NO20061298L - Apparat og fremgangsmate for bestemmelse av metallgjenstanders posisjon i en inngangsstrom - Google Patents

Apparat og fremgangsmate for bestemmelse av metallgjenstanders posisjon i en inngangsstrom

Info

Publication number
NO20061298L
NO20061298L NO20061298A NO20061298A NO20061298L NO 20061298 L NO20061298 L NO 20061298L NO 20061298 A NO20061298 A NO 20061298A NO 20061298 A NO20061298 A NO 20061298A NO 20061298 L NO20061298 L NO 20061298L
Authority
NO
Norway
Prior art keywords
metal
coil portion
metal objects
determining
sense
Prior art date
Application number
NO20061298A
Other languages
English (en)
Inventor
Mark Nicholas Keene
Mathew C Mckie
Original Assignee
Qinetiq Ltd
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 Qinetiq Ltd filed Critical Qinetiq Ltd
Publication of NO20061298L publication Critical patent/NO20061298L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0036—Sorting out metallic particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0054—Sorting of waste or refuse
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Control Of Conveyors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

Det er beskrevet et apparat (10) for bestemmelse av metallgjenstanders posisjon i en sammenblandet inngangsstrøm av både metall- og ikke-metallgjenstander. Apparatet omfatter en metallpåvisende differensialspole (14A) som har et første parti viklet i en første retning og et andre spoleparti av generelt samme fasong og størrelse som det første og viklet i en andre retning motsatt den første, og transportutstyr (11) for å flytte gjenstander i forhold til og forbi den metallpåvisende differensialspole i et plan og i en retning med enhetsvektor â. Apparatet har som særtrekk at det andre spoleparti er forskjøvet fra det første spoleparti med en forskyvning B som har en komponent i planet i en retning med enhetsvektor B, hvor 0 < cos-1 â ? ? < p/2, idet apparatet også omfatter analyseutstyr for å analysere formen av utgangsspenningen fra spolen som funksjon av tiden for å bestemme posisjonen av nevnte metallgjenstander i en retning c i planet, hvor c er definert ved â ? c = 0
NO20061298A 2003-09-23 2006-03-22 Apparat og fremgangsmate for bestemmelse av metallgjenstanders posisjon i en inngangsstrom NO20061298L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0322224.7A GB0322224D0 (en) 2003-09-23 2003-09-23 Apparatus for establishing the positions of metal objects in an input stream
PCT/GB2004/003953 WO2005028129A1 (en) 2003-09-23 2004-09-16 Apparatus and method for establishing the positions of metal objects in an input stream

Publications (1)

Publication Number Publication Date
NO20061298L true NO20061298L (no) 2006-04-21

Family

ID=29266482

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20061298A NO20061298L (no) 2003-09-23 2006-03-22 Apparat og fremgangsmate for bestemmelse av metallgjenstanders posisjon i en inngangsstrom

Country Status (8)

Country Link
US (1) US7202661B2 (no)
EP (1) EP1663529B1 (no)
JP (1) JP4533385B2 (no)
AT (1) ATE406219T1 (no)
DE (1) DE602004016181D1 (no)
GB (1) GB0322224D0 (no)
NO (1) NO20061298L (no)
WO (1) WO2005028129A1 (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048757A1 (de) 2005-10-10 2007-04-19 Oliver Gurok Sensorvorrichtung zum Erkennen elektromagnetisch detektierbarer Fördergutteile und Sortiervorrichtung mit einer solchen Sensorvorrichtung
GB2441346B (en) * 2006-09-01 2011-04-13 Qinetiq Ltd Metal object detecting apparatus
JP4399610B2 (ja) * 2006-09-26 2010-01-20 国立大学法人九州工業大学 磁気特性測定方法及びシステム
WO2012024133A2 (en) * 2010-08-20 2012-02-23 Niitek, Inc. Metal detector and ground-penetrating radar hybrid head and manufacturing method thereof
BR112014019417B1 (pt) * 2012-02-10 2022-06-28 Illinois Tool Works Inc Método de equilibrar um sinal de saída de um detector de metal de frequência variável e detector de metal
WO2014055732A2 (en) 2012-10-04 2014-04-10 Whaley Brian A Shieldings for metal detector heads and manufacturing methods thereof
JP6153218B2 (ja) * 2012-12-28 2017-06-28 日本ブレーキ工業株式会社 金属異物検知装置
FR3006062B1 (fr) * 2013-05-24 2016-09-02 Benoit Paing Procede de visualisation d'objets metalliques
MA41539A (fr) 2015-11-25 2017-12-26 Vayyar Imaging Ltd Procédés et appareil de collocation de bobines électromagnétiques et de circuits électroniques
US12241865B2 (en) * 2020-08-04 2025-03-04 Brown University Magnetic gradiometer based on magnetic tunnel junctions in magnetic vortex state (vortex MTJ)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134262B (de) * 1960-11-03 1962-08-02 Hoechst Ag Vorrichtung zum Ausscheiden metallischer Fremdkoerper aus bewegtem Mahlgut od. dgl.
JPH0619470B2 (ja) 1988-07-26 1994-03-16 大和製衡株式会社 金属等の異物混入検出方法および検出器
JPH055784A (ja) 1990-11-30 1993-01-14 Anritsu Corp 金属検出装置
JP3094170B2 (ja) * 1991-03-27 2000-10-03 株式会社小松製作所 金属粒子検出センサの電極構造
JP3383322B2 (ja) * 1991-11-08 2003-03-04 ナショナル・リカバリー・テクノロジーズ・インコーポレーテッド 粒子分離装置
JPH05223947A (ja) 1992-02-07 1993-09-03 Anritsu Corp 金属検出装置
US6060677A (en) * 1994-08-19 2000-05-09 Tiedemanns-Jon H. Andresen Ans Determination of characteristics of material
JP3015008B2 (ja) * 1998-07-30 2000-02-28 東洋ガラス株式会社 金属検出装置
JP3658523B2 (ja) * 1999-08-31 2005-06-08 アンリツ産機システム株式会社 金属検出機
DE10003562A1 (de) * 2000-01-27 2001-08-16 Commodas Gmbh Vorrichtung und Verfahren zum Aussortieren von metallischen Fraktionen aus einem Schüttgutstrom

Also Published As

Publication number Publication date
JP2007506111A (ja) 2007-03-15
EP1663529A1 (en) 2006-06-07
ATE406219T1 (de) 2008-09-15
US20070007953A1 (en) 2007-01-11
JP4533385B2 (ja) 2010-09-01
EP1663529B1 (en) 2008-08-27
WO2005028129A1 (en) 2005-03-31
DE602004016181D1 (de) 2008-10-09
US7202661B2 (en) 2007-04-10
GB0322224D0 (en) 2003-10-22

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