ATE94647T1 - Pruefen von leitungen. - Google Patents

Pruefen von leitungen.

Info

Publication number
ATE94647T1
ATE94647T1 AT88306225T AT88306225T ATE94647T1 AT E94647 T1 ATE94647 T1 AT E94647T1 AT 88306225 T AT88306225 T AT 88306225T AT 88306225 T AT88306225 T AT 88306225T AT E94647 T1 ATE94647 T1 AT E94647T1
Authority
AT
Austria
Prior art keywords
duct
decay
pressure
perfect
monitored
Prior art date
Application number
AT88306225T
Other languages
English (en)
Inventor
Peter David Jenkins
Bruce Wiltshire
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE94647T1 publication Critical patent/ATE94647T1/de

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
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2846—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
    • H01L23/3157—Partial encapsulation or coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Lock And Its Accessories (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Road Signs Or Road Markings (AREA)
  • Liquid Crystal Substances (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Eye Examination Apparatus (AREA)
AT88306225T 1987-07-08 1988-07-07 Pruefen von leitungen. ATE94647T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878716032A GB8716032D0 (en) 1987-07-08 1987-07-08 Duct testing
EP88306225A EP0300647B1 (de) 1987-07-08 1988-07-07 Prüfen von Leitungen

Publications (1)

Publication Number Publication Date
ATE94647T1 true ATE94647T1 (de) 1993-10-15

Family

ID=10620283

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88306225T ATE94647T1 (de) 1987-07-08 1988-07-07 Pruefen von leitungen.

Country Status (14)

Country Link
US (1) US5092161A (de)
EP (1) EP0300647B1 (de)
JP (2) JP2638633B2 (de)
AT (1) ATE94647T1 (de)
AU (1) AU608869B2 (de)
CA (1) CA1332518C (de)
DE (1) DE3884085T2 (de)
DK (1) DK110889A (de)
ES (1) ES2043824T3 (de)
GB (1) GB8716032D0 (de)
HK (1) HK134796A (de)
IE (1) IE60825B1 (de)
NZ (1) NZ225319A (de)
WO (1) WO1989000283A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8815977D0 (en) * 1988-07-05 1988-08-10 British Telecomm Transmission line ducts
DK167986B1 (da) * 1991-03-08 1994-01-10 Dantec Measurement Technology Fremgangsmaade og anlaeg til detektering og sporing af laekager i ledninger eller ledningsnet
US5272911A (en) * 1992-10-26 1993-12-28 Litton Industrial Automation Systems, Inc. Cylinder head flow test apparatus and method
SE9303484D0 (sv) * 1993-10-22 1993-10-22 Siemens Elema Ab Förfarande och anordning för mätning av flödesmotståndet hos en kateter vid ett implanterat infusionssystem för läkemedel
TW295623B (de) * 1994-08-19 1997-01-11 Caldon Co
US5537856A (en) * 1995-04-05 1996-07-23 Purity Packaging, A Division Of Great Pacific Enterprises Flow restriction detector for a nozzle assembly
US20030142945A1 (en) * 2002-01-28 2003-07-31 Dallas Joseph L. Method and system for attaching one or more optical fibers to a retaining device
US7686761B2 (en) * 2005-10-28 2010-03-30 Ethicon, Inc. Method of detecting proper connection of an endoscope to an endoscope processor
WO2007111351A1 (ja) * 2006-03-28 2007-10-04 Hitachi Kokusai Electric Inc. 半導体装置の製造方法
GB2441788B (en) 2006-09-15 2011-11-09 Studor Sa Method and equipment for detecting sealing deficiencies in drainage and vent systems for buildings
AU2009281714B2 (en) * 2008-08-15 2014-10-23 Adelaide Research & Innovation Pty Ltd Method and system for assessment of pipeline condition
CH706219A1 (de) * 2012-03-13 2013-09-13 Alpla Werke Verfahren und Einrichtung zur Funktionsprüfung von in einem Extrusionsblasverfahren hergestellten Kunststoffbehältern mit einem Steigröhrchen.
DE102016203552A1 (de) * 2016-03-03 2017-09-07 Kuka Roboter Gmbh Verfahren zum Überwachen einer Versorgungsleitung eines Industrieroboters
CN109780447B (zh) * 2018-12-28 2020-11-06 大连理工大学 一种使用脉冲压力波检测压力管道内堵塞情况的方法
US11287349B2 (en) 2019-05-31 2022-03-29 Pti Technologies, Inc. Burst-duct detection system
CN110410681B (zh) * 2019-07-31 2021-07-02 海南高信通科技有限公司 一种燃气安全远程智能家居预警系统
CN118627930A (zh) * 2024-06-27 2024-09-10 北方工业大学 地下管廊结构健康监测预警系统及其监测装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1350358A (en) * 1919-04-17 1920-08-24 Thomas H S Cone Testing system
US2430034A (en) * 1945-08-13 1947-11-04 Stern Abraham Apparatus for locating leaks
US3690150A (en) * 1971-08-19 1972-09-12 Exxon Research Engineering Co Pipe line leak detection and location system
FR2243431A1 (en) * 1973-09-06 1975-04-04 Gaubert Francois Gas channel failure detector - uses vacuum pump driven by electric motor, isolating valve and manometer
US4012944A (en) * 1974-12-09 1977-03-22 Shafer Valve Company Electronic fluid pipeline leak detector and method
FR2301003A1 (fr) * 1975-02-17 1976-09-10 Electricite De France Procede et dispositif de controle d'etancheite d'ouvrages, notamment en beton
US4006349A (en) * 1975-10-23 1977-02-01 Pacific Pneumatics, Inc. Monitoring apparatus for a pneumatic conveyor system
US4272985A (en) * 1979-12-03 1981-06-16 Uson Corporation Method of and apparatus for compensating for temperature in leak testing
JPS58179331A (ja) * 1982-04-14 1983-10-20 Toyoda Gosei Co Ltd ブレ−キホ−スの漏れ検査装置
EP0094533B1 (de) * 1982-05-15 1986-03-12 Fried. Krupp Gesellschaft mit beschränkter Haftung Verfahren zur Leckprüfung von Rohren oder Rohrnetzen
JPS58211100A (ja) * 1982-05-31 1983-12-08 Sumitomo Metal Ind Ltd 液体輸送パイプラインの漏洩検知方法
JPS596500A (ja) * 1982-07-02 1984-01-13 Sumitomo Metal Ind Ltd 液体輸送用パイプラインの漏洩検知方法
US4459843A (en) * 1982-07-06 1984-07-17 Durham La Moyne W Apparatus and method for testing containers
US4571986A (en) * 1982-10-12 1986-02-25 Kabushiki Kaisha Kobe Seiko Sho Pipe leak detector
JPS6013237A (ja) * 1983-07-04 1985-01-23 Hitachi Ltd 液体輸送管路の漏洩検知方法
FR2549576B1 (fr) * 1983-07-21 1990-06-15 Cqfd Procede et dispositif de controle de fuite sur un reseau de distribution de fluide
SE447604B (sv) * 1985-04-02 1986-11-24 Protronic Ab Forfarande och anordning for detektering i en rorsektion
SE454458B (sv) * 1985-04-24 1988-05-02 Billy Jacquet Anordning for forhindrande av leckage i tryckledningar med tryck- och tidsstyrd reglering
JPS61294326A (ja) * 1985-06-24 1986-12-25 Tokyo Gas Co Ltd 配管における漏洩箇所の検出方法
US4796466A (en) * 1987-02-17 1989-01-10 Ed Farmer System for monitoring pipelines
JPH07118417B2 (ja) * 1990-12-21 1995-12-18 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気記録媒体

Also Published As

Publication number Publication date
JP2638633B2 (ja) 1997-08-06
ES2043824T3 (es) 1994-01-01
JPH08254477A (ja) 1996-10-01
NZ225319A (en) 1990-04-26
AU608869B2 (en) 1991-04-18
GB8716032D0 (en) 1987-08-12
DE3884085T2 (de) 1994-03-10
WO1989000283A1 (en) 1989-01-12
AU1965788A (en) 1989-01-30
CA1332518C (en) 1994-10-18
IE882065L (en) 1989-01-10
DK110889D0 (da) 1989-03-07
JP2799320B2 (ja) 1998-09-17
DE3884085D1 (de) 1993-10-21
EP0300647A1 (de) 1989-01-25
US5092161A (en) 1992-03-03
JPH02500859A (ja) 1990-03-22
EP0300647B1 (de) 1993-09-15
DK110889A (da) 1989-03-07
IE60825B1 (en) 1994-08-24
HK134796A (en) 1996-08-02

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time