DE4139631C1 - Measuring element for intake air flowmeter of IC engine - has slot in substrate board separating film resistors - Google Patents

Measuring element for intake air flowmeter of IC engine - has slot in substrate board separating film resistors

Info

Publication number
DE4139631C1
DE4139631C1 DE4139631A DE4139631A DE4139631C1 DE 4139631 C1 DE4139631 C1 DE 4139631C1 DE 4139631 A DE4139631 A DE 4139631A DE 4139631 A DE4139631 A DE 4139631A DE 4139631 C1 DE4139631 C1 DE 4139631C1
Authority
DE
Germany
Prior art keywords
slot
substrate
separating
measuring element
slot end
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
DE4139631A
Other languages
German (de)
English (en)
Inventor
Arno 7032 Sindelfingen De Altpeter
Hans Dipl.-Phys. 7015 Korntal De Hecht
Dieter Dipl.-Math. Dr. 7000 Stuttgart De Schramm
Theodor-Armin Dipl.-Ing. 7128 Lauffen De Hoffacker
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
Priority to DE4139631A priority Critical patent/DE4139631C1/de
Priority to FR9211956A priority patent/FR2684443A1/fr
Priority to KR1019920022400A priority patent/KR100239972B1/ko
Priority to US07/982,331 priority patent/US5372040A/en
Priority to JP31832492A priority patent/JP3269580B2/ja
Application granted granted Critical
Publication of DE4139631C1 publication Critical patent/DE4139631C1/de
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)
DE4139631A 1991-11-30 1991-11-30 Measuring element for intake air flowmeter of IC engine - has slot in substrate board separating film resistors Expired - Fee Related DE4139631C1 (en)

Priority Applications (5)

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
FR9211956A 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.
KR1019920022400A KR100239972B1 (ko) 1991-11-30 1992-11-26 측정소자
US07/982,331 US5372040A (en) 1991-11-30 1992-11-27 Measuring element for the aspirated air of an internal combustion engine
JP31832492A JP3269580B2 (ja) 1991-11-30 1992-11-27 測定素子

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 (1)

Publication Number Publication Date
DE4139631C1 true DE4139631C1 (en) 1993-03-11

Family

ID=6446044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4139631A Expired - Fee Related 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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2127871C1 (ru) * 1993-03-16 1999-03-20 Роберт Бош Гмбх Измерительный элемент

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638138A1 (de) * 1986-11-08 1988-05-11 Bosch Gmbh Robert Vorrichtung zur bestimmung der masse eines stroemenden mediums

Family Cites Families (3)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638138A1 (de) * 1986-11-08 1988-05-11 Bosch Gmbh Robert Vorrichtung zur bestimmung der masse eines stroemenden mediums

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-B.: Holzmann/Meyer/Schumpich: Technische Mechanik, Teil 3, Fertigkeitslehre, 3. Aufl., B.G. Teubner Verlag, Stuttgart 1975, S. 41-44 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2127871C1 (ru) * 1993-03-16 1999-03-20 Роберт Бош Гмбх Измерительный элемент

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
FR2684443A1 (fr) 1993-06-04
KR930010530A (ko) 1993-06-22

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee