GB640190A - Improvements in or relating to high powered electric light source installations - Google Patents
Improvements in or relating to high powered electric light source installationsInfo
- Publication number
- GB640190A GB640190A GB3054547A GB3054547A GB640190A GB 640190 A GB640190 A GB 640190A GB 3054547 A GB3054547 A GB 3054547A GB 3054547 A GB3054547 A GB 3054547A GB 640190 A GB640190 A GB 640190A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arc
- lamp
- conductors
- pipes
- lengths
- 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
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B31/00—Electric arc lamps
- H05B31/02—Details
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
640,190. Supply systems for arc and discharge lamps. MOLE-RICHARDSON (ENGLAND), Ltd., and HALLETT, C. G. H. Nov. 18, 1947,_ No. 30545. [Class 38 (iv)] Cooling water for a high-powered arc or vapour discharge lamp flows in direct contact with (and thus cools) a conductor carrying current to the lamp and having such resistance. as to provide all or most of the ballast necessary for the lamp. The conductor may be in the form of a copper pipe within the lamp house. Figs. 1 and 2 show an arrangement in which an arc c is supplied with current through copper pipes h, j and resistance conductors d carried within flexible hose lengths a, b through which cooling water is conveyed to the arc electrodes. The conductors may be of helical form, with or without an iron wire core, to increase their inductance. The hose lengths are provided at their ends with conductive ferrules n connected to the ends of the conductors and by which the lengths may be connected to the pipes h, j both electrically and hydraulically. An insulating tube m may be provided between the electrodes to permit circulation of water whilst providing for their electrical isolation. The connection between the pipes and hose lengths includes an insulating tube t with packing glands o, q and a switch contact u which bridges surfaces p, r of the glands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3054547A GB640190A (en) | 1947-11-18 | 1947-11-18 | Improvements in or relating to high powered electric light source installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3054547A GB640190A (en) | 1947-11-18 | 1947-11-18 | Improvements in or relating to high powered electric light source installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB640190A true GB640190A (en) | 1950-07-12 |
Family
ID=10309307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3054547A Expired GB640190A (en) | 1947-11-18 | 1947-11-18 | Improvements in or relating to high powered electric light source installations |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB640190A (en) |
-
1947
- 1947-11-18 GB GB3054547A patent/GB640190A/en not_active Expired
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