CA1036832A - Element de detection de capacite sensible a la pression - Google Patents

Element de detection de capacite sensible a la pression

Info

Publication number
CA1036832A
CA1036832A CA196,605A CA196605A CA1036832A CA 1036832 A CA1036832 A CA 1036832A CA 196605 A CA196605 A CA 196605A CA 1036832 A CA1036832 A CA 1036832A
Authority
CA
Canada
Prior art keywords
core
sensing element
electrodes
capacitance sensing
dielectric
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
CA196,605A
Other languages
English (en)
Other versions
CA196605S (en
Inventor
Jeaninne O. Colla
Paul E. Thoma
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.)
Johnson Service Co
Original Assignee
Johnson Service Co
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 Johnson Service Co filed Critical Johnson Service Co
Application granted granted Critical
Publication of CA1036832A publication Critical patent/CA1036832A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
CA196,605A 1973-05-18 1974-04-02 Element de detection de capacite sensible a la pression Expired CA1036832A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00361813A US3814998A (en) 1973-05-18 1973-05-18 Pressure sensitive capacitance sensing element

Publications (1)

Publication Number Publication Date
CA1036832A true CA1036832A (fr) 1978-08-22

Family

ID=23423544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,605A Expired CA1036832A (fr) 1973-05-18 1974-04-02 Element de detection de capacite sensible a la pression

Country Status (2)

Country Link
US (1) US3814998A (fr)
CA (1) CA1036832A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962921A (en) * 1972-02-04 1976-06-15 The Garrett Corporation Compensated pressure transducer
US4158217A (en) * 1976-12-02 1979-06-12 Kaylico Corporation Capacitive pressure transducer with improved electrode
FR2442438A1 (fr) * 1978-11-24 1980-06-20 Vaisala Oy Manometre
US4234361A (en) * 1979-07-05 1980-11-18 Wisconsin Alumni Research Foundation Process for producing an electrostatically deformable thin silicon membranes utilizing a two-stage diffusion step to form an etchant resistant layer
US5090246A (en) * 1990-09-19 1992-02-25 Johnson Service Corp. Elastomer type low pressure sensor
US5542300A (en) * 1994-01-24 1996-08-06 Setra Systems, Inc. Low cost, center-mounted capacitive pressure sensor
JP5568206B2 (ja) * 2006-09-15 2014-08-06 東海ゴム工業株式会社 変形センサ
US8079269B2 (en) * 2007-05-16 2011-12-20 Rosemount Inc. Electrostatic pressure sensor with porous dielectric diaphragm
JP5496446B2 (ja) * 2007-07-12 2014-05-21 東海ゴム工業株式会社 静電容量型センサ
FR2940904B1 (fr) * 2009-01-13 2012-08-31 Urgo Laboratoires Systeme de mesure de pression d'interface
US10420374B2 (en) 2009-09-18 2019-09-24 Altria Client Services Llc Electronic smoke apparatus
ES2608458T5 (es) * 2009-09-18 2022-04-04 Altria Client Services Llc Cigarrillo electrónico
US8303897B2 (en) 2011-02-28 2012-11-06 Colla Jeannine O Capacitive sensor for organic chemicals comprising an elastomer and high dielectric materials with titanate
CA2834708A1 (fr) * 2011-05-05 2012-11-08 Eksigent Technologies, Llc Gel de couplage pour systemes de distribution de fluide electrocinetique
EP3339814B1 (fr) * 2016-12-21 2020-06-03 Fimcim S.P.A. Ensemble pouvant être installé dans un système de climatisation et/ou de chauffage, système de climatisation et/ou de chauffage comprenant l'ensemble et procédé de commande de l'ensemble

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR741189A (fr) * 1931-09-16 1933-02-08
US3177967A (en) * 1962-09-05 1965-04-13 Louis A Wilson Taxi control systems
GB1234083A (fr) * 1968-04-04 1971-06-03
US3582728A (en) * 1969-03-06 1971-06-01 Johnson Service Co Capacitance humidity sensing element

Also Published As

Publication number Publication date
US3814998A (en) 1974-06-04

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