FR2762388B1 - TRANSDUCER FOR REMOTELY DETECTING PRESSURE, FORCE, TEMPERATURE, DENSITY, VIBRATION, VISCOSITY AND SPEED OF SOUND IN A FLUID - Google Patents

TRANSDUCER FOR REMOTELY DETECTING PRESSURE, FORCE, TEMPERATURE, DENSITY, VIBRATION, VISCOSITY AND SPEED OF SOUND IN A FLUID

Info

Publication number
FR2762388B1
FR2762388B1 FR9805476A FR9805476A FR2762388B1 FR 2762388 B1 FR2762388 B1 FR 2762388B1 FR 9805476 A FR9805476 A FR 9805476A FR 9805476 A FR9805476 A FR 9805476A FR 2762388 B1 FR2762388 B1 FR 2762388B1
Authority
FR
France
Prior art keywords
transducer
viscosity
sound
vibration
density
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 - Fee Related
Application number
FR9805476A
Other languages
French (fr)
Other versions
FR2762388A1 (en
Inventor
Alan Richard Jones
John Richard Webster
Ian David Brown
Duncan Pollard
Rodney David Greenough
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of FR2762388A1 publication Critical patent/FR2762388A1/en
Application granted granted Critical
Publication of FR2762388B1 publication Critical patent/FR2762388B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02872—Pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Measuring Fluid Pressure (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR9805476A 1997-01-10 1998-04-30 TRANSDUCER FOR REMOTELY DETECTING PRESSURE, FORCE, TEMPERATURE, DENSITY, VIBRATION, VISCOSITY AND SPEED OF SOUND IN A FLUID Expired - Fee Related FR2762388B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9700435A GB2321105B (en) 1997-01-10 1997-01-10 A method and apparatus for remotely detecting pressure,force,temperature,density,vibration,viscosity and speed of sound in a fluid

Publications (2)

Publication Number Publication Date
FR2762388A1 FR2762388A1 (en) 1998-10-23
FR2762388B1 true FR2762388B1 (en) 2000-03-24

Family

ID=10805783

Family Applications (2)

Application Number Title Priority Date Filing Date
FR9800144A Expired - Fee Related FR2758388B1 (en) 1997-01-10 1998-01-09 METHOD AND APPARATUS FOR REMOTELY DETECTING PRESSURE, FORCE, TEMPERATURE, DENSITY, VIBRATION, VISCOSITY AND SPEED OF SOUND IN A FLUID
FR9805476A Expired - Fee Related FR2762388B1 (en) 1997-01-10 1998-04-30 TRANSDUCER FOR REMOTELY DETECTING PRESSURE, FORCE, TEMPERATURE, DENSITY, VIBRATION, VISCOSITY AND SPEED OF SOUND IN A FLUID

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR9800144A Expired - Fee Related FR2758388B1 (en) 1997-01-10 1998-01-09 METHOD AND APPARATUS FOR REMOTELY DETECTING PRESSURE, FORCE, TEMPERATURE, DENSITY, VIBRATION, VISCOSITY AND SPEED OF SOUND IN A FLUID

Country Status (2)

Country Link
FR (2) FR2758388B1 (en)
GB (2) GB2354666B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0016852D0 (en) * 2000-07-11 2000-08-30 Newlands Technology Limited Pressure sensor
US7804222B2 (en) * 2006-03-02 2010-09-28 Dell Products L.P. Method of optimizing drive frequency for piezo fan device
CN111855817B (en) * 2020-07-28 2021-10-26 西北工业大学 Method for cooperatively detecting fatigue crack by cloud edge end of complex structural member
CN115166032B (en) * 2022-05-23 2024-04-19 东南大学 Device and method for detecting cracks of fan blades
CN116500243A (en) * 2023-03-30 2023-07-28 东莞理工学校 Brake oil product detection device and oil product detection method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805592A (en) * 1970-08-20 1974-04-23 Itt Densitometer
US4217774A (en) * 1979-01-04 1980-08-19 Joram Agar Apparatus for measuring the value of a fluid variable
JPS5753636A (en) * 1980-09-18 1982-03-30 Tdk Corp Detecting method for pressure of fluid
CS235212B1 (en) * 1981-05-25 1985-05-15 Zdenko Figura Probe of ultrasonic viscosimeter with torsional resonator
GB2143325B (en) * 1983-07-12 1986-10-01 Sarasota Automation Apparatus for measuring the value of a fluid variable
JPH0221233A (en) * 1988-07-08 1990-01-24 Matsushita Electric Ind Co Ltd Pressure sensor
JPH0678922B2 (en) * 1990-10-12 1994-10-05 株式会社前川製作所 Flow velocity sensor using magnetostrictive characteristics
JPH04184233A (en) * 1990-11-19 1992-07-01 Matsushita Electric Ind Co Ltd Pressure sensor

Also Published As

Publication number Publication date
GB0029665D0 (en) 2001-01-17
GB9700435D0 (en) 1997-02-26
GB2354666A (en) 2001-03-28
FR2758388B1 (en) 2000-03-24
FR2758388A1 (en) 1998-07-17
GB2321105A (en) 1998-07-15
FR2762388A1 (en) 1998-10-23
GB2321105B (en) 2001-02-28
GB2354666B (en) 2001-06-27

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060929