ZA200301170B - Ruggedized photomultiplier tube and optical coupling in armored detector. - Google Patents
Ruggedized photomultiplier tube and optical coupling in armored detector. Download PDFInfo
- Publication number
- ZA200301170B ZA200301170B ZA200301170A ZA200301170A ZA200301170B ZA 200301170 B ZA200301170 B ZA 200301170B ZA 200301170 A ZA200301170 A ZA 200301170A ZA 200301170 A ZA200301170 A ZA 200301170A ZA 200301170 B ZA200301170 B ZA 200301170B
- Authority
- ZA
- South Africa
- Prior art keywords
- optical coupler
- photomultiplier tube
- photomultiplier
- fixture
- detector
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 76
- 230000008878 coupling Effects 0.000 title description 11
- 238000010168 coupling process Methods 0.000 title description 11
- 238000005859 coupling reaction Methods 0.000 title description 11
- 239000000463 material Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 27
- 238000000465 moulding Methods 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims 2
- 239000003245 coal Substances 0.000 description 69
- 238000005065 mining Methods 0.000 description 63
- 230000005855 radiation Effects 0.000 description 62
- 239000011435 rock Substances 0.000 description 37
- 239000007921 spray Substances 0.000 description 23
- 239000013078 crystal Substances 0.000 description 16
- 239000012530 fluid Substances 0.000 description 15
- 230000033001 locomotion Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 9
- 230000035939 shock Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 239000012780 transparent material Substances 0.000 description 6
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000036961 partial effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000009518 sodium iodide Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Measurement Of Radiation (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/626,744 US6465788B1 (en) | 1999-12-23 | 2000-07-26 | Ruggedized photomultiplier tube and optical coupling in armored detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200301170B true ZA200301170B (en) | 2004-05-12 |
Family
ID=24511658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200301170A ZA200301170B (en) | 2000-07-26 | 2003-02-12 | Ruggedized photomultiplier tube and optical coupling in armored detector. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6465788B1 (fr) |
| EP (1) | EP1307897B1 (fr) |
| AU (2) | AU7356501A (fr) |
| CA (1) | CA2418341C (fr) |
| WO (1) | WO2002009143A2 (fr) |
| ZA (1) | ZA200301170B (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6781130B2 (en) * | 1999-12-23 | 2004-08-24 | Geosteering Mining Services, Llc | Geosteering of solid mineral mining machines |
| US20030122082A1 (en) * | 2001-03-20 | 2003-07-03 | Frederick Larry D. | Flexible support mechanism |
| US6657199B2 (en) | 2001-06-06 | 2003-12-02 | General Electric Company | Flexible dynamic housing |
| US7034305B2 (en) * | 2002-03-22 | 2006-04-25 | General Electric Company | Instrumentation package and integrated radiation detector |
| US7154098B2 (en) * | 2004-02-19 | 2006-12-26 | General Electric Company | Ruggedized scintillation detector for portal monitors and light pipe incorporated therein |
| US7170061B2 (en) * | 2004-04-08 | 2007-01-30 | General Electric Company | Ruggedized scintillation detector with low energy detection capabilities |
| US7381957B2 (en) | 2004-08-05 | 2008-06-03 | Frederick Mining Controls | Compound optical coupler and support mechanism |
| US7485851B2 (en) * | 2004-08-05 | 2009-02-03 | Titan Specialties, Ltd. | Compound optical coupler and support mechanism |
| US7420471B2 (en) * | 2004-09-24 | 2008-09-02 | Geosteering Mining Services Llc | Safety system for mining equipment |
| WO2011159911A2 (fr) | 2010-06-18 | 2011-12-22 | Saint-Gobain Ceramics & Plastics, Inc. | Système de détection de rayonnement comprenant un matériau scintillant et une fibre optique, et procédé d'utilisation |
| WO2012024359A2 (fr) | 2010-08-17 | 2012-02-23 | Saint-Gobain Ceramics & Plastics, Inc. | Outil renforcé et dispositif détecteur |
| GB201216850D0 (en) * | 2012-09-21 | 2012-11-07 | Johnson Matthey Plc | Photomultiplier apparatus and radiation detector incorporating such apparatus |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2752591A (en) | 1952-09-19 | 1956-06-26 | Union Carbide & Carbon Corp | Earth strata cutting indicators for remotely controlled bore mining machines |
| US3019338A (en) | 1957-08-28 | 1962-01-30 | Well Surveys Inc | Thickness detector for coal mining machine |
| US3015477A (en) | 1958-08-20 | 1962-01-02 | Gen Dynamics Corp | Coal-rock sensing device |
| GB1219159A (en) | 1968-08-06 | 1971-01-13 | Coal Industry Patents Ltd | Rotary cutters for mineral mining machines |
| US3930160A (en) | 1974-02-11 | 1975-12-30 | Kewanee Oil Co | Grooved windows for scintillation crystals and light pipes of high refractive index |
| GB1526028A (en) | 1976-04-30 | 1978-09-27 | Coal Ind | Method of and apparatus for steering a cutting means of a mineral mining machine |
| GB1547341A (en) * | 1976-06-28 | 1979-06-13 | Bicron Corp | Shock-resistant gamma ray detector tube |
| US4262964A (en) | 1977-02-14 | 1981-04-21 | Kerr-Mcgee Corporation | System for detecting interfaces between mineral seams and the surrounding earth formations |
| US4157204A (en) | 1978-07-27 | 1979-06-05 | The United States Of America As Represented By The Secretary Of The Interior | Face ventilation system for coal mines |
| US4200335A (en) | 1978-08-18 | 1980-04-29 | Peabody Coal Company | Gauging apparatus and method, particularly for controlling mining by a mining machine |
| GB2087948B (en) | 1980-01-11 | 1983-07-13 | Coal Industry Patents Ltd | Holder assemblies for sensitised cutter tools on mining machines |
| US4632462A (en) | 1984-07-26 | 1986-12-30 | Atlantic Richfield Company | Continuous miner-mounted mine ventilation system |
| US4753484A (en) | 1986-10-24 | 1988-06-28 | Stolar, Inc. | Method for remote control of a coal shearer |
| US4904865A (en) * | 1988-04-01 | 1990-02-27 | Exploration Logging, Inc. | Externally mounted radioactivity detector for MWD |
| US4994673A (en) * | 1989-06-06 | 1991-02-19 | Solon Technologies, Inc. | Ruggedized scintillation detector |
| US4981327A (en) | 1989-06-09 | 1991-01-01 | Consolidation Coal Company | Method and apparatus for sensing coal-rock interface |
| US4968098A (en) | 1989-09-11 | 1990-11-06 | Atlantic Richfield Company | Coal seam discontinuity sensor and method for coal mining apparatus |
| US5070249A (en) | 1989-12-12 | 1991-12-03 | Bicron Corporation | Photomultiplier tube mounting for well logging detectors |
| US5092657A (en) | 1990-04-10 | 1992-03-03 | Bryan Jr John F | Stratum boundary sensor for continuous excavators |
| US5334838A (en) | 1992-12-11 | 1994-08-02 | American Mining Electronics, Inc. | Radiation sensor |
| US5357413A (en) | 1993-05-07 | 1994-10-18 | Mandall Michael C | Armored lighting fixture |
| US5407253A (en) | 1994-07-06 | 1995-04-18 | The United States Of America As Represented By The Secretary Of The Interior | Water spray ventilator system for continuous mining machines |
| DE4434373C2 (de) | 1994-09-15 | 1999-04-01 | Mannesmann Ag | Elektrozug mit drehzahlgeregelter Geschwindigkeit |
| US5796109A (en) * | 1996-05-03 | 1998-08-18 | Frederick Energy Products | Unitized radiation detector assembly |
| US5742057A (en) | 1996-05-03 | 1998-04-21 | Frederick Energy Products | Unitized scintillation detector assembly with axial and radial suspension systems |
| US5769503A (en) | 1996-07-23 | 1998-06-23 | Stolar, Inc. | Method and apparatus for a rotating cutting drum or arm mounted with paired opposite circular polarity antennas and resonant microstrip patch transceiver for measuring coal, trona and potash layers forward, side and around a continuous mining machine |
| US6355932B1 (en) | 1998-02-25 | 2002-03-12 | General Electric Company | Maximum volume ruggedized nuclear detector |
| US6435619B1 (en) * | 1999-12-23 | 2002-08-20 | Geosteering Mining Services, Llc | Method for sensing coal-rock interface |
-
2000
- 2000-07-26 US US09/626,744 patent/US6465788B1/en not_active Expired - Lifetime
-
2001
- 2001-07-18 EP EP01952850.4A patent/EP1307897B1/fr not_active Expired - Lifetime
- 2001-07-18 AU AU7356501A patent/AU7356501A/xx active Pending
- 2001-07-18 WO PCT/US2001/022730 patent/WO2002009143A2/fr not_active Ceased
- 2001-07-18 AU AU2001273565A patent/AU2001273565B2/en not_active Expired
- 2001-07-18 CA CA002418341A patent/CA2418341C/fr not_active Expired - Lifetime
-
2003
- 2003-02-12 ZA ZA200301170A patent/ZA200301170B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2001273565B2 (en) | 2006-05-18 |
| WO2002009143A3 (fr) | 2002-06-06 |
| EP1307897B1 (fr) | 2016-02-03 |
| WO2002009143A2 (fr) | 2002-01-31 |
| AU7356501A (en) | 2002-02-05 |
| EP1307897A2 (fr) | 2003-05-07 |
| CA2418341A1 (fr) | 2002-01-31 |
| CA2418341C (fr) | 2006-11-07 |
| US6465788B1 (en) | 2002-10-15 |
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