FR2684443A1 - Element de mesure pour un dispositif servant a determiner la masse d'un fluide en mouvement, notamment de l'air. - Google Patents

Element de mesure pour un dispositif servant a determiner la masse d'un fluide en mouvement, notamment de l'air. Download PDF

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Publication number
FR2684443A1
FR2684443A1 FR9211956A FR9211956A FR2684443A1 FR 2684443 A1 FR2684443 A1 FR 2684443A1 FR 9211956 A FR9211956 A FR 9211956A FR 9211956 A FR9211956 A FR 9211956A FR 2684443 A1 FR2684443 A1 FR 2684443A1
Authority
FR
France
Prior art keywords
slot
separation
support
segment
measuring element
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.)
Granted
Application number
FR9211956A
Other languages
English (en)
French (fr)
Other versions
FR2684443B1 (cg-RX-API-DMAC7.html
Inventor
Hecht Hans
Hoffacker Theodor-Armin
Schramm Dieter
Allpeter Arno
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 FR2684443A1 publication Critical patent/FR2684443A1/fr
Application granted granted Critical
Publication of FR2684443B1 publication Critical patent/FR2684443B1/fr
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
    • 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)
FR9211956A 1991-11-30 1992-10-08 Element de mesure pour un dispositif servant a determiner la masse d'un fluide en mouvement, notamment de l'air. Granted FR2684443A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
FR2684443A1 true FR2684443A1 (fr) 1993-06-04
FR2684443B1 FR2684443B1 (cg-RX-API-DMAC7.html) 1995-05-19

Family

ID=6446044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9211956A Granted FR2684443A1 (fr) 1991-11-30 1992-10-08 Element de mesure pour un dispositif servant a determiner la masse d'un fluide en mouvement, notamment de l'air.

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522811A1 (fr) * 1982-03-06 1983-09-09 Bosch Gmbh Robert Sonde de mesure pour la determination de la masse et/ou de la temperature d'un fluide en ecoulement
EP0271660A2 (de) * 1986-11-08 1988-06-22 Robert Bosch Gmbh Vorrichtung zur Bestimmung des Massendurchflusses eines strömenden Mediums
JPH04157326A (ja) * 1990-10-19 1992-05-29 Tokico Ltd 流量センサ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844354C2 (de) * 1988-12-30 1995-11-30 Bosch Gmbh Robert Meßvorrichtung zur Messung der Masse eines strömenden Mediums

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522811A1 (fr) * 1982-03-06 1983-09-09 Bosch Gmbh Robert Sonde de mesure pour la determination de la masse et/ou de la temperature d'un fluide en ecoulement
EP0271660A2 (de) * 1986-11-08 1988-06-22 Robert Bosch Gmbh Vorrichtung zur Bestimmung des Massendurchflusses eines strömenden Mediums
JPH04157326A (ja) * 1990-10-19 1992-05-29 Tokico Ltd 流量センサ

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HOLZMANN/MEYER/SCHUMPICH: "FERTIGKEITSLEHRE", TECHNISCHE MECHANIK TEIL 3,3.AUFL., 1975, B.G. TEUBNER VERLAG STUTTGART, pages 41 - 44 *
PATENT ABSTRACTS OF JAPAN vol. 16, no. 448 (P - 1423) 17 September 1992 (1992-09-17) *

Also Published As

Publication number Publication date
JPH05231900A (ja) 1993-09-07
JP3269580B2 (ja) 2002-03-25
FR2684443B1 (cg-RX-API-DMAC7.html) 1995-05-19
KR100239972B1 (ko) 2000-01-15
US5372040A (en) 1994-12-13
DE4139631C1 (en) 1993-03-11
KR930010530A (ko) 1993-06-22

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Effective date: 20060630