DE69409072D1 - Verfahren und Sensorvorrichtung zur Identifizierung verschiedener Wasserzustände - Google Patents

Verfahren und Sensorvorrichtung zur Identifizierung verschiedener Wasserzustände

Info

Publication number
DE69409072D1
DE69409072D1 DE69409072T DE69409072T DE69409072D1 DE 69409072 D1 DE69409072 D1 DE 69409072D1 DE 69409072 T DE69409072 T DE 69409072T DE 69409072 T DE69409072 T DE 69409072T DE 69409072 D1 DE69409072 D1 DE 69409072D1
Authority
DE
Germany
Prior art keywords
oscillation
sensor element
sensor device
various water
water conditions
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 - Lifetime
Application number
DE69409072T
Other languages
English (en)
Inventor
Reijo Johansson
Paul Wetzer
Juhani Maekinen
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.)
Labko Ice Detection Oy
Original Assignee
Labko Ice Detection Oy
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 Labko Ice Detection Oy filed Critical Labko Ice Detection Oy
Application granted granted Critical
Publication of DE69409072D1 publication Critical patent/DE69409072D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
    • B64D15/20—Means for detecting icing or initiating de-icing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • G08B19/02—Alarm responsive to formation or anticipated formation of ice
    • 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0251—Solidification, icing, curing composites, polymerisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Optical Transform (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Sampling And Sample Adjustment (AREA)
DE69409072T 1993-12-09 1994-12-07 Verfahren und Sensorvorrichtung zur Identifizierung verschiedener Wasserzustände Expired - Lifetime DE69409072D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI935504A FI95751C (fi) 1993-12-09 1993-12-09 Menetelmä veden eri faasien tunnistamiseksi ja menetelmässä käytettäväanturijärjestely

Publications (1)

Publication Number Publication Date
DE69409072D1 true DE69409072D1 (de) 1998-04-23

Family

ID=8539106

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409072T Expired - Lifetime DE69409072D1 (de) 1993-12-09 1994-12-07 Verfahren und Sensorvorrichtung zur Identifizierung verschiedener Wasserzustände

Country Status (9)

Country Link
US (1) US5585551A (de)
EP (1) EP0657349B1 (de)
JP (1) JPH07239321A (de)
AT (1) ATE164136T1 (de)
CA (1) CA2137601A1 (de)
DE (1) DE69409072D1 (de)
FI (1) FI95751C (de)
NO (1) NO944374L (de)
RU (1) RU94042921A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5772153A (en) * 1995-10-17 1998-06-30 Abaunza; John T. Aircraft icing sensors
US6253557B1 (en) 1998-10-05 2001-07-03 The Coca-Cola Company Ice bank detector
US6731225B2 (en) 2002-02-14 2004-05-04 Lockheed Martin Corporation Method and apparatus for detecting and measuring thickness of ice on aircraft
CA2430823C (en) * 2002-06-05 2011-09-27 National Research Council Of Canada Morphogenetic modelling of in-flight icing
FR2858595B1 (fr) * 2003-11-18 2005-10-14 Auxitrol Sa Ensemble de detection de givre destine a etre monte sur aeronef
ITTO20060400A1 (it) 2006-05-31 2007-12-01 Lorenzo Battisti Metodo e sistema per la rilevazione di pericolo di formazione di ghiaccio su superfici aerodinamiche
CA2626371A1 (en) * 2007-03-19 2008-09-19 Prec"Ice" Technology, Inc. Ice thickness measuring system
CN104648676B (zh) * 2013-11-22 2017-02-22 中国航空工业集团公司西安飞机设计研究所 一种结冰信号传感器
KR102569705B1 (ko) 2021-10-08 2023-08-24 에스티에이코퍼레이션 주식회사 매질의 상 변화 감지 센서

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054255A (en) * 1976-04-01 1977-10-18 System Development Corporation Microwave ice detector
FI61249C (fi) * 1979-10-10 1982-06-10 Vaisala Oy Anordning foer indikering av nedisning av asfaltsvaeg eller motsvarande
JPS5712329A (en) * 1980-06-25 1982-01-22 Hitachi Ltd Frost sensor
GB2124764B (en) * 1982-08-03 1986-01-08 Atomic Energy Authority Uk Ice detector
US4628736A (en) * 1985-01-14 1986-12-16 Massachusetts Institute Of Technology Method and apparatus for measurement of ice thickness employing ultra-sonic pulse echo technique
FI90957C (fi) * 1992-09-08 1994-04-25 Soundek Oy Lentokoneen siiven jäätymisen ilmaisin
FI91953C (fi) * 1992-10-15 1994-09-12 Jouko Halme Tapa jääntunnistimen anturilangan asentamiseksi ilma-alukseen

Also Published As

Publication number Publication date
CA2137601A1 (en) 1995-06-10
US5585551A (en) 1996-12-17
FI935504A (fi) 1995-06-10
FI935504A0 (fi) 1993-12-09
EP0657349A1 (de) 1995-06-14
FI95751C (fi) 1996-03-11
NO944374L (no) 1995-06-12
RU94042921A (ru) 1996-10-10
NO944374D0 (no) 1994-11-16
FI95751B (fi) 1995-11-30
EP0657349B1 (de) 1998-03-18
JPH07239321A (ja) 1995-09-12
ATE164136T1 (de) 1998-04-15

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Legal Events

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8332 No legal effect for de