SE9604514L - Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen - Google Patents

Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen

Info

Publication number
SE9604514L
SE9604514L SE9604514A SE9604514A SE9604514L SE 9604514 L SE9604514 L SE 9604514L SE 9604514 A SE9604514 A SE 9604514A SE 9604514 A SE9604514 A SE 9604514A SE 9604514 L SE9604514 L SE 9604514L
Authority
SE
Sweden
Prior art keywords
light
light guiding
monitoring
guiding cable
cable
Prior art date
Application number
SE9604514A
Other languages
English (en)
Swedish (sv)
Other versions
SE9604514D0 (sv
Inventor
Goesta Lange
Original Assignee
Ultrac Ingf Ab
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 Ultrac Ingf Ab filed Critical Ultrac Ingf Ab
Priority to SE9604514A priority Critical patent/SE9604514L/
Publication of SE9604514D0 publication Critical patent/SE9604514D0/xx
Priority to EP97121050A priority patent/EP0846942A3/en
Publication of SE9604514L publication Critical patent/SE9604514L/

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
    • G01M3/32—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 containers, e.g. radiators
    • G01M3/3236—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 containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3245—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 containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Volume Flow (AREA)
SE9604514A 1996-12-06 1996-12-06 Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen SE9604514L (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9604514A SE9604514L (sv) 1996-12-06 1996-12-06 Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen
EP97121050A EP0846942A3 (en) 1996-12-06 1997-12-01 Detection device for monitoring spaces in culverts and method for carrying through said monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9604514A SE9604514L (sv) 1996-12-06 1996-12-06 Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen

Publications (2)

Publication Number Publication Date
SE9604514D0 SE9604514D0 (sv) 1996-12-06
SE9604514L true SE9604514L (sv) 1998-06-07

Family

ID=20404898

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9604514A SE9604514L (sv) 1996-12-06 1996-12-06 Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen

Country Status (2)

Country Link
EP (1) EP0846942A3 ( )
SE (1) SE9604514L ( )

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7259384B2 (en) * 2005-04-25 2007-08-21 The Boeing Company Fluid level optical detector with float having opaque and transmissive portions

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854792A (en) * 1973-03-22 1974-12-17 Atomic Energy Commission Fiber optic security seal
GB2002905A (en) * 1977-07-27 1979-02-28 Northern Eng Ind Liquid level indicator apparatus
FR2538545A1 (fr) * 1982-12-27 1984-06-29 Air Liquide Dispositif de mesure du niveau d'un liquide dans un reservoir
JPS6219718A (ja) * 1985-07-18 1987-01-28 Matsushita Electric Ind Co Ltd 水位検出装置
JPS6326550A (ja) * 1986-07-18 1988-02-04 Shikoku Keisoku Kogyo Kk 液体状態変化の検出方法
US4935621A (en) * 1987-10-30 1990-06-19 Pikulski Joseph L Optical switch with collimating lenses, antifreeze and/or index matching fluid for control of electrical equipment
JPH01203932A (ja) * 1988-02-10 1989-08-16 Fujikura Ltd 液体検知センサ

Also Published As

Publication number Publication date
EP0846942A3 (en) 1999-04-28
EP0846942A2 (en) 1998-06-10
SE9604514D0 (sv) 1996-12-06

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