FR2275743B2 - - Google Patents
Info
- Publication number
- FR2275743B2 FR2275743B2 FR7421054A FR7421054A FR2275743B2 FR 2275743 B2 FR2275743 B2 FR 2275743B2 FR 7421054 A FR7421054 A FR 7421054A FR 7421054 A FR7421054 A FR 7421054A FR 2275743 B2 FR2275743 B2 FR 2275743B2
- Authority
- FR
- France
- 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
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
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- 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
- F24H3/002—Air heaters using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7421054A FR2275743A2 (en) | 1974-06-18 | 1974-06-18 | FINNED DIFFUSERS ESPECIALLY FOR ELECTRIC HEATING ELEMENTS |
NL7408574A NL7408574A (en) | 1973-06-29 | 1974-06-26 | |
GB2836374A GB1480833A (en) | 1973-06-29 | 1974-06-26 | Electrical heating devices |
ES427801A ES427801A1 (en) | 1973-06-29 | 1974-06-28 | Electrical heating devices |
DE19742431211 DE2431211A1 (en) | 1973-06-29 | 1974-06-28 | RIB DISTRIBUTORS, IN PARTICULAR FOR ELECTRIC HEATING ELEMENTS |
IT2458674A IT1015522B (en) | 1973-06-29 | 1974-06-28 | FINS DIFFUSER PARTICULARLY FOR ELECTRIC HEATING ELEMENTS |
CH896674A CH588058A5 (en) | 1973-06-29 | 1974-06-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7421054A FR2275743A2 (en) | 1974-06-18 | 1974-06-18 | FINNED DIFFUSERS ESPECIALLY FOR ELECTRIC HEATING ELEMENTS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2275743A2 FR2275743A2 (en) | 1976-01-16 |
FR2275743B2 true FR2275743B2 (en) | 1977-10-07 |
Family
ID=9140181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7421054A Granted FR2275743A2 (en) | 1973-06-29 | 1974-06-18 | FINNED DIFFUSERS ESPECIALLY FOR ELECTRIC HEATING ELEMENTS |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2275743A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1535561A (en) * | 1976-01-23 | 1978-12-13 | Tugonia Ag | Heat exchanger for convector heater |
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1974
- 1974-06-18 FR FR7421054A patent/FR2275743A2/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2275743A2 (en) | 1976-01-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |