FR2446512B1 - Dispositif pour commander la temperature d'une resistance utilisee a des fins de mesure, notamment sur des moteurs a combustion interne - Google Patents

Dispositif pour commander la temperature d'une resistance utilisee a des fins de mesure, notamment sur des moteurs a combustion interne

Info

Publication number
FR2446512B1
FR2446512B1 FR7931298A FR7931298A FR2446512B1 FR 2446512 B1 FR2446512 B1 FR 2446512B1 FR 7931298 A FR7931298 A FR 7931298A FR 7931298 A FR7931298 A FR 7931298A FR 2446512 B1 FR2446512 B1 FR 2446512B1
Authority
FR
France
Prior art keywords
controlling
temperature
internal combustion
combustion engines
measurement purposes
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
Application number
FR7931298A
Other languages
English (en)
Other versions
FR2446512A1 (fr
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 FR2446512A1 publication Critical patent/FR2446512A1/fr
Application granted granted Critical
Publication of FR2446512B1 publication Critical patent/FR2446512B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • 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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/6983—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters adapted for burning-off deposits

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
FR7931298A 1979-01-10 1979-12-20 Dispositif pour commander la temperature d'une resistance utilisee a des fins de mesure, notamment sur des moteurs a combustion interne Expired FR2446512B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792900690 DE2900690A1 (de) 1979-01-10 1979-01-10 Einrichtung zur temperatursteuerung eines messzwecken dienenden widerstandes, insbesondere bei brennkraftmaschinen

Publications (2)

Publication Number Publication Date
FR2446512A1 FR2446512A1 (fr) 1980-08-08
FR2446512B1 true FR2446512B1 (fr) 1985-07-19

Family

ID=6060268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931298A Expired FR2446512B1 (fr) 1979-01-10 1979-12-20 Dispositif pour commander la temperature d'une resistance utilisee a des fins de mesure, notamment sur des moteurs a combustion interne

Country Status (4)

Country Link
US (1) US4357829A (fr)
JP (1) JPS5594114A (fr)
DE (1) DE2900690A1 (fr)
FR (1) FR2446512B1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2927378A1 (de) * 1979-07-06 1981-01-29 Bosch Gmbh Robert Einrichtung zum freibrennen eines zu messzwecken dienenden widerstandes
JPS57173065U (fr) * 1981-04-27 1982-10-30
JPS5866018A (ja) * 1981-10-16 1983-04-20 Hitachi Ltd 空気流量計
DE3227807A1 (de) * 1982-07-24 1984-01-26 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur verhinderung einer beschaedigung eines in einem stroemungsquerschnitt angeordneten temperaturabhaengigen widerstandes durch ueberhitzung und luftmassenmessvorrichtung zur durchfuehrung des verfahrens
JPS5978925U (ja) * 1982-11-18 1984-05-28 日本電子機器株式会社 熱線流量計の熱線付着物焼切り装置
DE3246523A1 (de) * 1982-12-16 1984-06-20 Robert Bosch Gmbh, 7000 Stuttgart Verfahreen und vorrichtung zum gesteuerten freibrennen eines messzwecken dienenden wiederstands
US4565091A (en) * 1984-04-20 1986-01-21 Nippondenso Co., Ltd. Apparatus for measuring the quantity of airflow passing through an intake passage of an engine
KR900001427B1 (ko) * 1986-03-31 1990-03-09 미쓰비시전기주식회사 연료 제어장치
JPS62248839A (ja) * 1986-04-22 1987-10-29 Mitsubishi Electric Corp 燃料制御装置
JPH0723702B2 (ja) * 1986-12-27 1995-03-15 マツダ株式会社 燃料制御装置
JPS63252223A (ja) * 1987-04-09 1988-10-19 Mazda Motor Corp 燃料制御装置
DE3835235A1 (de) * 1988-10-15 1990-04-19 Bosch Gmbh Robert Einrichtung zur temperatursteuerung eines widerstands
DE3932304A1 (de) * 1989-09-28 1991-04-11 Bosch Gmbh Robert Verfahren und vorrichtung zur temperatursteuerung eines messwiderstands
US5074147A (en) * 1990-03-08 1991-12-24 Analytical Services & Materials, Inc. Flow rate measuring apparatus
CH683800A5 (fr) * 1990-11-13 1994-05-13 Cossonay Meteorology Systems S Appareil pour la mesure de propriétés physiques de fluides.
US5854425A (en) * 1998-06-09 1998-12-29 Tao Of Systems Integration, Inc. Method for measurement and compensation of a time constant for a constant voltage anemometer
US6134959A (en) * 1998-08-17 2000-10-24 Tao Of Systems Integration, Inc. Method for detecting flow bifurcation during sonic flow conditions
GB0210657D0 (en) * 2002-05-10 2002-06-19 Melexis Nv Apparatus for measuring the mass flow of a high temperature gas stream
US6756571B2 (en) * 2002-10-17 2004-06-29 Hitachi, Ltd. System and method for compensation of contamination of a heated element in a heated element gas flow sensor
US20070048709A1 (en) * 2005-08-31 2007-03-01 Kimberly-Clark Worldwide, Inc. System for detection and analysis of biological waste spread in an undergarment
DE102007027898A1 (de) * 2007-06-18 2008-12-24 Robert Bosch Gmbh Elektrowerkzeug mit Kaltstartfunktion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014399A (fr) * 1973-06-06 1975-02-14
DE2457650A1 (de) * 1974-12-06 1976-06-10 Bosch Gmbh Robert Einrichtung zur ueberpruefung von gasen
JPS51134192A (en) * 1975-05-15 1976-11-20 Matsushita Electric Works Ltd Gas detecting device
JPS535335A (en) * 1976-07-05 1978-01-18 Nippon Soken Inc Suction air quantity detector for internal combustion engine
DE2750050C2 (de) * 1977-11-09 1983-12-08 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Luftmengenmessung

Also Published As

Publication number Publication date
FR2446512A1 (fr) 1980-08-08
JPH0248843B2 (fr) 1990-10-26
DE2900690A1 (de) 1980-07-24
DE2900690C2 (fr) 1988-04-14
US4357829A (en) 1982-11-09
JPS5594114A (en) 1980-07-17

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