EP1082753A1 - Lamp for generating high power ultraviolet radiation - Google Patents
Lamp for generating high power ultraviolet radiationInfo
- Publication number
- EP1082753A1 EP1082753A1 EP98924877A EP98924877A EP1082753A1 EP 1082753 A1 EP1082753 A1 EP 1082753A1 EP 98924877 A EP98924877 A EP 98924877A EP 98924877 A EP98924877 A EP 98924877A EP 1082753 A1 EP1082753 A1 EP 1082753A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- housing
- gas enclosure
- liquid
- cooling liquid
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
- H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
- H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Definitions
- Central pipe 12 serves to supply cooling water to volume 14. This cooling water flows out of pipe 12 near remote end 26 of volume 14, flows back along inner quartz cylinder 16 and sleeve 15, and leaves lamp 10 through outlet pipe 50.
- the liquid being treated enters the lamp through housing input pipe 52, flows along and around the outside of outer quartz cylinder 20 as it is irradiated by the ultraviolet radiation generated by the excimer discharge within excimer gas enclosure 18, and exits the lamp through housing outlet pipe 54.
- the lamp appears electrically as a series of five dielectrics between the electrical inputs formed by pipe 12 and housing 28.
- cooling liquid feed path and return path to central pipe 12 are long enough and the impedance of the cooling liquid high enough, such liquid flow paths will merely act as high impedances in parallel with the lamp, and the load they cause on the power supply will be inconsequential.
- typical tap water has a resistivity in the range of 20 to 200 micromho, and therefore has a resistance of 150 kilohm to 1.5 megohm per foot when flowing in a .45 inch diameter plastic hose. It is then only necessary to determine what leakage current would be tolerable for power supply 60 and to make feed hose 62 for pipe 12 and return hose 64 long enough to limit the leakage current to that value.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Physical Water Treatments (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1998/010611 WO1999062104A1 (en) | 1998-05-26 | 1998-05-26 | Lamp for generating high power ultraviolet radiation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1082753A1 true EP1082753A1 (en) | 2001-03-14 |
EP1082753B1 EP1082753B1 (en) | 2005-02-09 |
Family
ID=22267132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98924877A Expired - Lifetime EP1082753B1 (en) | 1998-05-26 | 1998-05-26 | Lamp for generating high power ultraviolet radiation |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1082753B1 (en) |
JP (1) | JP4159745B2 (en) |
AT (1) | ATE289117T1 (en) |
AU (1) | AU767717B2 (en) |
CA (1) | CA2333106C (en) |
DE (1) | DE69829004T2 (en) |
DK (1) | DK1082753T3 (en) |
ES (1) | ES2238761T3 (en) |
WO (1) | WO1999062104A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633109B2 (en) | 2001-01-08 | 2003-10-14 | Ushio America, Inc. | Dielectric barrier discharge-driven (V)UV light source for fluid treatment |
JP2004146077A (en) * | 2002-10-21 | 2004-05-20 | Futaba Technology Corp | Ultraviolet irradiation device |
WO2005104184A1 (en) * | 2004-04-22 | 2005-11-03 | Futaba Technology Corporation | Ultraviolet ray irradiation device |
NL1036561C2 (en) * | 2009-02-11 | 2010-08-12 | Stichting Wetsus Ct Excellence Sustainable Water Technology | METHOD AND DEVICE FOR TREATING AND / OR CHARACTERIZING A FLUID. |
SE536086C2 (en) * | 2010-10-20 | 2013-04-30 | Wallenius Water Ab | Method and apparatus for purifying opaque liquids with light |
JP6432442B2 (en) * | 2015-05-20 | 2018-12-05 | ウシオ電機株式会社 | Fluid processing equipment |
CN108389764A (en) * | 2018-04-21 | 2018-08-10 | 罗璐 | A kind of vacuum ultraviolet light pipe, double wall casing and its application system |
CN108577609A (en) * | 2018-05-24 | 2018-09-28 | 曹会鹃 | A kind of intelligent bathroom cabinet based on disinfection by ultraviolet light, sterilization technology |
CN112169179A (en) * | 2020-10-10 | 2021-01-05 | 罗璐 | Excimer lamp and beauty instrument of cecum work |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4721875A (en) * | 1986-02-10 | 1988-01-26 | Autotrol Corporation | Radiation-emitting devices |
JPH0352688A (en) * | 1989-07-19 | 1991-03-06 | Matsushita Electric Works Ltd | Uv sterilizer |
DE59105798D1 (en) * | 1991-04-15 | 1995-07-27 | Heraeus Noblelight Gmbh | Irradiation facility. |
JPH07169443A (en) * | 1993-12-17 | 1995-07-04 | Ushio Inc | Dielectric barrier electric discharge lamp apparatus |
US5471063A (en) * | 1994-01-13 | 1995-11-28 | Trojan Technologies, Inc. | Fluid disinfection system |
JPH07288112A (en) * | 1994-04-15 | 1995-10-31 | Ushio Inc | Dielectric barrier electric discharge lamp device |
US5554344A (en) * | 1994-05-11 | 1996-09-10 | Duarte; Fernando C. | Gas ionization device |
JPH08248199A (en) * | 1995-03-13 | 1996-09-27 | Shinko Pantec Co Ltd | Ultraviolet irradiation device |
CA2219578C (en) * | 1996-10-31 | 2001-09-11 | Kabushiki Kaisha Toshiba | Non-electrode discharge lamp apparatus and liquid treatment apparatus using such lamp apparatus |
JP3282798B2 (en) * | 1998-05-11 | 2002-05-20 | クォークシステムズ株式会社 | Excimer lamp and excimer light emitting device |
-
1998
- 1998-05-26 EP EP98924877A patent/EP1082753B1/en not_active Expired - Lifetime
- 1998-05-26 AU AU28061/01A patent/AU767717B2/en not_active Ceased
- 1998-05-26 AT AT98924877T patent/ATE289117T1/en not_active IP Right Cessation
- 1998-05-26 DE DE69829004T patent/DE69829004T2/en not_active Expired - Lifetime
- 1998-05-26 WO PCT/US1998/010611 patent/WO1999062104A1/en active IP Right Grant
- 1998-05-26 ES ES98924877T patent/ES2238761T3/en not_active Expired - Lifetime
- 1998-05-26 DK DK98924877T patent/DK1082753T3/en active
- 1998-05-26 JP JP2000551423A patent/JP4159745B2/en not_active Expired - Fee Related
- 1998-05-26 CA CA002333106A patent/CA2333106C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9962104A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU767717B2 (en) | 2003-11-20 |
DK1082753T3 (en) | 2005-06-13 |
AU2806101A (en) | 2001-03-05 |
ES2238761T3 (en) | 2005-09-01 |
DE69829004T2 (en) | 2006-01-12 |
JP2002517072A (en) | 2002-06-11 |
EP1082753B1 (en) | 2005-02-09 |
WO1999062104A8 (en) | 2001-08-16 |
JP4159745B2 (en) | 2008-10-01 |
CA2333106A1 (en) | 1999-12-02 |
WO1999062104A1 (en) | 1999-12-02 |
CA2333106C (en) | 2007-03-13 |
DE69829004D1 (en) | 2005-03-17 |
ATE289117T1 (en) | 2005-02-15 |
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