DE69737336D1 - Auf Gültigkeit prüfende Sensoren - Google Patents

Auf Gültigkeit prüfende Sensoren

Info

Publication number
DE69737336D1
DE69737336D1 DE69737336T DE69737336T DE69737336D1 DE 69737336 D1 DE69737336 D1 DE 69737336D1 DE 69737336 T DE69737336 T DE 69737336T DE 69737336 T DE69737336 T DE 69737336T DE 69737336 D1 DE69737336 D1 DE 69737336D1
Authority
DE
Germany
Prior art keywords
validity checking
checking sensors
sensors
validity
checking
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 - Lifetime
Application number
DE69737336T
Other languages
English (en)
Other versions
DE69737336T2 (de
Inventor
Janice Chin-Yi Yang
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.)
Schneider Electric Systems USA Inc
Original Assignee
Invensys Systems Inc
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 Invensys Systems Inc filed Critical Invensys Systems Inc
Publication of DE69737336D1 publication Critical patent/DE69737336D1/de
Application granted granted Critical
Publication of DE69737336T2 publication Critical patent/DE69737336T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
    • G01F15/024—Compensating or correcting for variations in pressure, density or temperature using electrical means involving digital counting
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436—Coriolis or gyroscopic mass flowmeters constructional details signal processing
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane
    • G01F1/8477—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane with multiple measuring conduits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
DE69737336T 1996-08-30 1997-09-01 Auf Gültigkeit prüfende Sensoren Expired - Lifetime DE69737336T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/705,982 US5774378A (en) 1993-04-21 1996-08-30 Self-validating sensors
US705982 1996-08-30

Publications (2)

Publication Number Publication Date
DE69737336D1 true DE69737336D1 (de) 2007-03-29
DE69737336T2 DE69737336T2 (de) 2007-07-05

Family

ID=24835727

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69737336T Expired - Lifetime DE69737336T2 (de) 1996-08-30 1997-09-01 Auf Gültigkeit prüfende Sensoren

Country Status (5)

Country Link
US (1) US5774378A (de)
EP (1) EP0827096B1 (de)
JP (1) JP4260234B2 (de)
BR (1) BR9704580B1 (de)
DE (1) DE69737336T2 (de)

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Also Published As

Publication number Publication date
EP0827096A3 (de) 1999-07-07
US5774378A (en) 1998-06-30
BR9704580B1 (pt) 2011-05-31
JP4260234B2 (ja) 2009-04-30
DE69737336T2 (de) 2007-07-05
BR9704580A (pt) 1999-01-26
EP0827096B1 (de) 2007-02-14
JPH10185705A (ja) 1998-07-14
EP0827096A2 (de) 1998-03-04

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