. | Flow indicator |
JPS6478116A (en) * | 1987-09-19 | 1989-03-23 | Univ Kyushu | Measuring instrument for water flow rate in plant stem |
US4843881A (en) * | 1987-12-24 | 1989-07-04 | Aalborg Instruments & Controls | Fluid flow sensor system |
JPH02141621A (ja) * | 1988-11-22 | 1990-05-31 | Oval Eng Co Ltd | 熱式流量センサ |
JPH03241312A (ja) * | 1990-02-20 | 1991-10-28 | Seiko Epson Corp | 反射型液晶ライトバルブ |
-
1990
- 1990-06-15 JP JP1990063431U patent/JPH086268Y2/ja not_active Expired - Lifetime
-
1991
- 1991-06-10 US US07/713,188 patent/US5222395A/en not_active Expired - Lifetime
- 1991-06-12 DE DE69106961T patent/DE69106961T2/de not_active Expired - Lifetime
- 1991-06-12 EP EP91201466A patent/EP0467430B1/de not_active Expired - Lifetime
- 1991-06-14 KR KR1019910009855A patent/KR0184673B1/ko not_active IP Right Cessation
- 1991-06-14 CA CA002044655A patent/CA2044655C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5222395A (en) | 1993-06-29 |
KR920001181A (ko) | 1992-01-30 |
EP0467430B1 (de) | 1995-01-25 |
KR0184673B1 (ko) | 1999-05-15 |
JPH0421917U (de) | 1992-02-24 |
CA2044655C (en) | 2001-12-11 |
CA2044655A1 (en) | 1991-12-16 |
EP0467430A1 (de) | 1992-01-22 |
DE69106961T2 (de) | 1995-08-31 |
JPH086268Y2 (ja) | 1996-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: OVAL CORP., TOKIO/TOKYO, JP |