DE3776272D1 - Geraet zur metalldetektion in einem fluss von masseteilchen. - Google Patents

Geraet zur metalldetektion in einem fluss von masseteilchen.

Info

Publication number
DE3776272D1
DE3776272D1 DE8787309762T DE3776272T DE3776272D1 DE 3776272 D1 DE3776272 D1 DE 3776272D1 DE 8787309762 T DE8787309762 T DE 8787309762T DE 3776272 T DE3776272 T DE 3776272T DE 3776272 D1 DE3776272 D1 DE 3776272D1
Authority
DE
Germany
Prior art keywords
flow
detecting device
metal detecting
mass particles
particles
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
DE8787309762T
Other languages
English (en)
Inventor
Charles D Pletcher
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.)
Philip Morris Products SA
Philip Morris Products Inc
Original Assignee
Philip Morris Products SA
Philip Morris Products Inc
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 Philip Morris Products SA, Philip Morris Products Inc filed Critical Philip Morris Products SA
Application granted granted Critical
Publication of DE3776272D1 publication Critical patent/DE3776272D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • 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
    • G01V3/102—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 by measuring amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE8787309762T 1986-11-04 1987-11-04 Geraet zur metalldetektion in einem fluss von masseteilchen. Expired - Fee Related DE3776272D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/927,276 US4839602A (en) 1986-11-04 1986-11-04 Means for detecting metal in a stream of particulate matter

Publications (1)

Publication Number Publication Date
DE3776272D1 true DE3776272D1 (de) 1992-03-05

Family

ID=25454502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787309762T Expired - Fee Related DE3776272D1 (de) 1986-11-04 1987-11-04 Geraet zur metalldetektion in einem fluss von masseteilchen.

Country Status (4)

Country Link
US (1) US4839602A (de)
EP (1) EP0267021B1 (de)
AU (1) AU593954B2 (de)
DE (1) DE3776272D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926120A (en) * 1988-12-27 1990-05-15 United Technologies Corporation In-line metallic debris particle detection system
US5476108A (en) * 1990-04-05 1995-12-19 R. J. Reynolds Tobacco Company Method and apparatus for detecting foreign matter within a layer of tabacco
GB2324154B (en) * 1997-04-01 2001-05-02 Michael John Hutchings Electromagnetic detector for measuring magnetic or conductive properties
US6043639A (en) * 1997-12-01 2000-03-28 Celestica International Inc. Method and apparatus for real-time detection of airborne conductive contaminants
DE10322913A1 (de) * 2003-05-21 2004-12-16 Bayer Technology Services Gmbh Verfahren und Vorrichtung zur Messung des Gehaltes an ferromagnetischen Partikeln in Flüssigkeits-Suspensionen oder Feststoff-Gemischen
JP6572519B2 (ja) * 2013-04-23 2019-09-11 株式会社リコー 透磁率検知器、現像装置及び画像形成装置
JP5915953B2 (ja) * 2014-03-05 2016-05-11 パナソニックＩｐマネジメント株式会社 異物検出装置、送電装置、受電装置、および無線電力伝送システム
EP3009866B1 (de) * 2014-03-05 2022-05-04 Panasonic Intellectual Property Management Co., Ltd. Fremdkörperdetektor, stromsender, stromempfänger und drahtloses stromübertragungssystem
DE102016115098A1 (de) * 2016-08-15 2018-02-15 Hauni Maschinenbau Gmbh Messvorrichtung und Verfahren zum Erkennen von elektrisch leitenden Elementen in Produkten sowie eine Maschine zum Herstellen von Produkten der Tabak verarbeitenden Industrie
EP3474451A1 (de) * 2017-10-19 2019-04-24 Imst Gmbh Sensorvorrichtung, detektionsverfahren für eine sensorvorrichtung und verwendung einer sensorvorrichtung
DE202017007460U1 (de) 2017-10-19 2021-09-09 Imst Gmbh Sensorvorrichtung
US11017992B2 (en) 2019-09-11 2021-05-25 Agilent Technologies, Inc. AC-coupled system for particle detection
US20220346437A1 (en) * 2019-12-23 2022-11-03 Philip Morris Products S.A. Method and apparatus for inspecting an inductively heatable aerosol-generating article for the presence of a susceptor and a desired article alignment

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048591A (en) * 1934-07-23 1936-07-21 Harry L Berry Metal detecting device
US2550607A (en) * 1948-02-13 1951-04-24 Frank M Shoemaker Electronic metal detector
US2587631A (en) * 1948-05-21 1952-03-04 American Can Co Apparatus for measuring and detecting magnetic objects
US2580670A (en) * 1948-06-28 1952-01-01 Radio Frequency Lab Inc Metal detector
US2709785A (en) * 1951-05-03 1955-05-31 Robertshaw Fulton Controls Co Measurement of conductivity of liquids
US2863546A (en) * 1956-03-19 1958-12-09 Best Foods Inc Magnetic flux monitoring apparatus
US3030576A (en) * 1958-04-24 1962-04-17 Tno Circuit for measuring self-inductances and capacitances and changes thereof
US3237155A (en) * 1962-03-08 1966-02-22 Lab For Electronics Inc Vehicle detector
GB1092362A (en) * 1963-05-23 1967-11-22 David Theodore Nelson Williams Improvements in detectors for electrically conductive or magnetic particles
US3278809A (en) * 1963-10-16 1966-10-11 Gen Cable Corp Tinsel splice detector
CH421237A (de) * 1964-02-05 1966-09-30 Ebauches Sa Näherungsdetektor
US3375493A (en) * 1965-06-30 1968-03-26 Gen Precision Systems Inc Inductive loop presence detector
FR1507154A (fr) * 1965-08-20 1967-12-29 Telemecanique Electrique Détecteur à oscillateur
US3460000A (en) * 1965-11-16 1969-08-05 Allen Bradley Co Stabilized control circuit
US3721821A (en) * 1970-12-14 1973-03-20 Abex Corp Railway wheel sensor
US3935542A (en) * 1972-01-22 1976-01-27 Robert Buck Contactless oscillator-type proximity sensor with constant-voltage impedance
US3727075A (en) * 1972-02-24 1973-04-10 Ibm Missing type detector
US3747012A (en) * 1972-09-21 1973-07-17 R Buck Contactless oscillator-type proximity sensor with adjustable hysteresis
US3747010A (en) * 1972-09-21 1973-07-17 R Buck Power supply for oscillator circuit of contactless proximity indicator
US3747011A (en) * 1972-09-21 1973-07-17 R Buck Metal detector including proximity-responsive oscillator with feedback-stabilized gain
US3809998A (en) * 1973-02-01 1974-05-07 Magnetic Analysis Corp Current regulator for pulse eddy current tester
US3961238A (en) * 1975-01-22 1976-06-01 Robert F. Gardiner Selective metal detector circuit having dual tuned resonant circuits
US4138709A (en) * 1975-10-22 1979-02-06 Square D Company Proximity switch
DE2711877C3 (de) * 1977-03-18 1979-09-13 Robert 7995 Neukirch Buck Elektronisches Schaltgerät
US4130792A (en) * 1977-09-30 1978-12-19 Sullivan John W Metal detector with feedback tuning
US4220499A (en) * 1978-10-04 1980-09-02 Westvaco Corporation Method for determining the relative quantity of shives in a stream of fibrous particles
US4291280A (en) * 1978-11-15 1981-09-22 Sybron Corporation AC Generator system having stabilized sensitivity for sensing the presence or absence of a conductive object
US4257001A (en) * 1979-04-13 1981-03-17 John G. Abramo Resonant circuit sensor of multiple properties of objects
EP0062396A3 (de) * 1981-03-26 1983-06-22 Environmental Products Corporation Aluminiumbüchsendetektor
AT377650B (de) * 1982-03-30 1985-04-10 Siemens Ag Oesterreich Oszillatorschaltung
EP0096568A1 (de) * 1982-06-09 1983-12-21 Deere & Company Metallsuchanordnung
DE3225193A1 (de) * 1982-07-06 1984-01-12 Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen Induktiver naeherungsschalter
US4613815A (en) * 1983-04-27 1986-09-23 Pall Corporation Electromagnetic detector for metallic materials having an improved phase detection circuit
DE3327329A1 (de) * 1983-07-29 1985-02-14 Robert Ing.(grad.) 7995 Neukirch Buck Elektronisches, vorzugsweise beruehrungslos arbeitendes schaltgeraet
EP0169582B1 (de) * 1984-07-27 1991-05-29 Omron Tateisi Electronics Co. Näherungsschalter

Also Published As

Publication number Publication date
AU593954B2 (en) 1990-02-22
AU8065087A (en) 1988-05-05
EP0267021A2 (de) 1988-05-11
EP0267021A3 (en) 1989-03-22
EP0267021B1 (de) 1992-01-22
US4839602A (en) 1989-06-13

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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