CA1203559A - High pressure sodium lamp having improved efficacy - Google Patents
High pressure sodium lamp having improved efficacyInfo
- Publication number
- CA1203559A CA1203559A CA000377021A CA377021A CA1203559A CA 1203559 A CA1203559 A CA 1203559A CA 000377021 A CA000377021 A CA 000377021A CA 377021 A CA377021 A CA 377021A CA 1203559 A CA1203559 A CA 1203559A
- Authority
- CA
- Canada
- Prior art keywords
- arc tube
- arc
- lamp
- wall
- sodium
- 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.)
- Expired
Links
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 61
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 60
- 239000011734 sodium Substances 0.000 title claims abstract description 60
- 238000010891 electric arc Methods 0.000 claims abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- 238000013461 design Methods 0.000 claims description 16
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 14
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052753 mercury Inorganic materials 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000011068 loading method Methods 0.000 abstract description 30
- 230000001965 increasing effect Effects 0.000 abstract description 29
- 239000000463 material Substances 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 19
- 230000007423 decrease Effects 0.000 description 16
- 230000003247 decreasing effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- MJGFBOZCAJSGQW-UHFFFAOYSA-N mercury sodium Chemical compound [Na].[Hg] MJGFBOZCAJSGQW-UHFFFAOYSA-N 0.000 description 2
- 125000004436 sodium atom Chemical group 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 241000962283 Turdus iliacus Species 0.000 description 1
- VREFGVBLTWBCJP-UHFFFAOYSA-N alprazolam Chemical compound C12=CC(Cl)=CC=C2N2C(C)=NN=C2CN=C1C1=CC=CC=C1 VREFGVBLTWBCJP-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/825—High-pressure sodium lamps
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15699680A | 1980-06-06 | 1980-06-06 | |
| US156,996 | 1980-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1203559A true CA1203559A (en) | 1986-04-22 |
Family
ID=22561939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000377021A Expired CA1203559A (en) | 1980-06-06 | 1981-05-07 | High pressure sodium lamp having improved efficacy |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0041721B1 (enrdf_load_stackoverflow) |
| JP (1) | JPH0211717Y2 (enrdf_load_stackoverflow) |
| CA (1) | CA1203559A (enrdf_load_stackoverflow) |
| DE (1) | DE3169958D1 (enrdf_load_stackoverflow) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1266181A (fr) * | 1960-08-26 | 1961-07-07 | Lampes Sa | Lampes à décharge à enveloppe en alumine transparente |
| JPS5710543B2 (enrdf_load_stackoverflow) * | 1972-03-16 | 1982-02-26 | ||
| US3906272A (en) * | 1974-04-01 | 1975-09-16 | Gen Electric | Low wattage high pressure sodium vapor lamps |
| GB1597162A (en) * | 1977-03-10 | 1981-09-03 | Ngk Insulators Ltd | Transparent polycrystalline alumina and high pressure vapour discharge lamp |
-
1981
- 1981-05-07 CA CA000377021A patent/CA1203559A/en not_active Expired
- 1981-06-05 JP JP1981083699U patent/JPH0211717Y2/ja not_active Expired
- 1981-06-06 EP EP19810104390 patent/EP0041721B1/en not_active Expired
- 1981-06-06 DE DE8181104390T patent/DE3169958D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0211717Y2 (enrdf_load_stackoverflow) | 1990-03-28 |
| DE3169958D1 (en) | 1985-05-23 |
| EP0041721A2 (en) | 1981-12-16 |
| JPS572567U (enrdf_load_stackoverflow) | 1982-01-07 |
| EP0041721B1 (en) | 1985-04-17 |
| EP0041721A3 (en) | 1982-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |