DE69106961D1 - Thermischer Durchflussmesser. - Google Patents

Thermischer Durchflussmesser.

Info

Publication number: DE69106961D1
Authority: DE; Germany
Prior art keywords: flow meter; thermal flow; thermal; meter; flow
Prior art date: 1990-06-15
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

Application number

DE69106961T

Other languages

English (en)

Other versions

DE69106961T2 (de

Inventor

Naoki Matubara

Hiroyuki Katougi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Oval Corp

Original Assignee

Oval Engineering Co Ltd

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.)

1990-06-15

Filing date

1991-06-12

Publication date

1995-03-09

1991-06-12 Application filed by Oval Engineering Co Ltd filed Critical Oval Engineering Co Ltd

1995-03-09 Publication of DE69106961D1 publication Critical patent/DE69106961D1/de

1995-08-31 Application granted granted Critical

1995-08-31 Publication of DE69106961T2 publication Critical patent/DE69106961T2/de

2011-06-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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)

DE69106961T 1990-06-15 1991-06-12 Thermischer Durchflussmesser. Expired - Lifetime DE69106961T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date	Code	Title	Description
1996-02-29	8364	No opposition during term of opposition
2004-01-08	8327	Change in the person/name/address of the patent owner	Owner name: OVAL CORP., TOKIO/TOKYO, JP

Publication	Publication Date	Title
DE69106961D1 (de)	1995-03-09	Thermischer Durchflussmesser.
DE59106867D1 (de)	1995-12-14	Magnetisch-induktiver Durchflussmesser.
DE59207827D1 (de)	1997-02-20	Massendurchflussmessgerät
NO952732D0 (no)	1995-07-10	Gjennomströmningsmåler
DE59007478D1 (de)	1994-11-24	Massendurchflussmessgerät.
NL193641B (nl)	2000-01-03	Doorstroommeter.
DE69523190D1 (de)	2001-11-22	Strömungsmessgerät
NO874883D0 (no)	1987-11-24	Elektromagnetisk stroemningsmaaler.
DE69232453D1 (de)	2002-04-11	Thermischer Durchflussmesser
DE3787183D1 (de)	1993-10-07	Elektromagnetischer Durchflussmesser.
DE69015526D1 (de)	1995-02-09	Elektromagnetischer Durchflussmesser.
DE69019453D1 (de)	1995-06-22	Verbesserter Coriolis-Typ-Durchflussmesser.
DE69008257D1 (de)	1994-05-26	Wirbeldurchflussmesser.
DE69102856D1 (de)	1994-08-18	Wärmerohr.
DE69231960D1 (de)	2001-08-30	Durchflussmesser
DE69116221D1 (de)	1996-02-22	Luftdurchflussmesser
DE69118324D1 (de)	1996-05-02	Luftdurchflussmesser
FR2663417B1 (fr)	1997-04-04	Debitmetre fluidique.
FR2664046B1 (fr)	1995-04-28	Debitmetre fluidique.
DE69024204D1 (de)	1996-01-25	Durchflussmessgerät
DE69738009D1 (de)	2007-09-27	Thermischer Strömungsmengenmesser
DE69329307D1 (de)	2000-10-05	Dampfdurchflussmesser
DE69101729D1 (de)	1994-05-26	Windmesser.
DE59203846D1 (de)	1995-11-02	Wirbelströmungsmessgerät.
DE69108840D1 (de)	1995-05-18	Fluoreszenzmessgerät.