WO2010094096A8 - Métodos de medição e transdutores de campo magnético e pressão, baseados nas características de fase do efeito gmi - Google Patents

Métodos de medição e transdutores de campo magnético e pressão, baseados nas características de fase do efeito gmi Download PDF

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Publication number
WO2010094096A8
WO2010094096A8 PCT/BR2010/000026 BR2010000026W WO2010094096A8 WO 2010094096 A8 WO2010094096 A8 WO 2010094096A8 BR 2010000026 W BR2010000026 W BR 2010000026W WO 2010094096 A8 WO2010094096 A8 WO 2010094096A8
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic field
pressure measurement
phase characteristics
measurement methods
transducers based
Prior art date
Application number
PCT/BR2010/000026
Other languages
English (en)
French (fr)
Other versions
WO2010094096A1 (pt
Inventor
Elisabeth Costa Monteiro
Carlos Roberto Hall Barbosa
Luiz Antônio PEREIRA DE GUSMÃO
Eduardo Costa Da Silva
Flávia Maria POMPÉIA CAVALCANTI
Fernando Luis De Araujo Machado
Daniel Ramos Louzada
Original Assignee
FACULDADES CATÓLICAS, SOCIEDADE CIVIL MANTENEDORA DA PUC Rio
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 FACULDADES CATÓLICAS, SOCIEDADE CIVIL MANTENEDORA DA PUC Rio filed Critical FACULDADES CATÓLICAS, SOCIEDADE CIVIL MANTENEDORA DA PUC Rio
Priority to BRPI1008608A priority Critical patent/BRPI1008608B1/pt
Publication of WO2010094096A1 publication Critical patent/WO2010094096A1/pt
Publication of WO2010094096A8 publication Critical patent/WO2010094096A8/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/063—Magneto-impedance sensors; Nanocristallin sensors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

A presente invenção pertence ao campo dos transdutores, permitindo a medição de campo magnético e pressão. O transdutor da presente invenção baseia-se nas características de variação de fase da Magnetoimpedância Gigante (GMI). A presente invenção compreende ainda um método para medição de campo magnético e pressão a partir das características de fase do fenômeno GMI.
PCT/BR2010/000026 2009-02-17 2010-02-12 Métodos de medição e transdutores de campo magnético e pressão, baseados nas características de fase do efeito gmi WO2010094096A1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI1008608A BRPI1008608B1 (pt) 2009-02-17 2010-02-12 transdutor de campo magnético e/ou pressão, método de medição de campo magnético e método de medição de pressão

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0902770-0A BRPI0902770A2 (pt) 2009-02-17 2009-02-17 transdutor de campo magnético, método de medição de campo magnético, aparato compreendendo circuito eletrÈnico de condicionamento e leitura
BRPI0902770-0 2009-02-17

Publications (2)

Publication Number Publication Date
WO2010094096A1 WO2010094096A1 (pt) 2010-08-26
WO2010094096A8 true WO2010094096A8 (pt) 2011-04-21

Family

ID=42633372

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2010/000026 WO2010094096A1 (pt) 2009-02-17 2010-02-12 Métodos de medição e transdutores de campo magnético e pressão, baseados nas características de fase do efeito gmi

Country Status (2)

Country Link
BR (2) BRPI0902770A2 (pt)
WO (1) WO2010094096A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110609245B (zh) * 2019-10-09 2024-02-27 广西思晔自动化科技有限公司 一种榨蔗量微磁测量控制方法及其装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9814848D0 (en) * 1998-07-09 1998-09-09 Secr Defence Intergrating magnetic sensor
BR9903764A (pt) * 1999-09-09 2001-04-17 Fernando Luis De Araujo Machad Medidor de pressão utilizando a magneto-impedância gigante
SG106612A1 (en) * 2001-05-29 2004-10-29 Sony Electronics Singapore Pte A force sensing device
WO2008023079A1 (es) * 2006-08-25 2008-02-28 Tamag Ibérica, S.L. Hilos amorfos ultrafínos con recubrimiento vitreo exhibiendo efecto de magnetoimpedancia gigante (GMI) a frecuencias elevadas HILOS AMORFOS ULTRAFÍNOS CON RECUBRIMIENTO VITREO EXHIBIENDO EFECTO DE MAGNETOIMPEDANCIA GIGANTE (GMI) A FRECUENCIAS ELEVADAS

Also Published As

Publication number Publication date
WO2010094096A1 (pt) 2010-08-26
BRPI0902770A2 (pt) 2010-11-23
BRPI1008608A2 (pt) 2016-03-15
BRPI1008608B1 (pt) 2020-04-14

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