DE69325705D1 - Kapazitiver feuchtigkeitsfühler - Google Patents

Kapazitiver feuchtigkeitsfühler

Info

Publication number
DE69325705D1
DE69325705D1 DE69325705T DE69325705T DE69325705D1 DE 69325705 D1 DE69325705 D1 DE 69325705D1 DE 69325705 T DE69325705 T DE 69325705T DE 69325705 T DE69325705 T DE 69325705T DE 69325705 D1 DE69325705 D1 DE 69325705D1
Authority
DE
Germany
Prior art keywords
humidity sensor
capacitive humidity
capacitive
sensor
humidity
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
DE69325705T
Other languages
English (en)
Other versions
DE69325705T2 (de
Inventor
Paul 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
Publication of DE69325705D1 publication Critical patent/DE69325705D1/de
Application granted granted Critical
Publication of DE69325705T2 publication Critical patent/DE69325705T2/de
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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making
    • Y10T29/435—Solid dielectric type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
DE69325705T 1992-02-05 1993-02-03 Kapazitiver feuchtigkeitsfühler Expired - Fee Related DE69325705T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/831,553 US5177662A (en) 1992-02-05 1992-02-05 Capacitance humidity sensor
PCT/US1993/000956 WO1993016481A1 (en) 1992-02-05 1993-02-03 Capacitance humidity sensor

Publications (2)

Publication Number Publication Date
DE69325705D1 true DE69325705D1 (de) 1999-08-26
DE69325705T2 DE69325705T2 (de) 2000-03-02

Family

ID=25259319

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325705T Expired - Fee Related DE69325705T2 (de) 1992-02-05 1993-02-03 Kapazitiver feuchtigkeitsfühler

Country Status (10)

Country Link
US (1) US5177662A (de)
EP (1) EP0625282B1 (de)
JP (1) JPH07504034A (de)
KR (1) KR950700494A (de)
AU (1) AU664252B2 (de)
CA (1) CA2128321A1 (de)
DE (1) DE69325705T2 (de)
ES (1) ES2133387T3 (de)
MX (1) MX9300609A (de)
WO (1) WO1993016481A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5372750A (en) * 1992-09-11 1994-12-13 Johnson Service Company Electrically conductive screen printable compositions and method of making the same
US5408381A (en) * 1994-04-28 1995-04-18 Johnson Service Company Capacitance humidity sensor
FR2732465B1 (fr) * 1995-03-31 1997-06-06 Aerospatiale Procede de mesure du gradient d'humidite dans l'epaisseur d'une piece en materiau composite
FR2750494B1 (fr) * 1996-07-01 1998-09-04 S P S I Soc Capteurs capacitifs a hautes performances comportant au moins une electrode non metallique et procede de fabrication de tels capteurs
ES2219788T3 (es) * 1997-12-31 2004-12-01 Societe D'applications Electroniques Pour La Physique, La Science Et L'industrie Captador capacitativo de la medicion de la humedad y procedimiento de fabricacion de estos captadores.
DE19907743B4 (de) * 1999-02-23 2012-01-05 Volkswagen Ag Ölqualitätssensor sowie Verfahren zu dessen Herstellung
DE10016427C2 (de) * 2000-04-01 2003-02-13 Bosch Gmbh Robert Sensor, insbesondere Feuchtesensor, und Verfahren zur Herstellung desselben
US6507477B1 (en) * 2000-09-11 2003-01-14 John E. Stauffer Electrical capacitor
US6580600B2 (en) * 2001-02-20 2003-06-17 Nippon Soken, Inc. Capacitance type humidity sensor and manufacturing method of the same
EP1251530A3 (de) * 2001-04-16 2004-12-29 Shipley Company LLC Dielektrisches Laminat für einen Kondensator
US6724612B2 (en) 2002-07-09 2004-04-20 Honeywell International Inc. Relative humidity sensor with integrated signal conditioning
US6938482B2 (en) * 2003-06-03 2005-09-06 General Electric Co. Humidity sensor element containing polyphenylsulfone
US7215529B2 (en) * 2003-08-19 2007-05-08 Schlegel Corporation Capacitive sensor having flexible polymeric conductors
JP4341506B2 (ja) * 2004-08-20 2009-10-07 株式会社デンソー 湿度センサおよび湿度検出機能を有する複合センサ
US7295126B2 (en) * 2005-01-05 2007-11-13 Honeywell International Inc. Perforated plane moisture sensor
JP4860793B2 (ja) * 2005-05-19 2012-01-25 株式会社日本自動車部品総合研究所 湿度センサの製造方法
DE102009004393A1 (de) * 2009-01-08 2010-11-11 Eads Deutschland Gmbh Akkumulierender Feuchtesensor
CN102301150B (zh) * 2009-02-03 2014-06-04 罗伯特·博世有限公司 负载转矩锁止装置以及带有负载转矩锁止装置的机组
US20110005313A1 (en) * 2009-05-12 2011-01-13 Matthew Vernon Humidity sensor
US8783101B2 (en) * 2009-12-22 2014-07-22 Nano And Advanced Materials Institute Limited Rapid response relative humidity sensor using anodic aluminum oxide film
WO2012102735A1 (en) * 2011-01-28 2012-08-02 Hewlett-Packard Development Company, L.P. Multi-sensor integrated chip
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
US8739623B2 (en) * 2012-03-09 2014-06-03 The University Of Kentucky Research Foundation Moisture sensors on conductive substrates
AT512413B1 (de) 2012-03-19 2013-08-15 Michael Moser Integrierter flexibler Eisdetektor
US9304098B2 (en) 2013-02-04 2016-04-05 Veris Industries, Llc Capacitive humidity sensor with hysteresis compensation
EP3078964B1 (de) * 2015-04-09 2017-05-24 Honeywell International Inc. Sensoren der relativen feuchtigkeit und verfahren
EP3598118A1 (de) * 2018-07-20 2020-01-22 MEAS France Kapazitative gassensoren und herstellungsverfahren dafür

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458845A (en) * 1967-11-08 1969-07-29 Johnson Service Co Crosslinked electrical resistance humidity sensing element
BE734845A (de) * 1968-06-22 1969-12-01
US3582728A (en) * 1969-03-06 1971-06-01 Johnson Service Co Capacitance humidity sensing element
US3802268A (en) * 1971-05-06 1974-04-09 Johnson Service Co Capacitance humidity sensing element
FR2138429A1 (en) * 1971-05-25 1973-01-05 Alsthom Electrodes for electrochemical generators - from polymers contg carbon powder and fibre fillers
US4564882A (en) * 1984-08-16 1986-01-14 General Signal Corporation Humidity sensing element
EP0395349B2 (de) * 1989-04-26 1998-06-10 Yamatake-Honeywell Co. Ltd. Feuchtigkeitsempfindliches Element
JPH02292504A (ja) * 1989-05-01 1990-12-04 Teijin Seiki Co Ltd ロック機構付液圧アクチュエータ
DE3919864A1 (de) * 1989-06-19 1990-12-20 Testoterm Mestechnik Gmbh & Co Kapazitiver feuchtesensor
EP0489826B1 (de) * 1989-08-29 1996-01-17 E + E Elektronik Gesellschaft M.B.H. Verwendung eines quellfähigen kunststoffes, sowie verfahren zur herstellung eines resistiven feuchtigkeitssensors
US4965698A (en) * 1989-09-27 1990-10-23 Johnson Service Company Capacitance humidity sensor

Also Published As

Publication number Publication date
EP0625282A4 (en) 1996-11-20
KR950700494A (ko) 1995-01-16
US5177662A (en) 1993-01-05
AU664252B2 (en) 1995-11-09
DE69325705T2 (de) 2000-03-02
MX9300609A (es) 1993-09-01
CA2128321A1 (en) 1993-08-19
AU3608093A (en) 1993-09-03
JPH07504034A (ja) 1995-04-27
EP0625282B1 (de) 1999-07-21
WO1993016481A1 (en) 1993-08-19
ES2133387T3 (es) 1999-09-16
EP0625282A1 (de) 1994-11-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee