BRPI0819749A2 - Sistema de detecção de vazamento para uma estrutura, e método para detecção de vazamento para uma estrutura possuindo uma primeira barreira para um primeiro fluido e uma segunda barreira para um segundo fluido - Google Patents

Sistema de detecção de vazamento para uma estrutura, e método para detecção de vazamento para uma estrutura possuindo uma primeira barreira para um primeiro fluido e uma segunda barreira para um segundo fluido

Info

Publication number
BRPI0819749A2
BRPI0819749A2 BRPI0819749A BRPI0819749A2 BR PI0819749 A2 BRPI0819749 A2 BR PI0819749A2 BR PI0819749 A BRPI0819749 A BR PI0819749A BR PI0819749 A2 BRPI0819749 A2 BR PI0819749A2
Authority
BR
Brazil
Prior art keywords
barrier
fluid
leak detection
detection system
leak
Prior art date
Application number
Other languages
English (en)
Inventor
Rogerio Tadeu Ramos
Original Assignee
Prad Res & Dev 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 Prad Res & Dev Ltd filed Critical Prad Res & Dev Ltd
Publication of BRPI0819749A2 publication Critical patent/BRPI0819749A2/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G01M3/047—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means with photo-electrical detection means, e.g. using optical fibres
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
BRPI0819749 2007-11-26 2008-11-26 Sistema de detecção de vazamento para uma estrutura, e método para detecção de vazamento para uma estrutura possuindo uma primeira barreira para um primeiro fluido e uma segunda barreira para um segundo fluido BRPI0819749A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99014707P 2007-11-26 2007-11-26
PCT/US2008/085042 WO2009070769A1 (en) 2007-11-26 2008-11-26 Optical fiber leak, rupture and impact detection system and method

Publications (1)

Publication Number Publication Date
BRPI0819749A2 true BRPI0819749A2 (pt) 2015-05-05

Family

ID=40679013

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0819749 BRPI0819749A2 (pt) 2007-11-26 2008-11-26 Sistema de detecção de vazamento para uma estrutura, e método para detecção de vazamento para uma estrutura possuindo uma primeira barreira para um primeiro fluido e uma segunda barreira para um segundo fluido

Country Status (4)

Country Link
US (1) US8520195B2 (pt)
EP (1) EP2220468B1 (pt)
BR (1) BRPI0819749A2 (pt)
WO (1) WO2009070769A1 (pt)

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Also Published As

Publication number Publication date
US20100315630A1 (en) 2010-12-16
EP2220468B1 (en) 2019-06-26
EP2220468A4 (en) 2014-09-17
WO2009070769A1 (en) 2009-06-04
US8520195B2 (en) 2013-08-27
EP2220468A1 (en) 2010-08-25

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Legal Events

Date Code Title Description
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2494 DE 23-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.