IT1284606B1 - DEVICE AND PROCEDURE FOR THE REGULATION OF THE TEMPERATURE OF A MEASURING RESISTANCE RELEVANT THE FLOW RATE OF A FLUID THAT - Google Patents

DEVICE AND PROCEDURE FOR THE REGULATION OF THE TEMPERATURE OF A MEASURING RESISTANCE RELEVANT THE FLOW RATE OF A FLUID THAT

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
Italian (it)
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/en
Application granted granted Critical
Publication of IT1284606B1 publication Critical patent/IT1284606B1/en

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)
  • Feedback Control In General (AREA)
  • Control Of Temperature (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
IT96MI001985A 1995-10-07 1996-09-27 DEVICE AND PROCEDURE FOR THE REGULATION OF THE TEMPERATURE OF A MEASURING RESISTANCE RELEVANT THE FLOW RATE OF A FLUID THAT IT1284606B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19537466A DE19537466A1 (en) 1995-10-07 1995-10-07 Temperature control arrangement for measurement resistance for determining medium flow

Publications (2)

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

Family

ID=7774329

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001985A IT1284606B1 (en) 1995-10-07 1996-09-27 DEVICE AND PROCEDURE FOR THE REGULATION OF THE TEMPERATURE OF A MEASURING RESISTANCE RELEVANT THE FLOW RATE OF A FLUID THAT

Country Status (4)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856090C1 (en) * 1998-12-04 2000-07-06 Pcs Process Control Systems Gm Measuring signal preprocessing device for a programmable logic controller (PLC)
DE10054897B4 (en) * 2000-11-06 2005-01-13 Techem Service Ag & Co. Kg Regulation for floor heating or combined floor and radiator heating
US6905242B2 (en) * 2003-01-16 2005-06-14 Dwyer Instruments, Inc. Sensor temperature control in a thermal anemometer
DE102004048901A1 (en) * 2004-10-06 2006-04-20 Heuschmidt, Richard, Dipl.-Inform. Med. Method for keeping constant the temperature of an electrically heated sensor during load changes
JP4371103B2 (en) 2005-12-01 2009-11-25 トヨタ自動車株式会社 Intake air amount calculation device for internal combustion engine
JP4316635B2 (en) * 2007-05-18 2009-08-19 三菱電機株式会社 Control device for internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013446B2 (en) * 1978-11-10 1985-04-08 株式会社日本自動車部品総合研究所 Gas flow measuring device
JPS57163822A (en) * 1981-04-01 1982-10-08 Nippon Soken Inc Measuring device for air flow rate
JPS5965216A (en) * 1982-10-06 1984-04-13 Hitachi Ltd Heat type flowmeter
JPH01245119A (en) * 1988-03-28 1989-09-29 Ngk Spark Plug Co Ltd Hot-wire type flow rate measuring instrument
JP2656669B2 (en) * 1991-03-07 1997-09-24 株式会社日立製作所 Thermal air flow meter that also functions as a temperature measurement meter
JPH0682286A (en) * 1992-08-31 1994-03-22 Murata Mfg Co Ltd Thermal type flowmeter

Also Published As

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

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Legal Events

Date Code Title Description
0001 Granted