ES398575A1 - Arc-discharge lamp - Google Patents

Arc-discharge lamp

Info

Publication number
ES398575A1
ES398575A1 ES398575A ES398575A ES398575A1 ES 398575 A1 ES398575 A1 ES 398575A1 ES 398575 A ES398575 A ES 398575A ES 398575 A ES398575 A ES 398575A ES 398575 A1 ES398575 A1 ES 398575A1
Authority
ES
Spain
Prior art keywords
halide
ampoule
electrodes
mercury
moles
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
ES398575A
Other languages
Spanish (es)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES398575A1 publication Critical patent/ES398575A1/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
    • H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

An arc discharge device comprising a light-transmitting, hermetically sealed, elongated ampoule, enclosing a predetermined volume, input electrical conductors embedded in said ampoule and electrically connected to electrodes that are operatively spaced a predetermined distance within said ampoule, a metal halide filler that maintains the discharge surrounded by said ampoule, and which includes a small charge of inert ionizable ignition gas and a predetermined amount of mercury, characterized in that mercury, when fully vaporized as the sole maintenance constituent of the discharge is capable of providing a mercury vapor operating pressure of between 3 and 15 atmospheres calculated on the basis of an average mercury vapor temperature of 2000º K, and because the filler further includes at least one of between praseodymium halide, neodymium halide and halide of cerium, excluding fluoride, in a total amount comprised between 1.4 x 10-6 and 5.4 x 10-5 moles-gram/cm of separation between said electrodes; cesium halide, excluding fluoride, in an amount between 3.5 x 10-7 and 5.4 x 10-5 moles-gram/cm of separation between said electrodes; and the molar ratio of said praseodymium halide, neodymium halide and cerium halide to said cesium halide being from 4/1 to 1/2.5. (Machine-translation by Google Translate, not legally binding)
ES398575A 1971-01-21 1972-01-04 Arc-discharge lamp Expired ES398575A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10842771A 1971-01-21 1971-01-21

Publications (1)

Publication Number Publication Date
ES398575A1 true ES398575A1 (en) 1974-10-01

Family

ID=22322119

Family Applications (1)

Application Number Title Priority Date Filing Date
ES398575A Expired ES398575A1 (en) 1971-01-21 1972-01-04 Arc-discharge lamp

Country Status (9)

Country Link
JP (1) JPS5133360B1 (en)
BE (1) BE778219A (en)
DE (1) DE2201831A1 (en)
ES (1) ES398575A1 (en)
FR (1) FR2122551B1 (en)
GB (1) GB1370020A (en)
IT (1) IT946752B (en)
MY (1) MY7500097A (en)
NL (1) NL7200871A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519377A1 (en) * 1975-04-30 1976-11-11 Patra Patent Treuhand MERCURY VAPOR HIGH PRESSURE DISCHARGE LAMP
JPS54129275U (en) * 1978-02-27 1979-09-08
JPS54167667U (en) * 1978-05-15 1979-11-26
JPS5537252U (en) * 1978-08-30 1980-03-10
NL8005456A (en) * 1980-10-02 1982-05-03 Philips Nv HIGH PRESSURE MERCURY DISCHARGE LAMP.
DE3427280C2 (en) * 1984-07-24 1986-06-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Metal halide high pressure discharge lamp
US4801846A (en) * 1986-12-19 1989-01-31 Gte Laboratories Incorporated Rare earth halide light source with enhanced red emission
HU196861B (en) * 1987-01-23 1989-01-30 Tungsram Reszvenytarsasag Low colour-temperature high-pressure metal-halide lamp with good colour reproduction
DE4013039A1 (en) * 1990-04-24 1991-10-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP
DE10307067B8 (en) * 2003-02-19 2005-01-13 Sli Lichtsysteme Gmbh Metal halide lamp
EP2387065B1 (en) * 2010-05-13 2015-08-26 Flowil International Lighting (Holding) B.V. A high pressure discharge lamp for collagen regeneration in the skin

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262012A (en) * 1963-12-31 1966-07-19 Sylvania Electric Prod Electric discharge device having a thermostatically operated switch connected to a main electrode
US3514659A (en) * 1967-07-03 1970-05-26 Sylvania Electric Prod High pressure vapor discharge lamp with cesium iodide

Also Published As

Publication number Publication date
BE778219A (en) 1972-07-19
NL7200871A (en) 1972-07-25
MY7500097A (en) 1975-12-31
DE2201831A1 (en) 1972-08-03
FR2122551A1 (en) 1972-09-01
IT946752B (en) 1973-05-21
FR2122551B1 (en) 1977-01-14
JPS5133360B1 (en) 1976-09-18
GB1370020A (en) 1974-10-09

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