DE2943813C2 - - Google Patents
Info
- Publication number
- DE2943813C2 DE2943813C2 DE2943813A DE2943813A DE2943813C2 DE 2943813 C2 DE2943813 C2 DE 2943813C2 DE 2943813 A DE2943813 A DE 2943813A DE 2943813 A DE2943813 A DE 2943813A DE 2943813 C2 DE2943813 C2 DE 2943813C2
- Authority
- DE
- Germany
- Prior art keywords
- shield
- electrode
- piston
- temperature
- coldest point
- 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
- 230000004907 flux Effects 0.000 description 6
- 238000002845 discoloration Methods 0.000 description 4
- 229910001507 metal halide Inorganic materials 0.000 description 4
- 150000005309 metal halides Chemical class 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/956,950 US4383197A (en) | 1978-11-02 | 1978-11-02 | Metal halide arc discharge lamp having shielded electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2943813A1 DE2943813A1 (de) | 1980-05-14 |
| DE2943813C2 true DE2943813C2 (enEXAMPLES) | 1989-03-09 |
Family
ID=25498888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792943813 Granted DE2943813A1 (de) | 1978-11-02 | 1979-10-30 | Bogenentladungslampe |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4383197A (enEXAMPLES) |
| BE (1) | BE879747A (enEXAMPLES) |
| CA (1) | CA1149001A (enEXAMPLES) |
| DE (1) | DE2943813A1 (enEXAMPLES) |
| FR (1) | FR2440613A1 (enEXAMPLES) |
| GB (1) | GB2042792B (enEXAMPLES) |
| NL (1) | NL7908006A (enEXAMPLES) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0164803A1 (en) * | 1984-06-12 | 1985-12-18 | Koninklijke Philips Electronics N.V. | High-pressure sodium discharge lamp |
| US4739227A (en) * | 1986-09-26 | 1988-04-19 | General Electric Company | Fluorescent lamp dimming over large light output range |
| HUT58428A (en) * | 1990-07-20 | 1992-02-28 | Samsung Electronic Devices | Metal-halide lamp |
| US7159374B2 (en) * | 2003-11-10 | 2007-01-09 | Inoflate, Llc | Method and device for pressurizing containers |
| US7893617B2 (en) * | 2006-03-01 | 2011-02-22 | General Electric Company | Metal electrodes for electric plasma discharge devices |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR769133A (fr) * | 1933-02-17 | 1934-08-20 | Quarzlampen Gmbh | Tubes à décharge à gaz ou à vapeur, avec une ou plusieurs électrodes portées à température élevée en cours de fonctionnement |
| US2725495A (en) * | 1951-06-04 | 1955-11-29 | Westinghouse Electric Corp | Discharge lamp |
| US2812465A (en) * | 1954-05-10 | 1957-11-05 | Kenneth J Germeshausen | Gaseous-discharge device |
| US3109952A (en) * | 1962-03-15 | 1963-11-05 | Norman C Beese | High intensity short arc lamp having an annular cathode shield |
| NL162244C (nl) * | 1970-12-25 | 1980-04-15 | Philips Nv | Lagedrukkwikdampontladingslamp. |
| US3761758A (en) * | 1972-01-27 | 1973-09-25 | Gte Sylvania Inc | Metal halide lamp containing mercury, light emitting metal, sodium and another alkali metal |
| US4056751A (en) * | 1976-03-22 | 1977-11-01 | Gte Sylvania Incorporated | Metal halide discharge lamp having optimum electrode location |
| US4056750A (en) * | 1976-12-17 | 1977-11-01 | Gte Sylvania Incorporated | Mercury dispenser for discharge lamps |
| US4117374A (en) * | 1976-12-23 | 1978-09-26 | General Electric Company | Fluorescent lamp with opposing inversere cone electrodes |
-
1978
- 1978-11-02 US US05/956,950 patent/US4383197A/en not_active Expired - Lifetime
-
1979
- 1979-10-26 CA CA000338528A patent/CA1149001A/en not_active Expired
- 1979-10-29 FR FR7926781A patent/FR2440613A1/fr active Granted
- 1979-10-30 DE DE19792943813 patent/DE2943813A1/de active Granted
- 1979-10-31 BE BE2/58171A patent/BE879747A/fr not_active IP Right Cessation
- 1979-11-01 NL NL7908006A patent/NL7908006A/nl not_active Application Discontinuation
- 1979-11-01 GB GB7937883A patent/GB2042792B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE879747A (fr) | 1980-02-15 |
| DE2943813A1 (de) | 1980-05-14 |
| GB2042792B (en) | 1982-12-01 |
| GB2042792A (en) | 1980-09-24 |
| FR2440613B3 (enEXAMPLES) | 1981-08-14 |
| US4383197A (en) | 1983-05-10 |
| NL7908006A (nl) | 1980-05-07 |
| FR2440613A1 (fr) | 1980-05-30 |
| CA1149001A (en) | 1983-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LEMKE, J., DIPL.-ING., PAT.-ANW., 8900 AUGSBURG |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |