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
Authority: CA; Canada
Prior art keywords: core; sensing element; electrodes; capacitance sensing; dielectric
Prior art date: 1973-05-18
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.)

1973-05-18

Filing date

1974-04-02

Publication date

1978-08-22

1974-04-02 Application filed by Johnson Service Co filed Critical Johnson Service Co

1978-08-22 Application granted granted Critical

1978-08-22 Publication of CA1036832A publication Critical patent/CA1036832A/fr

Status Expired legal-status Critical Current

Links

239000010410 layer Substances 0.000 claims abstract description 45
239000012792 core layer Substances 0.000 claims abstract description 19
230000008859 change Effects 0.000 claims abstract description 13
239000000463 material Substances 0.000 claims abstract description 13
239000002245 particle Substances 0.000 claims abstract description 10
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
229910052799 carbon Inorganic materials 0.000 claims abstract description 8
230000002093 peripheral effect Effects 0.000 claims abstract description 6
239000003990 capacitor Substances 0.000 claims description 17
239000003989 dielectric material Substances 0.000 claims description 8
239000012530 fluid Substances 0.000 claims description 8
229920002379 silicone rubber Polymers 0.000 claims description 7
230000004044 response Effects 0.000 claims description 6
229910052729 chemical element Inorganic materials 0.000 claims description 4
230000003247 decreasing effect Effects 0.000 claims description 4
239000002305 electric material Substances 0.000 claims description 2
239000007787 solid Substances 0.000 claims 4
229920001971 elastomer Polymers 0.000 claims 1
239000012777 electrically insulating material Substances 0.000 claims 1
239000011810 insulating material Substances 0.000 claims 1
150000003839 salts Chemical class 0.000 claims 1
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 4
230000006870 function Effects 0.000 abstract description 4
239000011159 matrix material Substances 0.000 abstract description 4
239000003973 paint Substances 0.000 abstract description 4
229910052709 silver Inorganic materials 0.000 abstract description 4
239000004332 silver Substances 0.000 abstract description 4
229920001296 polysiloxane Polymers 0.000 abstract description 2
239000011162 core material Substances 0.000 description 30
238000010276 construction Methods 0.000 description 8
230000000875 corresponding effect Effects 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
239000002131 composite material Substances 0.000 description 2
239000004020 conductor Substances 0.000 description 2
238000004132 cross linking Methods 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
239000000428 dust Substances 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
230000035945 sensitivity Effects 0.000 description 2
241000338118 Dulus Species 0.000 description 1
101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
230000005489 elastic deformation Effects 0.000 description 1
239000013013 elastic material Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
230000013011 mating Effects 0.000 description 1
239000012528 membrane Substances 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
230000019491 signal transduction Effects 0.000 description 1
230000002463 transducing effect Effects 0.000 description 1
230000026683 transduction Effects 0.000 description 1
238000010361 transduction Methods 0.000 description 1

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
EP2477514B2 (fr) *	2009-09-18	2021-12-29	Altria Client Services LLC	Appareil à fumer électronique
US10420374B2 (en)	2009-09-18	2019-09-24	Altria Client Services Llc	Electronic smoke apparatus
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
JP2014519570A (ja) *	2011-05-05	2014-08-14	エクシジェントテクノロジーズ，エルエルシー	動電学的送出システム用のゲル結合部
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

1973
- 1973-05-18 US US00361813A patent/US3814998A/en not_active Expired - Lifetime
1974
- 1974-04-02 CA CA196,605A patent/CA1036832A/fr not_active Expired

Also Published As

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

Publication	Publication Date	Title
CA1036832A (fr)	1978-08-22	Element de detection de capacite sensible a la pression
US5090246A (en)	1992-02-25	Elastomer type low pressure sensor
US4716492A (en)	1987-12-29	Pressure sensor with improved capacitive pressure transducer
US4388668A (en)	1983-06-14	Capacitive pressure transducer
US4207604A (en)	1980-06-10	Capacitive pressure transducer with cut out conductive plate
US6122972A (en)	2000-09-26	Capacitive pressure sensor with moving or shape-changing dielectric
US4177496A (en)	1979-12-04	Capacitive pressure transducer
US4426673A (en)	1984-01-17	Capacitive pressure transducer and method of making same
US5150275A (en)	1992-09-22	Capacitive pressure sensor
US4774626A (en)	1988-09-27	Pressure sensor with improved capacitive pressure transducer
EP0995093B1 (fr)	2004-04-28	Capteur de pression
US5020377A (en)	1991-06-04	Low pressure transducer using metal foil diaphragm
JPH0621832B2 (ja)	1994-03-23	２重ダイヤフラム式差圧型変換器
US6718827B1 (en)	2004-04-13	Center-mount capacitive sensor with overload protection
EP0459939B2 (fr)	2003-09-10	Capteur d'accélération capacitif à membrane libre
GB1563894A (en)	1980-04-02	Capacitive pressure transducer and method for making same
JPS62191730A (ja)	1987-08-22	圧力センサ
JPH021253B2 (fr)	1990-01-10
EP0399680A2 (fr)	1990-11-28	Capteur d'accélération piézo-électrique
US6148674A (en)	2000-11-21	Shielded capacitive pressure sensor
AU619858B2 (en)	1992-02-06	Accelerometer
CA2063266A1 (fr)	1991-01-29	Transducteur a pont en polymere
JP3399688B2 (ja)	2003-04-21	圧力センサ
JP2000356562A (ja)	2000-12-26	圧力トランスジューサ
EP0009313A1 (fr)	1980-04-02	Transducteur de pression et son assemblage