NO911271L - Roerinspeksjonssystem. - Google Patents

Roerinspeksjonssystem.

Info

Publication number
NO911271L
NO911271L NO91911271A NO911271A NO911271L NO 911271 L NO911271 L NO 911271L NO 91911271 A NO91911271 A NO 91911271A NO 911271 A NO911271 A NO 911271A NO 911271 L NO911271 L NO 911271L
Authority
NO
Norway
Prior art keywords
roer
inspection system
insertion chamber
drive anchor
housing
Prior art date
Application number
NO91911271A
Other languages
English (en)
Other versions
NO911271D0 (no
Inventor
Robert Charles Lewis Day
Original Assignee
Northern Telecom Europ 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 Northern Telecom Europ Ltd filed Critical Northern Telecom Europ Ltd
Publication of NO911271D0 publication Critical patent/NO911271D0/no
Publication of NO911271L publication Critical patent/NO911271L/no

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
    • G01M3/005—Investigating fluid-tightness of structures using pigs or moles
    • 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
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02872—Pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Abstract

En fremgangsmåte for inspeksjon av en vannledning mens ledningen er full av vann omfatter å tilveiebringe et væsketett hus (1) som inneholder et videokamera.(32) og lys (31), koblet til en kabel (2) som inneholder både optiske og elektriske ledere. Et drivanker (3) er festet til huset (1), og kamerakapselen og drivankeret innføres gjennom sideveggen av rørledningen via et innføringskammer (7).amerakapselen og kabelen har nøytral oppdrift og kan innføres i rørledningen i en lengde på flere kilometer for inspeksjon av rørledning-en, og deretter hentes ut igjen gjennom innføringskam-meret (7). Fordelen med dette system i forhold til konvensjonelle systemer er at mye større rørlednings-lengder kan inspiseres fra et enkelt sted.
NO91911271A 1990-03-31 1991-03-27 Roerinspeksjonssystem. NO911271L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9007301A GB2242497B (en) 1990-03-31 1990-03-31 Pipe inspection system

Publications (2)

Publication Number Publication Date
NO911271D0 NO911271D0 (no) 1991-03-27
NO911271L true NO911271L (no) 1991-10-01

Family

ID=10673657

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91911271A NO911271L (no) 1990-03-31 1991-03-27 Roerinspeksjonssystem.

Country Status (10)

Country Link
US (1) US5084764A (no)
EP (1) EP0450814B1 (no)
JP (1) JP3165920B2 (no)
AU (1) AU632208B2 (no)
CA (1) CA2039279C (no)
DE (1) DE69102924T2 (no)
FI (1) FI911384A (no)
GB (1) GB2242497B (no)
NO (1) NO911271L (no)
PT (1) PT97181A (no)

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Also Published As

Publication number Publication date
AU7386491A (en) 1992-04-09
CA2039279A1 (en) 1991-10-01
JPH04230836A (ja) 1992-08-19
EP0450814A1 (en) 1991-10-09
CA2039279C (en) 2002-06-04
FI911384A0 (fi) 1991-03-21
PT97181A (pt) 1993-05-31
GB2242497B (en) 1992-08-12
DE69102924T2 (de) 1994-11-03
US5084764A (en) 1992-01-28
DE69102924D1 (de) 1994-08-25
JP3165920B2 (ja) 2001-05-14
NO911271D0 (no) 1991-03-27
AU632208B2 (en) 1992-12-17
GB2242497A (en) 1991-10-02
GB9007301D0 (en) 1990-05-30
FI911384A (fi) 1991-10-01
EP0450814B1 (en) 1994-07-20

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