SE505241C2 - Metod och anordning för bestämning av fuktinnehållet i ett material - Google Patents

Metod och anordning för bestämning av fuktinnehållet i ett material

Info

Publication number: SE505241C2
Authority: SE; Sweden
Prior art keywords: signal; frequency; measured; component; moisture content
Prior art date: 1989-01-13

Application number

SE9000065A

Other languages

English (en)

Swedish (sv)

Other versions

SE9000065L (sv

SE9000065D0 (sv

Inventor

Pekka Jakkula

Esko Tahkola

Original Assignee

Kajaani Electronics

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.)

1989-01-13

Filing date

1990-01-09

Publication date

1997-07-21

1990-01-09 Application filed by Kajaani Electronics filed Critical Kajaani Electronics

1990-01-09 Publication of SE9000065D0 publication Critical patent/SE9000065D0/xx

1990-07-14 Publication of SE9000065L publication Critical patent/SE9000065L/

1997-07-21 Publication of SE505241C2 publication Critical patent/SE505241C2/sv

Links

239000000463 material Substances 0.000 title claims abstract description 92
238000000034 method Methods 0.000 title claims abstract description 27
238000005259 measurement Methods 0.000 claims description 32
239000002023 wood Substances 0.000 claims description 13
238000001514 detection method Methods 0.000 claims description 6
229920001131 Pulp (paper) Polymers 0.000 claims description 4
238000007620 mathematical function Methods 0.000 claims description 4
239000007900 aqueous suspension Substances 0.000 claims description 2
239000000126 substance Substances 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
101000623895 Bos taurus Mucin-15 Proteins 0.000 abstract description 5
230000003111 delayed effect Effects 0.000 abstract description 4
230000005540 biological transmission Effects 0.000 description 6
238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 4
238000005516 engineering process Methods 0.000 description 3
238000004364 calculation method Methods 0.000 description 2
230000007423 decrease Effects 0.000 description 2
238000010408 sweeping Methods 0.000 description 2
238000004891 communication Methods 0.000 description 1
238000004590 computer program Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000005314 correlation function Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000012212 insulator Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Radar Systems Or Details Thereof (AREA)
Geophysics And Detection Of Objects (AREA)

SE9000065A 1989-01-13 1990-01-09 Metod och anordning för bestämning av fuktinnehållet i ett material SE505241C2 (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI890201A FI84402C (fi)	1989-01-13	1989-01-13	Foerfarande och anordning foer bestaemning av fukthalt i materialet.

Publications (3)

Publication Number	Publication Date
SE9000065D0 SE9000065D0 (sv)	1990-01-09
SE9000065L SE9000065L (sv)	1990-07-14
SE505241C2 true SE505241C2 (sv)	1997-07-21

Family

ID=8527725

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9000065A SE505241C2 (sv)	1989-01-13	1990-01-09	Metod och anordning för bestämning av fuktinnehållet i ett material

Country Status (5)

Country	Link
JP (1)	JP3026223B2 (fr)
CA (1)	CA2007300C (fr)
DE (1)	DE4000925C2 (fr)
FI (1)	FI84402C (fr)
SE (1)	SE505241C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2000003235A1 (fr) *	1998-07-10	2000-01-20	Neles Field Controls Oy	Technique et dispositif de mesure de la teneur en gaz d'un liquide

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3160474B2 (ja) *	1994-09-12	2001-04-25	株式会社東芝	マイクロ波濃度計
DE19725305A1 (de) *	1997-06-14	1998-12-17	Micas Elektronik Gmbh U Co Kg	Verfahren und Vorrichtung zur Bestimmung des Feuchtigkeitsgehalts von Gegenständen
JP2000111499A (ja)	1998-10-02	2000-04-21	Toshiba Fa Syst Eng Corp	マイクロ波濃度測定装置
US6854322B2 (en) *	2002-06-10	2005-02-15	The Procter & Gamble Company	Directional coupler sensor
US7151380B2 (en) *	2004-08-06	2006-12-19	Voith Paper Patent Gmbh	Microwave water weight sensor and process
DE102004058641B4 (de) *	2004-12-01	2007-03-01	Agueeva, Olga, Dr.	Verfahren zur kontinuierlichen oder diskontinuierlichen Bestimmung der Konzentration der enthaltenen Bestandteile in einem Medium mittels Auswertung der das Medium durchdringende Mikrowellen
DE102006052789B3 (de) *	2006-11-09	2008-07-10	Festo Ag & Co	Verfahren und Positionsmessvorrichtung zur Bestimmung einer Position eines Messobjekts
CA3096950C (fr)	2013-06-28	2024-04-02	Sensors & Software Inc.	Systeme et procede pour la mesure d'une propriete de matiere utilisant un reflecteur variable
DE102014216466A1 (de) *	2014-08-20	2016-02-25	Bayerische Motoren Werke Aktiengesellschaft	Quantitative Bestimmung des Wassergehalts an Werkstoffen
CN104977312B (zh) *	2015-06-18	2017-10-13	四川莱源科技有限公司	雷达型微波测水仪器的测试方法
DE102017202214B4 (de)	2017-02-13	2019-06-27	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Verfahren und Anordnung zur Messung von Eigenschaften einer Materialbahn

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3851244A (en) *	1973-12-18	1974-11-26	Electronic Ass Of Canada Ltd	Microwave moisture measuring apparatus
NL8100250A (nl) *	1980-03-13	1981-10-01	Halliburton Co	Akoestisch logstelsel met zwaai-energiebron.
DE3150202A1 (de) *	1981-12-18	1983-06-23	Philips Patentverwaltung Gmbh, 2000 Hamburg	Anordnung zur messung der feuchte
JPH0785062B2 (ja) *	1987-06-09	1995-09-13	建設省土木研究所長	電磁波による土の乾燥密度の測定方法

1989
- 1989-01-13 FI FI890201A patent/FI84402C/fi not_active IP Right Cessation
1990
- 1990-01-08 CA CA002007300A patent/CA2007300C/fr not_active Expired - Lifetime
- 1990-01-09 SE SE9000065A patent/SE505241C2/sv not_active IP Right Cessation
- 1990-01-12 JP JP2005402A patent/JP3026223B2/ja not_active Expired - Lifetime
- 1990-01-15 DE DE4000925A patent/DE4000925C2/de not_active Expired - Lifetime

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2000003235A1 (fr) *	1998-07-10	2000-01-20	Neles Field Controls Oy	Technique et dispositif de mesure de la teneur en gaz d'un liquide

Also Published As

Publication number	Publication date
FI890201A7 (fi)	1990-07-14
JPH02238348A (ja)	1990-09-20
CA2007300A1 (fr)	1990-07-13
DE4000925C2 (de)	1998-01-22
FI84402C (fi)	1991-11-25
SE9000065L (sv)	1990-07-14
CA2007300C (fr)	2000-09-26
JP3026223B2 (ja)	2000-03-27
DE4000925A1 (de)	1990-07-19
SE9000065D0 (sv)	1990-01-09
FI84402B (fi)	1991-08-15
FI890201A0 (fi)	1989-01-13

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Legal Events

Date	Code	Title	Description
2010-03-16	NUG	Patent has lapsed