WO2011071247A2 - Échangeur de chaleur à chambre de combustion et appareil de combustion comprenant ledit échangeur de chaleur - Google Patents

Échangeur de chaleur à chambre de combustion et appareil de combustion comprenant ledit échangeur de chaleur Download PDF

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Publication number
WO2011071247A2
WO2011071247A2 PCT/KR2010/007958 KR2010007958W WO2011071247A2 WO 2011071247 A2 WO2011071247 A2 WO 2011071247A2 KR 2010007958 W KR2010007958 W KR 2010007958W WO 2011071247 A2 WO2011071247 A2 WO 2011071247A2
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WO
WIPO (PCT)
Prior art keywords
combustion chamber
heat exchanger
heat exchange
heat
burner
Prior art date
Application number
PCT/KR2010/007958
Other languages
English (en)
Korean (ko)
Other versions
WO2011071247A3 (fr
Inventor
민태식
Original Assignee
주식회사 경동나비엔
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 경동나비엔 filed Critical 주식회사 경동나비엔
Publication of WO2011071247A2 publication Critical patent/WO2011071247A2/fr
Publication of WO2011071247A3 publication Critical patent/WO2011071247A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • F28D7/1692—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section with particular pattern of flow of the heat exchange media, e.g. change of flow direction
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/34—Water 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
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
    • 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
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/101—Flame diffusing means characterised by surface shape
    • F23D2203/1015—Flame diffusing means characterised by surface shape spherical
    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/12—Fins with U-shaped slots for laterally inserting conduits

Definitions

  • the present invention relates to a heat exchanger having a combustion chamber and a combustion apparatus including the same, and more particularly, a combustion chamber is formed in a space surrounded by a heat exchange pipe of a heat exchanger in a combustion apparatus such as a boiler or a water heater, and thus does not have a combustion chamber separately.
  • the present invention relates to a heat exchanger having a combustion chamber and a combustion apparatus including the same so as to utilize an internal space of the heat exchanger as a combustion chamber.
  • a boiler used in a general home or a public building is used for heating or hot water
  • a water heater is a device configured to enable the user to conveniently use hot water by heating cold water to a predetermined temperature within a short time.
  • a combustion device such as a boiler or a water heater has a structure in which a combustion chamber is provided separately from the heat exchanger.
  • FIG. 1 is a front sectional schematic view showing a structure of a boiler in which a conventional combustion chamber and a heat exchanger are separately configured.
  • FIG. 1 shows a general configuration of a general upward combustion boiler.
  • a heat exchanger 40 having a plurality of heat exchange pipes 42 installed therein and a combustion chamber 30 below the heat exchanger 40 are provided.
  • a burner 20 for burning gas is provided under the combustion chamber 30. The burner 20 generates a flame by burning a mixed gas of gas and air supplied from the blower 10.
  • the flame ignited by the burner 20 generates heat in the combustion chamber 30, and the combustion gas of the flame is moved upwards and passes through the heat exchanger 40 to exchange heat with water flowing inside the heat exchange pipe 42.
  • the combustion gas passing through the heat exchanger 40 is exhausted to the outside through the upper exhaust flue 50.
  • the conventional combustion apparatus has a structure in which the heat exchanger 40 and the combustion chamber 30 are separated into separate spaces, and thus, the combustion chamber 30 occupies a large amount of space in the entire combustion apparatus. There was a problem in that the limit is achieved in miniaturization.
  • the combustion chamber 30 is provided separately from the heat exchanger 40, when the high temperature heat energy generated inside the combustion chamber 30 is transmitted to the outside of the combustion chamber 30, the combustion chamber 30 is connected to the peripheral device of the combustion chamber 30. In order to prevent heat damage, a device for cooling the combustion chamber 30 is required.
  • Wet type Although there is a combustion chamber cooling apparatus, there is a problem in that a large cost is required in the installation of the combustion chamber 30 cooling apparatus by any method.
  • the present invention has been made to solve the above problems, and provides a heat exchanger having a combustion chamber having a structure capable of minimizing the volume occupied by the heat exchanger and the combustion chamber in a combustion apparatus such as a boiler or a water heater and a combustion apparatus comprising the same. Has its purpose.
  • Still another object of the present invention is to provide a heat exchanger and a combustion apparatus including the same, by providing a combustion chamber space inside the heat exchanger to reduce the installation cost of the combustion chamber cooling apparatus, which is required when a separate combustion chamber is provided. There is a purpose.
  • a plurality of heat exchange pipes having a predetermined length in a horizontal direction, the plurality of heat exchange pipes are provided spaced at a predetermined interval, A combustion chamber is formed in an inner space surrounded by the plurality of heat exchange pipes.
  • the plurality of heat exchange pipes may be configured to be arranged in a trapezoidal or arcuate shape.
  • the heat exchanger may include a heat transfer fin coupled to the outside of the heat exchange pipe, an end plate coupled to both ends of the heat exchange pipe, and a flow path cap coupled to the outside of the end plate to switch a flow path of water flowing inside the heat exchange pipe.
  • the combustion chamber comprises a space surrounded by the heat exchange pipe, the heat transfer fin, the end plate, and the flow path cap.
  • the front and rear both sides of the combustion chamber formed in the heat exchanger is formed by a combination of the end plate and the flow path cap, the upper and left and right sides of the combustion chamber is characterized in that formed by the combination of the heat exchange pipe and the heat transfer fins.
  • the inner space formed by the end plate and the flow path cap characterized in that formed to the lower end of the end plate and the flow path cap.
  • the heat transfer fin is characterized in that the portion in which the combustion gas flows is formed in a concave shape, the portion in which the combustion gas flows out is formed in a convex shape.
  • the heat transfer fin is formed with an insertion hole into which the heat exchange pipe is inserted, and the insertion hole is opened to the side into which the combustion gas flows, so that the combustion gas flowing into the lower end of the insertion hole is inserted into the insertion hole. Characterized in that it is made in direct contact with the lower end.
  • Combustion apparatus including a heat exchanger having a combustion chamber according to the present invention, the heat exchanger; And a burner installed at a lower side of the heat exchanger to form a combustion chamber space between the plurality of heat exchange pipes.
  • a burner support for supporting a burner is coupled to an upper end of the burner, and both ends of the burner support are installed at positions contacting both lower ends of the heat transfer fins coupled to the outside of the heat exchange pipe.
  • the burner flame portion of the upper convex shape is formed in the central portion of the burner support having a predetermined length.
  • the burner is characterized in that the premixed burner.
  • the internal space of the heat exchanger can be utilized as the combustion chamber even without a separate combustion chamber, thereby minimizing the volume of the combustion chamber in the combustion apparatus. Accordingly, there is an advantage that can reduce the production cost and increase the utilization of the installation space by miniaturizing the combustion device product.
  • the combustion chamber space is provided inside the heat exchanger, a separate cooling facility for cooling the combustion chamber is not required, thereby reducing the manufacturing cost of the combustion device.
  • FIG. 1 is a front sectional schematic view showing a structure of a boiler in which a conventional combustion chamber and a heat exchanger are separately configured;
  • Figure 2 is a front sectional schematic view showing the structure of a boiler equipped with a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • FIG. 3 is an exploded perspective view of a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • FIG. 4 is a plan cross-sectional view of a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • FIG. 5 is a left side view of a heat exchanger having a combustion chamber according to an embodiment of the present invention.
  • FIG. 6 is a right side view of a heat exchanger having a combustion chamber according to an embodiment of the present invention.
  • FIG. 7 is a block diagram of a heat exchange pipe and a heat transfer fin of a heat exchanger having a combustion chamber according to another embodiment of the present invention.
  • FIG. 2 is a front sectional schematic view showing a structure of a boiler having a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • Figure 3 is an exploded perspective view of a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • Figure 4 6 is a plan sectional view of a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • FIG. 5 is a left side view of a heat exchanger having a combustion chamber according to an embodiment of the present invention
  • FIG. 6 is an embodiment of the present invention.
  • the right side view of the heat exchanger with a combustion chamber according to this is shown, respectively.
  • the heat exchanger 100 provided with the combustion chamber according to the present invention is configured to utilize the internal space surrounded by the plurality of heat exchange pipes 110 installed horizontally inside the heat exchanger 100 as the combustion chamber 105. It is done.
  • the heat exchanger 100 having the combustion chamber according to the present invention has a heat exchanger fin inserted into the heat exchanger pipe 110 and the heat exchanger pipe 110 to the upper side of the burner support 192 as shown in FIG. 2. Since 120 is installed in a trapezoidal structure, a combustion chamber 105 space is formed between the upper end of the burner support 192 and the lower end of the heat exchange pipe 110 and the heat transfer fins 120.
  • both ends of the burner support 192 may be coupled to both ends of the lower end of the heat transfer fin 120 in order to reduce the space of the combustion chamber 105.
  • the upper and left and right sides of the combustion chamber 105 space are formed by a combination of the heat exchange pipe 110 and the heat transfer fins 120, and the front and rear sides of the combustion chamber 105 space are end plates 130 and 160 which will be described later. ) And the flow path caps 140 and 170.
  • the burner flame hole 195 having a convex upward shape is formed in a central portion of the burner support 192 installed below the heat exchanger 100.
  • the burner flame hole 195 is formed of a metal fiber of a mesh structure, and a plurality of flame holes 195a are formed on a surface thereof, such that a mixed gas of air and fuel supplied from a lower side of the burner 190 is burned. When the flame is formed, a flame is formed upward through the salt hole 195a.
  • the burner 190 is preferably a pre-mixed burner 190 for burning the pre-mixed gas pre-mixed with the combustion gas and air in the mixing chamber.
  • the flame length can be formed short, and the flame density can be formed high, the combustion chamber 105 between the burner flame hole 195 and the heat exchange pipe 110. It is suitable for reducing the space.
  • the burner flame hole 195 is convexly formed upward, the flame is radially formed above the burner flame hole 195, and thus, the heat exchange pipe 110 and the heat transfer fins 120 installed on the combustion chamber 105. It also plays a role in transmitting combustion heat evenly throughout.
  • the plurality of heat transfer fins 120 are installed side by side at a predetermined interval in the front-rear direction.
  • the heat transfer fin 120 has a concave shape at the lower end of which the combustion gas flows in, and an upper end at which the combustion gas flows out.
  • a plurality of insertion holes 122 corresponding to the outer circumferential surface shape of the heat exchange pipe 110 are formed in the heat transfer fin 120 so that the heat exchange pipe 110 is fitted, so that the lower end of the insertion hole 122 is opened.
  • the combustion gas flowing into the lower end of the insertion hole 122 while the heat exchange pipe 110 is coupled to the heat transfer fin 120 is in direct contact with the lower end of the heat exchange pipe 110. Accordingly, the heat of combustion of the combustion gas may be directly transmitted to the water flowing inside the heat exchange pipe 110 without passing through the heat transfer fins 120.
  • the front side end of the heat exchange pipe 110 is fitted into the insertion hole 130a of the end plate 130, and the rear side end of the heat exchange pipe 110 is fitted into the insertion hole 160a of the end plate 160. .
  • the flow path cap (140; 141, 142, 143) for switching the flow path of the water flowing inside the heat exchange pipe 110 is welded.
  • the flow path caps 170; 171 and 172 are welded to the rear side of the rear end plate 160.
  • the heating water is introduced into the inner space 141a of the flow path cap 141 through the heating water inlet 141b and moved to the rear side as shown by the arrow through the heat exchange pipes 111a, 111b and 111c.
  • the flow path is switched in the inner space 171a of the rear side flow path cap 171 and moved to the front side through the heat exchange pipes 112a, 112b, and 112c.
  • Water flowing into the inner space 142a of the front side flow path cap 142 is converted to a flow path again and moved to the rear side through the heat exchange pipes 113a, 113b, and 113c, and inside the flow path cap 172 on the rear side.
  • the water flowing into the space 172a is again converted into a flow path and moved to the front side through the heat exchange pipes 114a, 114b, and 114c, and collected in the internal space 143a of the front side flow path cap 143, and then the heating water outlet.
  • the formed inner spaces 171a and 172a are formed to the lower ends of the end plates 130 and 160 and the flow path caps 140 and 170, and the end plates 130 and 160 and the flow path caps 140 and 170 are overheated by the heat of the burner 190. prevent.
  • FIG. 7 is a block diagram of a heat exchange pipe and a heat transfer fin of a heat exchanger having a combustion chamber according to another embodiment of the present invention.
  • FIG. 7 An embodiment of a trapezoidal shape having a predetermined angle between both lower and upper ends of the heating fins 120 is illustrated and described, but the shape of the heating fins 120 is above the burner support 192. If it has a structure that can be provided with a space may be made of other shapes, for example, as shown in Figure 7 may be composed of a heat transfer fin 220 and the heat exchange pipe 210 is coupled to the arcuate shape. have.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

La présente invention concerne un échangeur de chaleur à chambre de combustion et un appareil de combustion comprenant ledit échangeur de chaleur, la chambre de combustion étant formée dans un espace qui est entouré par des tubes d'échange de chaleur de l'échangeur de chaleur dans un appareil de combustion de type chaudière ou chauffe-eau ou analogue, de façon que l'espace intérieur de l'échangeur de chaleur puisse être utilisé en tant que chambre de combustion sans devoir utiliser une chambre de combustion séparée. À cet effet, l'échangeur de chaleur comprenant une chambre de combustion de la présente invention comprend une pluralité de tubes d'échange de chaleur présentant une longueur prédéfinie, positionnés dans un sens horizontal, la pluralité de tubes d'échange de chaleur étant isolés les uns par rapport aux autres à certains intervalles, et la chambre de combustion est formée dans l'espace intérieur entouré par la pluralité de tubes d'échange de chaleur.
PCT/KR2010/007958 2009-12-08 2010-11-11 Échangeur de chaleur à chambre de combustion et appareil de combustion comprenant ledit échangeur de chaleur WO2011071247A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0121429 2009-12-08
KR1020090121429A KR101151538B1 (ko) 2009-12-08 2009-12-08 연소실이 구비된 열교환기 및 이를 포함하는 연소기기

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WO2011071247A2 true WO2011071247A2 (fr) 2011-06-16
WO2011071247A3 WO2011071247A3 (fr) 2011-11-03

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WO (1) WO2011071247A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2639538A1 (fr) * 2012-03-13 2013-09-18 Electrolux Home Products Corporation N.V. Couvercle échangeur de chaleur
EP2868907A1 (fr) * 2013-10-31 2015-05-06 Frauscher Holding Gesellschaft m.b.H. Échangeur de chaleur pour une machine thermodynamique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101373130B1 (ko) * 2012-06-29 2014-03-11 린나이코리아 주식회사 유로 파이프가 장착된 보일러의 열교환기
KR101403983B1 (ko) * 2012-08-16 2014-06-10 주식회사 경동나비엔 서브 보일러 모듈로 구성된 보일러

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920067A (en) * 1973-04-11 1975-11-18 Mms Ltd Heat exchanger for continuous flow fluid heater
KR100390521B1 (ko) * 2001-02-16 2003-07-04 주식회사 경동보일러 콘덴싱 보일러의 열교환기
KR100473083B1 (ko) * 2002-08-21 2005-03-08 주식회사 경동보일러 콘덴싱보일러의 열교환기

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162348A (en) * 1980-05-16 1981-12-14 Matsushita Electric Ind Co Ltd Heat exchanger
JPH0531486Y2 (fr) * 1985-10-25 1993-08-12

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920067A (en) * 1973-04-11 1975-11-18 Mms Ltd Heat exchanger for continuous flow fluid heater
KR100390521B1 (ko) * 2001-02-16 2003-07-04 주식회사 경동보일러 콘덴싱 보일러의 열교환기
KR100473083B1 (ko) * 2002-08-21 2005-03-08 주식회사 경동보일러 콘덴싱보일러의 열교환기

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2639538A1 (fr) * 2012-03-13 2013-09-18 Electrolux Home Products Corporation N.V. Couvercle échangeur de chaleur
EP2868907A1 (fr) * 2013-10-31 2015-05-06 Frauscher Holding Gesellschaft m.b.H. Échangeur de chaleur pour une machine thermodynamique

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WO2011071247A3 (fr) 2011-11-03
KR101151538B1 (ko) 2012-05-30
KR20110064718A (ko) 2011-06-15

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