FR829532A - Development of draft switches - Google Patents
Development of draft switchesInfo
- Publication number
- FR829532A FR829532A FR829532DA FR829532A FR 829532 A FR829532 A FR 829532A FR 829532D A FR829532D A FR 829532DA FR 829532 A FR829532 A FR 829532A
- Authority
- FR
- France
- Prior art keywords
- draft
- switches
- development
- draft switches
- 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
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
- F24H9/2042—Preventing or detecting the return of combustion gases
- F24H9/205—Closing the energy supply
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR829532T | 1937-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR829532A true FR829532A (en) | 1938-06-29 |
Family
ID=9284343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR829532D Expired FR829532A (en) | 1937-02-25 | 1937-02-25 | Development of draft switches |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR829532A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0881439A3 (en) * | 1997-05-30 | 2000-05-17 | Robert Bosch Gmbh | Gas fired water heater with a flue gas collecting hood |
-
1937
- 1937-02-25 FR FR829532D patent/FR829532A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0881439A3 (en) * | 1997-05-30 | 2000-05-17 | Robert Bosch Gmbh | Gas fired water heater with a flue gas collecting hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR848164A (en) | Switch refinements | |
| FR839967A (en) | Improvements to elastic couplings | |
| FR832666A (en) | Switch refinements | |
| FR846216A (en) | Improvements to objectives | |
| FR830656A (en) | Switch refinements | |
| FR828641A (en) | Improvements to refractory objects | |
| FR829532A (en) | Development of draft switches | |
| FR823963A (en) | Improvements to autocolimators | |
| FR844988A (en) | Improvements to pose-meters | |
| FR837055A (en) | Underwear improvement | |
| FR49008E (en) | Burners improvements | |
| FR831864A (en) | Further development of axial-centrifugal fans | |
| FR835180A (en) | Development of cross-beating combines | |
| FR48300E (en) | Soap enhancements | |
| FR842899A (en) | Improvements relating to faucets | |
| FR826513A (en) | Further development of scenters | |
| FR831099A (en) | Improvements made to cases | |
| FR835077A (en) | Silent improvements | |
| FR832469A (en) | Improvements to taps | |
| FR831529A (en) | Improvements to presses | |
| FR845799A (en) | Clutch refinements | |
| FR48882E (en) | Improvements to faucets | |
| FR841064A (en) | Improvements to must | |
| FR829359A (en) | Underwear enhancements | |
| FR839724A (en) | Improvements to duckweeds |