SE9002521L - Isdetekteringssystem - Google Patents
IsdetekteringssystemInfo
- Publication number
- SE9002521L SE9002521L SE9002521A SE9002521A SE9002521L SE 9002521 L SE9002521 L SE 9002521L SE 9002521 A SE9002521 A SE 9002521A SE 9002521 A SE9002521 A SE 9002521A SE 9002521 L SE9002521 L SE 9002521L
- Authority
- SE
- Sweden
- Prior art keywords
- circuits
- resonant
- thickness
- circuit
- water
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/54—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/62—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using wave or particle radiation means not covered by group G01D5/58
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/390,125 US5005015A (en) | 1989-08-07 | 1989-08-07 | Ice detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9002521D0 SE9002521D0 (sv) | 1990-07-27 |
SE9002521L true SE9002521L (sv) | 1991-02-08 |
Family
ID=23541166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9002521A SE9002521L (sv) | 1989-08-07 | 1990-07-27 | Isdetekteringssystem |
Country Status (9)
Country | Link |
---|---|
US (1) | US5005015A ( ) |
JP (1) | JPH03118297A ( ) |
AU (1) | AU622089B2 ( ) |
DE (1) | DE4023982A1 ( ) |
FR (1) | FR2650667A1 ( ) |
GB (1) | GB2235778A ( ) |
IL (1) | IL95150A0 ( ) |
IT (1) | IT1246432B ( ) |
SE (1) | SE9002521L ( ) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5398547A (en) * | 1989-01-10 | 1995-03-21 | Innovative Dynamics, Inc. | Apparatus for measuring ice distribution profiles |
US5206806A (en) * | 1989-01-10 | 1993-04-27 | Gerardi Joseph J | Smart skin ice detection and de-icing system |
US5523959A (en) * | 1994-04-25 | 1996-06-04 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ice detector and deicing fluid effectiveness monitoring system |
US5629485A (en) * | 1994-12-13 | 1997-05-13 | The B.F. Goodrich Company | Contaminant detection sytem |
US5781115A (en) * | 1995-04-03 | 1998-07-14 | Target Microwave | Apparatus and method for detection and thickness measurement of coatings over a surface |
US6192752B1 (en) | 1995-08-04 | 2001-02-27 | Zevex, Inc. | Noninvasive electromagnetic fluid level sensor |
US5695155A (en) * | 1995-09-21 | 1997-12-09 | Hughes Aircraft Company | Resonator-based, surface-condition sensor |
US5772153A (en) * | 1995-10-17 | 1998-06-30 | Abaunza; John T. | Aircraft icing sensors |
US6052056A (en) * | 1996-04-26 | 2000-04-18 | Icg Technologies, Llc | Substance detection system and method |
US6995572B2 (en) * | 2001-03-05 | 2006-02-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Sensor and method for detecting a superstrate |
US7296425B2 (en) * | 2005-04-01 | 2007-11-20 | Sunwell Engineering Co., Ltd. | Sensor assembly for detecting ice crystal formation on heat exchange surface and ice-making machine incorporating the same |
US7502717B2 (en) * | 2006-04-18 | 2009-03-10 | Honeywell International Inc. | Method for predicting air cycle machine turbine ice formation and shedding and journal bearing wear |
US7456744B2 (en) * | 2006-05-16 | 2008-11-25 | 3M Innovative Properties Company | Systems and methods for remote sensing using inductively coupled transducers |
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 |
US7795997B2 (en) * | 2006-09-25 | 2010-09-14 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Apparatus and method for measuring an environmental condition |
US8209950B2 (en) * | 2006-10-12 | 2012-07-03 | United Technologies Corporation | Detecting ice buildup on an aircraft engine and actuating the turbofan exit nozzle to break the ice |
US7683791B2 (en) * | 2007-08-02 | 2010-03-23 | Honeywell International Inc. | Aircraft icing sensor |
US7775482B2 (en) * | 2008-04-18 | 2010-08-17 | Honeywell International Inc. | Aircraft icing sensor |
US8485722B1 (en) | 2009-10-14 | 2013-07-16 | Raytheon Company | Subsurface temperature measurement system |
US8779945B2 (en) * | 2010-03-17 | 2014-07-15 | Sikorsky Aircraft Corporation | Virtual ice accretion meter display |
US20130099944A1 (en) * | 2011-10-19 | 2013-04-25 | Honeywell International Inc. | Fluid pressure based icing detection for a turbine engine |
US8869508B2 (en) | 2012-01-31 | 2014-10-28 | United Technologies Corporation | Gas turbine engine variable area fan nozzle control |
US9593628B2 (en) | 2012-01-31 | 2017-03-14 | United Technologies Corporation | Gas turbine engine variable area fan nozzle with ice management |
RU2543447C2 (ru) * | 2012-04-18 | 2015-02-27 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли (Минпромторг России) | Способ контроля обледенения и устройство для его осуществления |
BR112014028202A2 (pt) | 2012-05-30 | 2017-06-27 | Gen Electric | método de medição e sensor de constituinte de material |
AT512155B1 (de) | 2012-06-05 | 2013-06-15 | Hainzl Industriesysteme Gmbh | Vorrichtung zum Erfassen eines Eisbelags auf den Rotorblättern einer Windturbine |
GB2494766B (en) * | 2012-09-11 | 2014-01-01 | Selex Es Ltd | De-Icing system and method |
US9297755B2 (en) * | 2013-10-24 | 2016-03-29 | The Regents Of The University Of Michigan | Ice and supercooled water detection system |
CN105992941B (zh) * | 2013-10-24 | 2019-04-26 | 密执安州立大学董事会 | 冰与过冷水检测系统 |
WO2015061557A1 (en) * | 2013-10-24 | 2015-04-30 | The Regents Of The University Of Michigan | Aircraft icing detector |
EP3060478B1 (en) * | 2013-10-24 | 2018-09-05 | The Regents of The University of Michigan | Aircraft icing detector |
US9194250B1 (en) * | 2014-05-07 | 2015-11-24 | General Electric Company | Embedded wireless sensors for turbomachine component defect monitoring |
US10336465B2 (en) | 2016-01-08 | 2019-07-02 | The Regents Of The University Of Michigan | Ice crystals and volcanic ash detection system |
US10596604B2 (en) | 2016-09-27 | 2020-03-24 | Texas Instruments Incorporated | Methods and apparatus using multistage ultrasonic lens cleaning for improved water removal |
US10682675B2 (en) | 2016-11-01 | 2020-06-16 | Texas Instruments Incorporated | Ultrasonic lens cleaning system with impedance monitoring to detect faults or degradation |
US11237387B2 (en) | 2016-12-05 | 2022-02-01 | Texas Instruments Incorporated | Ultrasonic lens cleaning system with foreign material detection |
FR3060063B1 (fr) | 2016-12-13 | 2019-05-17 | Electricite De France | Procede de detection de givrage et de degivrage |
US10663418B2 (en) | 2017-02-03 | 2020-05-26 | Texas Instruments Incorporated | Transducer temperature sensing |
US10695805B2 (en) | 2017-02-03 | 2020-06-30 | Texas Instruments Incorporated | Control system for a sensor assembly |
US11042026B2 (en) | 2017-02-24 | 2021-06-22 | Texas Instruments Incorporated | Transducer-induced heating and cleaning |
US11420238B2 (en) | 2017-02-27 | 2022-08-23 | Texas Instruments Incorporated | Transducer-induced heating-facilitated cleaning |
US10439293B2 (en) * | 2017-03-20 | 2019-10-08 | Lockheed Martin Corporation | Antenna systems using aircraft propellers |
CN108691704B (zh) * | 2017-04-10 | 2019-10-18 | 清华大学 | 发动机进气口结冰检测系统及除冰系统 |
US11607704B2 (en) | 2017-04-20 | 2023-03-21 | Texas Instruments Incorporated | Methods and apparatus for electrostatic control of expelled material for lens cleaners |
US10780467B2 (en) | 2017-04-20 | 2020-09-22 | Texas Instruments Incorporated | Methods and apparatus for surface wetting control |
US10908414B2 (en) | 2017-05-10 | 2021-02-02 | Texas Instruments Incorporated | Lens cleaning via electrowetting |
US10621865B2 (en) | 2018-03-29 | 2020-04-14 | The Regents Of The University Of Michigan | Road condition monitoring system |
US10508952B1 (en) | 2018-10-31 | 2019-12-17 | The Regents Of The University Of Michigan | Optimum spectral bands for active vision systems |
CA3087746C (en) * | 2019-07-23 | 2022-02-15 | The University Of British Columbia | Method and apparatus for detecting ice formation on a surface using resonant sensors |
CN110567357A (zh) * | 2019-09-26 | 2019-12-13 | 成都凯天电子股份有限公司 | 动态应变压电陶瓷探测结冰传感器 |
CN112697089B (zh) * | 2021-01-27 | 2022-09-27 | 伊美特(安徽)环保科技有限公司 | 一种根据使用者体重自动检测冰面的行走辅助装置 |
US11702939B2 (en) | 2021-07-23 | 2023-07-18 | Pratt & Whitney Canada Corp. | Fan icing detection system |
IT202100021041A1 (it) | 2021-08-04 | 2023-02-04 | Brennero Innovazioni Tecnologiche Srl | Sistema per la rilevazione di pericolo di formazione di ghiaccio su superfici |
CN115416854B (zh) * | 2022-11-07 | 2023-01-24 | 中国空气动力研究与发展中心低速空气动力研究所 | 一种基于温度测量的结冰探测装置及结冰探测方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123327A (en) * | 1964-03-03 | Figure | ||
FR873245A (fr) * | 1941-02-10 | 1942-07-02 | Centre Nat Rech Scient | Procédé et dispositif permettant la mesure de la vitesse de givrage à bord des aéronefs |
US3540025A (en) * | 1967-01-20 | 1970-11-10 | Sierracin Corp | Ice detector |
US4688185A (en) * | 1982-01-05 | 1987-08-18 | University Research Foundation | Microwave ice accretion measuring instrument |
US4470123A (en) * | 1982-01-05 | 1984-09-04 | Miami R & D Limited Partnership | Microwave ice accretion meter |
US4461178A (en) * | 1982-04-02 | 1984-07-24 | The Charles Stark Draper Laboratory, Inc. | Ultrasonic aircraft ice detector using flexural waves |
CH656015A5 (en) * | 1984-02-27 | 1986-05-30 | Vibro Meter Ag | Method of detecting a risk of freezing, warning device for implementing the method and its use |
US4766369A (en) * | 1986-03-31 | 1988-08-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ice detector |
-
1989
- 1989-08-07 US US07/390,125 patent/US5005015A/en not_active Expired - Lifetime
-
1990
- 1990-07-11 AU AU58896/90A patent/AU622089B2/en not_active Ceased
- 1990-07-13 JP JP2184428A patent/JPH03118297A/ja active Pending
- 1990-07-23 IL IL95150A patent/IL95150A0/xx not_active IP Right Cessation
- 1990-07-27 DE DE4023982A patent/DE4023982A1/de not_active Ceased
- 1990-07-27 SE SE9002521A patent/SE9002521L/ not_active Application Discontinuation
- 1990-07-30 FR FR9009699A patent/FR2650667A1/fr not_active Withdrawn
- 1990-08-06 GB GB9017188A patent/GB2235778A/en not_active Withdrawn
- 1990-08-07 IT IT02123590A patent/IT1246432B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5005015A (en) | 1991-04-02 |
IT1246432B (it) | 1994-11-18 |
IT9021235A0 (it) | 1990-08-07 |
AU5889690A (en) | 1991-02-07 |
SE9002521D0 (sv) | 1990-07-27 |
FR2650667A1 (fr) | 1991-02-08 |
JPH03118297A (ja) | 1991-05-20 |
IL95150A0 (en) | 1991-06-10 |
GB9017188D0 (en) | 1990-09-19 |
AU622089B2 (en) | 1992-03-26 |
DE4023982A1 (de) | 1991-02-14 |
IT9021235A1 (it) | 1992-02-07 |
GB2235778A (en) | 1991-03-13 |
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Legal Events
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NAV | Patent application has lapsed |
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