FR2434366B1 - - Google Patents
Info
- Publication number
- FR2434366B1 FR2434366B1 FR7824650A FR7824650A FR2434366B1 FR 2434366 B1 FR2434366 B1 FR 2434366B1 FR 7824650 A FR7824650 A FR 7824650A FR 7824650 A FR7824650 A FR 7824650A FR 2434366 B1 FR2434366 B1 FR 2434366B1
- Authority
- FR
- France
- 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
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
- G01D5/20—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 inductance, e.g. by a movable armature
- G01D5/22—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 inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2208—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
-
- 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
- G01D5/2412—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 overlap
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7824650A FR2434366A1 (fr) | 1978-08-25 | 1978-08-25 | Dispositif pour la mesure precise de deplacements ou de deformations |
| US06/038,035 US4255975A (en) | 1978-08-25 | 1979-05-11 | Device for the precise measurement of movements or deformations |
| CA000327466A CA1121020A (fr) | 1978-08-25 | 1979-05-11 | Dispositif de metrologie de precision de mouvements ou de deformations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7824650A FR2434366A1 (fr) | 1978-08-25 | 1978-08-25 | Dispositif pour la mesure precise de deplacements ou de deformations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2434366A1 FR2434366A1 (fr) | 1980-03-21 |
| FR2434366B1 true FR2434366B1 (fr) | 1983-04-15 |
Family
ID=9212074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7824650A Granted FR2434366A1 (fr) | 1978-08-25 | 1978-08-25 | Dispositif pour la mesure precise de deplacements ou de deformations |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4255975A (fr) |
| CA (1) | CA1121020A (fr) |
| FR (1) | FR2434366A1 (fr) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057008A3 (fr) * | 1981-01-26 | 1985-01-23 | Contis electronische Controlinstrumente GmbH | Capteur de position par induction |
| US4690004A (en) * | 1986-08-14 | 1987-09-01 | Tavis John R | Variable-reluctance transducer |
| DE3824535A1 (de) * | 1988-07-20 | 1990-01-25 | Bosch Gmbh Robert | Messeinrichtung zur bestimmung eines drehwinkels |
| US5359902A (en) * | 1993-07-15 | 1994-11-01 | Bolt Beranek And Newman Inc. | Load cell |
| FR2712628B1 (fr) * | 1993-11-15 | 1996-01-12 | Inst Francais Du Petrole | Dispositif et méthode de mesure dans un puits de production d'hydrocarbures . |
| FR2722283B1 (fr) * | 1994-07-05 | 1996-09-20 | Debreuille Pierre Jean | Procede et dispositif pour mesurer le deplacement d'un point par rapport a un referentiel |
| AUPN338295A0 (en) * | 1995-06-05 | 1995-06-29 | Powercoal Pty Ltd | A system for monitoring an earth and/or rock body |
| ES2237664T3 (es) * | 2002-05-10 | 2005-08-01 | Innova Patent Gmbh | Dispositivo para la comprobacion de la fuerza de apriete del dispositivo de acoplamiento para el medio de traccion de un funicular. |
| JP2004012308A (ja) * | 2002-06-07 | 2004-01-15 | Smc Corp | コイルを利用した位置測定装置、フロート式流量計および位置測定方法 |
| DE10242251A1 (de) * | 2002-09-12 | 2004-03-25 | Robert Bosch Gmbh | Kraftsensor |
| JP2006218580A (ja) | 2005-02-10 | 2006-08-24 | Smc Corp | ワーク把持用チャック及びその制御方法 |
| WO2007054592A1 (fr) * | 2005-11-08 | 2007-05-18 | Zertan, S.A. | Systeme d'elimination de perturbations destine a des capteurs inductifs |
| US10261036B2 (en) * | 2016-06-21 | 2019-04-16 | General Electric Company | Sensing system and an associated method thereof |
| CN101476863B (zh) * | 2009-01-23 | 2011-11-16 | 安里千 | 节电型岩层位移实时自动监测仪 |
| CN101929845B (zh) * | 2010-08-24 | 2011-11-23 | 安里千 | 巷道围岩离层位移监测仪 |
| DE102015108613A1 (de) * | 2015-06-01 | 2016-12-01 | Endress+Hauser Conducta Gmbh+Co. Kg | Induktiver Leitfähigkeitssensor und Verfahren zu dessen Herstellung |
| US11014191B2 (en) | 2016-08-12 | 2021-05-25 | Baker Hughes, A Ge Company, Llc | Frequency modulation for magnetic pressure pulse tool |
| CA3033347C (fr) | 2016-08-12 | 2021-01-19 | Baker Hughes, A Ge Company, Llc | Agencement d'actionnement a impulsions magnetiques pour outils de fond de trou et procede |
| US10626705B2 (en) * | 2018-02-09 | 2020-04-21 | Baer Hughes, A Ge Company, Llc | Magnetic pulse actuation arrangement having layer and method |
| US11156491B2 (en) * | 2019-01-17 | 2021-10-26 | Te Connectivity Corporation | Inductive sensor assembly for fluid measurements |
| CN112302627B (zh) * | 2019-07-31 | 2025-03-07 | 斯伦贝谢技术有限公司 | 用于检测板的应变变形的应变仪 |
| US11732570B2 (en) | 2019-07-31 | 2023-08-22 | Schlumberger Technology Corporation | Indirect detection of bending of a collar |
| US11629990B2 (en) * | 2020-05-21 | 2023-04-18 | Saudi Arabian Oil Company | System and method to measure mud level in a wellbore annulus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2662223A (en) * | 1949-07-22 | 1953-12-08 | Fischer & Porter Co | Telemetering impedance bridge |
| US2932972A (en) * | 1955-12-29 | 1960-04-19 | Bendix Aviat Corp | Pressure-responsive electrical transducer incorporating means for cancelling effects of vibration, gravity and acceleration stresses |
| FR1447718A (fr) * | 1964-09-28 | 1966-07-29 | Ibm | Accéléromètre à affichage numérique |
| JPS5233558A (en) * | 1975-09-10 | 1977-03-14 | Hiromi Ogasawara | Detector for minute variations |
-
1978
- 1978-08-25 FR FR7824650A patent/FR2434366A1/fr active Granted
-
1979
- 1979-05-11 US US06/038,035 patent/US4255975A/en not_active Expired - Lifetime
- 1979-05-11 CA CA000327466A patent/CA1121020A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1121020A (fr) | 1982-03-30 |
| FR2434366A1 (fr) | 1980-03-21 |
| US4255975A (en) | 1981-03-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| CA | Change of address |