JP3269580B2 - 測定素子 - Google Patents

測定素子

Info

Publication number
JP3269580B2
JP3269580B2 JP31832492A JP31832492A JP3269580B2 JP 3269580 B2 JP3269580 B2 JP 3269580B2 JP 31832492 A JP31832492 A JP 31832492A JP 31832492 A JP31832492 A JP 31832492A JP 3269580 B2 JP3269580 B2 JP 3269580B2
Authority
JP
Japan
Prior art keywords
slit
substrate
separating
measuring element
measuring
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
JP31832492A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05231900A (ja
Inventor
ヘヒト ハンス
ホフアッカー テオドール−アルミン
シュラム ディーター
アルトペーター アルノ
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPH05231900A publication Critical patent/JPH05231900A/ja
Application granted granted Critical
Publication of JP3269580B2 publication Critical patent/JP3269580B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)
JP31832492A 1991-11-30 1992-11-27 測定素子 Expired - Fee Related JP3269580B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4139631.6 1991-11-30
DE4139631A DE4139631C1 (en) 1991-11-30 1991-11-30 Measuring element for intake air flowmeter of IC engine - has slot in substrate board separating film resistors

Publications (2)

Publication Number Publication Date
JPH05231900A JPH05231900A (ja) 1993-09-07
JP3269580B2 true JP3269580B2 (ja) 2002-03-25

Family

ID=6446044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31832492A Expired - Fee Related JP3269580B2 (ja) 1991-11-30 1992-11-27 測定素子

Country Status (5)

Country Link
US (1) US5372040A (cg-RX-API-DMAC7.html)
JP (1) JP3269580B2 (cg-RX-API-DMAC7.html)
KR (1) KR100239972B1 (cg-RX-API-DMAC7.html)
DE (1) DE4139631C1 (cg-RX-API-DMAC7.html)
FR (1) FR2684443A1 (cg-RX-API-DMAC7.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308227C2 (de) * 1993-03-16 1996-02-01 Bosch Gmbh Robert Vorrichtung zur Bestimmung der Masse eines strömenden Mediums
JP3133608B2 (ja) * 1994-02-28 2001-02-13 株式会社ユニシアジェックス 熱式空気流量検出装置
JPH08313320A (ja) * 1995-05-19 1996-11-29 Hitachi Ltd 熱式空気流量計用測定素子及びそれを含む熱式空気流量計
US7109842B1 (en) * 1998-12-07 2006-09-19 Honeywell International Inc. Robust fluid flow and property microsensor made of optimal material
US6796172B2 (en) * 2002-07-31 2004-09-28 Hewlett-Packard Development Company, L.P. Flow sensor
US7467630B2 (en) * 2004-02-11 2008-12-23 Hewlett-Packard Development Company, L.P. Medicament dispenser
US7481213B2 (en) * 2004-02-11 2009-01-27 Hewlett-Packard Development Company, L.P. Medicament dispenser
GB2469242B (en) * 2008-01-31 2011-12-28 Hewlett Packard Development Co Insulating aperture in printed circuit boards
JP6674044B2 (ja) * 2016-11-30 2020-04-01 日立オートモティブシステムズ株式会社 空気流量測定装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208096A1 (de) * 1982-03-06 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Messsonde zur bestimmung der masse und/oder temperatur eines stroemenden mediums
DE3638138A1 (de) * 1986-11-08 1988-05-11 Bosch Gmbh Robert Vorrichtung zur bestimmung der masse eines stroemenden mediums
DE3844354C2 (de) * 1988-12-30 1995-11-30 Bosch Gmbh Robert Meßvorrichtung zur Messung der Masse eines strömenden Mediums
JPH04157326A (ja) * 1990-10-19 1992-05-29 Tokico Ltd 流量センサ

Also Published As

Publication number Publication date
JPH05231900A (ja) 1993-09-07
FR2684443B1 (cg-RX-API-DMAC7.html) 1995-05-19
KR100239972B1 (ko) 2000-01-15
US5372040A (en) 1994-12-13
FR2684443A1 (fr) 1993-06-04
DE4139631C1 (en) 1993-03-11
KR930010530A (ko) 1993-06-22

Similar Documents

Publication Publication Date Title
JP3269580B2 (ja) 測定素子
US4283944A (en) Apparatus for measuring the mass of a fluid medium
US4562731A (en) Air flow meter
US4870860A (en) Direct-heated flow measuring apparatus having improved response characteristics
US4344322A (en) Device for air flow rate measurement in the air intake tube of an internal combustion engine
US4843882A (en) Direct-heated flow measuring apparatus having improved sensitivity response speed
GB1586385A (en) Measuring probes for use in measuring the mass of flowing fluid
US20040211253A1 (en) Thermal type flow measuring device
US6684693B2 (en) Heat generation type flow sensor
KR100313648B1 (ko) 유동매질의유량측정장치용측정소자
US4471655A (en) Gas flow rate measuring apparatus
US4261199A (en) Air flow measurement apparatus
US5105660A (en) Intake air quantity measuring apparatus
US4761995A (en) Direct-heated flow measuring apparatus having improved sensitivity and response speed
JP2002340645A (ja) 流量検出装置
US4587844A (en) Flow rate meter
US4397179A (en) Device for measuring the mass of a flowing medium
JP3095322B2 (ja) 熱式空気流量検出装置
JP3068950B2 (ja) 質量流量計
JP3133609B2 (ja) 熱式空気流量検出装置
JP2633994B2 (ja) 熱式空気流量計
JPH08105778A (ja) 熱式流量計
JPH06148015A (ja) ブリッジ式センサ
JPH0715395B2 (ja) 吸入空気流量測定装置
KR100244902B1 (ko) 공기유속 센서소자 및 그 측정회로

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees