GB952939A - Improvements in or relating to incandescent electric lamps - Google Patents

Improvements in or relating to incandescent electric lamps

Info

Publication number
GB952939A
GB952939A GB26762A GB26762A GB952939A GB 952939 A GB952939 A GB 952939A GB 26762 A GB26762 A GB 26762A GB 26762 A GB26762 A GB 26762A GB 952939 A GB952939 A GB 952939A
Authority
GB
United Kingdom
Prior art keywords
filament
envelope
tungsten
glasses
rods
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
GB26762A
Inventor
James Norman Bowtell
Evan Herbert Nelson
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 PLC
Original Assignee
General Electric Co PLC
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 PLC filed Critical General Electric Co PLC
Priority to GB26762A priority Critical patent/GB952939A/en
Publication of GB952939A publication Critical patent/GB952939A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/38—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering

Landscapes

  • Resistance Heating (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

<PICT:0952939/C1/1> In an incandescent electric lamp having a tungsten filament within a quartz envelope containing iodine, the internal surface of the envelope lying between the two planes at right-angles to the envelope axis between which the filament extends is so small in relation to the dimensions and effective resistance of the filament that for at least one value of the wattage dissipated in the filament such that the filament temperature is in the range 3100-3350 DEG K., the envelope loading is in the range 50-150 watts per square centimetre. In one form, the envelope 5 is closed at the ends by beads 7 of high silicon glass through which rods 6 of tungsten are sealed, the filament 10 extending between the rods. The seals at the ends of the tube may consist of one or more glasses, the coefficient of thermal expansion of each of the glasses being intermediate between those of the members (i.e. quartz, tungsten or another glass) to which they are sealed on either side. Specifications 952,937 and 952,938 are referred to.
GB26762A 1962-01-03 1962-01-03 Improvements in or relating to incandescent electric lamps Expired GB952939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB26762A GB952939A (en) 1962-01-03 1962-01-03 Improvements in or relating to incandescent electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26762A GB952939A (en) 1962-01-03 1962-01-03 Improvements in or relating to incandescent electric lamps

Publications (1)

Publication Number Publication Date
GB952939A true GB952939A (en) 1964-03-18

Family

ID=9701348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26762A Expired GB952939A (en) 1962-01-03 1962-01-03 Improvements in or relating to incandescent electric lamps

Country Status (1)

Country Link
GB (1) GB952939A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354343A (en) * 1964-05-19 1967-11-21 Elman B Myers Dual beam electric lamp
US3416022A (en) * 1965-02-24 1968-12-10 Wagner Electric Corp Tungsten filament iodine cycle incandescent lamp with alkali metal getter
US4020380A (en) * 1975-04-07 1977-04-26 Westinghouse Electric Corporation Regenerative-cycle incandescent lamp containing HgBr2 additive
US4305015A (en) * 1978-12-08 1981-12-08 Tokyo Shibaura Denki Kabushiki Kaisha Sealed beam lamp including halogen bulb with light shielding layer
US5077505A (en) * 1989-07-24 1991-12-31 U.S. Philips Corporation Electric lamp and seal structure therefor
US5159239A (en) * 1988-02-23 1992-10-27 U.S. Philips Corporation Electric lamp with SiO2 vessel and seal therefor
DE102011115841A1 (en) 2010-11-19 2012-05-24 Heraeus Noblelight Gmbh irradiator

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354343A (en) * 1964-05-19 1967-11-21 Elman B Myers Dual beam electric lamp
US3416022A (en) * 1965-02-24 1968-12-10 Wagner Electric Corp Tungsten filament iodine cycle incandescent lamp with alkali metal getter
US4020380A (en) * 1975-04-07 1977-04-26 Westinghouse Electric Corporation Regenerative-cycle incandescent lamp containing HgBr2 additive
US4305015A (en) * 1978-12-08 1981-12-08 Tokyo Shibaura Denki Kabushiki Kaisha Sealed beam lamp including halogen bulb with light shielding layer
US5159239A (en) * 1988-02-23 1992-10-27 U.S. Philips Corporation Electric lamp with SiO2 vessel and seal therefor
US5077505A (en) * 1989-07-24 1991-12-31 U.S. Philips Corporation Electric lamp and seal structure therefor
DE102011115841A1 (en) 2010-11-19 2012-05-24 Heraeus Noblelight Gmbh irradiator
WO2012065688A2 (en) 2010-11-19 2012-05-24 Heraeus Noblelight Gmbh Irradiation device
WO2012065688A3 (en) * 2010-11-19 2012-07-26 Heraeus Noblelight Gmbh Irradiation device
CN103282999A (en) * 2010-11-19 2013-09-04 贺利氏特种光源有限责任公司 Irradiation device
US8785894B2 (en) 2010-11-19 2014-07-22 Heraeus Noblelight Gmbh Irradiation device having transition glass seal
CN103282999B (en) * 2010-11-19 2016-06-29 贺利氏特种光源有限责任公司 Radiation appliance

Similar Documents

Publication Publication Date Title
GB952939A (en) Improvements in or relating to incandescent electric lamps
ES453365A1 (en) Halogen incandescent lamp
US2210489A (en) Electrical device
GB1041392A (en) Improvements relating to electric incandescent filament lamps
US3555338A (en) Incandescent lamp
US3445713A (en) Halogen cycle incandescent lamp
GB1325821A (en) Lamp having filament support
GB1011525A (en) Electrical charge device
GB1185873A (en) Lamps having a Linear Envelope of High-Temperature Glass
GB986514A (en) Improvements in the manufacture of electric incandescent lamps
US3479548A (en) Enveloped quartz iodine lamp
US2543369A (en) Thermocouple tube
GB1167769A (en) Electric Incandescent Lamp
US3286116A (en) Electric incandescent lamp filament support
GB1286048A (en) Lamp
GB1231141A (en)
EP0639854B1 (en) Electric lamp
US3706902A (en) Electric lamp with resilient base
US3321662A (en) Electric lamp with tubular body and light transmitting closure having over-lapping flange seal
GB502078A (en) Improvements in or relating to gasfilled electric incandescent lamps
US2740875A (en) Photoelectric device
US2611883A (en) High-pressure mercury vapor lamp
US3355613A (en) High energy tubular incandescent lamp having heat dissipative sleeves
ES271430A1 (en) Improvements introduced in the manufacture of electric lamps for the projection (Machine-translation by Google Translate, not legally binding)
GB1206982A (en) Method of fabricating an incandescent lamp and its construction