FR902364A - Appareil refroidi au moyen d'un liquide réfrigérant - Google Patents
Appareil refroidi au moyen d'un liquide réfrigérantInfo
- Publication number
- FR902364A FR902364A FR902364DA FR902364A FR 902364 A FR902364 A FR 902364A FR 902364D A FR902364D A FR 902364DA FR 902364 A FR902364 A FR 902364A
- Authority
- FR
- France
- Prior art keywords
- refrigerant
- unit cooled
- cooled
- unit
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/025—Associated optical elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL631733X | 1943-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR902364A true FR902364A (fr) | 1945-08-29 |
Family
ID=19788755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR902364D Expired FR902364A (fr) | 1943-03-04 | 1944-03-02 | Appareil refroidi au moyen d'un liquide réfrigérant |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR902364A (fr) |
GB (1) | GB631733A (fr) |
NL (1) | NL58984C (fr) |
-
0
- NL NL58984D patent/NL58984C/xx active
-
1944
- 1944-03-02 FR FR902364D patent/FR902364A/fr not_active Expired
-
1946
- 1946-08-22 GB GB25085/46A patent/GB631733A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL58984C (fr) | |
GB631733A (en) | 1949-11-09 |
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