GB802892A - Improvements in or relating to arc lamps - Google Patents

Improvements in or relating to arc lamps

Info

Publication number
GB802892A
GB802892A GB1161956A GB1161956A GB802892A GB 802892 A GB802892 A GB 802892A GB 1161956 A GB1161956 A GB 1161956A GB 1161956 A GB1161956 A GB 1161956A GB 802892 A GB802892 A GB 802892A
Authority
GB
United Kingdom
Prior art keywords
electrodes
ferrules
end caps
inch
stainless steel
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
GB1161956A
Inventor
Theodore S Noskowicz
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.)
Rauland Borg Corp
Original Assignee
Rauland Borg 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 Rauland Borg Corp filed Critical Rauland Borg Corp
Priority to GB1161956A priority Critical patent/GB802892A/en
Publication of GB802892A publication Critical patent/GB802892A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

Landscapes

  • Discharge Lamp (AREA)

Abstract

802,892. Discharge lamps. RAULAND CORPORATION. April 17,1956, No. 11619/56. Class 39(1). Arc lamp comprises a pair of coaxial tungsten electrodes 11, 12 supported in variable spaced relationship, an opaque shield structure 18, 17, 20 encompassing the electrodes and having an unobstructed light exposure aperture 29 and means, comprising gas supply tank 32, regulating valve 34, pipe 33 and aperture 30, for producing a continuous substantially constant flow of inert gas, such as helium or argon under pressure of 2-3 lbs. per sq. inch, through the discharge space. The shield structure comprises a ceramic or stainless steel tube 18 closed by stainless steel end caps 17 and 20 carrying the electrodes. One or both end caps 17, 20 can be separated from the tube 18 by insulating sleeves 19. The electrodes 11, 12 are mounted in the end caps 17, 20 by threaded ferrules 13, 21 of brass or iron and nuts 15, 23. Connectors 27, 25 to the supply source 26 are clamped between the ferrules 13, 21 and the caps 17, 20. The spacing between the electrodes 11 and 12 can be adjusted by moving them within the ferrules 13 and 21 and can be 0À1 inch or less. Electrodes of different diameter can be used. The light intensity can be varied by adjustment of the current from the supply source 26 which can incorporate current limiting means. An operating current of 45 amperes is referred to.
GB1161956A 1956-04-17 1956-04-17 Improvements in or relating to arc lamps Expired GB802892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1161956A GB802892A (en) 1956-04-17 1956-04-17 Improvements in or relating to arc lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1161956A GB802892A (en) 1956-04-17 1956-04-17 Improvements in or relating to arc lamps

Publications (1)

Publication Number Publication Date
GB802892A true GB802892A (en) 1958-10-15

Family

ID=9989588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1161956A Expired GB802892A (en) 1956-04-17 1956-04-17 Improvements in or relating to arc lamps

Country Status (1)

Country Link
GB (1) GB802892A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126991B (en) * 1959-08-26 1962-04-05 Gen Electric Wall-stabilized electric noble gas high pressure discharge lamp and process for their production
DE1220039B (en) * 1959-08-26 1966-06-30 Gen Electric Metal halide electric lamp
FR2287103A1 (en) * 1974-10-02 1976-04-30 Alsthom Cgee METAL ENCLOSURE SURGE PROTECTOR

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126991B (en) * 1959-08-26 1962-04-05 Gen Electric Wall-stabilized electric noble gas high pressure discharge lamp and process for their production
DE1220039B (en) * 1959-08-26 1966-06-30 Gen Electric Metal halide electric lamp
FR2287103A1 (en) * 1974-10-02 1976-04-30 Alsthom Cgee METAL ENCLOSURE SURGE PROTECTOR

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