FR639521A - Intensive light fixture with forced ventilation - Google Patents
Intensive light fixture with forced ventilationInfo
- Publication number
- FR639521A FR639521A FR639521DA FR639521A FR 639521 A FR639521 A FR 639521A FR 639521D A FR639521D A FR 639521DA FR 639521 A FR639521 A FR 639521A
- Authority
- FR
- France
- Prior art keywords
- light fixture
- forced ventilation
- intensive light
- intensive
- ventilation
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR639521T | 1927-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR639521A true FR639521A (en) | 1928-06-23 |
Family
ID=8996816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR639521D Expired FR639521A (en) | 1927-08-13 | 1927-08-13 | Intensive light fixture with forced ventilation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR639521A (en) |
-
1927
- 1927-08-13 FR FR639521D patent/FR639521A/en not_active Expired
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