GB146492A - Improvements in electric lamps - Google Patents

Improvements in electric lamps

Info

Publication number
GB146492A
GB146492A GB18608/20A GB1860820A GB146492A GB 146492 A GB146492 A GB 146492A GB 18608/20 A GB18608/20 A GB 18608/20A GB 1860820 A GB1860820 A GB 1860820A GB 146492 A GB146492 A GB 146492A
Authority
GB
United Kingdom
Prior art keywords
mantle
electric lamps
cooling chamber
lamp
cooling
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
GB18608/20A
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.)
Georg Fischer AG
Original Assignee
Georg Fischer AG
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 Georg Fischer AG filed Critical Georg Fischer AG
Publication of GB146492A publication Critical patent/GB146492A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

146,492. Z÷ller, A., and Fischer, G. Nov. 7, 1913, [Convention date]. Globes; reflectors. -A gas-filled electric incandescent lamp, Fig. 1, is provided with a cooling chamber b over which is fitted a ribbed cooling mantle e. In a modification similar to that shown in Fig. 13 (Cancelled), the cooling chamber and its mantle n are of mushroom shape. In this case the mantle may form a mirror. The mantle may be integral with the lamp-holder.
GB18608/20A 1913-11-08 1920-07-05 Improvements in electric lamps Expired GB146492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE340323T 1913-11-08

Publications (1)

Publication Number Publication Date
GB146492A true GB146492A (en) 1921-11-07

Family

ID=33459937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18608/20A Expired GB146492A (en) 1913-11-08 1920-07-05 Improvements in electric lamps

Country Status (2)

Country Link
DE (3) DE317953C (en)
GB (1) GB146492A (en)

Also Published As

Publication number Publication date
DE317953C (en) 1920-01-08
DE340323C (en) 1921-09-08
DE359221C (en) 1922-09-21

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