KR910018781A - 공기유량검출기 - Google Patents

공기유량검출기 Download PDF

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Publication number
KR910018781A
KR910018781A KR1019910006083A KR910006083A KR910018781A KR 910018781 A KR910018781 A KR 910018781A KR 1019910006083 A KR1019910006083 A KR 1019910006083A KR 910006083 A KR910006083 A KR 910006083A KR 910018781 A KR910018781 A KR 910018781A
Authority
KR
South Korea
Prior art keywords
air flow
flow rate
thermosensitive
substrate
resistor
Prior art date
Application number
KR1019910006083A
Other languages
English (en)
Other versions
KR100226617B1 (ko
Inventor
가오루 우찌야마
Original Assignee
미쓰다 가쓰시게
가부시기가이샤 히다찌 세이사꾸쇼
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 미쓰다 가쓰시게, 가부시기가이샤 히다찌 세이사꾸쇼 filed Critical 미쓰다 가쓰시게
Publication of KR910018781A publication Critical patent/KR910018781A/ko
Application granted granted Critical
Publication of KR100226617B1 publication Critical patent/KR100226617B1/ko

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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
    • G01F5/00—Measuring a proportion of the volume flow
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

내용 없음

Description

공기유량검출기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명의 실시예를 표시하는 단면도, 제 2도는 제 1도의 II-II 단면도, 제 3도는 홀더와 기판의 고정부 상세도.

Claims (9)

  1. 온도에 의하여 해당저항치가 변화하는 감온막 저항체에 의하여 공기유량을 검출하는 공기유량검출기에 있어서 상기 막저항체와 해당막 저항체의 통전전류를 제어하는 회로를 단일한 공통기판상에 형성한 것을 특징으로 하는 공기유량검출기.
  2. 공기통로에 설치한 절연성의 정류판에 감온막저항체와 해당 감온저향체의 통전전류를 제어하는 회로를 형성한 것을 특징으로 하는 공기유량검출기.
  3. 제 1 및 제 2항에 있어서, 감온저항막 및 회로를 보호막에 의하여 덮은것을 특징으로 하는 공기유량검출기.
  4. 제 1 및 제 2항에 있어서, 감온저항체는 피검출기공기의 일부를 바이패스한 공기통로부에 설치한 것을 특징으로 하는 공기유량검출기.
  5. 제 1 및 제 2항에 있어서 기판 또는 정류판을 지지하는홀더에 공기유로를 일체로 형성하고 해당공기통로부에 감온막 저항체를 배설한 것을 특징으로 하는 공기유량검출기.
  6. 기판상에 형성한 감온막적항에 의하여 공기유량을 검출하는 공기유량검출기에 있어서 상기 기판과 감온저항체의 사이에 절연체를 형성한 것을 특징으로한 공기유량검출기.
  7. 기판상에 형성한 감온막저항에 의하여 공기유량을 검출하는 공기유량검출기에 있어서 상기 감온저항체를 피검출공기의 흐름방향으로 형성하고 상기 감온저항체는 흐름방향의 상류측에서 좁은폭, 하류측에서 넓은폭으로 형성한 것을 특징으로 한 공기 유량검출기.
  8. 기판상에 형성한 감온막저항에 의하여 공기유량을 검출하는 공기유량검출기에 있어서 기판을 지지하는 홀더와 상기 감온막저항 형성부간의 기판부의 횡단면적을 불균일하게 한것을 특징으로 한 공기 유량검출기.
  9. 기판상에 형성한 감온막저항에 의하여 공기유량을 검출하는 공기유량검출기에 있어서 상기 감온저항체를 공통의 기판상에 적어도 2개 이상 설치하고, 공기통로에 배치한것을 특징으로 한 공기 유량검출기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910006083A 1990-04-18 1991-04-16 공기유량 검출기 KR100226617B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2100332A JP2564415B2 (ja) 1990-04-18 1990-04-18 空気流量検出器
JP2-100332 1990-04-18

Publications (2)

Publication Number Publication Date
KR910018781A true KR910018781A (ko) 1991-11-30
KR100226617B1 KR100226617B1 (ko) 1999-10-15

Family

ID=14271195

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910006083A KR100226617B1 (ko) 1990-04-18 1991-04-16 공기유량 검출기

Country Status (4)

Country Link
US (1) US5351536A (ko)
JP (1) JP2564415B2 (ko)
KR (1) KR100226617B1 (ko)
DE (1) DE4112601C2 (ko)

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JP2846518B2 (ja) * 1992-03-18 1999-01-13 株式会社日立製作所 空気流量検出器及びそれを使用したエンジン制御装置
US5753815A (en) * 1994-11-17 1998-05-19 Ricoh Company, Ltd. Thermo-sensitive flow sensor for measuring flow velocity and flow rate of a gas
DE19534906C2 (de) * 1995-09-20 1998-03-19 Deutsche Automobilgesellsch Sensoranordnung zum Messen der Masse eines strömenden Mediums nach dem Prinzip des Heißfilm-Anemometers
JPH1084278A (ja) * 1996-09-10 1998-03-31 Nec Corp Ｐｌｌ回路
EP1035406A4 (en) * 1997-11-21 2005-03-30 Mitsui Mining & Smelting Co FLOW DETECTOR, TEMPERATURE SENSOR, AND FLOW MEASURING INSTRUMENT
JP3555017B2 (ja) * 1999-09-22 2004-08-18 三菱電機株式会社 感熱式流量センサ
CN1272606C (zh) * 2000-07-27 2006-08-30 株式会社日立制作所 热式空气流量计
US6763712B1 (en) 2000-10-05 2004-07-20 Ford Global Technologies, Llc Flow-sensing device and method for fabrication
EP1253409A1 (de) * 2001-04-26 2002-10-30 Endress + Hauser Flowtec AG Magnetkreisanordnung für einen Messwertaufnehmer
US7051589B2 (en) * 2001-06-13 2006-05-30 Hitachi, Ltd. Heating resistor flow rate measuring instrument
JP3900334B2 (ja) * 2001-10-22 2007-04-04 三菱電機株式会社 流量センサ
DE10162276C5 (de) * 2001-12-19 2019-03-14 Watlow Electric Manufacturing Co. Rohrförmiger Durchlauferhitzer und Heizplatte sowie Verfahren zu deren Herstellung
DE102004038988B3 (de) * 2004-08-10 2006-01-19 Siemens Ag Strömungssensor
US7278308B2 (en) * 2005-12-08 2007-10-09 Honeywell International Inc. Thermal isolation between heating and sensing for flow sensors
DE102005061703A1 (de) * 2005-12-21 2007-07-05 Innovative Sensor Technology Ist Ag Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgrösse und Verfahren zur Herstellung einer entsprechenden Sensoreinheit
DE102008021896B4 (de) 2008-05-02 2010-08-05 Continental Automotive Gmbh Vorrichtung zur Bestimmung einer Messgröße eines Gases
DE102008037206B4 (de) * 2008-08-11 2014-07-03 Heraeus Sensor Technology Gmbh 300°C-Flowsensor
WO2012012769A2 (en) * 2010-07-23 2012-01-26 Fluid Components International Llc Shield for heat transfer restriction for high flow rate use in a thermal flow rate sensor
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JP5662382B2 (ja) * 2012-06-15 2015-01-28 日立オートモティブシステムズ株式会社 熱式流量計
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Also Published As

Publication number Publication date
JP2564415B2 (ja) 1996-12-18
KR100226617B1 (ko) 1999-10-15
JPH041527A (ja) 1992-01-07
US5351536A (en) 1994-10-04
DE4112601C2 (de) 1995-05-04
DE4112601A1 (de) 1991-10-24

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