GB340730A - Improvements relating to doors of electric furnaces - Google Patents
Improvements relating to doors of electric furnacesInfo
- Publication number
- GB340730A GB340730A GB37043/29A GB3704329A GB340730A GB 340730 A GB340730 A GB 340730A GB 37043/29 A GB37043/29 A GB 37043/29A GB 3704329 A GB3704329 A GB 3704329A GB 340730 A GB340730 A GB 340730A
- Authority
- GB
- United Kingdom
- Prior art keywords
- door
- motor
- furnace
- arms
- energized
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M7/00—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
340,730. Furnace doors. HIRSCH, KUPFER-UND MESSINGWERKE, AKT.- GES., Messingwerk, near Eberswalde, Germany. Dec. 3, 1929, No. 37043. Convention date, March 11. [Class 51 (ii).] In furnace doors operated by electric motors means under the control of electromagnets are provided for pressing the door against its seat when the operating motor is switched off, the electromagnets being energized through the motor switch. The charging opening of an electric annealing or like furnace is closed by a door 3 suspended by wires 4 and raised and lowered by an electric motor 5. Doublearmed levers are pivoted at 9 on each side of the furnace, the short arms 6 being normally pressed against the door by weights 8 on the long arms 7. The end of each long arm 7 is connected with the armature 10 of an electromagnet 11 secured to the furnace wall and the magnets are connected to the switch of the motor 5 so that when the motor is started the magnets are energized and raise the arms 7, releasing the door. Pins 12 limit the downward movement of the arms 7 when the magnet is de-energized with the door in the raised position.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE340730X | 1929-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB340730A true GB340730A (en) | 1931-01-08 |
Family
ID=6229112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37043/29A Expired GB340730A (en) | 1929-03-11 | 1929-12-03 | Improvements relating to doors of electric furnaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB340730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977648A (en) * | 2018-09-21 | 2018-12-11 | 山东宏旺实业有限公司 | A kind of door structure of annealing furnace |
-
1929
- 1929-12-03 GB GB37043/29A patent/GB340730A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977648A (en) * | 2018-09-21 | 2018-12-11 | 山东宏旺实业有限公司 | A kind of door structure of annealing furnace |
| CN108977648B (en) * | 2018-09-21 | 2024-01-05 | 山东宏旺实业有限公司 | Furnace door structure of annealing furnace |
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