FR2784179B1 - Chaine de mesure capacitive - Google Patents

Chaine de mesure capacitive

Info

Publication number
FR2784179B1
FR2784179B1 FR9812340A FR9812340A FR2784179B1 FR 2784179 B1 FR2784179 B1 FR 2784179B1 FR 9812340 A FR9812340 A FR 9812340A FR 9812340 A FR9812340 A FR 9812340A FR 2784179 B1 FR2784179 B1 FR 2784179B1
Authority
FR
France
Prior art keywords
capacitive measurement
measurement chain
chain
capacitive
measurement
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
FR9812340A
Other languages
English (en)
Other versions
FR2784179A1 (fr
Inventor
Michel Gay
Patrick Kayser
Claude Gageant
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR9812340A priority Critical patent/FR2784179B1/fr
Publication of FR2784179A1 publication Critical patent/FR2784179A1/fr
Application granted granted Critical
Publication of FR2784179B1 publication Critical patent/FR2784179B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2417—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/16—Other safety measures for, or other control of, pumps
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR9812340A 1998-10-01 1998-10-01 Chaine de mesure capacitive Expired - Lifetime FR2784179B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9812340A FR2784179B1 (fr) 1998-10-01 1998-10-01 Chaine de mesure capacitive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9812340A FR2784179B1 (fr) 1998-10-01 1998-10-01 Chaine de mesure capacitive

Publications (2)

Publication Number Publication Date
FR2784179A1 FR2784179A1 (fr) 2000-04-07
FR2784179B1 true FR2784179B1 (fr) 2000-11-17

Family

ID=9531114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9812340A Expired - Lifetime FR2784179B1 (fr) 1998-10-01 1998-10-01 Chaine de mesure capacitive

Country Status (1)

Country Link
FR (1) FR2784179B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6895751B1 (en) * 2004-03-08 2005-05-24 Christopher Greentree Vane control
FR2971020B1 (fr) * 2011-01-28 2013-02-08 Snecma Soufflante ou compresseur de turbomachine
FR3022342B1 (fr) * 2014-06-13 2016-07-01 Fogale Nanotech Procede de suivi temps reel de l'etat de fonctionnement d'un capteur capacitif
LU92918B1 (en) 2015-12-18 2017-07-13 Iee Sa Capacitive loading mode measurement circuit with compensation of measurement errors due to parasitic sensor impedances
US11179820B2 (en) 2019-06-11 2021-11-23 General Electric Company Mounting system for tool for machining circumferential interior surface of turbomachine casing
US11248495B2 (en) * 2019-06-11 2022-02-15 General Electric Company Systems and methods for sensors on circumferential interior surface of turbomachine casing
US11519298B2 (en) 2019-06-11 2022-12-06 General Electric Company Sensor mounting for circumferential interior surface of turbomachine casing
US11952907B2 (en) 2019-06-11 2024-04-09 Ge Infrastructure Technology Llc Systems and methods for sensors on only part of circumferential interior surface of turbomachine casing
US11635750B2 (en) 2019-10-30 2023-04-25 General Electric Company System and method for removably inserting a sensor assembly into a compressor casing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608751B1 (fr) * 1986-12-19 1990-11-30 Onera (Off Nat Aerospatiale) Chaine de mesure dimensionnelle capacitive
GB8808614D0 (en) * 1988-04-12 1988-05-11 Renishaw Plc Displacement-responsive devices with capacitive transducers
FR2640373B1 (fr) * 1988-12-09 1992-12-11 Onera (Off Nat Aerospatiale) Chaines de mesure dimensionnelle capacitive a sortie lineaire
FR2693555B1 (fr) * 1992-07-09 1994-09-09 Onera (Off Nat Aerospatiale) Dispositif de mesure d'impédance.

Also Published As

Publication number Publication date
FR2784179A1 (fr) 2000-04-07

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Name of requester: FOGALE NANOTECH, FR

Effective date: 20121108

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