WO1999018417A1 - Portable light source and system for use in leak detection - Google Patents
Portable light source and system for use in leak detection Download PDFInfo
- Publication number
- WO1999018417A1 WO1999018417A1 PCT/US1998/020521 US9820521W WO9918417A1 WO 1999018417 A1 WO1999018417 A1 WO 1999018417A1 US 9820521 W US9820521 W US 9820521W WO 9918417 A1 WO9918417 A1 WO 9918417A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light source
- reflector
- wavelength
- filter
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000000126 substance Substances 0.000 claims description 42
- 230000005284 excitation Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 claims description 3
- XJHABGPPCLHLLV-UHFFFAOYSA-N benzo[de]isoquinoline-1,3-dione Chemical compound C1=CC(C(=O)NC2=O)=C3C2=CC=CC3=C1 XJHABGPPCLHLLV-UHFFFAOYSA-N 0.000 claims description 3
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 claims description 3
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 claims description 3
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 claims description 3
- PQJUJGAVDBINPI-UHFFFAOYSA-N 9H-thioxanthene Chemical compound C1=CC=C2CC3=CC=CC=C3SC2=C1 PQJUJGAVDBINPI-UHFFFAOYSA-N 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000007850 fluorescent dye Substances 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 11
- 239000011521 glass Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002795 fluorescence method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012421 spiking Methods 0.000 description 1
- -1 thioxanthane Chemical compound 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/04—Resilient mountings, e.g. shock absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/15—Thermal insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
- G01J3/4406—Fluorescence spectrometry
-
- 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/228—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for 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
- G01M3/38—Investigating fluid-tightness of structures by using light
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU95936/98A AU743451B2 (en) | 1997-10-03 | 1998-10-01 | Portable light source and system for use in leak detection |
CA002305501A CA2305501C (en) | 1997-10-03 | 1998-10-01 | Portable light source and system for use in leak detection |
DE1062486T DE1062486T1 (en) | 1997-10-03 | 1998-10-01 | PORTABLE LIGHTING SOURCE AND LEAK DETECTION SYSTEM |
EP98949658A EP1062486A4 (en) | 1997-10-03 | 1998-10-01 | Portable light source and system for use in leak detection |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/943,903 | 1997-10-03 | ||
US08/943,903 US5959306A (en) | 1996-02-08 | 1997-10-03 | Portable light source and system for use in leak detection |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999018417A1 true WO1999018417A1 (en) | 1999-04-15 |
Family
ID=25480455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/020521 WO1999018417A1 (en) | 1997-10-03 | 1998-10-01 | Portable light source and system for use in leak detection |
Country Status (7)
Country | Link |
---|---|
US (3) | US5959306A (en) |
EP (2) | EP1062486A4 (en) |
AU (1) | AU743451B2 (en) |
CA (2) | CA2305501C (en) |
DE (1) | DE1062486T1 (en) |
TW (1) | TW405035B (en) |
WO (1) | WO1999018417A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002068926A2 (en) * | 2001-01-12 | 2002-09-06 | Certusdur Gmbh | Leakage search using a colorant |
WO2003073080A1 (en) * | 2002-02-25 | 2003-09-04 | Emerge Interactive, Inc. | Apparatus and method for detecting fecal and ingesta contamination using a hand held illumination and imaging device |
EP1467311A1 (en) * | 2003-04-09 | 2004-10-13 | The Boeing Company | System and method for tagging tools and objects used in the workplace for quick visual identification |
Families Citing this family (40)
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US6633110B2 (en) * | 1994-03-22 | 2003-10-14 | Tailored Lighting Inc. | Underwater lamp |
US7157724B2 (en) * | 1996-02-08 | 2007-01-02 | Bright Solutions, Inc. | Detection lamp |
US5959306A (en) * | 1996-02-08 | 1999-09-28 | Bright Solutions, Inc. | Portable light source and system for use in leak detection |
US6590220B1 (en) * | 1996-02-08 | 2003-07-08 | Bright Solutions, Inc. | Leak detection lamp |
US7253557B2 (en) * | 1996-02-08 | 2007-08-07 | Bright Solutions, Inc. | Light source provided with a housing enclosing voltage regulator means and method of manufacturing thereof |
US6362488B1 (en) * | 1997-11-05 | 2002-03-26 | Corrosion Consultants, Inc. | Light source and method for carrying out leak detection inspections |
AU2001249162A1 (en) * | 2000-03-13 | 2001-09-24 | Corrosion Consultants, Inc. | Combination uv inspection light and flashlight |
US6630682B2 (en) * | 2000-03-13 | 2003-10-07 | Victor J. Shanley | Combination UV inspection light and flashlight |
US6501075B1 (en) | 2000-04-11 | 2002-12-31 | Uview Ultraviolet Systems, Inc. | Filter for an ultraviolet lamp used for fluorescence detection |
US6469300B1 (en) | 2000-09-05 | 2002-10-22 | Uview Ultraviolet Systems, Inc. | Apparatus and method for injecting a concentrated fluorescent dye into a sealed air-conditioning system |
US6710363B1 (en) * | 2000-11-27 | 2004-03-23 | Uview Ultraviolet Systems, Inc. | Detection lamp equipped with light-emitting diode |
US6491408B1 (en) * | 2001-07-05 | 2002-12-10 | Spectronics Corporation | Pen-size LED inspection lamp for detection of fluorescent material |
US6647761B2 (en) * | 2001-07-12 | 2003-11-18 | Mastercool, Inc. | Hand held flexible mount leak detector |
US6722772B2 (en) * | 2001-08-16 | 2004-04-20 | Mag Instrument, Inc. | Flashlight and combination for use in aligning flashlight lamp bulbs |
US7064309B2 (en) | 2001-09-17 | 2006-06-20 | The Boeing Company | Method for detecting foreign object debris |
US20030098425A1 (en) * | 2001-11-29 | 2003-05-29 | Peter Sosinsky | Leak locating device using an ultraviolet LED |
US20040168505A1 (en) * | 2003-02-27 | 2004-09-02 | Dudley Newton Howard | Air conditioning system UV leak detection kit |
US20040174703A1 (en) * | 2003-03-04 | 2004-09-09 | Lisle Corporation | Flexible flashlight with LED light source |
US6912150B2 (en) * | 2003-05-13 | 2005-06-28 | Lionel Portman | Reference current generator, and method of programming, adjusting and/or operating same |
US7357526B2 (en) * | 2003-08-22 | 2008-04-15 | Milwaukee Electric Tool Corporation | Power tool and accessory |
US20050076706A1 (en) * | 2003-10-08 | 2005-04-14 | The Boeing Company | Apparatus and method for use in detecting a seal and paint failure |
US6948827B2 (en) * | 2003-11-14 | 2005-09-27 | Lisle Corporation | LED flashlight construction |
US7264372B2 (en) * | 2004-03-16 | 2007-09-04 | Mag Instrument, Inc. | Apparatus and method for aligning a substantial point source of light with a reflector feature |
US20060032294A1 (en) * | 2004-08-13 | 2006-02-16 | John Duerr | Leak detection system for use in braking systems |
US7335901B2 (en) * | 2004-12-23 | 2008-02-26 | Exfo Photonic Solutions Inc. | Method of calibrating light delivery systems, light delivery systems and radiometer for use therewith |
US7835057B2 (en) * | 2004-12-23 | 2010-11-16 | Exfo Photonic Solutions Inc. | Method of calibrating light delivery systems, light delivery systems and radiometer for use therewith |
US20070185379A1 (en) * | 2005-01-10 | 2007-08-09 | Perceptron, Inc. | Modular remote inspection device with digital imager |
US7323702B2 (en) * | 2005-01-26 | 2008-01-29 | Donald Ellis Newsome | Ultraviolet light with polymer conversion sheets |
WO2007051276A1 (en) * | 2005-11-03 | 2007-05-10 | Uv Light Sciences Group, Inc. | Uv sterilizing wand |
WO2007065274A1 (en) * | 2005-12-09 | 2007-06-14 | Pat Technology Systems Inc. | Apparatus applying liquid to a substrate |
US20070181822A1 (en) * | 2006-02-06 | 2007-08-09 | Charles Harris Mazel | Method and apparatus for fluorescent magnetic particle and fluorescent liquid penetrant testing |
DE102006056236B4 (en) * | 2006-11-27 | 2009-04-09 | Haschert, René | Housing for lighting fixtures and luminaires, including this housing, and their use as a street lamp and floodlight device |
US20080218998A1 (en) * | 2007-03-08 | 2008-09-11 | Quest William J | Device having multiple light sources and methods of use |
WO2010005963A1 (en) * | 2008-07-08 | 2010-01-14 | Bright Solutions International Llc | Testing lamp |
US20100058837A1 (en) * | 2008-09-05 | 2010-03-11 | Quest William J | Device having multiple light sources and methods of use |
US7964858B2 (en) | 2008-10-21 | 2011-06-21 | Applied Materials, Inc. | Ultraviolet reflector with coolant gas holes and method |
US8366290B2 (en) * | 2009-01-14 | 2013-02-05 | Mag Instrument, Inc. | Portable lighting device |
CA2995721C (en) * | 2015-08-14 | 2020-03-31 | Chemtreat, Inc. | Fluid system evaluation with multiple chemical tracers |
WO2018045107A1 (en) * | 2016-08-31 | 2018-03-08 | Flir Systems Ab | Method of indicating gas movement in a scene |
US10571356B2 (en) * | 2016-11-18 | 2020-02-25 | Ut-Battelle, Llc | Fluorescent air leakage detection system for enclosures |
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Also Published As
Publication number | Publication date |
---|---|
CA2305501A1 (en) | 1999-04-15 |
EP2177888A2 (en) | 2010-04-21 |
CA2636597C (en) | 2010-06-22 |
EP1062486A1 (en) | 2000-12-27 |
AU743451B2 (en) | 2002-01-24 |
DE1062486T1 (en) | 2001-07-19 |
AU9593698A (en) | 1999-04-27 |
US6355935B1 (en) | 2002-03-12 |
TW405035B (en) | 2000-09-11 |
US5959306A (en) | 1999-09-28 |
CA2636597A1 (en) | 1999-04-15 |
EP1062486A4 (en) | 2000-12-27 |
US20020096643A1 (en) | 2002-07-25 |
CA2305501C (en) | 2008-12-16 |
EP2177888A3 (en) | 2010-05-26 |
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