FR1022425A - Method and device for preventing the formation of an external deposit on water-cooled electric lamps - Google Patents

Method and device for preventing the formation of an external deposit on water-cooled electric lamps

Info

Publication number
FR1022425A
FR1022425A FR1022425DA FR1022425A FR 1022425 A FR1022425 A FR 1022425A FR 1022425D A FR1022425D A FR 1022425DA FR 1022425 A FR1022425 A FR 1022425A
Authority
FR
France
Prior art keywords
preventing
formation
water
electric lamps
cooled electric
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
Other languages
French (fr)
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.)
SCOPICON Inc
Original Assignee
SCOPICON Inc
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 SCOPICON Inc filed Critical SCOPICON Inc
Application granted granted Critical
Publication of FR1022425A publication Critical patent/FR1022425A/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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
FR1022425D 1950-03-22 1950-07-24 Method and device for preventing the formation of an external deposit on water-cooled electric lamps Expired FR1022425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US151278A US2682006A (en) 1950-03-22 1950-03-22 Means for preventing external coating of water-cooled electric lamps

Publications (1)

Publication Number Publication Date
FR1022425A true FR1022425A (en) 1953-03-04

Family

ID=10084331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1022425D Expired FR1022425A (en) 1950-03-22 1950-07-24 Method and device for preventing the formation of an external deposit on water-cooled electric lamps

Country Status (6)

Country Link
US (1) US2682006A (en)
BE (1) BE497600A (en)
CH (1) CH288268A (en)
DE (1) DE844494C (en)
FR (1) FR1022425A (en)
GB (1) GB677679A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110755C (en) * 1958-09-26
US3320456A (en) * 1965-08-25 1967-05-16 Edgerton Germeshausen & Grier Corrosion inhibiting fitting for fluidcooled electric-discharge lamps
DE2829099A1 (en) * 1978-07-03 1980-01-17 Shigeru Suga Cooling device for xenon lamp in testing appts. - has lamp surrounding cylindrical cooling tube of UV transparent glass with end and middle restrictions
US5168194A (en) * 1986-12-02 1992-12-01 Heraeus Noblelight Limited Pulse simmer flash lamp cathode
CA2129147A1 (en) * 1994-07-29 1996-01-30 Peter Carmichael Light bulb cooling jacket and heat dissipation system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812745A (en) * 1929-10-02 1931-06-30 Gen Electric Lamp
DE667160C (en) * 1935-03-21 1938-11-05 Philips Patentverwaltung Mercury vapor discharge tubes
DE716566C (en) * 1936-11-28 1942-02-02 Philipls Patentverwaltung G M In particular, artificially cooled high pressure mercury vapor discharge tubes used to emit radiation
GB579748A (en) * 1943-07-02 1946-08-14 Gen Electric Co Ltd Improvements in hpmv lamps
US2477396A (en) * 1946-08-27 1949-07-26 Edwin C Weiskopf Projecting microscope and viewing device

Also Published As

Publication number Publication date
DE844494C (en) 1952-07-21
CH288268A (en) 1953-01-15
US2682006A (en) 1954-06-22
BE497600A (en) 1950-12-16
GB677679A (en) 1952-08-20

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