FR542656A - Heated shades for lighting lamps - Google Patents
Heated shades for lighting lampsInfo
- Publication number
- FR542656A FR542656A FR542656DA FR542656A FR 542656 A FR542656 A FR 542656A FR 542656D A FR542656D A FR 542656DA FR 542656 A FR542656 A FR 542656A
- Authority
- FR
- France
- Prior art keywords
- shades
- heated
- lighting lamps
- lamps
- lighting
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR542656T | 1921-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR542656A true FR542656A (en) | 1922-08-19 |
Family
ID=8931027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR542656D Expired FR542656A (en) | 1921-10-24 | 1921-10-24 | Heated shades for lighting lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR542656A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439038A (en) * | 1942-11-21 | 1948-04-06 | William G Cartter | Overhead gas-fired radiator and reflector |
-
1921
- 1921-10-24 FR FR542656D patent/FR542656A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439038A (en) * | 1942-11-21 | 1948-04-06 | William G Cartter | Overhead gas-fired radiator and reflector |
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