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NO912178D0 - Innretning til optisk maaling av en trykkforskjell. - Google Patents

Innretning til optisk maaling av en trykkforskjell.

Info

Publication number
NO912178D0
NO912178D0 NO912178A NO912178A NO912178D0 NO 912178 D0 NO912178 D0 NO 912178D0 NO 912178 A NO912178 A NO 912178A NO 912178 A NO912178 A NO 912178A NO 912178 D0 NO912178 D0 NO 912178D0
Authority
NO
Norway
Prior art keywords
pressure difference
optical measurement
measurement
optical
difference
Prior art date
Application number
NO912178A
Other languages
English (en)
Other versions
NO912178L (no
Inventor
Haelg Beat
Original Assignee
Landis & Gyr Betriebs 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 Landis & Gyr Betriebs Ag filed Critical Landis & Gyr Betriebs Ag
Publication of NO912178D0 publication Critical patent/NO912178D0/no
Publication of NO912178L publication Critical patent/NO912178L/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring 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 mechanical effects
    • G01F1/34Measuring 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 mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring 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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38Measuring 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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0076Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
    • G01L9/0077Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
    • G01L9/0079Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light with Fabry-Perot arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
NO91912178A 1990-06-08 1991-06-06 Innretning til optisk maaling av en trykkforskjell. NO912178L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH192890 1990-06-08

Publications (2)

Publication Number Publication Date
NO912178D0 true NO912178D0 (no) 1991-06-06
NO912178L NO912178L (no) 1991-12-09

Family

ID=4221869

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91912178A NO912178L (no) 1990-06-08 1991-06-06 Innretning til optisk maaling av en trykkforskjell.

Country Status (4)

Country Link
US (1) US5128537A (no)
EP (1) EP0460357A3 (no)
JP (1) JPH04232435A (no)
NO (1) NO912178L (no)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252826A (en) * 1991-12-30 1993-10-12 Honeywell Inc. Differential pressure utilizing opto-reflective sensor
US5280173A (en) * 1992-01-31 1994-01-18 Brown University Research Foundation Electric and electromagnetic field sensing system including an optical transducer
FI98094C (fi) * 1992-05-19 1997-04-10 Vaisala Technologies Inc Oy Fabry-Perot resonaattoriin perustuva optinen voima-anturi
SE511634C2 (sv) * 1996-05-07 1999-11-01 Samba Sensors Ab Anordning för elektrooptisk mätning av tryck
US5693889A (en) * 1996-08-27 1997-12-02 The United States Of America As Represented By The Secretary Of The Navy Method for monitoring surface stress
GB2338059B (en) * 1998-05-20 2000-03-08 Bookham Technology Ltd An optically addressed sensing system
DE69831856D1 (de) * 1998-06-02 2006-02-23 Europ Community Bruessel Bruxe Differenzieller Krümmungswandler
US6118534A (en) 1998-07-30 2000-09-12 B. F. Goodrich Company Sensor and method for measuring changes in environmental conditions
US6425290B2 (en) * 2000-02-11 2002-07-30 Rosemount Inc. Oil-less differential pressure sensor
US6856399B2 (en) * 2001-04-11 2005-02-15 Modern Optical Technologies L.L.C. Method and apparatus for measuring pressure
NO315177B1 (no) * 2001-11-29 2003-07-21 Sinvent As Optisk forskyvnings-sensor
JP2005291945A (ja) * 2004-03-31 2005-10-20 Masaki Esashi センサ装置
US7492463B2 (en) 2004-04-15 2009-02-17 Davidson Instruments Inc. Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor
US7864329B2 (en) 2004-12-21 2011-01-04 Halliburton Energy Services, Inc. Fiber optic sensor system having circulators, Bragg gratings and couplers
US7835598B2 (en) 2004-12-21 2010-11-16 Halliburton Energy Services, Inc. Multi-channel array processor
US7689071B2 (en) * 2004-12-22 2010-03-30 Opsens Inc. Fiber optic pressure sensor for catheter use
DE102005001097A1 (de) * 2005-01-08 2006-07-27 Abb Patent Gmbh Drucksensor (I)
EP1869737B1 (en) 2005-03-16 2021-05-12 Davidson Instruments, Inc. High intensity fabry-perot sensor
US7639368B2 (en) 2005-09-13 2009-12-29 Halliburton Energy Services, Inc. Tracking algorithm for linear array signal processor for Fabry-Perot cross-correlation pattern and method of using same
US7583390B2 (en) * 2006-03-02 2009-09-01 Symphony Acoustics, Inc. Accelerometer comprising an optically resonant cavity
US7355723B2 (en) * 2006-03-02 2008-04-08 Symphony Acoustics, Inc. Apparatus comprising a high-signal-to-noise displacement sensor and method therefore
US7359067B2 (en) * 2006-04-07 2008-04-15 Symphony Acoustics, Inc. Optical displacement sensor comprising a wavelength-tunable optical source
US7684051B2 (en) * 2006-04-18 2010-03-23 Halliburton Energy Services, Inc. Fiber optic seismic sensor based on MEMS cantilever
EP2021747B1 (en) 2006-04-26 2018-08-01 Halliburton Energy Services, Inc. Fiber optic mems seismic sensor with mass supported by hinged beams
US7409867B2 (en) * 2006-05-23 2008-08-12 Rosemount Inc. Pressure sensor using light source
US7554666B2 (en) * 2006-05-25 2009-06-30 Ric Investments, Llc. Sensor with optical pressure transducer and method of manufacturing a sensor component
US7551295B2 (en) * 2006-06-01 2009-06-23 Symphony Acoustics, Inc. Displacement sensor
US7894618B2 (en) * 2006-07-28 2011-02-22 Symphony Acoustics, Inc. Apparatus comprising a directionality-enhanced acoustic sensor
US8115937B2 (en) 2006-08-16 2012-02-14 Davidson Instruments Methods and apparatus for measuring multiple Fabry-Perot gaps
US7787128B2 (en) 2007-01-24 2010-08-31 Halliburton Energy Services, Inc. Transducer for measuring environmental parameters
US7559701B2 (en) * 2007-03-19 2009-07-14 General Electric Company High-temperature pressure sensor and method of assembly
US7626707B2 (en) * 2007-10-29 2009-12-01 Symphony Acoustics, Inc. Dual cavity displacement sensor
US8007609B2 (en) * 2007-10-31 2011-08-30 Symphony Acoustics, Inc. Parallel plate arrangement and method of formation
NL2003266A1 (nl) * 2008-08-11 2010-02-15 Asml Holding Nv Multi nozzle proximity sensor employing common sensing and nozzle shaping.
CH701500A1 (de) * 2009-07-24 2011-01-31 Inficon Gmbh Druckmesszellenanordnung mit einer optischen Membrandruckmesszelle.
US20130218032A1 (en) 2010-11-09 2013-08-22 Opsens Inc. Guidewire with internal pressure sensor
DE102011077499A1 (de) * 2011-06-14 2012-12-20 CiS Forschungsinstitut für Mikrosensorik und Photovoltaik GmbH Interferometrische Druckmesszelle
DE102011081651A1 (de) * 2011-08-26 2013-02-28 Endress + Hauser Gmbh + Co. Kg Interferometrischer Drucksensor
GB2508908B (en) 2012-12-14 2017-02-15 Gen Electric Resonator device
US10823592B2 (en) 2013-09-26 2020-11-03 Rosemount Inc. Process device with process variable measurement using image capture device
DE102014205459A1 (de) * 2014-03-24 2015-10-08 Rolls-Royce Deutschland Ltd & Co Kg Druckmessvorrichtung zur Messung dynamischer Drücke sowie Gasturbinenbrennkammer mit einer Druckmessvorrichtung
US9829307B2 (en) * 2015-03-20 2017-11-28 Kulite Semiconductor Products, Inc. Silicon based pressure and acceleration optical interferometric sensors with housing assembly
EP3353517B1 (en) * 2015-09-21 2020-03-04 Opsens Solutions Inc. Optical pressure sensor with reduced mechanical stresses
NO343314B1 (no) * 2015-11-29 2019-01-28 Tunable As Optisk trykksensor
WO2017115199A1 (en) * 2015-12-30 2017-07-06 Novartis Ag Optical pressure measurement for ophthalmic surgical fluidics
IL253799B (en) 2017-08-02 2018-06-28 Igal Igor Zlochin Retroreflective interferometer
US12228459B2 (en) * 2020-04-21 2025-02-18 Kidde Technologies, Inc. Fabry-perot based advanced pneumatic fire/overheat detector
CN114152385B (zh) * 2021-12-03 2022-09-09 西安交通大学 一种基于法布里-珀罗差压式传感器的气电转换器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329058A (en) * 1979-01-22 1982-05-11 Rockwell International Corporation Method and apparatus for a Fabry-Perot multiple beam fringe sensor
US4678904A (en) * 1984-07-06 1987-07-07 Technology Dynamics, Inc. Optical measuring device using a spectral modulation sensor having an optically resonant structure
GB8506589D0 (en) * 1985-03-14 1985-04-17 Ici Plc Pressure sensor
JPS61235731A (ja) * 1985-04-11 1986-10-21 Sharp Corp 感圧素子
GB8530809D0 (en) * 1985-12-13 1986-01-22 Gen Electric Co Plc Sensor
US4933545A (en) * 1985-12-30 1990-06-12 Metricor, Inc. Optical pressure-sensing system using optical resonator cavity
US4926696A (en) * 1986-11-19 1990-05-22 Massachusetts Institute Of Technology Optical micropressure transducer
GB2202936B (en) * 1987-03-31 1990-11-14 Plessey Co Plc Improvements relating to optical pressure or displacement sensors
EP0309643B1 (de) * 1987-09-28 1992-11-25 Landis & Gyr Business Support AG Stellglied zur Beeinflussung der Durchflussmenge eines gasförmigen oder flüssigen Mediums
US4983824A (en) * 1989-07-06 1991-01-08 Metricor Inc. Optically resonant sensor with increased monotonic range

Also Published As

Publication number Publication date
US5128537A (en) 1992-07-07
EP0460357A3 (en) 1992-07-29
JPH04232435A (ja) 1992-08-20
EP0460357A2 (de) 1991-12-11
NO912178L (no) 1991-12-09

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