JPH0221729B2 - - Google Patents

Info

Publication number
JPH0221729B2
JPH0221729B2 JP57199236A JP19923682A JPH0221729B2 JP H0221729 B2 JPH0221729 B2 JP H0221729B2 JP 57199236 A JP57199236 A JP 57199236A JP 19923682 A JP19923682 A JP 19923682A JP H0221729 B2 JPH0221729 B2 JP H0221729B2
Authority
JP
Japan
Prior art keywords
sensor pipe
sensor
groove
heater
temperature
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
Application number
JP57199236A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5988622A (ja
Inventor
Akira Wachi
Minehisa Hayashi
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.)
Ohkura Electric Co Ltd
Original Assignee
Ohkura Electric 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.)
Filing date
Publication date
Application filed by Ohkura Electric Co Ltd filed Critical Ohkura Electric Co Ltd
Priority to JP57199236A priority Critical patent/JPS5988622A/ja
Priority to US06/550,389 priority patent/US4517838A/en
Publication of JPS5988622A publication Critical patent/JPS5988622A/ja
Publication of JPH0221729B2 publication Critical patent/JPH0221729B2/ja
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
    • 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)
JP57199236A 1982-11-12 1982-11-12 熱式質量流量計 Granted JPS5988622A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57199236A JPS5988622A (ja) 1982-11-12 1982-11-12 熱式質量流量計
US06/550,389 US4517838A (en) 1982-11-12 1983-11-10 Thermal mass flow meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57199236A JPS5988622A (ja) 1982-11-12 1982-11-12 熱式質量流量計

Publications (2)

Publication Number Publication Date
JPS5988622A JPS5988622A (ja) 1984-05-22
JPH0221729B2 true JPH0221729B2 (OSRAM) 1990-05-16

Family

ID=16404418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57199236A Granted JPS5988622A (ja) 1982-11-12 1982-11-12 熱式質量流量計

Country Status (2)

Country Link
US (1) US4517838A (OSRAM)
JP (1) JPS5988622A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007138941A1 (ja) * 2006-05-26 2007-12-06 Horiba Stec, Co., Ltd. サーマル式質量流量計及びサーマル式質量流量制御装置
JP2015500490A (ja) * 2011-12-12 2015-01-05 カールスルーアー・インスティトゥート・フュア・テヒノロギーＫａｒｌｓｒｕｈｅｒ Ｉｎｓｔｉｔｕｔ ｆｕｅｒ Ｔｅｃｈｎｏｌｏｇｉｅ 流体の質量流量を測定する装置および方法

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191793A (en) * 1984-03-12 1993-03-09 Tylan Corporation Fluid mass flow meter device with reduced attitude sensitivity
JPH0676897B2 (ja) * 1986-05-27 1994-09-28 株式会社エステツク 熱式流量計
JP2814379B2 (ja) * 1988-06-20 1998-10-22 忠弘 大見 マスフローコントローラ
US4876887A (en) * 1988-06-27 1989-10-31 Mickler Brian E Thermal flux mass flowmeter
US4969357A (en) * 1988-06-27 1990-11-13 Mickler Brian E Compensated thermal flux mass flowmeter
US5216918A (en) * 1990-01-18 1993-06-08 Integrated Control Concepts, Inc. Fluid mass flow detecting
KR940011791B1 (ko) * 1992-04-15 1994-12-26 금성일렉트론주식회사 온도안정화 매스 플로우 컨트롤러 센서
DE69427645T2 (de) * 1993-10-06 2002-05-08 Unit Instruments, Inc. Apparat zur handhabung von prozess fluiden
US5918268A (en) * 1995-07-07 1999-06-29 Intelligent Controls, Inc. Line leak detection
US5792952A (en) * 1996-05-23 1998-08-11 Varian Associates, Inc. Fluid thermal mass flow sensor
US6244293B1 (en) 1997-07-15 2001-06-12 Faramarz Azima Fluid mass flow controller device and method
US6062077A (en) * 1997-10-17 2000-05-16 Azima; Faramarz Techniques for making and using a sensing assembly for a mass flow controller
WO1999021067A2 (en) * 1997-10-17 1999-04-29 Faramarz Frank Azima Mass flow controller and related methods
US20070163331A1 (en) * 2006-01-19 2007-07-19 Delaware Capital Formation, Inc. Line leak detector
NL1032007C2 (nl) * 2006-06-14 2007-12-17 Berkin Bv Stromingssensor van het thermische type.
US7469583B2 (en) * 2007-02-21 2008-12-30 Mks Japan, Inc. Flow sensor
US7874208B2 (en) * 2007-10-10 2011-01-25 Brooks Instrument, Llc System for and method of providing a wide-range flow controller
US8316695B2 (en) * 2009-05-08 2012-11-27 Delaware Capital Formation, Inc. Line leak detector and method of using same
US8850872B2 (en) 2009-05-08 2014-10-07 Opw Fuel Management Systems, Inc. Line leak detector and method of using same
US8418549B2 (en) * 2011-01-31 2013-04-16 Honeywell International Inc. Flow sensor assembly with integral bypass channel
JP6096070B2 (ja) * 2013-06-20 2017-03-15 日立オートモティブシステムズ株式会社 熱式流量計の製造方法
JP6217226B2 (ja) * 2013-08-09 2017-10-25 日立金属株式会社 熱式質量流量計、質量流量制御装置、及び熱式質量流量計の製造方法
NL2011975C2 (nl) 2013-12-17 2015-06-18 Berkin Bv Stromingsmeetapparaat van het thermische type.
US11262226B2 (en) 2020-02-17 2022-03-01 GWU Design Hybrid mass flow sensor including a thermal and coriolis principle measurement arrangements
CN112816011B (zh) * 2020-12-22 2023-05-23 北京七星华创流量计有限公司 一种流体测量传感器及质量流量控制器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586060A (en) * 1946-10-01 1952-02-19 Kronberger Hans Arrangement for measuring or indicating the flow of fluids
DE1065627B (OSRAM) * 1957-01-24
US3938384A (en) * 1972-10-13 1976-02-17 Tylan Corporation Mass flow meter with reduced attitude sensitivity
JPS5367156A (en) * 1976-11-29 1978-06-15 Hitachi Ltd Metallic heat insulator
JPS6050289B2 (ja) * 1979-11-20 1985-11-07 元 加野 熱式流量計
JPS57110920A (en) * 1980-12-27 1982-07-10 Esutetsuku:Kk Sensor for heat measuring type mass flowmeter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007138941A1 (ja) * 2006-05-26 2007-12-06 Horiba Stec, Co., Ltd. サーマル式質量流量計及びサーマル式質量流量制御装置
JP5123175B2 (ja) * 2006-05-26 2013-01-16 株式会社堀場エステック サーマル式質量流量計及びサーマル式質量流量制御装置
JP2015500490A (ja) * 2011-12-12 2015-01-05 カールスルーアー・インスティトゥート・フュア・テヒノロギーＫａｒｌｓｒｕｈｅｒ Ｉｎｓｔｉｔｕｔ ｆｕｅｒ Ｔｅｃｈｎｏｌｏｇｉｅ 流体の質量流量を測定する装置および方法

Also Published As

Publication number Publication date
JPS5988622A (ja) 1984-05-22
US4517838A (en) 1985-05-21

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