DE3841249C2 - - Google Patents

Info

Publication number
DE3841249C2
DE3841249C2 DE3841249A DE3841249A DE3841249C2 DE 3841249 C2 DE3841249 C2 DE 3841249C2 DE 3841249 A DE3841249 A DE 3841249A DE 3841249 A DE3841249 A DE 3841249A DE 3841249 C2 DE3841249 C2 DE 3841249C2
Authority
DE
Germany
Prior art keywords
heat
flow
fluid
resistors
sensitive
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
Application number
DE3841249A
Other languages
German (de)
English (en)
Other versions
DE3841249A1 (de
Inventor
Masanori Inada
Hichiro Ohtani
Tomoya Himeji Hyogo Jp Yamakawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3841249A1 publication Critical patent/DE3841249A1/de
Application granted granted Critical
Publication of DE3841249C2 publication Critical patent/DE3841249C2/de
Granted 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
DE3841249A 1987-12-26 1988-12-07 Stroemungsmessgeraet Granted DE3841249A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987197814U JPH01102724U (OSRAM) 1987-12-26 1987-12-26

Publications (2)

Publication Number Publication Date
DE3841249A1 DE3841249A1 (de) 1989-07-13
DE3841249C2 true DE3841249C2 (OSRAM) 1993-07-08

Family

ID=16380786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3841249A Granted DE3841249A1 (de) 1987-12-26 1988-12-07 Stroemungsmessgeraet

Country Status (3)

Country Link
US (1) US4916948A (OSRAM)
JP (1) JPH01102724U (OSRAM)
DE (1) DE3841249A1 (OSRAM)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD293778B5 (de) * 1990-04-18 1993-09-02 Kba Planeta Ag Pneumatische kontrolleinrichtung in druckmaschinen
JP2641333B2 (ja) * 1991-03-13 1997-08-13 日本碍子株式会社 熱式流量センサ
DE4130513C2 (de) * 1991-09-13 1996-10-24 Pierburg Ag Temperaturregler
US5263369A (en) * 1992-07-24 1993-11-23 Bear Medical Systems, Inc. Flow sensor system and method
US5419190A (en) * 1992-08-03 1995-05-30 Thermal Instrument Co. Apparatus and method for measurement of mass flow rates in a large conduit
DE4498938C2 (de) * 1993-11-18 2000-05-18 Unisia Jecs Corp Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors
US5764539A (en) * 1994-01-21 1998-06-09 Novartis Nutrition Ag Non-invasive system and method for a fluid flow monitoring system
US5463899A (en) * 1994-08-12 1995-11-07 Gas Research Institute Simultaneous measurement of gas thermal conductivity and mass flow
US5477734A (en) * 1994-08-12 1995-12-26 Gas Research Institute Pyroelectric swirl measurement
JPH08219838A (ja) * 1995-02-15 1996-08-30 Hitachi Ltd 空気流量測定装置
US5918268A (en) * 1995-07-07 1999-06-29 Intelligent Controls, Inc. Line leak detection
DE19942511B4 (de) * 1999-09-07 2005-07-14 Robert Bosch Gmbh Vorrichtung zur Messung wenigstens eines Parameters eines strömenden Mediums
US6227045B1 (en) 1999-09-16 2001-05-08 Us Army Corps Of Engineers As Represented By The Secretary Of The Army Groundwater flow measuring system
US6450024B1 (en) * 2001-03-07 2002-09-17 Delta M Corporation Flow sensing device
US7106167B2 (en) * 2002-06-28 2006-09-12 Heetronix Stable high temperature sensor system with tungsten on AlN
JP4177183B2 (ja) * 2003-06-18 2008-11-05 株式会社日立製作所 熱式空気流量計
US20060108003A1 (en) * 2004-11-15 2006-05-25 Bradford Steven K Fluid flow and leak detection system
DE102004058553A1 (de) * 2004-12-03 2006-06-08 Endress + Hauser Flowtec Ag Vorrichtung zur Bestimmung und/oder Überwachung des Durchflusses eines Messmediums
US7860667B2 (en) 2008-10-03 2010-12-28 Ruskin Company Gas measurement system
US8850872B2 (en) 2009-05-08 2014-10-07 Opw Fuel Management Systems, Inc. Line leak detector and method of using same
US8316695B2 (en) * 2009-05-08 2012-11-27 Delaware Capital Formation, Inc. Line leak detector and method of using same
US9273986B2 (en) 2011-04-14 2016-03-01 Trane International Inc. Water flow measurement device
US9568349B2 (en) 2013-03-15 2017-02-14 Ruskin Company Gas flow measurement system and method of operation
US9080908B2 (en) 2013-07-24 2015-07-14 Jesse Yoder Flowmeter design for large diameter pipes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975951A (en) * 1974-03-21 1976-08-24 Nippon Soken, Inc. Intake-air amount detecting system for an internal combustion engine
DE2809455A1 (de) * 1978-03-04 1979-09-06 Bosch Gmbh Robert Einrichtung zur luftmengenmessung
EP0008185B1 (en) * 1978-08-05 1983-06-08 Nissan Motor Co., Ltd. Flowmeter of hot wire type
DE2845661A1 (de) * 1978-10-20 1980-05-08 Bosch Gmbh Robert Vorrichtung zur messung der masse eines stroemenden mediums
US4304129A (en) * 1978-11-13 1981-12-08 Nippon Soken, Inc. Gas flow measuring apparatus
DE3109608A1 (de) * 1981-03-13 1982-09-23 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines stroemenden mediums
US4494406A (en) * 1982-12-23 1985-01-22 Ebtron, Inc. Means for measuring large area mass flow
DE3326047A1 (de) * 1983-07-20 1985-01-31 Robert Bosch Gmbh, 7000 Stuttgart Luftmassenmessvorrichtung
JPS6066116A (ja) * 1983-09-21 1985-04-16 Hitachi Ltd 内燃機関用吸入空気計量装置

Also Published As

Publication number Publication date
JPH01102724U (OSRAM) 1989-07-11
DE3841249A1 (de) 1989-07-13
US4916948A (en) 1990-04-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee