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GB1057524A - Discharge lamp - Google Patents

Discharge lamp

Info

Publication number
GB1057524A
GB1057524A GB23058/65A GB2305865A GB1057524A GB 1057524 A GB1057524 A GB 1057524A GB 23058/65 A GB23058/65 A GB 23058/65A GB 2305865 A GB2305865 A GB 2305865A GB 1057524 A GB1057524 A GB 1057524A
Authority
GB
United Kingdom
Prior art keywords
heater
switch
electrode
lamp
supply
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
GB23058/65A
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.)
CBS 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 GB1057524A publication Critical patent/GB1057524A/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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
    • 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
    • H01J61/523—Heating or cooling particular parts of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/541—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch
    • H01J61/542—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch and an auxiliary electrode inside the vessel

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

1,057,524. Supply systems for high-pressure discharge lamps. WESTINGHOUSE ELECTRIC CORPORATION. May 31, 1965 [June 30, 1964], No. 23058/65. Heading H2H. [Also in Division H1] A discharge lamp having a filling of mercury together with additional material includes a resistance heater disposed within the envelope adjacent an electrode, and a self-resistance heated thermal switch mounted outside the envelope, the circuit connections being such that, upon starting up the lamp, the supply is first connected in series with the heater and switch until, upon the attainment of a given temperature, the switch opens to open-circuit the heater and apply the supply across the two lamp electrodes. In one arrangement (Fig. 5, not shown) a resistance heater is connected in series with an electrode 16 and a bimetal switch 38, the lead 36 being flexible to connect the supply across electrodes 14 and 16 when the switch moves to the open position, as shown. In other embodiments (Figs. 6 to 9, not shown) the heater is electrically insulated from the electrode 16 within the envelope: the heater and the switch are located at opposite ends of the lamp; and a heater is provided for each electrode.
GB23058/65A 1964-06-30 1965-05-31 Discharge lamp Expired GB1057524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US379109A US3307069A (en) 1964-06-30 1964-06-30 Electric discharge lamp

Publications (1)

Publication Number Publication Date
GB1057524A true GB1057524A (en) 1967-02-01

Family

ID=23495866

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23058/65A Expired GB1057524A (en) 1964-06-30 1965-05-31 Discharge lamp

Country Status (5)

Country Link
US (1) US3307069A (en)
BE (1) BE666055A (en)
DE (1) DE1489612C3 (en)
GB (1) GB1057524A (en)
NL (1) NL6507847A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619710A (en) * 1969-10-29 1971-11-09 Sylvania Electric Prod High-pressure electric discharge lamp having electrolysis-preventing means
GB1343780A (en) * 1970-06-26 1974-01-16 Thorn Electrical Ind Ltd Discharge lamps
US3753036A (en) * 1971-05-03 1973-08-14 Gte Sylvania Inc Integrated fluorescent lamp unit
US3965387A (en) * 1974-06-24 1976-06-22 General Electric Company Electric lamp and thermal switch therefore
NL7902574A (en) * 1979-04-03 1980-10-07 Philips Nv HIGH PRESSURE DISCHARGE LAMP.
GB2073944B (en) * 1980-02-20 1985-02-06 Mitsubishi Electric Corp High pressure discharge lamp
US4659965A (en) * 1983-11-16 1987-04-21 Gte Products Corporation High pressure discharge lamp with thermal switch
HU191305B (en) * 1984-03-29 1987-02-27 Tungsram Rt,Hu High pressure sodium or metal halogen lamp for dc operation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2020737A (en) * 1932-12-24 1935-11-12 Gen Electric Gaseous electric discharge arc lamp
US2110597A (en) * 1934-09-18 1938-03-08 Westinghouse Electric & Mfg Co Discharge lamp
US2248979A (en) * 1939-07-14 1941-07-15 Gen Electric Discharge lamp
US2329626A (en) * 1940-09-13 1943-09-14 Gen Electric Electric discharge lamp
US3226597A (en) * 1963-09-04 1965-12-28 Gen Electric High pressure metal vapor discharge lamp

Also Published As

Publication number Publication date
BE666055A (en) 1965-10-18
DE1489612B2 (en) 1974-08-15
US3307069A (en) 1967-02-28
DE1489612C3 (en) 1975-04-10
NL6507847A (en) 1965-12-31
DE1489612A1 (en) 1969-02-20

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