WO2018152274A1 - Appareil de détection de fuite et procédés pour un matériau de transport de tuyau flexible - Google Patents

Appareil de détection de fuite et procédés pour un matériau de transport de tuyau flexible Download PDF

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Publication number
WO2018152274A1
WO2018152274A1 PCT/US2018/018284 US2018018284W WO2018152274A1 WO 2018152274 A1 WO2018152274 A1 WO 2018152274A1 US 2018018284 W US2018018284 W US 2018018284W WO 2018152274 A1 WO2018152274 A1 WO 2018152274A1
Authority
WO
WIPO (PCT)
Prior art keywords
hose
wire
helically wound
reinforcing layer
layer
Prior art date
Application number
PCT/US2018/018284
Other languages
English (en)
Inventor
Jack Wallace
Ronald CHEVALIER
Zhaoxia Yu
Pascal Langlois
Jean-Christophe Deniau
Original Assignee
Contitech Usa, 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 Contitech Usa, Inc. filed Critical Contitech Usa, Inc.
Publication of WO2018152274A1 publication Critical patent/WO2018152274A1/fr

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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
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/182—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for tubes

Definitions

  • U.S. Pat. No. 8,087,430 B1 describes a leak detecting hose for transporting fluid.
  • the hose has an inner layer and an outer layer.
  • the outer layer circumscribes the inner layer.
  • a transition layer is located between the inner and outer layer, and the transition layer provides a flow path for the fluid in the hose when the inner layer is breached.
  • a first conductive wire is placed in contact with the transition layer, and a second conductive wire is placed in contact with the transition layer.
  • the conductive wires are adjacent to and spaced from each other. When the inner layer of the hose is breached, the first and second wires will contact the fluid in the flow path.
  • the reinforcing layer includes a elastomeric material having dielectric properties which could change when exposed to fluids contained in the hose. Accordingly, in some embodiments, as material contained in the hose penetrate the reinforcement layer, electrical property (such as conductive or dielectric) changes in the hose are detected via the helically wound floating wire and the ground wire.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La présente invention concerne un appareil qui comprend au moins un raccord, et un tuyau flexible raccordé de façon étanche à l'au moins un raccord. Le tuyau flexible comprend au moins une couche interne, une couche de renforcement, un fil flottant enroulé de façon hélicoïdale disposé dans la couche de renforcement, et un fil de masse disposé dans la couche de renforcement. Le fil de masse est orienté de façon au moins sensiblement parallèle au fil flottant enroulé de façon hélicoïdale. Le fil flottant enroulé de façon hélicoïdale et le fil de masse sont capables de mesurer les propriétés de résistance électrique du tuyau flexible. Les propriétés de résistance électrique mesurées peuvent être indicatives de l'état de fuite de l'appareil. Dans certains cas, la couche de renforcement comprend un matériau élastomère conducteur ayant une chimie pour devenir plus conducteur lorsqu'il est exposé à des matériaux contenus dans le tuyau flexible, de sorte que le matériau contenu dans le tuyau flexible pénètre dans la couche de renforcement, des changements de propriété de résistance électrique dans le tuyau sont détectés par l'intermédiaire du fil flottant enroulé de façon hélicoïdale et du fil de masse.
PCT/US2018/018284 2017-02-15 2018-02-15 Appareil de détection de fuite et procédés pour un matériau de transport de tuyau flexible WO2018152274A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762459449P 2017-02-15 2017-02-15
US62/459,449 2017-02-15

Publications (1)

Publication Number Publication Date
WO2018152274A1 true WO2018152274A1 (fr) 2018-08-23

Family

ID=61283418

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2018/018284 WO2018152274A1 (fr) 2017-02-15 2018-02-15 Appareil de détection de fuite et procédés pour un matériau de transport de tuyau flexible

Country Status (1)

Country Link
WO (1) WO2018152274A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6386237B1 (en) 1999-04-12 2002-05-14 The Goodyear Tire & Rubber Company Abrasive material transport hose with wear detecting sensors
US20050138990A1 (en) * 2003-12-24 2005-06-30 Itt Manufacturing Enterprises, Inc. Appliance leak detector and inline shutoff
JP2009002457A (ja) * 2007-06-22 2009-01-08 Yokohama Rubber Co Ltd:The マリンホース
US7555936B2 (en) 2005-03-04 2009-07-07 Purdue Research Foundation Hydraulic hose with integral life-sensing capability and method therefor
US8087430B1 (en) 2009-02-26 2012-01-03 Betz James C Leak detecting hose
US8528385B2 (en) 2010-12-30 2013-09-10 Eaton Corporation Leak detection system
WO2013160903A1 (fr) * 2012-04-23 2013-10-31 Eaton Corporation Procédés et systèmes permettant de mesurer la résistance de tuyaux
US8997792B2 (en) 2012-06-29 2015-04-07 Eaton Corporation Abrasion monitoring system for hose assembly
US9291521B2 (en) 2010-12-30 2016-03-22 Eaton Corporation Leak detection system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6386237B1 (en) 1999-04-12 2002-05-14 The Goodyear Tire & Rubber Company Abrasive material transport hose with wear detecting sensors
US20050138990A1 (en) * 2003-12-24 2005-06-30 Itt Manufacturing Enterprises, Inc. Appliance leak detector and inline shutoff
US7555936B2 (en) 2005-03-04 2009-07-07 Purdue Research Foundation Hydraulic hose with integral life-sensing capability and method therefor
JP2009002457A (ja) * 2007-06-22 2009-01-08 Yokohama Rubber Co Ltd:The マリンホース
US8087430B1 (en) 2009-02-26 2012-01-03 Betz James C Leak detecting hose
US8528385B2 (en) 2010-12-30 2013-09-10 Eaton Corporation Leak detection system
US9291521B2 (en) 2010-12-30 2016-03-22 Eaton Corporation Leak detection system
WO2013160903A1 (fr) * 2012-04-23 2013-10-31 Eaton Corporation Procédés et systèmes permettant de mesurer la résistance de tuyaux
US8997792B2 (en) 2012-06-29 2015-04-07 Eaton Corporation Abrasion monitoring system for hose assembly

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