KR20170059627A - fireplace having boiler - Google Patents

fireplace having boiler Download PDF

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Publication number
KR20170059627A
KR20170059627A KR1020150163798A KR20150163798A KR20170059627A KR 20170059627 A KR20170059627 A KR 20170059627A KR 1020150163798 A KR1020150163798 A KR 1020150163798A KR 20150163798 A KR20150163798 A KR 20150163798A KR 20170059627 A KR20170059627 A KR 20170059627A
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KR
South Korea
Prior art keywords
boiler
hole
piece
fireplace
heat
Prior art date
Application number
KR1020150163798A
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Korean (ko)
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KR101806627B1 (en
Inventor
김보름
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김보름
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Priority to KR1020150163798A priority Critical patent/KR101806627B1/en
Publication of KR20170059627A publication Critical patent/KR20170059627A/en
Application granted granted Critical
Publication of KR101806627B1 publication Critical patent/KR101806627B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/183Stoves with open fires, e.g. fireplaces with additional provisions for heating water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/191Component parts; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/34Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

Disclosed is a fireplace provided with a boiler. The fireplace comprises a fireplace body having a combustion chamber and a top surface having a rear surface and a side surface, a bottom surface and a smoke outlet, The upper portion of the rear face 10a of the fireplace body 10 is further provided with a boiler coupling portion 12 communicating with the combustion chamber 11 of the fireplace body 10, The boiler coupling portion 12 is provided with a seat support portion 13 connected to the boiler coupling portion 12 and connected to the boiler coupling portion 12. The boiler coupling portion 12 is extended from the boiler coupling portion 12 to the upper side of the combustion chamber 11, And a boiler 20 mounted on the seat support portion 13 for heating water circulated by the heat generated in the combustion chamber 11.

Description

A fireplace having boiler

The present invention relates to a fireplace provided with a boiler, and more particularly, to a fireplace provided with a boiler at an upper portion of a fireplace to provide indoor heating and floor heating by heat generated by the fireplace.

Generally, a fireplace is a type of heating device that is installed in an indoor wall surface of a building or a living room of a house, and the heat of combustion generated by burning a solid fuel such as firewood is diverted and released into the room, thereby heating the room in the winter season.

In addition, the fireplace is proposed as a variety of unique designs, and it is also used as an interior side to enhance the interior atmosphere while being installed in the living room in the season except for the winter season. The door provided in the front part of the combustion chamber, And is made of transparent glass such as tempered glass, so that the burned state of firewood or firewood in the combustion chamber is exposed to the outside to obtain a visual effect.

However, the conventional fireplace has a problem that the heating effect is lowered simply by heating indoor air.

That is, since the heat generated by the fireplace radiates to the room side through the fireplace body or the door, the indoor air in the room where the fireplace is installed is heated by the heat of the fireplace, Since the heat of the fireplace is not transmitted to the floor of the room at all, the indoor floor heating is performed by using the hot water circulating through the boiler.

Accordingly, in order to simultaneously perform indoor heating for raising the air and floor heating for raising the temperature of the floor, it is necessary to burn the fuel in the fireplace as well as to operate the boiler, There is a problem that not only the economy is inefficient from the viewpoint of consumption of oil, but also the heat efficiency against the heat of the fireplace is greatly deteriorated.

In the prior art, an energy saving fireplace apparatus having a boiler function, which is a registration room 20-0364748, has been developed. In the heating apparatus for installing a fireplace and a boiler together, And the upper and lower water pipes are connected to the upper and lower sides of the side surface of the water tank and connected to the heating pipe so as to allow water to flow in or out from the upper pipe connection part, And a lower pipe connecting portion is formed on the upper side of the water tank and a safety valve is provided on the upper side of the water tank for discharging the pressure air when the internal pressure is increased, a boiler connected to the fireplace through the heating pipe, A distributor for circulating the water through each of the individual pipes, and a heater disposed in the heating pipe of the fireplace A circulation motor installed on one side of the heating pipe for on or off according to a sensed temperature of the heating pipe to forcibly circulate or stop water in the heating pipe; And a boiler-side ball valve installed in the heating pipe on the boiler side for opening and closing water flowing into / out of the boiler-side.

In this conventional technology, the heat generated by the fireplace is used to simultaneously heat the indoor air and the floor, thereby improving the thermal efficiency.

However, in the conventional art, since the water tank heated by the fireplace is provided on the back surface of the fireplace, the heating time of the water tank is delayed and the hot water heated by the water tank is circulated by the circulating motor There is a problem that the noise of the motor is generated, and there is a problem that it has a complicated configuration such as a temperature sensor and a ball valve.

In addition, the heat generated from the fireplace is directly discharged by the damper like smoke, which causes a problem that the thermal efficiency is greatly deteriorated.

Korea Registered Practitioner 20-0364748 (Registered on April 4, 2004) Korea Registration Office 20-0465815 (Registered on March 3, 2013)

The present invention provides a boiler at the upper part of a fireplace to facilitate the boiler warming and to heat the heat generated by burning the fuel such as firewood and circulated through the boiler to be accumulated by the heat storage bar, The present invention provides a fireplace equipped with a boiler for facilitating the cleaning and repair work of the boiler by allowing the boiler to be detached from the fireplace.

In order to attain the above object, a fireplace provided with a boiler according to the present invention comprises: a front surface having a door and a receptacle; a rear surface having an air inlet; a top surface having a bottom surface and a smoke outlet; Wherein a boiler coupling portion communicating with a combustion chamber of the fireplace body is further provided on an upper portion of a rear face of the fireplace body and a seat support portion connected to the boiler fitting portion is further provided on the combustion chamber, The boiler further includes a boiler which is drawn into the combustion chamber upper portion from the boiler coupling portion and is seated on a seat support portion provided in the upper portion of the combustion chamber and warms the water circulated by the heat generated in the combustion chamber.

Furthermore, the boiler further includes: a bottom frame having a central air inlet hole; A boiler body extending vertically to an upper side of the bottom frame and having a first heat exhausting hole at a periphery thereof; A second heat exhausting hole located on the upper portion of the boiler body and having a bolt fastening hole and a through hole on both sides of the support, respectively; A fixing plate fixed by welding with the boiler body and covering a boiler coupling portion provided at an upper portion of the rear surface of the fireplace body; A spiral hot water circulation tube provided in the boiler body and having inlet and outlet portions exposed from the fixing plate; A heat storage bar accommodated in the boiler body so as to be located inside the spiral hot water circulation pipe and having a fastening bolt passing through a bolt fastening hole of the support stand at an upper end thereof; A fixing nut fastened to a fastening bolt of the heat storage rod passing through a bolt fastening hole of the support plate to firmly fix the heat storage rod to the support base; A first circulation passage positioned between the hot water circulation pipe and the heat storage bar; And a second circulation passage positioned between the inner surface of the boiler body and the hot water circulation pipe.

Further, a plurality of first piece coupling holes are further formed in the circumference of the boiler coupling portion, and upper and lower portions of the plurality of first piece coupling holes provided in the circumferential portion of the boiler coupling portion are formed in the upper and lower portions of the boiler coupling portion, And a second piece coupling hole corresponding to a first piece coupling hole located at a lower portion of the boiler coupling portion, wherein a plurality of first piece coupling holes provided on both sides of the boiler coupling portion are formed on both sides of the boiler coupling portion, A first piece-fitting hole and a second piece-fitting hole, which are located at upper and lower portions of the boiler fitting portion, and a second piece-fitting hole and a semicircular piece- And a piece for connecting and fixing the first piece-fitting hole and the piece-fixing hole, which are located at both sides of the boiler coupling portion, among the coupling holes.

Since the boiler body is further provided with the boiler body, it is possible not only to heat the room air but also to supply the hot water required for heating the floor of the room, so that the boiler body is very efficient in terms of economy and is detachable from the fireplace body Therefore, it is easy to clean the boiler body, and the heat efficiency can be greatly improved because heat can be stored without discharging the heat by circulation of heat.

1 is a perspective view showing a fireplace equipped with a boiler according to the present invention.
2 is an exploded perspective view showing the construction of a fireplace provided with a boiler according to the present invention.
3 is a partially cutaway exploded perspective view showing a boiler of a fireplace provided with a boiler according to the present invention.
4 is a front view showing the construction of a fireplace provided with a boiler according to the present invention.
5 is an enlarged front view of a fireplace provided with a boiler according to the present invention.
6 is a side view showing the construction of a fireplace provided with a boiler according to the present invention.
7 is an enlarged view of a side view of a fireplace provided with a boiler according to the present invention.

Hereinafter, other objects and features of the present invention will be apparent from the following description of embodiments with reference to the accompanying drawings.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted in an ideal or overly formal sense unless explicitly defined in the present application Do not.

Hereinafter, a fireplace provided with a boiler according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

As shown in the drawings, the fireplace provided with the boiler according to the present invention comprises a fireplace body having a front face having a door and a receptacle, a top face having a rear face and a side face having an air inlet, a bottom face and a smoke outlet, The upper part of the rear face 10a of the fireplace body 10 is further provided with a boiler coupling part 12 communicating with the combustion chamber 11 of the fireplace body 10. In the upper part of the combustion chamber 11, The boiler coupling part 12 is provided with a seat support part 13 connected to the boiler coupling part 12. The boiler coupling part 12 is extended from the boiler coupling part 12 to the upper side of the combustion chamber 11, And a boiler 20 mounted on the seat support portion 13 provided in the combustion chamber 11 and heating the water circulated by the heat generated in the combustion chamber 11.

The combustion chamber 11 of the fireplace body 10 means a space in which a fuel such as firewood is burnt therein. The heat generated as the fuel is burned in the combustion chamber 11 is transferred to the fireplace body 10 The temperature of the air in the room where the fireplace body 10 is located is elevated to the upper side of the combustion chamber 11 and transferred to the boiler 20 located at the upper side of the combustion chamber 11.

The heat transferred to the boiler 20 warms up the boiler 20 and thus the water circulated by the boiler 20 is warmed and the hot water necessary for the indoor floor is supplied to the indoor floor.

At this time, the structure in which hot water heated by the boiler 20 is transferred to the floor of the room is not much different from a general boiler structure, and a detailed description thereof will be omitted.

As described above, since the heat generated in the combustion chamber 11 can supply the heat source necessary for indoor floor heating as well as indoor air heating, the heat efficiency can be greatly improved and the economical efficiency can be obtained by cost reduction.

The boiler 20 of the present invention includes a bottom frame 21, a boiler body 22, a support 23, a fixing plate 24, a hot water circulation pipe 25, a heat storage rod 26, a fixing nut 27 , A first circulation passage (28), and a second circulation passage (29).

The bottom frame 21 is provided with an opening 21a at the center so that the heat generated in the combustion chamber 11 and flows upward through the opening 21a.

The bottom frame 21 is seated and supported on a seat support portion 13 provided at an upper portion of the combustion chamber 11 of the stroller body 10.

The boiler body 22 may have a rectangular shape as shown in the drawings, and may have various shapes other than a rectangular shape as required.

The boiler body 22 is mounted on the upper surface of the bottom frame 21 and connected to the bottom frame 21 by a welding operation so as to extend vertically to the upper side of the bottom frame 21, And a discharge hole 22a is provided.

The first heat discharging hole 22a discharges the heat introduced into the boiler body 22 through the heat receiving hole 21a, The heat is not directly discharged through the first heat exhaust hole 22a but is circulated through the inside of the boiler body 22 and then discharged downward to the first heat exhaust hole 22a.

The support base 23 is located on the upper portion of the boiler body 22 and has a bolt fastening hole 23a and a second heat exhaust hole 23b which is respectively communicated with both sides of the support 23.

The second heat discharging hole 23b is a hole through which a part of the heat introduced through the heat receiving hole 21a is discharged through the second heat discharging hole 23b.

The support rod 23 fixes the heat accumulation rod 26 and the heat accumulation rod 26 is fixed and supported by the supporter 23 so that the heat accumulation rod 26 is supported by the boiler body 22 It is possible to securely be positioned inside the frame.

The fixing plate 24 is fixed by welding with the boiler body 22 and covers the boiler fitting portion 12 provided at the upper portion of the rear face of the fireplace body 10, When the boiler body 22 is pulled up to the side of the boiler coupling portion 12 provided at the upper portion of the rear face of the fireplace body 10 and the boiler body 22 is positioned at the upper portion of the combustion chamber 11, So as to prevent heat from escaping through the boiler coupling portion 12. [

The hot water circulation pipe 25 is provided inside the boiler body 22 and an inlet 25a and an outlet 25b are exposed from the fixing plate 24 and the outside of the heat storage rod 26 It is made up of wrapping spirals.

The hot water circulation pipe 25 is a means for supplying hot water required for indoor floor heating or hot water to be used, and the heat introduced through the hot water inlet hole 21a circulates inside the boiler body 22, The hot water is heated in the process of being discharged to the first heat exhaust hole 22a and the second heat exhaust hole 23b and heated by the heat accumulated by the heat storage bar 26 to circulate hot water.

The heat of the hot water circulation pipe 25 due to the heat accumulated in the boiler body 22 as well as the accumulated heat of the heat storage bar 26 can be obtained even if no further combustion takes place in the combustion chamber 11 of the fireplace, Heat efficiency can be greatly improved.

The heat accumulating rods 26 are accommodated in the boiler body 22 so as to be located inside the spiral hot water circulation pipe 25 and are fastened to the bolt fastening holes 23a of the booster body 23 26a are provided at the upper end.

At this time, the heat storage rod 26 may have a hollow structure or a completely closed structure, and the heat introduced through the heat introduction hole 21a may flow into the first heat exhaust hole 22a and the second heat The heat circulated in the boiler body 22 is transferred and accumulated in the process of being circulated and discharged to the discharge hole 23b side.

The fixing nut 27 is fastened to the fastening bolt 26a of the heat storage rod 26 passing through the bolt fastening hole 23a of the support 23 so that the heat storage rod 26 is supported by the support table 23, The fastening bolt 26a of the heat storage bar 26 is firmly fastened to the support table 23 by the fixing nut 27 as described above so that the support for the heat storage bar 26 It is possible.

The first circulation passage 28 is located between the hot water circulation pipe 25 and the heat storage rod 26 and the second circulation passage 29 is located between the inner surface of the boiler body 22 And the hot water circulation pipe (25).

The heat received through the hot air inlet hole 21a flows through the first circulation passage 28 provided between the hot water circulation pipe 25 and the heat storage rod 26 to the upper side of the heat storage rod 26 So that the heat is supplied to the heat storage bar 26 and the hot water circulation pipe 25.

The heat rising through the first circulation passage 28 is partly discharged toward the second heat exhaust hole 23b and part of the heat is circulated toward the second circulation passage 29, And then discharged through the first heat discharging hole 22a.

The heat is circulated and discharged through the first circulation passage 28 and the second circulation passage 29 so that heat is transferred to the hot water circulation pipe 25 and the heat storage bar 26 The thermal efficiency is greatly improved.

A plurality of first piece fitting holes 31 are further formed in the periphery of the boiler fitting portion 12 of the present invention and the upper and lower portions of the fixing plate 24 are provided at the peripheral portion of the boiler fitting portion 12 And a second piece fitting hole (32) corresponding to the first piece fitting hole (31) positioned at the upper and lower portions of the boiler fitting portion (12) among the plurality of first piece fitting holes (31) A pair of first piece fitting holes 31 located on both sides of the boiler fitting portion 12 among the plurality of first piece fitting holes 31 provided at the periphery of the boiler fitting portion 12 are formed on both sides of the fixing plate 24 A first piece coupling hole 31 positioned at an upper portion and a lower portion of the boiler coupling portion 12 among the first piece coupling holes 31; A second piece engagement hole 32 provided at the upper and lower portions of the fixed plate 24 and a second piece engagement hole 32 formed at both sides of the boiler engagement portion 12 Securing the connecting piece to the fixing hole 33 which is provided on which is located the both sides of the first piece engaging hole 31 and the fixing plate 31, piece 34 can be made are further provided.

Since the fixing plate 24 can be coupled to the boiler coupling portion 12 or the fixing plate 24 can be separated from the boiler coupling portion 12, the fixing plate 24 can be separated from the boiler body 22 of the present invention can be taken out of the boiler coupling portion 12 to be cleaned and repaired, thereby adding convenience for cleaning and repair work.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention

10: Fireplace body 11: Combustion chamber
12: boiler coupling part 13: seat support part
20: boiler 21: floor frame
21a: hot air inlet hole 22: boiler body
22a: first heat exhaust hole 23:
23a: bolt fastening hole 23b: second heat exhaust hole
24: fixed plate 25: hot water circulation pipe
25a: inlet part 25b: outlet part
26: heat storage rod 26a: fastening bolt
27: fixing nut 28: first circulation passage
29: second circulation passage 31: first piece coupling hole
32: second piece fitting hole 33: piece fitting hole
34: Peace

Claims (3)

1. A fireplace comprising a fireplace body having a front face provided with a door and a receptacle, a rear face having an air inlet, a top face having a side face, a bottom face and a smoke outlet and a combustion chamber therein,
A boiler coupling portion 12 communicating with the combustion chamber 11 of the fireplace body 10 is further provided on a rear face 10a of the fireplace body 10,
The upper portion of the combustion chamber 11 is further provided with a seat support portion 13 connected to the boiler engagement portion 12,
The boiler coupling part 12 is received in the upper part of the combustion chamber 11 from the boiler coupling part 12 and is seated in the seating support part 13 provided in the upper part of the combustion chamber 11, And a boiler (20) for heating the water circulated by the heat is further provided.
The method according to claim 1,
The boiler (20)
A bottom frame (21) having a central air inlet hole (21a);
A boiler body (22) extending vertically to an upper side of the bottom frame (21) and having a first heat exhaust hole (22a) at a periphery thereof;
A support base 23 positioned on the upper portion of the boiler body 22 and having a bolt fastening hole 23a and a second heat exhaust hole 23b penetrating through the support base 23 on both sides of the support base 23;
A fixing plate (24) fixed by welding with the boiler body (22) and covering the boiler fitting portion (12) provided on the rear upper surface of the fireplace body (10);
A spiral hot water circulation pipe 25 provided in the boiler body 22 and having an inlet section 25a and an outlet section 25b exposed from the fixing plate 24;
And a fastening bolt 26a accommodated in the boiler body 22 so as to be located inside the spiral hot water circulation pipe 25 and passing through the bolt fastening hole 23a of the support base 23, A rod 26;
A fixing nut (not shown) which is fastened to the fastening bolt 26a of the heat storage rod 26 passing through the bolt fastening hole 23a of the support 23 and firmly fixes the heat storage rod 26 to the support table 23 27);
A first circulation passage (28) positioned between the hot water circulation pipe (25) and the heat storage bar (26);
And a second circulation passage (29) located between the inner surface of the boiler body (22) and the hot water circulation pipe (25).
3. The method of claim 2,
A plurality of first piece coupling holes (31) are further formed in the periphery of the boiler coupling portion (12)
The upper and lower portions of the fixing plate 24 are respectively provided with a plurality of first piece fitting holes 31 provided at the periphery of the boiler fitting portion 12, A second piece fitting hole 32 corresponding to the fitting hole 31 is further provided,
A pair of first piece fitting holes 31 located on both sides of the boiler fitting portion 12 among the plurality of first piece fitting holes 31 provided on the circumference of the boiler fitting portion 12 are formed on both sides of the fixing plate 24 , And a semicircular piece fixing hole (33) corresponding to the semicircular piece fixing hole
A first piece fitting hole 31 located at an upper portion and a lower portion of the boiler fitting portion 12 of the first piece fitting hole 31 and a second piece fitting hole 31 provided at upper and lower portions of the fixing plate 24 32 and a first piece fitting hole 31 located on both sides of the boiler fitting portion 12 of the first piece fitting hole 31 and a piece fixing hole 33 provided on both sides of the fixing plate 31 And a piece (34) for connecting and fixing the boiler.
KR1020150163798A 2015-11-23 2015-11-23 fireplace having boiler KR101806627B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150163798A KR101806627B1 (en) 2015-11-23 2015-11-23 fireplace having boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150163798A KR101806627B1 (en) 2015-11-23 2015-11-23 fireplace having boiler

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KR20170059627A true KR20170059627A (en) 2017-05-31
KR101806627B1 KR101806627B1 (en) 2017-12-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190023542A (en) 2017-08-29 2019-03-08 (주) 한성스틸 Hybrid Fireplace
CN111720857A (en) * 2020-06-29 2020-09-29 连云港永喜工贸有限公司 Fire-proof type household real fire fireplace with front door opening structure
US12114541B2 (en) 2018-03-13 2024-10-08 Samsung Display Co., Ltd. Method of manufacturing display panel and display apparatus including the display panel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200202960Y1 (en) * 1998-06-17 2000-12-01 송인출 A heater
KR200404965Y1 (en) 2005-10-11 2006-01-10 최동식 fireplace having boiler
KR101365724B1 (en) 2013-06-28 2014-02-20 지성구 A heating apparatus of heat pipe for boiler combination stove

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190023542A (en) 2017-08-29 2019-03-08 (주) 한성스틸 Hybrid Fireplace
US12114541B2 (en) 2018-03-13 2024-10-08 Samsung Display Co., Ltd. Method of manufacturing display panel and display apparatus including the display panel
CN111720857A (en) * 2020-06-29 2020-09-29 连云港永喜工贸有限公司 Fire-proof type household real fire fireplace with front door opening structure

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