EP0225952B1 - A domestic electric kiln - Google Patents
A domestic electric kiln Download PDFInfo
- Publication number
- EP0225952B1 EP0225952B1 EP85308995A EP85308995A EP0225952B1 EP 0225952 B1 EP0225952 B1 EP 0225952B1 EP 85308995 A EP85308995 A EP 85308995A EP 85308995 A EP85308995 A EP 85308995A EP 0225952 B1 EP0225952 B1 EP 0225952B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- kiln
- cover
- steam
- domestic electric
- chamber
- 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
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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
- H05B3/0014—Devices wherein the heating current flows through particular resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
Definitions
- This invention concerns a type of domestic electric kiln-heater which makes use of the same energy found in an ordinary electric radiator. That is, it benefits from the continuous flow of both steams and air which is drawn in and expelled from the chamber.
- This kiln-heater (example: electrical power 2000W, 110V) can produce high quality products of chinaware or pottery in just 1.50 minutes at 1280°C. It can at the same time increase the temperature in an area of 46 sq. metres (500 Ft2) by as much as 3 ° C and furthermore, boil 1500cc of water as well as steriiize the atmosphere. These are functions an average domestic radiator cannot hope to accomplish.
- the embodiments of this invention consist primarily of electrical coils (heat source) set around the inner wall of its heat resistant body frame.
- This invention relates to a domestic electric kiln-heater. Of which its one specialty is in providing warmth to the home. From this heat one can at the same time bake high quality chinaware or pottery and make food or coffee as well. This electric device can be operated with ease and safety in the living room, bedroom or wherever one wishes.
- the average electric furnace makes use of high concentrated electric heating when baking. They often fail to produce works that meet up to our standard. Moreover, the size and volume needs to be quite large so as to accommodate the required distance between the embryo and the electric coils, in order to avoid the cracks and deformations that come from improper placement. The effective space of said furnace ends up being too small to make large high quality chinaware or pottery.
- This invention makes use electrical power which is found in most household appliances. It is a domestic equipment for the benefit of the average person to make their own chinaware at home. To top this, there is the option of adjusting room temperature by changing the heat output. Or adjusting it so that fried chop-suey, steak or instant boiling water can be made, while the embryo is being baked. All the above options can be done with absolutely no harm to the baking process.
- the present invention provides a domestic electric kiln as disclosed in Claim 1.
- Preferred embodiments are disclosed in claims 2 to 6. Functions and Characteristics of the Invention:
- the frame body 1 of the kiln is made of heat resistant substance and is equipped with electrical coils 101, 102, 103------- around in its inner wall.
- Pipe 2 is a water container which has two openings 202, 203.
- Fig. 2B One is the water inlet 203, another 201 is a heat conducting block, the other 202 is formed like an elbow part of the pipe 2 and serves as a steam outlet.
- Pipe 2 is set to the outside of the bottom by inserting the heat conducting block 201 and the steam outlet 202 through the two holes 106, 107 of the inner bottom of the kiln.
- a supporting rack 6 is placed in the kiln chamber to support the embryo of chinaware or pottery.
- the cover 5 has an opening 501 in the center which is equipped with 503 a manually operated neat-outlet regulator for steam and hot air from the kiln chamber, wherein the temperature could rise to 1280 ° C.
- a safety lock 4 is set on the side of cover 5.
- the safety lock 4 is comprised of a bolt 405 with a round head 401 which serves as a handle (Fig. 2D).
- the cover 5 When loosing the safety lock 4, i.e., by screwing up the bolt 401 by turning the round handle 401, the cover 5 could be lifted, by moving the cover 5 to the other side, thus the kiln would be opened and one can put in or take out the embryo of chinaware or pottery.
- the heat conducting block 201 would receive the heat generated by the electrical coils, thus would vaporize the water contained in the pipe 2.
- the hot steam would be generated from the steam outlet 202 of the pipe 2, then goes into the chamber. After spreading throughout the whole chamber, it finally escapes from the opening 501 of the cover 5, thus a continuous flow of steam and hot air would be mentioned in the chamber of the kiln.
- 503 is a kiln cover manually operated neat- outlet regulator.
- the shell 3 of the kiln consists of two separated metal plates (Fig. 2C), thus form an insulating space between, which serves as an air-cooling mechanism. That is, it can decrease temperatures from 1280 ° C (inside the kiln) to 50°C approximately (on the exterior surface of the shell 1).
- a receptacle 7 and 701 (Fig 2F) of Alumina pottery fixed on the exterior wall of the kiln for connecting electrical coils and the cords of the electrical couple and the temperature regulator 8.
- the temperature regulator 8 can be any known device and is beyond the scope of claim, therefore no more statement need be offered here.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
- This invention concerns a type of domestic electric kiln-heater which makes use of the same energy found in an ordinary electric radiator. That is, it benefits from the continuous flow of both steams and air which is drawn in and expelled from the chamber. This kiln-heater (example: electrical power 2000W, 110V) can produce high quality products of chinaware or pottery in just 1.50 minutes at 1280°C. It can at the same time increase the temperature in an area of 46 sq. metres (500 Ft2) by as much as 3°C and furthermore, boil 1500cc of water as well as steriiize the atmosphere. These are functions an average domestic radiator cannot hope to accomplish.
- The embodiments of this invention consist primarily of electrical coils (heat source) set around the inner wall of its heat resistant body frame. A cover with a hole and safety lock mechanism on the other side; a manually operated heat-outlet regulator; a water pipe (or plate form) for generating steam; a supporting plate which facilitates the spreading of steam throughout the inner chamber; and outside shell with double walls which serves as an air-cooling device and a temperature controller.
- This invention relates to a domestic electric kiln-heater. Of which its one specialty is in providing warmth to the home. From this heat one can at the same time bake high quality chinaware or pottery and make food or coffee as well. This electric device can be operated with ease and safety in the living room, bedroom or wherever one wishes.
- We have seen a trend recently in which the popularity of chinaware and pottery has gone up. Especially to those of us who enjoy collecting china and pottery. With this equipment, we need no longer just collect and admire them but have a hand at making our own in the convenience of our homes.
- The average electric furnace makes use of high concentrated electric heating when baking. They often fail to produce works that meet up to our standard. Moreover, the size and volume needs to be quite large so as to accommodate the required distance between the embryo and the electric coils, in order to avoid the cracks and deformations that come from improper placement. The effective space of said furnace ends up being too small to make large high quality chinaware or pottery.
- This invention makes use electrical power which is found in most household appliances. It is a domestic equipment for the benefit of the average person to make their own chinaware at home. To top this, there is the option of adjusting room temperature by changing the heat output. Or adjusting it so that fried chop-suey, steak or instant boiling water can be made, while the embryo is being baked. All the above options can be done with absolutely no harm to the baking process.
- To this end, the present invention provides a domestic electric kiln as disclosed in
Claim 1. Preferred embodiments are disclosed inclaims 2 to 6. Functions and Characteristics of the Invention: - (1) This invention of an electric kiln-heater utilizes the continuation of cold air drawn in and hot air expelled. The temperature and humidity are easily and quickly adjusted, without worrying about the heat limitation placed on the china or pottery, to prevent unattractive lines forming.
- (2) The steam and pressure inside said kiln-heater are always maintained at a steady level. Thus, improving on the common electric kiln. This invention is also capable of using the least time to complete a product of china or pottery, with the right hardness and the best quality.
- (3) This kiln heater possesses a continuous flow of steam and air in the chamber of the kiln as it is in use. It also provides a relatively large effective space for potting the embryo of chinaware or pottery, because the distance between said embryo and heat source need only be 15m/m.
- Therefore, relatively large high quality chinaware and pottery can be made (at 1280°C) without fear of cracks or deformations.
- (4) This device as a heater, is capable of maintaining the right humidity as well as give out heat. As cold and warm air enters the kiln chamber, more heat is applied and consequently sterilizes the hot air that is expelled.
- (5) The kiln cover is equipped with a manually operated heat-outlet regulator. Depending on the need, one can control the inner air volum of the kiln chamber by regulating the heat expelled. This phenomenon is guaranteed not to affect the china or pottery set within the chamber. For example, when the temperature inside the chamber reaches about 1200°C (that which is required by the china), we can adjust the heat-outlet regulator so that increased cold air enters the chamber and is quickly expelled at a hight temperature and at a greater volumn for the purpose of grilling steaks. This not only does not harm the china or pottery in the chamber but when done, one actually ends up with a better quality product.
- (6) This type of simple electric kiln-heater relies on steam and air to continuously flow in and out of the chamber. So the result is one of high quality product. As a heater, this device allows the air in a room to flow regularly so that the temperature in every corner can uniformly go up. This results in a good heating system. This invention achieves the usage and phenomenon of both kiln and heater. Moreover, this is a unique device in that the electric coil (heat source) produces heat that flows continuously and uniformly within the kiln chamber.
- The foregoing advantages and features of the present invention will become apparent from the following detailed description with the accompanying drawings. Brief Description Of The Drawina Fiaures
- Fig. 1 is a out-side view of the present invention;
- Fig. 2A if a transparent view of the present invention;
- Fig. 2B is a out-side view of the water pipe.
- Fig. 2C is a plan view of the kiln shell.
- Fig. 2D is a out-side view of the safety lock mechanism on the kiln cover.
- Fig. 2E is a out-side view of the supporting rack in the kiln chamber.
- Fig. 2F is out-side view of the Alumina pottery fixed on the exterior wall of the kiln for connecting electrical coile and electric current.
- Refering to Figs, the
frame body 1 of the kiln is made of heat resistant substance and is equipped withelectrical coils 101, 102, 103------- around in its inner wall. There are twoopenings 106, 107 formed on the bottom of the kiln.Pipe 2 is a water container which has twoopenings water inlet 203, another 201 is a heat conducting block, the other 202 is formed like an elbow part of thepipe 2 and serves as a steam outlet.Pipe 2 is set to the outside of the bottom by inserting theheat conducting block 201 and thesteam outlet 202 through the twoholes 106, 107 of the inner bottom of the kiln. A supportingrack 6 is placed in the kiln chamber to support the embryo of chinaware or pottery. When steam comes up from thehole 202 of the bottom, it will spread throughout the kiln chamber because of the blocking to therack 6, thus provides a continuous flow of steam and hot air in the chamber. Thecover 5 has anopening 501 in the center which is equipped with 503 a manually operated neat-outlet regulator for steam and hot air from the kiln chamber, wherein the temperature could rise to 1280°C. For the sake of safety and to prevent users opening the cover suddenly, asafety lock 4 is set on the side ofcover 5. Thesafety lock 4 is comprised of a bolt 405 with around head 401 which serves as a handle (Fig. 2D). The bolt 405, which is engaged with aball bearing 404 connected to thecover 5, can be screwed into anut 406 formed on the top of theframe body 1 of the kiln. When loosing thesafety lock 4, i.e., by screwing up thebolt 401 by turning theround handle 401, thecover 5 could be lifted, by moving thecover 5 to the other side, thus the kiln would be opened and one can put in or take out the embryo of chinaware or pottery. In addition to thesafety lock 4, there is alatch 502 set on the opposite side of thecover 5 for more assurance. When the kiln is in use, theheat conducting block 201 would receive the heat generated by the electrical coils, thus would vaporize the water contained in thepipe 2. The hot steam would be generated from thesteam outlet 202 of thepipe 2, then goes into the chamber. After spreading throughout the whole chamber, it finally escapes from theopening 501 of thecover 5, thus a continuous flow of steam and hot air would be mentioned in the chamber of the kiln. 503 is a kiln cover manually operated neat- outlet regulator. - The
shell 3 of the kiln consists of two separated metal plates (Fig. 2C), thus form an insulating space between, which serves as an air-cooling mechanism. That is, it can decrease temperatures from 1280°C (inside the kiln) to 50°C approximately (on the exterior surface of the shell 1). - A receptacle 7 and 701 (Fig 2F) of Alumina pottery fixed on the exterior wall of the kiln for connecting electrical coils and the cords of the electrical couple and the
temperature regulator 8. Thetemperature regulator 8 can be any known device and is beyond the scope of claim, therefore no more statement need be offered here.
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP85308995A EP0225952B1 (en) | 1985-12-11 | 1985-12-11 | A domestic electric kiln |
DE8585308995T DE3578451D1 (en) | 1985-12-11 | 1985-12-11 | ELECTRIC HOUSE DRYING OVEN. |
AT85308995T ATE54204T1 (en) | 1985-12-11 | 1985-12-11 | ELECTRIC HOUSEHOLD DRYING OVEN. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP85308995A EP0225952B1 (en) | 1985-12-11 | 1985-12-11 | A domestic electric kiln |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0225952A1 EP0225952A1 (en) | 1987-06-24 |
EP0225952B1 true EP0225952B1 (en) | 1990-06-27 |
Family
ID=8194473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85308995A Expired EP0225952B1 (en) | 1985-12-11 | 1985-12-11 | A domestic electric kiln |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0225952B1 (en) |
AT (1) | ATE54204T1 (en) |
DE (1) | DE3578451D1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1415660A (en) * | 1921-08-27 | 1922-05-09 | Mecky Company A | Electric heater |
HU168534B (en) * | 1971-09-16 | 1976-05-28 | ||
US4215265A (en) * | 1977-12-14 | 1980-07-29 | White Philip D | Method and apparatus for producing ceramic ware |
FR2453377A1 (en) * | 1979-04-04 | 1980-10-31 | Dupeux Ets M | Electric furnace for baking stacked ceramic workpieces - has vertical resistance heaters located between stacks to ensure uniform, rapid baking |
DE3303890A1 (en) * | 1983-02-05 | 1984-08-09 | MESAC Montage- und Service GmbH, 6360 Friedberg | Furnace provided with an electrical heating system |
IT1214778B (en) * | 1984-01-24 | 1990-01-18 | Giovanni Santilli | INTEGRATED PORTABLE OVEN COMPLEX AND RELATED HEAT SOURCE |
EP0162832A1 (en) * | 1984-04-09 | 1985-11-27 | Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) | Furnace, in particular an electric furnace |
-
1985
- 1985-12-11 AT AT85308995T patent/ATE54204T1/en not_active IP Right Cessation
- 1985-12-11 EP EP85308995A patent/EP0225952B1/en not_active Expired
- 1985-12-11 DE DE8585308995T patent/DE3578451D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3578451D1 (en) | 1990-08-02 |
EP0225952A1 (en) | 1987-06-24 |
ATE54204T1 (en) | 1990-07-15 |
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