FR1396745A - Electromechanical transducer - Google Patents

Electromechanical transducer

Info

Publication number
FR1396745A
FR1396745A FR975421A FR975421A FR1396745A FR 1396745 A FR1396745 A FR 1396745A FR 975421 A FR975421 A FR 975421A FR 975421 A FR975421 A FR 975421A FR 1396745 A FR1396745 A FR 1396745A
Authority
FR
France
Prior art keywords
electromechanical transducer
electromechanical
transducer
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
Application number
FR975421A
Other languages
French (fr)
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.)
Ultra Electronics Ltd
Original Assignee
Ultra Electronics Ltd
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 Ultra Electronics Ltd filed Critical Ultra Electronics Ltd
Priority to FR975421A priority Critical patent/FR1396745A/en
Application granted granted Critical
Publication of FR1396745A publication Critical patent/FR1396745A/en
Expired 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
    • G01L9/0072Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/025Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/08Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
    • G01L23/12Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by changing capacitance or inductance
    • G01L23/125Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by changing capacitance or inductance by changing capacitance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
FR975421A 1964-05-22 1964-05-22 Electromechanical transducer Expired FR1396745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR975421A FR1396745A (en) 1964-05-22 1964-05-22 Electromechanical transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975421A FR1396745A (en) 1964-05-22 1964-05-22 Electromechanical transducer

Publications (1)

Publication Number Publication Date
FR1396745A true FR1396745A (en) 1965-04-23

Family

ID=8830594

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975421A Expired FR1396745A (en) 1964-05-22 1964-05-22 Electromechanical transducer

Country Status (1)

Country Link
FR (1) FR1396745A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2170747A5 (en) * 1972-02-04 1973-09-14 Garrett Corp
FR2508641A1 (en) * 1981-06-29 1982-12-31 Bendix Corp IMPROVED QUARTZ DIFFERENTIAL PRESSURE TRANSDUCER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2170747A5 (en) * 1972-02-04 1973-09-14 Garrett Corp
FR2508641A1 (en) * 1981-06-29 1982-12-31 Bendix Corp IMPROVED QUARTZ DIFFERENTIAL PRESSURE TRANSDUCER

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