IT1284606B1 - Dispositivo e procedimento atti alla regolazione della temperatura di una resistenza di misurazione rilevante la portata di un fluido che - Google Patents

Dispositivo e procedimento atti alla regolazione della temperatura di una resistenza di misurazione rilevante la portata di un fluido che

Info

Publication number
IT1284606B1
IT1284606B1 IT96MI001985A ITMI961985A IT1284606B1 IT 1284606 B1 IT1284606 B1 IT 1284606B1 IT 96MI001985 A IT96MI001985 A IT 96MI001985A IT MI961985 A ITMI961985 A IT MI961985A IT 1284606 B1 IT1284606 B1 IT 1284606B1
Authority
IT
Italy
Prior art keywords
regulation
procedure
fluid
temperature
flow rate
Prior art date
Application number
IT96MI001985A
Other languages
English (en)
Inventor
Josef Kleinhans
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ITMI961985A1 publication Critical patent/ITMI961985A1/it
Application granted granted Critical
Publication of IT1284606B1 publication Critical patent/IT1284606B1/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means
    • 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
    • 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
    • G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods
    • 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
    • G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Volume Flow (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Temperature (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Feedback Control In General (AREA)
IT96MI001985A 1995-10-07 1996-09-27 Dispositivo e procedimento atti alla regolazione della temperatura di una resistenza di misurazione rilevante la portata di un fluido che IT1284606B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19537466A DE19537466A1 (de) 1995-10-07 1995-10-07 Vorrichtung und Verfahren zur Regelung der Temperatur eines den Durchsatz eines strömenden Mediums erfassenden Meßwiderstandes

Publications (2)

Publication Number Publication Date
ITMI961985A1 ITMI961985A1 (it) 1998-03-27
IT1284606B1 true IT1284606B1 (it) 1998-05-21

Family

ID=7774329

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001985A IT1284606B1 (it) 1995-10-07 1996-09-27 Dispositivo e procedimento atti alla regolazione della temperatura di una resistenza di misurazione rilevante la portata di un fluido che

Country Status (4)

Country Link
JP (1) JPH09128064A (it)
KR (1) KR100442895B1 (it)
DE (1) DE19537466A1 (it)
IT (1) IT1284606B1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856090C1 (de) * 1998-12-04 2000-07-06 Pcs Process Control Systems Gm Vorrichtung zur Meßsignalvorverarbeitung für eine speicherprogrammierte Steuerung (SPS)
DE10054897B4 (de) * 2000-11-06 2005-01-13 Techem Service Ag & Co. Kg Regelung für Fußbodenheizungen oder kombinierte Fußboden- und Radiatorheizungen
US6905242B2 (en) * 2003-01-16 2005-06-14 Dwyer Instruments, Inc. Sensor temperature control in a thermal anemometer
DE102004048901A1 (de) * 2004-10-06 2006-04-20 Heuschmidt, Richard, Dipl.-Inform. Med. Verfahren zum Konstanthalten der Temperatur eines elektrisch beheizten Sensors bei Lastwechseln
JP4371103B2 (ja) * 2005-12-01 2009-11-25 トヨタ自動車株式会社 内燃機関の吸入空気量算出装置
JP4316635B2 (ja) * 2007-05-18 2009-08-19 三菱電機株式会社 内燃機関の制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013446B2 (ja) * 1978-11-10 1985-04-08 株式会社日本自動車部品総合研究所 気体流量測定装置
JPS57163822A (en) * 1981-04-01 1982-10-08 Nippon Soken Inc Measuring device for air flow rate
JPS5965216A (ja) * 1982-10-06 1984-04-13 Hitachi Ltd 熱式流量計
JPH01245119A (ja) * 1988-03-28 1989-09-29 Ngk Spark Plug Co Ltd 熱線式流量測定装置
JP2656669B2 (ja) * 1991-03-07 1997-09-24 株式会社日立製作所 温度測定計を兼ねる熱式空気流量計
JPH0682286A (ja) * 1992-08-31 1994-03-22 Murata Mfg Co Ltd 熱式流量計

Also Published As

Publication number Publication date
ITMI961985A1 (it) 1998-03-27
DE19537466A1 (de) 1997-04-10
JPH09128064A (ja) 1997-05-16
KR100442895B1 (ko) 2004-09-24
KR970022232A (ko) 1997-05-28

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0001 Granted