GB1143452A - Improvements in high pressure saturated vapor sodium lamp containing mercury - Google Patents

Improvements in high pressure saturated vapor sodium lamp containing mercury

Info

Publication number
GB1143452A
GB1143452A GB15751/67A GB1575167A GB1143452A GB 1143452 A GB1143452 A GB 1143452A GB 15751/67 A GB15751/67 A GB 15751/67A GB 1575167 A GB1575167 A GB 1575167A GB 1143452 A GB1143452 A GB 1143452A
Authority
GB
United Kingdom
Prior art keywords
sodium
envelope
lamp
range
excess
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
Application number
GB15751/67A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1143452A publication Critical patent/GB1143452A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/22—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent vapour of an alkali metal
    • 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 Lamp (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

1,143,452. Metal-vapour lamps. GENERAL ELECTRIC CO. 6 April, 1967 [26 April, 1966], No. 15751/67. Heading H1D. A high pressure sodium vapour discharge lamp comprises a tubular elongated envelope 11 of material resistant to the attack of sodium vapour at high temperatures, a pair of electrodes 15 and 15<SP>1</SP> sealed into opposite ends, and an ionizable medium within said envelope comprising an inert starting gas and a quantity of a sodium-mercury amalgam in excess of that vaporized in operation of said lamp, the atomic fraction of sodium in the excess amalgam being in the range from 0À5 to 0.9, whereby a partial pressure of sodium is developed in the range of 30 to 1000 torr along with a partial pressure of mercury in the range of 0.1 to 5 atmospheres when the excess amalgam in said lamp envelope is maintained in liquid form at a temperature in the range of 600‹ to 950‹ C. at the coldest place in said lamp envelope. The envelope 11 of the lamp shown may be made of sintered high density polycrystalline alumina ceramic with niobium end-caps 12, 13 sealed thereto by a composition 14 comprising aluminium and calcium oxides and supporting activated tungsten wire thermionic cathodes 15 and 15<SP>1</SP> by way of metal tubes 17 and 17<SP>1</SP>, tube 17 having an exhausting and filling aperture 18 and being pinched off at 19. The arc tube support comprises a single side rod frame 21. A getter, e.g. barium powder, is pressed into channelled rings 27. The starting gas is preferably xenon at a pressure of 20 torr, but neon with from 0.1 to 1% argon may be used.
GB15751/67A 1966-04-26 1967-04-06 Improvements in high pressure saturated vapor sodium lamp containing mercury Expired GB1143452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US545449A US3384798A (en) 1966-04-26 1966-04-26 High pressure saturation vapor sodium lamp containing mercury

Publications (1)

Publication Number Publication Date
GB1143452A true GB1143452A (en) 1969-02-19

Family

ID=24176305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15751/67A Expired GB1143452A (en) 1966-04-26 1967-04-06 Improvements in high pressure saturated vapor sodium lamp containing mercury

Country Status (3)

Country Link
US (1) US3384798A (en)
DE (1) DE1589171B1 (en)
GB (1) GB1143452A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387510A1 (en) * 1977-04-15 1978-11-10 Philips Nv HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR2418546A1 (en) * 1978-02-22 1979-09-21 Philips Nv HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR2431186A1 (en) * 1978-07-11 1980-02-08 Westinghouse Electric Corp HIGH PRESSURE SODIUM STEAM DISCHARGE LAMP
EP0347529A2 (en) * 1988-03-25 1989-12-27 PRIAMOS Licht, Industrie &amp; Dienstleistungs GmbH Method of operating a high pressure sodium vapour discharge lamp

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519864A (en) * 1966-12-29 1970-07-07 Sylvania Electric Prod High pressure electric discharge device with barium peroxide getter and getter mounting structure
US3476969A (en) * 1967-02-16 1969-11-04 Westinghouse Electric Corp Capillary ceramic discharge lamp with closure means therefor
US3453477A (en) * 1967-02-16 1969-07-01 Gen Electric Alumina-ceramic sodium vapor lamp
US3485343A (en) * 1967-08-28 1969-12-23 Gen Electric Oxygen getter for high pressure sodium vapor lamp
US3497742A (en) * 1967-12-18 1970-02-24 Varian Associates Short metal arc tube mounted within a ceramic reflector envelope
US3521108A (en) * 1968-07-17 1970-07-21 Gen Electric Metallic vapor arc-lamp having high intensity sun-like emission
US3628846A (en) * 1970-03-01 1971-12-21 Duro Test Corp Method of making a vapor discharge lamp
JPS5122752B1 (en) * 1971-05-14 1976-07-12
US3851207A (en) * 1972-08-01 1974-11-26 Gen Electric Stabilized high intensity sodium vapor lamp
NL174683C (en) * 1975-09-11 1984-07-16 Philips Nv HIGH PRESSURE GAS DISCHARGE LAMP.
US4025812A (en) * 1975-10-14 1977-05-24 General Electric Company Alumina ceramic alkali metal lamp having metal getter structure
US4065691A (en) * 1976-12-06 1977-12-27 General Electric Company Ceramic lamp having electrodes supported by crimped tubular inlead
US4179640A (en) * 1977-12-05 1979-12-18 Westinghouse Electric Corp. Hid sodium lamp which incorporates a high pressure of xenon and a trigger starting electrode
US4232360A (en) * 1978-01-11 1980-11-04 General Electric Company Heat recovery high intensity discharge lamp constructions
NL7902573A (en) * 1979-04-03 1980-10-07 Philips Nv MIXING LIGHT.
NL7903286A (en) * 1979-04-26 1980-10-28 Philips Nv Discharge tube.
CA1207372A (en) * 1982-11-26 1986-07-08 General Electric Company High pressure sodium lamp having improved efficacy
DE3307197A1 (en) * 1983-03-01 1984-09-06 Egyesült Izzólámpa és Villamossági Részvénytársaság, Budapest High-pressure sodium-vapour lamp
CA1246136A (en) * 1983-03-10 1988-12-06 Philip J. White Arc tube fabrication process
CA1222273A (en) * 1983-03-10 1987-05-26 Philip J. White Unsaturated vapor pressure type high pressure sodium lamp
CA1222275A (en) * 1983-03-10 1987-05-26 Gte Products Corporation Unsaturated vapor high pressure sodium lamp fabrication process and structure
CA1241365A (en) * 1983-03-10 1988-08-30 John A. Scholz Unsaturated vapor high pressure sodium lamp arc tube fabrication process
US4639639A (en) * 1985-04-23 1987-01-27 North American Philips Corporation High-pressure sodium vapor lamp and ternary amalgam therefor
US4691141A (en) * 1985-10-11 1987-09-01 Gte Laboratories Incorporated Dosing composition for high pressure sodium lamps
US5336968A (en) * 1992-06-30 1994-08-09 General Electric Company DC operated sodium vapor lamp
JP2001006611A (en) * 1999-06-14 2001-01-12 Matsushita Electric Works Ltd High-brightness discharge lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR816541A (en) * 1936-03-05 1937-08-10 Osa Participations Ind Luminescent electric tube
FR1266181A (en) * 1960-08-26 1961-07-07 Lampes Sa Clear alumina shell discharge lamps
US3248590A (en) * 1963-03-01 1966-04-26 Gen Electric High pressure sodium vapor lamp
FR85245E (en) * 1964-02-25 1965-07-02 Lampes Sa Clear alumina shell discharge lamps

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387510A1 (en) * 1977-04-15 1978-11-10 Philips Nv HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR2418546A1 (en) * 1978-02-22 1979-09-21 Philips Nv HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP
FR2431186A1 (en) * 1978-07-11 1980-02-08 Westinghouse Electric Corp HIGH PRESSURE SODIUM STEAM DISCHARGE LAMP
EP0347529A2 (en) * 1988-03-25 1989-12-27 PRIAMOS Licht, Industrie &amp; Dienstleistungs GmbH Method of operating a high pressure sodium vapour discharge lamp
EP0347529A3 (en) * 1988-03-25 1991-04-24 PRIAMOS Licht, Industrie &amp; Dienstleistungs GmbH Method of operating a high pressure sodium vapour discharge lamp

Also Published As

Publication number Publication date
US3384798A (en) 1968-05-21
DE1589171B1 (en) 1971-08-26

Similar Documents

Publication Publication Date Title
GB1143452A (en) Improvements in high pressure saturated vapor sodium lamp containing mercury
US3979624A (en) High-efficiency discharge lamp which incorporates a small molar excess of alkali metal halide as compared to scandium halide
GB1211175A (en) High-pressure sodium vapor lamp
US2971110A (en) Metal vapor lamps
GB998464A (en) Improvements in gaseous electric discharge lamps
GB1256369A (en) High pressure electric discharge lamp
US3781586A (en) Long lifetime mercury-metal halide discharge lamps
CA1125352A (en) Fill gas for miniature high pressure metal vapor arc lamp
GB1253948A (en) Metal halide discharge lamp
GB1428494A (en) Sodium vapour lamp having starting means
GB2072411A (en) Low wattage metal halide arc discharge lamp
US4025812A (en) Alumina ceramic alkali metal lamp having metal getter structure
GB1186632A (en) Mercury Vapour Discharge Lamp
GB1128504A (en) High pressure mercury vapour electric discharge tube
US5327042A (en) Metal halide lamp
GB1056817A (en) Improvements in and relating to electric discharge lamps
US2056926A (en) Electric gaseous discharge device
GB1248157A (en) Metallic vapor arc-lamp
GB1337134A (en) Metal halide lamp
US3577029A (en) High-pressure electric discharge device containing mercury, halogen, scandium and samarium
US5225733A (en) Scandium halide and alkali metal halide discharge lamp
GB1002961A (en) Improvements in electric discharge lamp
US3895251A (en) Arc discharge lamp having reduced starting voltage
GB1424447A (en) Sodium vapour lamp having starting means
GB1067923A (en) High pressure electric discharge lamps