CN102232801B - Electric oven - Google Patents
Electric oven Download PDFInfo
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- CN102232801B CN102232801B CN201010162784.XA CN201010162784A CN102232801B CN 102232801 B CN102232801 B CN 102232801B CN 201010162784 A CN201010162784 A CN 201010162784A CN 102232801 B CN102232801 B CN 102232801B
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- Prior art keywords
- axial
- oven
- electric
- food
- flow
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
- F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
- F24C15/325—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation electrically-heated
Abstract
A kind of electric oven, comprise: shell, baking box portion, oven cavity and oven door, electric heater, convection fan, above-mentioned convection fan is two axial-flow fans, and axial-flow fan is separately positioned on the left and right sides of the oven cavity outside in baking box portion, near axial-flow fan, arrange electric heater.Being formed in oven cavity inside keeps flow direction relatively stable and the air-flow circulated, heat in oven cavity is distributed more even, when thermal air current crosses food, heat exchange can be carried out more equably with food, make the temperature rise situation of food each several part keep stable, improve the cooking speed of food.
Description
Technical field
The present invention relates to the technical field of electric oven, be specifically a kind of both sides in baking box portion respectively correspondence axial-flow fan is set as convection fan, two fans rotate simultaneously and make the hot-air of oven cavity inside keep the electric oven of uniform circulation.
Background technology
Usually, baking box is a kind of kitchen utensils utilizing high temperature hot gas cooking food in the space closed.Gas burning roastor and electric oven is divided into according to the kind of thermal source.By baking box with directly combine can form oven to the stove that food carries out heating cooking.
Gas burning roastor is that to use take combustion gas as several gas-cookers of thermal source, the cooking equipment of the flame cooking food utilizing gas-cooker to produce, and electric oven take electric energy as thermal source, the kitchen appliance of the heat cooking food utilizing several heaters to discharge.That is, gas burning roastor is using combustion gas as thermal source, utilizes the kitchen appliance of radiant heat and heat conduction cooking food; Electric oven is using electric power as thermal source, utilizes the cooking apparatus of advection heat and radiant heat and heat conduction cooking food.
Because electric oven can the simultaneously inside of heat food and surface, therefore gas burning roastor cooking speed is faster relatively, the thermal efficiency and security high, therefore utilization rate just constantly increases.
Below, with reference to accompanying drawing, electric oven is described.
Fig. 1 is the outside schematic diagram of the electric oven of prior art; Fig. 2 is the sectional view of the electric oven of prior art; Fig. 3 is air recurrent state schematic diagram in the electric oven of prior art.
As shown in Figure 1 to Figure 3, electric oven comprises and forms the outward appearance of electric oven, holds and the shell of the protection setting all parts in portion in the enclosure; The container putting food is heated, to the stove portion, top 10 that the food in container is cooked; To the control part 20 that the action of electric oven controls; By the baking box portion 30 that the thermal convection current of enclosure space is cooked food; For scalding food or simply cook, and preserve the drawer 40 of food.
The top of electric oven is provided with stove portion, top 10, the end face in stove portion, top 10 is closed by glass-ceramic top board 12.The downside of top board 12 is provided with several stove 14, is that thermal source produces heat with electricity.The below in stove portion, top 10, is provided with the control part 20 regulated the work of electric oven.
The side, front of control part 20 is formed with the display part 22 shown electric oven operating state and cooking time etc.The opposite side of display part 22 is provided with the operation knob 24 regulating electric oven for user.In this operation knob 24, comprise corresponding to the operation knob 24 of each stove 14 and for regulating the operation knob 24 of drawer 40.
The below of control part 20 is provided with baking box portion 30, and baking box portion 30 take electricity as thermal source, and the heat utilizing multiple electric heater to produce is cooked food.The front in baking box portion 30 is provided with oven door 32, optionally the front in opening and closing baking box portion 30, the front upper of oven door 32, gives prominence to forward and is formed with the door handle 34 that user can be allowed to hold.
The front of oven door 32, is provided with front perspective window 36, and front perspective window 36 confirms from outside to the food cooking state of inside, baking box portion 30 for user.The below in baking box portion 30 is provided with drawer 40, and drawer 40 is for food or the preservation food of scalding.Drawer 40 has the open rectangular structure of end face, the front of drawer 40, caves inward and is formed for user the drawer handle 42 taken, for user taking.
The inside in baking box portion 30 is formed with oven cavity 30a, and oven cavity 30a is the space for cooking food.The end face of oven cavity 30a, being provided with electricity is thermal source, produces heat, to the top electric heater 38 that food is cooked; The bottom surface of oven cavity 30a, is provided with and acts on identical bottom electric heater 38a with top electric heater 38.
Also comprise the base panel forming oven cavity 30a bottom surface and the back panel forming the back side in addition.The downside of base panel, is provided with bottom electric heater 38a.After switching on power to electric oven, bottom electric heater 38a is that thermal source generates heat with electricity.
Under lower heater 38a heating functioin, the base panel forming oven cavity 30a bottom surface is heated.When base panel is heated by bottom electric heater 38a, heat conduction is inner to oven cavity 30a, namely be positioned at the food of oven cavity 30a inside, cooked by the advection heat caused by radiant heat and heat by conduction in the heat by conduction of the radiant heat of top electric heater 38, lower heater 38a and enclosure space.
Form the back panel at the oven cavity 30a back side, its front is outstanding is forward formed with convection cavity 50, and convection cavity 50 allows the hot gas of oven cavity 30a inside circulate.The rear side of convection cavity 50 is provided with the convection motor 52 producing rotary power.Convection motor 52 utilizes power supply to produce rotary power, allows the convection fan 54 being assembled in motor shaft 52a rotate.
Convection fan 54 has multiple wing, allows the air of oven cavity 30a inside circulate.Around the peripheral surface of convection fan 54, be formed with the convection type heater 56 that diameter is greater than convection fan 54.Convection type heater has round-shaped, is that thermal source produces heat with electricity.
The convective cover 58 forming convection cavity 50 inner space has round-shaped, the outstanding formation forward from the oven cavity 30a back side.That is, the inner space of convection cavity 50 is formed by convective cover 58, and convection fan 54 and convection type heater 56 are arranged on interior volume.The front center position of convective cover 54, is formed with suction inlet 60, for sucking the air of oven cavity 30a inside.
The below in baking box portion 30, is provided with and scalds food or preserve the drawer 40 of food with tepid state.Drawer 40 has the open rectangular structure of end face.The front of drawer 40, caves inward and is formed for user the drawer handle 42 taken.The inside top surface of drawer 40, is formed with drawer electric heater 44, to the heat that the supply of drawer 40 inside is certain.
Drawer electric heater 44 is formed in end face or bottom surface, but also can be formed in end face and bottom surface simultaneously.Drawer 40 utilizes the heating of drawer 44, scald food or with warm state preserve food.
Convective cover 58 has circular configuration, forwards gives prominence to from back panel 30b.The front center portion of convective cover 58, is formed with sucting 58a, and sucting 58a has multiple hole, for sucking air.
The side of convective cover 58, perforation is formed with exhaust portion 58b.Exhaust portion 58b is for discharging the air heated by convection type heater 56.This exhaust portion 58b is formed in up and down by the side along convective cover 58, multiple holes of left and right sides are formed.
The air of oven cavity 30a inside, flows into the inside of convection cavity 50 by sucting 58a.Leaked-in air is heated by convection type heater 56, becomes high temperature air.High temperature air is blowed by convection fan 54, flows through exhaust portion 58b, is blown into the inside of oven cavity 30a.
Under the turning effort of convection fan 54, be blown into the air of oven cavity 30a inside, together with the hot gas produced by top electric heater 38 and bottom electric heater 38a, to the food of oven cavity 30a inside, cook.Carry out cooled air in the process of cooking, be again inhaled into convection cavity 50 inner, after being heated by convection type heater 56, be again blown into oven cavity 30a inner.By allowing heating air repeatedly circulate, to the food of oven cavity 30a inside, cook.
But, there is following not foot point in prior art as above:
In the electric oven of above-mentioned prior art, adopt single centrifugal fan as convection fan, and convection fan is arranged on the centre position corresponding to oven cavity rear portion, when electric oven works, air is entered into the convection cavity surrounding convection fan by the axis of centrifugal fan, then vertically direction is changed, disperse from the direction perpendicular to fan shaft to convection fan outside, the air quantity that centrifugal fan produces is lower, the air Rapid Circulation of oven cavity inside cannot be made to flow, the heat that electric heater produces also just fast and effeciently cannot act on food, cause heat waste, and centrifugal fan rotate produce air flowing and uneven, cannot heat food equably.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of both sides in baking box portion respectively correspondence axial-flow fan is set as convection fan, two fans rotate simultaneously and make the hot-air of oven cavity inside keep the electric oven of uniform circulation.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
Electric oven of the present invention, comprising: shell, forms the outward appearance of electric oven, holds and all parts in protection setting portion in the enclosure; Baking box portion, is formed the main body of electric oven, is cooked by the thermal convection current of enclosure space to food; Oven cavity and oven door, be arranged in baking box portion, forms the confined space of the hollow of cooking food; Electric heater, is arranged in baking box portion, produces heat and heats the food in oven cavity; Convection fan, is arranged in baking box portion, and rotate and the hot air circulate in oven cavity is flowed, above-mentioned convection fan is two axial-flow fans, and axial-flow fan is separately positioned on the left and right sides of the oven cavity outside in baking box portion, near axial-flow fan, arrange electric heater.
The present invention also can by the following technical solutions:
The specification of two described axial-flow fans is identical with parameter, and it is identical that both are arranged on the height arranged in baking box portion.
The direction of rotation of two axial-flow fans when electric oven works is identical.
Contrary and corresponding about airintake direction and outgassing direction during two axial-flow fans work, namely the airintake direction of left axial-flow fan corresponds to the outgassing direction of right axial-flow fan, and the outgassing direction of left axial-flow fan is corresponding to the airintake direction of right axial-flow fan simultaneously.
Arrange multiple electric heater respectively in the both sides of oven cavity, axial-flow fan is separately positioned between electric heater.
Electric heater is arranged respectively and contacts fixing radiator with electric heater.
Guiding volute is set respectively around two axial-flow fans, guides volute to have air inlet and gas outlet, the gas outlet of the corresponding right guiding volute of air inlet of left guiding volute, the air inlet of the corresponding right guiding volute in gas outlet of left guiding volute.
The advantage that the present invention has and good effect are:
In electric oven of the present invention, convection fan is made up of the axial-flow fan being arranged on both sides, baking box portion, the both sides of axial-flow fan arrange electric heater simultaneously, and it is contrary and corresponding about airintake direction and outgassing direction during two axial-flow fans work, namely the airintake direction of left axial-flow fan corresponds to the outgassing direction of right axial-flow fan, and the outgassing direction of left axial-flow fan corresponds to the airintake direction of right axial-flow fan simultaneously.Two axial-flow fan rotating in same directions when electric oven is started working, when the air flowed out from axial-flow fan flows through electric heater, temperature raises, and enter in oven cavity, flowing through around food utilizes hot-air to heat food, due to the air intake direction of two axial-flow fans in left and right with air-out direction is contrary and position is mutually corresponding, can be formed in oven cavity inside keeps flow direction relatively stable and the air-flow circulated, heat in oven cavity is distributed more even, when thermal air current crosses food, heat exchange can be carried out more equably with food, the temperature rise situation of food each several part is made to keep stable, improve the cooking speed of food.
Accompanying drawing explanation
Fig. 1 is the outside schematic diagram of the electric oven of prior art;
Fig. 2 is the internal structure sectional view of the electric oven of prior art;
Fig. 3 is air recurrent state schematic diagram in the electric oven of prior art;
Fig. 4 is the internal structure schematic diagram of electric oven of the present invention;
Fig. 5 be electric oven of the present invention oven cavity outside the structural representation of axial-flow fan;
Fig. 6 is the structural representation around the radiator of electric heater setting in electric oven of the present invention.
Critical piece symbol description in accompanying drawing:
Detailed description of the invention
Referring to drawings and Examples, the present invention will be described in detail.
Fig. 4 is the internal structure sectional view of electric oven of the present invention; Fig. 5 be electric oven of the present invention oven cavity outside the structural representation of axial-flow fan; Fig. 6 is the structural representation around the radiator of electric heater setting in electric oven of the present invention.
As shown in Figures 4 to 6, in electric oven of the present invention, comprising: shell, form the outward appearance of electric oven, hold and all parts in protection setting portion in the enclosure; Baking box portion 30, is formed the main body of electric oven, is cooked by the thermal convection current of enclosure space to food; Oven cavity 30a and oven door 32, be arranged in baking box portion, forms the confined space of the hollow of cooking food; Electric heater 60, is arranged in baking box portion, produces heat and heats the food in oven cavity; Convection fan, is arranged in baking box portion, rotates and the hot air circulate in oven cavity is flowed.
Baking box portion is the part of carrying out Large Copacity culinary art, has the multiple electric heaters utilizing electricity to produce heat.The heat that baking box portion utilizes each electric heater to produce, namely each electric heater is to the warm of the radiant heat of space radiation closed, advection heat and iron plate conduction, carries out food cooking.Baking box portion can carry out Large Copacity culinary art, and food can be allowed to keep former taste original flavor.
The front in baking box portion, is provided with the oven door 32 of baking box portion being carried out with being allowed a choice to opening and closing.Oven door is combined by certain articulated structure, can rotate up and down.The front upper of oven door, gives prominence to forward and is formed with door handle, for user's opening and closing oven door.
The front upper of oven door is formed with door row outlet.When the internal temperature of oven cavity rises to high temperature, the temperature of oven door is also in the condition of high temperature.At this moment, outside cold air flow into oven door inside, after cooling, is discharged by door row phase place of portalling oven door.
In addition, the central part of oven door, is formed with front perspective window.User, when cooking, can be confirmed by front perspective window, the food cooking state of inside, baking box portion.
Above-mentioned convection fan is two axial-flow fan 54a, and axial-flow fan is separately positioned on the left and right sides of the oven cavity 30a outside in baking box portion.The fan shaft of two axial-flow fans and the bottom surface keeping parallelism of oven cavity, and coexist in a parallel surface, fan shaft is also parallel with the sidewall of oven cavity, namely two axial-flow fans be arranged in parallel relative to the depth direction, front and back of oven cavity, near left and right axial-flow fan, both sides arrange two electric heaters 60 respectively, each axial-flow fan is just arranged on the position between two electric heaters, thus is brought into by the heat of electric heater in the air circulated.
After closing baking box portion, user switches on power to electric oven, and multiple electric heater carries out operational heat, and the temperature of oven cavity is by the high temperature risen to needed for culinary art.
During electric oven work, two axial-flow fans being positioned at both sides, baking box portion start to rotate, and the air in oven cavity is along with axial-flow fan and then start to circulate.Contrary and corresponding about airintake direction and outgassing direction during two axial-flow fans work, namely the airintake direction of left axial-flow fan corresponds to the outgassing direction of right axial-flow fan, and the outgassing direction of left axial-flow fan is corresponding to the airintake direction of right axial-flow fan simultaneously.Guiding volute is set respectively around two axial-flow fans, guides volute to have air inlet and gas outlet, the gas outlet of the corresponding right guiding volute of air inlet of left guiding volute, the air inlet of the corresponding right guiding volute in gas outlet of left guiding volute.Guiding volute is set respectively around two axial-flow fans, guides volute to have air inlet and gas outlet, the gas outlet of the corresponding right guiding volute of air inlet of left guiding volute, the air inlet of the corresponding right guiding volute in gas outlet of left guiding volute.Because axial-flow fan is arranged between electric heater, when air flows through electric heater when being inhaled into the axial-flow fan of side, air is heated once, temperature raises, and the electric heater of axial-flow fan side is again flow through when air flows out from axial-flow fan, air is again by heat temperature raising, then hot-air enters in oven cavity, with food generation exchange heat in the process flowing through food, air themperature declines, then sucked by the axial-flow fan of oven cavity opposite side when air continues flowing, another electric heater is flow through in the process be inhaled into, heat temperature raising again, repeat said process thus complete the hot air circulate flowing in oven cavity.In figure, the hollow arrow of oven cavity inside is the signal of the flow direction of air-flow.
The specification of two axial-flow fans is identical with parameter, and it is identical that both are arranged on the height arranged in baking box portion, and the air-flow produced when axial-flow fan is rotated keeps evenly and balance.The direction of rotation of two axial-flow fans when electric oven works is identical, to keep the circulation of air-flow.
In the both sides of oven cavity, multiple electric heater 60 is set respectively, axial-flow fan 54a is separately positioned between electric heater, electric heater is arranged respectively and contacts fixing radiator 61 with electric heater, radiator is made up of the multiple fins be arranged in parallel, arrange through hole in the middle of fin, electric heater passes through hole and fixes with radiator, and heat is delivered on radiator by electric heater, expand heat exchange area when making air flow through electric heater, air can be heated fully.
In electric oven of the present invention, convection fan is made up of the axial-flow fan being arranged on both sides, baking box portion, the both sides of axial-flow fan arrange electric heater simultaneously, and it is contrary and corresponding about airintake direction and outgassing direction during two axial-flow fans work, namely the airintake direction of left axial-flow fan corresponds to the outgassing direction of right axial-flow fan, the outgassing direction of left axial-flow fan corresponds to the airintake direction of right axial-flow fan simultaneously, two axial-flow fan rotating in same directions when electric oven is started working, when the air flowed out from axial-flow fan flows through electric heater, temperature raises, and enter in oven cavity, flowing through around food utilizes hot-air to heat food, due to the air intake direction of two axial-flow fans in left and right with air-out direction is contrary and position is mutually corresponding, can be formed in oven cavity inside keeps flow direction relatively stable and the air-flow circulated, heat in oven cavity is distributed more even, when thermal air current crosses food, heat exchange can be carried out more equably with food, the temperature rise situation of food each several part is made to keep stable, improve the cooking speed of food.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention with preferred embodiment openly as above, but, and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly the technology contents of announcement can be utilized to make a little change or modification, become the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (5)
1. an electric oven, comprising: shell, forms the outward appearance of electric oven, holds and all parts in protection setting portion in the enclosure; Baking box portion, is formed the main body of electric oven, is cooked by the thermal convection current of enclosure space to food; Oven cavity and oven door, be arranged in baking box portion, forms the confined space of the hollow of cooking food; Electric heater, is arranged in baking box portion, produces heat and heats the food in oven cavity; Convection fan, be arranged in baking box portion, rotate and the hot air circulate in oven cavity is flowed, it is characterized in that: above-mentioned convection fan is two axial-flow fans, axial-flow fan is separately positioned on the left and right sides of the oven cavity outside in baking box portion, near axial-flow fan, arrange electric heater; The specification of two axial-flow fans is identical with parameter, and it is identical that both are arranged on the height arranged in baking box portion; Contrary and corresponding about airintake direction and outgassing direction during two axial-flow fans work, namely the airintake direction of left axial-flow fan corresponds to the outgassing direction of right axial-flow fan, and the outgassing direction of left axial-flow fan is corresponding to the airintake direction of right axial-flow fan simultaneously.
2. electric oven according to claim 1, is characterized in that: the direction of rotation of two axial-flow fans when electric oven works is identical.
3. electric oven according to claim 1, is characterized in that: arrange multiple electric heater respectively in the both sides of oven cavity, axial-flow fan is separately positioned between electric heater.
4. electric oven according to claim 3, is characterized in that: electric heater is arranged respectively and contacts fixing radiator with electric heater.
5. electric oven according to claim 1, it is characterized in that: around two axial-flow fans, guiding volute is set respectively, volute is guided to have air inlet and gas outlet, the gas outlet of the corresponding right guiding volute of air inlet of left guiding volute, the air inlet of the corresponding right guiding volute in gas outlet of left guiding volute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010162784.XA CN102232801B (en) | 2010-05-05 | 2010-05-05 | Electric oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010162784.XA CN102232801B (en) | 2010-05-05 | 2010-05-05 | Electric oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102232801A CN102232801A (en) | 2011-11-09 |
| CN102232801B true CN102232801B (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010162784.XA Expired - Fee Related CN102232801B (en) | 2010-05-05 | 2010-05-05 | Electric oven |
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| Country | Link |
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| CN (1) | CN102232801B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424867A (en) * | 2019-08-09 | 2019-11-08 | 安徽冠东科技有限公司 | A kind of hiding handle type door gear |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105996803A (en) * | 2016-07-08 | 2016-10-12 | 美得彼烹饪设备制造(上海)有限公司 | Table type bake oven with air guide barrels |
| CN106724911A (en) * | 2017-01-20 | 2017-05-31 | 华帝股份有限公司 | Kitchen range and electric oven integrated machine |
| CN210055716U (en) * | 2018-11-26 | 2020-02-14 | 汪玉华 | Hot air frying box |
| CN114587160A (en) * | 2020-12-07 | 2022-06-07 | 广东美的生活电器制造有限公司 | Cooking utensil |
| CN114587156A (en) * | 2020-12-07 | 2022-06-07 | 广东美的生活电器制造有限公司 | Cooking utensil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20060116563A (en) * | 2005-05-10 | 2006-11-15 | 삼성전자주식회사 | Heating cooker |
| CN200982686Y (en) * | 2006-12-08 | 2007-11-28 | 浙江苏泊尔家电制造有限公司 | Super thin electromagnetic oven |
| KR20080021937A (en) * | 2006-09-05 | 2008-03-10 | 엘지전자 주식회사 | Cooking device |
| CN101611732A (en) * | 2008-06-24 | 2009-12-30 | 株式会社东芝 | Heating device |
-
2010
- 2010-05-05 CN CN201010162784.XA patent/CN102232801B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060116563A (en) * | 2005-05-10 | 2006-11-15 | 삼성전자주식회사 | Heating cooker |
| KR20080021937A (en) * | 2006-09-05 | 2008-03-10 | 엘지전자 주식회사 | Cooking device |
| CN200982686Y (en) * | 2006-12-08 | 2007-11-28 | 浙江苏泊尔家电制造有限公司 | Super thin electromagnetic oven |
| CN101611732A (en) * | 2008-06-24 | 2009-12-30 | 株式会社东芝 | Heating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424867A (en) * | 2019-08-09 | 2019-11-08 | 安徽冠东科技有限公司 | A kind of hiding handle type door gear |
| CN110424867B (en) * | 2019-08-09 | 2020-09-01 | 安徽冠东科技有限公司 | Handle-hidden door device |
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| Publication number | Publication date |
|---|---|
| CN102232801A (en) | 2011-11-09 |
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Granted publication date: 20160120 Termination date: 20180505 |