DK254879A - Varmeisoleret roersystem navnlig underjordisk fjernvarmeroersystem med midler til detektering af indtraengende fugtighed i isolationen - Google Patents

Varmeisoleret roersystem navnlig underjordisk fjernvarmeroersystem med midler til detektering af indtraengende fugtighed i isolationen

Info

Publication number
DK254879A
DK254879A DK254879A DK254879A DK254879A DK 254879 A DK254879 A DK 254879A DK 254879 A DK254879 A DK 254879A DK 254879 A DK254879 A DK 254879A DK 254879 A DK254879 A DK 254879A
Authority
DK
Denmark
Prior art keywords
piping system
insulation
detecting
heat
district heating
Prior art date
Application number
DK254879A
Other languages
English (en)
Inventor
E Lambertsen
Original Assignee
Moeller As I C
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 Moeller As I C filed Critical Moeller As I C
Publication of DK254879A publication Critical patent/DK254879A/da

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
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Fire-Detection Mechanisms (AREA)
DK254879A 1978-06-23 1979-06-19 Varmeisoleret roersystem navnlig underjordisk fjernvarmeroersystem med midler til detektering af indtraengende fugtighed i isolationen DK254879A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7827793A GB2023896A (en) 1978-06-23 1978-06-23 Alarm systems

Publications (1)

Publication Number Publication Date
DK254879A true DK254879A (da) 1979-12-24

Family

ID=10498117

Family Applications (1)

Application Number Title Priority Date Filing Date
DK254879A DK254879A (da) 1978-06-23 1979-06-19 Varmeisoleret roersystem navnlig underjordisk fjernvarmeroersystem med midler til detektering af indtraengende fugtighed i isolationen

Country Status (7)

Country Link
BE (1) BE877134A (da)
DE (1) DE2924424A1 (da)
DK (1) DK254879A (da)
FR (1) FR2432133A1 (da)
GB (1) GB2023896A (da)
NL (1) NL7904843A (da)
SE (1) SE7905447L (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU537701B2 (en) * 1980-05-21 1984-07-05 American District Telegragh Co. Non-home run zoning system
DE3110054A1 (de) * 1981-03-16 1982-10-14 G + H Montage Gmbh, 6700 Ludwigshafen Rohrleitungssystem, insbesondere aus waermegedaemmten fernwaermerohren
IT1159756B (it) * 1982-03-18 1987-03-04 Zanussi Zeltron Inst Sistema di controllo e sicurezza a onde convogliate
SE456376B (sv) * 1983-12-08 1988-09-26 Helmersson Rune Larmanordning vid isolerat rorsystem
AU1466888A (en) * 1987-04-16 1988-10-20 Johnson, C.F. Electronic control unit
AT388430B (de) * 1987-05-06 1989-06-26 Scheuermann Herbert Dipl Ing Vorrichtung zur feststellung und ortung von leckstellen in einer ein feuchtes medium fuehrenden rohrleitung
JPH01148934A (ja) * 1987-12-04 1989-06-12 Junkosha Co Ltd 漏洩検出装置
FR2761154B1 (fr) * 1997-03-18 1999-06-04 Ttk Installation de detection et de localisation de fuites de liquides
GB9901572D0 (en) * 1999-01-26 1999-03-17 Integriti Investments Limited Corrosion detection under lagging

Also Published As

Publication number Publication date
BE877134A (nl) 1979-10-15
SE7905447L (sv) 1979-12-24
DE2924424A1 (de) 1980-01-10
NL7904843A (nl) 1979-12-28
FR2432133A1 (fr) 1980-02-22
GB2023896A (en) 1980-01-03

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