DE2019718B2 - - Google Patents
Info
- Publication number
- DE2019718B2 DE2019718B2 DE19702019718 DE2019718A DE2019718B2 DE 2019718 B2 DE2019718 B2 DE 2019718B2 DE 19702019718 DE19702019718 DE 19702019718 DE 2019718 A DE2019718 A DE 2019718A DE 2019718 B2 DE2019718 B2 DE 2019718B2
- Authority
- DE
- Germany
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81758369A | 1969-04-18 | 1969-04-18 | |
| US82257569A | 1969-05-07 | 1969-05-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2019718A1 DE2019718A1 (en) | 1970-10-29 |
| DE2019718B2 true DE2019718B2 (en) | 1973-11-15 |
| DE2019718C3 DE2019718C3 (en) | 1974-06-27 |
Family
ID=27124188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702019718 Expired DE2019718C3 (en) | 1969-04-18 | 1970-04-18 | Electric heater |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2019718C3 (en) |
| GB (1) | GB1311733A (en) |
-
1970
- 1970-04-17 GB GB1858370A patent/GB1311733A/en not_active Expired
- 1970-04-18 DE DE19702019718 patent/DE2019718C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2019718C3 (en) | 1974-06-27 |
| GB1311733A (en) | 1973-03-28 |
| DE2019718A1 (en) | 1970-10-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |