CA2652179A1 - Pressure sensor for a pressure transmitter - Google Patents

Pressure sensor for a pressure transmitter Download PDF

Info

Publication number
CA2652179A1
CA2652179A1 CA002652179A CA2652179A CA2652179A1 CA 2652179 A1 CA2652179 A1 CA 2652179A1 CA 002652179 A CA002652179 A CA 002652179A CA 2652179 A CA2652179 A CA 2652179A CA 2652179 A1 CA2652179 A1 CA 2652179A1
Authority
CA
Canada
Prior art keywords
pressure
layers
sensor
reflection
light source
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.)
Abandoned
Application number
CA002652179A
Other languages
English (en)
French (fr)
Inventor
Adrian Chanchall Toy
Liang-Ju Lu
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.)
Rosemount Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2652179A1 publication Critical patent/CA2652179A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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)
  • Measuring Fluid Pressure (AREA)
CA002652179A 2006-05-23 2007-05-18 Pressure sensor for a pressure transmitter Abandoned CA2652179A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/439,097 2006-05-23
US11/439,097 US7409867B2 (en) 2006-05-23 2006-05-23 Pressure sensor using light source
PCT/US2007/012050 WO2007139745A2 (en) 2006-05-23 2007-05-18 Pressure sensor for a pressure transmitter

Publications (1)

Publication Number Publication Date
CA2652179A1 true CA2652179A1 (en) 2007-12-06

Family

ID=38748283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002652179A Abandoned CA2652179A1 (en) 2006-05-23 2007-05-18 Pressure sensor for a pressure transmitter

Country Status (6)

Country Link
US (1) US7409867B2 (https=)
EP (1) EP2029990B1 (https=)
JP (1) JP5562635B2 (https=)
CN (1) CN101449139B (https=)
CA (1) CA2652179A1 (https=)
WO (1) WO2007139745A2 (https=)

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US8711361B2 (en) * 2009-11-05 2014-04-29 Qualcomm, Incorporated Methods and devices for detecting and measuring environmental conditions in high performance device packages
US8390916B2 (en) 2010-06-29 2013-03-05 Qualcomm Mems Technologies, Inc. System and method for false-color sensing and display
US8511180B2 (en) * 2010-09-02 2013-08-20 Ofer Melamed Pressure difference flowmeter with flow barrier between a conduit and a reference tube
US20120179392A1 (en) * 2011-01-11 2012-07-12 Bridgestone Americas Tire Operations, Llc Method and system for measuring strain in twisted cord
DE102013009641B4 (de) * 2013-06-08 2021-05-06 Dräger Safety AG & Co. KGaA Drucksensor mit Membran deren variable Anlagefläche optisch ausgelesen werden kann, Messvorrichtung, Reaktionsträger und Messverfahren mit diesem Drucksensor
US9442031B2 (en) * 2013-06-28 2016-09-13 Rosemount Inc. High integrity process fluid pressure probe
US10638093B2 (en) 2013-09-26 2020-04-28 Rosemount Inc. Wireless industrial process field device with imaging
US10823592B2 (en) 2013-09-26 2020-11-03 Rosemount Inc. Process device with process variable measurement using image capture device
US11076113B2 (en) 2013-09-26 2021-07-27 Rosemount Inc. Industrial process diagnostics using infrared thermal sensing
US9459170B2 (en) 2013-09-26 2016-10-04 Rosemount Inc. Process fluid pressure sensing assembly for pressure transmitters subjected to high working pressure
US9857228B2 (en) 2014-03-25 2018-01-02 Rosemount Inc. Process conduit anomaly detection using thermal imaging
US9488527B2 (en) 2014-03-25 2016-11-08 Rosemount Inc. Process temperature measurement using infrared detector
US10914635B2 (en) 2014-09-29 2021-02-09 Rosemount Inc. Wireless industrial process monitor
US9638600B2 (en) 2014-09-30 2017-05-02 Rosemount Inc. Electrical interconnect for pressure sensor in a process variable transmitter
CN104316258B (zh) * 2014-10-29 2016-05-18 成都众山科技有限公司 方便固定的无线压力变送装置
US10053269B2 (en) * 2015-02-09 2018-08-21 The Boeing Company Multi-functional fiber optic fuel sensor system having a photonic membrane
CN112213021B (zh) * 2020-10-09 2024-01-16 电子科技大学 一种基于光纤珐珀的差压传感系统及其检测方法
CN113155399B (zh) * 2021-04-06 2022-10-21 中国空气动力研究与发展中心高速空气动力研究所 高速飞行器表面压力与变形三维连续分布同步测量方法
DE102024107507A1 (de) 2023-03-17 2024-09-19 Ifm Electronic Gmbh Drucksensor für die Automatisierungstechnik
DE102024206773B4 (de) * 2024-07-18 2026-02-19 Fresenius Medical Care Ag Vorrichtung und Verfahren zur Messung eines Druckes eines Fluids in einem elastischen medizinischen Schlauch, der zumindest für Licht einer bestimmten optischen Wellenlänge transparent ist

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US6820487B2 (en) * 2000-03-07 2004-11-23 Masayoshi Esahi Reflective moveable diaphragm unit and pressure sensor containing same
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DE60137447D1 (de) * 2000-11-28 2009-03-05 Rosemount Inc Einrichtung zur messung physikalischer grössen mit einem optischen sensor
US7330271B2 (en) * 2000-11-28 2008-02-12 Rosemount, Inc. Electromagnetic resonant sensor with dielectric body and variable gap cavity
JP2004161113A (ja) * 2002-11-12 2004-06-10 Pacific Ind Co Ltd タイヤ状態監視装置
JP2004352019A (ja) * 2003-05-28 2004-12-16 Pacific Ind Co Ltd タイヤ状態監視装置の送信機及びタイヤ状態監視装置
US6941813B2 (en) * 2003-06-30 2005-09-13 Alcon, Inc. Noninvasive pressure sensing assembly
EP1668314A4 (en) 2003-10-03 2007-09-19 Sabeus Inc ROBUST FABRY-PEROT PRESSURE SENSOR
JP2005291945A (ja) * 2004-03-31 2005-10-20 Masaki Esashi センサ装置
JP4615932B2 (ja) * 2004-08-18 2011-01-19 株式会社山武 差圧測定システム及び差圧測定方法
US8559770B2 (en) 2005-03-02 2013-10-15 Fiso Technologies Inc. Fabry-perot optical sensor and method of manufacturing the same
WO2007019676A1 (en) 2005-08-12 2007-02-22 Fiso Technologies Inc. Single piece fabry-perot optical sensor and method of manufacturing the same

Also Published As

Publication number Publication date
WO2007139745A3 (en) 2008-04-03
CN101449139A (zh) 2009-06-03
CN101449139B (zh) 2013-03-27
EP2029990A2 (en) 2009-03-04
EP2029990B1 (en) 2011-10-05
JP2009538423A (ja) 2009-11-05
JP5562635B2 (ja) 2014-07-30
US20070272026A1 (en) 2007-11-29
WO2007139745A2 (en) 2007-12-06
US7409867B2 (en) 2008-08-12

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