GB1455415A - Insulated pipe system having means for detection of moisture in the insulation thereof - Google Patents

Insulated pipe system having means for detection of moisture in the insulation thereof

Info

Publication number
GB1455415A
GB1455415A GB1431673A GB1431673A GB1455415A GB 1455415 A GB1455415 A GB 1455415A GB 1431673 A GB1431673 A GB 1431673A GB 1431673 A GB1431673 A GB 1431673A GB 1455415 A GB1455415 A GB 1455415A
Authority
GB
United Kingdom
Prior art keywords
moisture
insulation
pipe
march
detection
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB1431673A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RASMUSSEN AS E
Original Assignee
RASMUSSEN AS E
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 RASMUSSEN AS E filed Critical RASMUSSEN AS E
Priority to GB1431673A priority Critical patent/GB1455415A/en
Priority to DE2413345A priority patent/DE2413345C2/de
Priority to CH400174A priority patent/CH568524A5/xx
Priority to SE7403936A priority patent/SE405286B/xx
Priority to IT42537/74A priority patent/IT1010823B/it
Priority to DK161074A priority patent/DK155293C/da
Priority to JP49033373A priority patent/JPS51135588A/ja
Priority to FR7410063A priority patent/FR2223625B1/fr
Priority to NL7404112A priority patent/NL7404112A/xx
Priority to CA196,002A priority patent/CA1001716A/en
Priority to FI910/74A priority patent/FI60078C/fi
Priority to BE2053504A priority patent/BE812812A/xx
Priority to US454952A priority patent/US3927351A/en
Publication of GB1455415A publication Critical patent/GB1455415A/en
Expired legal-status Critical Current

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
    • G01M3/16—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB1431673A 1973-03-26 1973-03-26 Insulated pipe system having means for detection of moisture in the insulation thereof Expired GB1455415A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GB1431673A GB1455415A (en) 1973-03-26 1973-03-26 Insulated pipe system having means for detection of moisture in the insulation thereof
DE2413345A DE2413345C2 (de) 1973-03-26 1974-03-20 Isoliertes Rohrleitungssystem, insbesondere ein unterirdisches Rohrleitungssystem für Fernheizung
CH400174A CH568524A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-26 1974-03-22
SE7403936A SE405286B (sv) 1973-03-26 1974-03-22 Isolerat rorsystem med organ for detektering av fuktintrengning
IT42537/74A IT1010823B (it) 1973-03-26 1974-03-22 Sistema di tubi isolati presen tante mezzi per la rivelazione della presenza di umidita nel materiale isolante degli stessi
DK161074A DK155293C (da) 1973-03-26 1974-03-25 Isoleret roersystem med midler til detektering af fugtindtraengning i isolationen
JP49033373A JPS51135588A (en) 1973-03-26 1974-03-25 Insulated pipe system
FR7410063A FR2223625B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-26 1974-03-25
NL7404112A NL7404112A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-26 1974-03-26
CA196,002A CA1001716A (en) 1973-03-26 1974-03-26 Insulated pipe system having means for detection of moisture in the insulation thereof
FI910/74A FI60078C (fi) 1973-03-26 1974-03-26 Isolerat roersystem med medel foer att detektera intraengning av fukt i isoleringen
BE2053504A BE812812A (fr) 1973-03-26 1974-03-26 Systeme de tuyaux isoles utilisable notamment dans les installations de chauffage urbain
US454952A US3927351A (en) 1973-03-26 1974-03-26 Insulated pipe systems with moisture detecting means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1431673A GB1455415A (en) 1973-03-26 1973-03-26 Insulated pipe system having means for detection of moisture in the insulation thereof

Publications (1)

Publication Number Publication Date
GB1455415A true GB1455415A (en) 1976-11-10

Family

ID=10038994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1431673A Expired GB1455415A (en) 1973-03-26 1973-03-26 Insulated pipe system having means for detection of moisture in the insulation thereof

Country Status (13)

Country Link
US (1) US3927351A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS51135588A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE812812A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1001716A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH568524A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2413345C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK155293C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI60078C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2223625B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1455415A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1010823B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7404112A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE405286B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288654A (en) * 1979-09-05 1981-09-08 Blom H District-heating line
US4288653A (en) * 1979-06-18 1981-09-08 Blom H District-heating line and a method of manufacturing the same
GB2132773A (en) * 1982-12-23 1984-07-11 Bicc Plc Monitoring electrically presence of liquid in the thermal insulation of a pipe system
EP0207253A1 (de) * 1985-05-09 1987-01-07 Meier-Schenk AG (Meier-Schenk SA) Sensor zum Feststellen von Nassstellen in der thermischen Isolierung von Rohrleitungen
US4746911A (en) * 1983-12-08 1988-05-24 Rune Helmersson Alarm device for isolated pipe systems
US4903758A (en) * 1987-08-07 1990-02-27 Baker Perkins Plc Plate heat transfer apparatus with leakage detector
WO1993017275A1 (de) * 1991-02-12 1993-09-02 Bernd Brandes Leitungsrohr zum transport eines mediums
US5279148A (en) * 1990-05-10 1994-01-18 Bernd Brandes Method and apparatus for detecting and locating leaks and loose couplings in conduits for liquids
DE19632991C1 (de) * 1996-08-15 1998-01-08 Bernd Brandes Rohrleitungssystem, insbesondere für die Übertragung von Fernwärme
US6008657A (en) * 1994-12-16 1999-12-28 Tokyo Gas Co., Ltd. Method for inspecting the elements of piping systems by electromagnetic waves

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522162A (en) * 1978-08-07 1980-02-16 Hitachi Ltd Sodium leak detecting method and device
DE3110054A1 (de) * 1981-03-16 1982-10-14 G + H Montage Gmbh, 6700 Ludwigshafen Rohrleitungssystem, insbesondere aus waermegedaemmten fernwaermerohren
DE3628336A1 (de) * 1986-08-21 1988-02-25 Roero Ges Fuer Isolier Und Fer Rohrleitungssystem und waermeisolierte rohre, z.b. fuer fernheizleitungen
JPH01117759U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1988-01-28 1989-08-09
GB8809070D0 (en) * 1988-04-18 1988-05-18 Redding R J Communications network to resist e m p
JPH0314457U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-06-23 1991-02-14
DE19544391A1 (de) * 1995-11-15 1997-05-22 Siemens Ag Meßschaltung zum Erfassen und Orten von Wassereinbrüchen an Rohr- oder Kabelanlagen
GB2324585A (en) * 1997-04-23 1998-10-28 David Leslie Young Heated hoses
EP1342998A3 (de) * 2002-03-08 2006-01-18 UST Umweltsensortechnik GmbH Verfahren und Anordnung zur Erkennung von Leckagen an einem gasgefüllten System
DE10315925B4 (de) * 2003-04-08 2012-01-05 Ust Umweltsensortechnik Gmbh Verfahren und Anordnung zur Erkennung von Leckagen an einem gasgefüllten System
DE102008025226A1 (de) * 2008-05-27 2009-12-03 Linde Ag Leitung zur Führung eines Mediums
DE102013020645A1 (de) * 2013-12-16 2015-06-18 Karin Niss Verfahren zum Bestimmen der Feuchte in der Dämmung einer Fernwärmeleitung
US10481099B2 (en) * 2015-07-02 2019-11-19 Exxonmobil Upstream Research Company Detecting moisture proximate to insulation
US10222290B2 (en) * 2015-08-11 2019-03-05 Exxonmobil Upstream Research Detecting moisture proximate to insulation
US10236683B2 (en) * 2016-06-10 2019-03-19 Apple Inc. Corrosion mitigation for an external connector of an electronic device
US10591430B2 (en) 2017-09-08 2020-03-17 Apple Inc. Method and system for detecting moisture on a connector contact
DE102018123783A1 (de) 2018-09-26 2020-03-26 Kaefer Isoliertechnik Gmbh & Co. Kg Verfahren, Sensor und Messanordnung zur Detektion von Feuchtigkeit in einer Wärmedämmung
DE102018123784A1 (de) * 2018-09-26 2020-03-26 Kaefer Isoliertechnik Gmbh & Co. Kg Sensor und Messanordnung zur Detektion eines Fluids an einem mit einer Dämmung versehenen Bauteil
DE102018123787A1 (de) * 2018-09-26 2020-03-26 Kaefer Isoliertechnik Gmbh & Co. Kg Messanordnung und Verfahren zur Detektion von Fehlstellen in oder unterhalb einer Dämmung einer betriebstechnischen Anlage
US11658443B2 (en) 2021-04-13 2023-05-23 Apple Inc. Liquid detection and corrosion mitigation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759149A (en) * 1951-07-24 1956-08-14 Hart John Alfred Henry Moisture measuring apparatus
GB776415A (en) * 1955-07-14 1957-06-05 Shell Res Ltd Improvements in or relating to chemical plant including a continuously operating liquid circulation system
GB1311472A (en) * 1969-03-18 1973-03-28 Rasmussen As E Pipe system of heat insulated pipes including means for detecting the presence of moisture
US3678376A (en) * 1970-12-14 1972-07-18 Gte Automatic Electric Lab Inc Arrangement for testing breakdown of the insulation of a conductor utilizing an alternating current circuit to eliminate stray capacitance effects
US3710244A (en) * 1971-01-11 1973-01-09 G Rauchwerger Capacitance probe for detecting moisture with very long cables

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288653A (en) * 1979-06-18 1981-09-08 Blom H District-heating line and a method of manufacturing the same
US4288654A (en) * 1979-09-05 1981-09-08 Blom H District-heating line
GB2132773A (en) * 1982-12-23 1984-07-11 Bicc Plc Monitoring electrically presence of liquid in the thermal insulation of a pipe system
US4746911A (en) * 1983-12-08 1988-05-24 Rune Helmersson Alarm device for isolated pipe systems
EP0207253A1 (de) * 1985-05-09 1987-01-07 Meier-Schenk AG (Meier-Schenk SA) Sensor zum Feststellen von Nassstellen in der thermischen Isolierung von Rohrleitungen
US4903758A (en) * 1987-08-07 1990-02-27 Baker Perkins Plc Plate heat transfer apparatus with leakage detector
US5279148A (en) * 1990-05-10 1994-01-18 Bernd Brandes Method and apparatus for detecting and locating leaks and loose couplings in conduits for liquids
WO1993017275A1 (de) * 1991-02-12 1993-09-02 Bernd Brandes Leitungsrohr zum transport eines mediums
US6008657A (en) * 1994-12-16 1999-12-28 Tokyo Gas Co., Ltd. Method for inspecting the elements of piping systems by electromagnetic waves
DE19632991C1 (de) * 1996-08-15 1998-01-08 Bernd Brandes Rohrleitungssystem, insbesondere für die Übertragung von Fernwärme

Also Published As

Publication number Publication date
FR2223625A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-10-25
FI60078B (fi) 1981-07-31
JPS51135588A (en) 1976-11-24
NL7404112A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-30
DE2413345A1 (de) 1974-10-17
BE812812A (fr) 1974-07-15
IT1010823B (it) 1977-01-20
FI60078C (fi) 1981-11-10
US3927351A (en) 1975-12-16
CA1001716A (en) 1976-12-14
DE2413345C2 (de) 1985-07-18
FR2223625B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-03-24
CH568524A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-10-31
DK155293B (da) 1989-03-20
DK155293C (da) 1989-07-31
SE405286B (sv) 1978-11-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee