DE19629747C2 - Sensoreinrichtung - Google Patents

Sensoreinrichtung

Info

Publication number
DE19629747C2
DE19629747C2 DE1996129747 DE19629747A DE19629747C2 DE 19629747 C2 DE19629747 C2 DE 19629747C2 DE 1996129747 DE1996129747 DE 1996129747 DE 19629747 A DE19629747 A DE 19629747A DE 19629747 C2 DE19629747 C2 DE 19629747C2
Authority
DE
Germany
Prior art keywords
current
voltage
reference voltage
measurement signal
generates
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
DE1996129747
Other languages
German (de)
English (en)
Other versions
DE19629747A1 (de
Inventor
Harald Leiderer
Ludwig Schifferl
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.)
Continental Automotive GmbH
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE1996129747 priority Critical patent/DE19629747C2/de
Priority to FR9708882A priority patent/FR2751752B1/fr
Publication of DE19629747A1 publication Critical patent/DE19629747A1/de
Application granted granted Critical
Publication of DE19629747C2 publication Critical patent/DE19629747C2/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
    • 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
    • G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/148—Using a plurality of comparators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • 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
DE1996129747 1996-07-23 1996-07-23 Sensoreinrichtung Expired - Fee Related DE19629747C2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE1996129747 DE19629747C2 (de) 1996-07-23 1996-07-23 Sensoreinrichtung
FR9708882A FR2751752B1 (fr) 1996-07-23 1997-07-11 Dispositif capteur, notamment pour vehicule automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996129747 DE19629747C2 (de) 1996-07-23 1996-07-23 Sensoreinrichtung

Publications (2)

Publication Number Publication Date
DE19629747A1 DE19629747A1 (de) 1998-01-29
DE19629747C2 true DE19629747C2 (de) 1998-07-30

Family

ID=7800629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996129747 Expired - Fee Related DE19629747C2 (de) 1996-07-23 1996-07-23 Sensoreinrichtung

Country Status (2)

Country Link
DE (1) DE19629747C2 (fr)
FR (1) FR2751752B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818315C1 (de) * 1998-04-23 1999-09-16 Siemens Ag Einrichtung zum ratiometrischen Messen von Sensorsignalen
EP1073881B1 (fr) 1998-04-23 2002-03-20 Siemens Aktiengesellschaft Dispositif de mesure radiometrique de signaux emis par des detecteurs
JP3470073B2 (ja) 2000-01-21 2003-11-25 株式会社日立製作所 空気流量計
DE10323498A1 (de) 2003-05-23 2004-12-09 Robert Bosch Gmbh Elektronischer Schaltkreis zur Messgrößenerfassung
JP4197529B2 (ja) * 2006-09-21 2008-12-17 三菱電機株式会社 流量センサ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401949C1 (de) * 1994-01-24 1995-03-23 Pierburg Gmbh Einrichtung zum multiplikativen Korrigieren eines elektrischen Meßsignals

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401949C1 (de) * 1994-01-24 1995-03-23 Pierburg Gmbh Einrichtung zum multiplikativen Korrigieren eines elektrischen Meßsignals

Also Published As

Publication number Publication date
DE19629747A1 (de) 1998-01-29
FR2751752A1 (fr) 1998-01-30
FR2751752B1 (fr) 1999-07-30

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE

8339 Ceased/non-payment of the annual fee