EP4124801A1 - Wärmezufuhrvorrichtung - Google Patents

Wärmezufuhrvorrichtung Download PDF

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Publication number
EP4124801A1
EP4124801A1 EP22186746.8A EP22186746A EP4124801A1 EP 4124801 A1 EP4124801 A1 EP 4124801A1 EP 22186746 A EP22186746 A EP 22186746A EP 4124801 A1 EP4124801 A1 EP 4124801A1
Authority
EP
European Patent Office
Prior art keywords
pipe
connection pipe
disposed
supply apparatus
water
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.)
Pending
Application number
EP22186746.8A
Other languages
English (en)
French (fr)
Inventor
Sungjun Lee
Ilhan Yun
Taeho KONG
Kiyoon Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4124801A1 publication Critical patent/EP4124801A1/de
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/08—Arrangements for drainage, venting or aerating
    • F24D19/082—Arrangements for drainage, venting or aerating for water heating systems
    • F24D19/083—Venting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • 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
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/142—Connecting hydraulic components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/004—Outdoor unit with water as a heat sink or heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type

Definitions

  • the present disclosure relates to a heat supply apparatus, and more particularly, to a heat supply apparatus configured to supply water, which is heat-exchanged with refrigerant flowing through a heat pump, to a load unit of an indoor space.
  • a heat source heated by a gas boiler 1 is supplied to a load unit 2, such as floor heating and a hot water tank, through a pipe.
  • a pipe connecting a gas boiler and a load unit may be installed in a buried manner in a building.
  • KR 10-2012-0062153 A discloses a configuration for supplying water, which is heat-exchanged with refrigerant, to a load unit.
  • refrigerant since refrigerant is supplied to an indoor unit, the amount of refrigerant used is more than a certain level. This is problematic in countries, such as Europe, where a limit on the amount of refrigerant is imposed.
  • water may be supplied to a load unit 30 via an indoor unit 10 through which water that is heat-exchanged in an outdoor unit 20 is replaced in a boiler.
  • water discharged from the load unit 30 is directly supplied to the outdoor unit 20.
  • a separate pipe connecting a load unit and an outdoor unit should be newly installed, thereby requiring much time and cost for a buried installation of the new pipe in a building.
  • a pump which is disposed in an indoor unit, is disposed at a part or portion where water discharged from an outdoor unit is supplied to a load unit, so as to allow water heated by the pump to be supplied, thereby reducing the lifespan of the pump.
  • a heat supply apparatus includes an outdoor unit including a heat exchanger configured to exchange heat between refrigerant and water, a load unit using heat of heat-exchanged water as a load, and an indoor unit configured to supply water discharged from the outdoor unit to the load unit and configured to supply water discharged from the load unit to the outdoor unit, wherein the indoor unit includes a case defining an outer shape, a first connection pipe disposed in the case and configured to transfer water introduced from the outdoor unit to the load unit, a second connection pipe disposed in the case and configured to transfer water introduced from the load unit to the outdoor unit, and a pump disposed at the second connection pipe and configured to pump water of the load unit to the outdoor unit.
  • water discharged from the outdoor unit may be transferred to the load unit through the indoor unit, and water discharged from the load unit may be transferred to the outdoor unit through the indoor unit.
  • the pump may supply water transferred from the load unit to the outdoor unit, allowing water to be circulated entirely.
  • the first connection pipe may include a 1-1 connection pipe extending from a lower plate of the case and defining a flow path through which water flows upward, and a 1-2 connection pipe connected to a circumferential surface of the 1-1 connection pipe at a position spaced downward from an upper end of the 1-1 connection pipe.
  • An air band configured to discharge vapor produced from flowing water may be disposed at the upper end of the 1-1 connection pipe, allowing vapor generated from heated water that is supplied from the outdoor unit to be discharged.
  • a length of the 1-1 connection pipe extending upward from the lower plate may be greater than a height of the second connection pipe protruding upward from the lower plate.
  • vapor produced from water that is supplied from the outdoor unit through the 1-1 connection pipe may be collected as much as possible to be transferred to the air band.
  • the 1-1 connection pipe may include a lower pipe connected to the first connector, an upper pipe disposed above the lower pipe and having the air band disposed at an upper end thereof, and a middle pipe connecting the lower pipe and the upper pipe.
  • the middle pipe may be made of a different material from the lower pipe and the upper pipe, thereby achieving a long length of the 1-1 connection pipe configured as a plurality of pipes.
  • the middle pipe may be made of a material having a higher melting point than the lower pipe and the upper pipe.
  • the middle pipe may be coupled to the lower pipe and the upper pipe through welding or the like.
  • the 1-2 connection pipe may include a horizontal pipe connected to the 1-1 connection pipe, and a vertical pipe extending from an end portion of the horizontal pipe in a downward direction in which the lower plate is disposed.
  • the vertical pipe may be provided with a heater configured to heat water flowing therethrough.
  • a heater configured to heat water flowing therethrough.
  • water supplied to the load unit may be additionally heated.
  • the second connection pipe may include a pump inlet pipe disposed at an upstream side of the pump, and a pump outlet pipe disposed at a downstream side of the pump.
  • the pump inlet pipe may be provided with a strainer configured to filter foreign substances contained in water introduced from the load unit to thereby filter out foreign substances from the water supplied from the load unit.
  • the pump inlet pipe may have a shape bending at the upstream side where the strainer is disposed.
  • the pump inlet pipe may include a first pump inlet pipe extending upward from a lower plate of the case and including a bending portion that changes a flow direction, and a second pump inlet pipe connecting one side of the first pump inlet pipe and the pump.
  • the strainer may be disposed at an end portion of the first pump inlet pipe, allowing foreign substances to be easily collected.
  • the second pump inlet pipe may be disposed to be connected to a circumference of the first pump inlet pipe at a position spaced upward from the end portion of the first pump inlet pipe, thereby preventing foreign substances from flowing into the pump.
  • the pump inlet pipe may include an upward flow forming pipe extending upward from a lower plate of the case and defining an upward flow path, a bending portion connected to the upward flow forming pipe and changing a flow direction, and a downward flow forming pipe connected to the bending portion and defining a downward flow path.
  • the strainer may be disposed at a lower end portion of the downward flow forming pipe, thereby preventing foreign substances from flowing into the pump.
  • a length of the first connection pipe may be greater than a length of the second connection pipe.
  • vapor generated from heated water that is supplied from the outdoor unit may be collected and discharged to the outside.
  • the transfer of vapor to the load unit may be minimized.
  • the case may include a lower plate covering a lower portion thereof.
  • the lower plate may be provided with a plurality of connectors connecting the first connection pipe or the second connection pipe and a pipe connected to the outdoor unit or the load unit.
  • pipes connected to the outdoor unit and the load unit, and connection pipes disposed in the indoor unit may be easily connected to one another.
  • the plurality of connectors may include a first connector to which an upstream end of the first connection pipe is connected, a second connector to which a downstream end of the first connection pipe is connected, a third connector to which an upstream end of the second connection pipe is connected, and a fourth connector to which a downstream end of the second connection pipe is connected.
  • a distance between the third connector and the fourth connector that are disposed at the lower plate may be less than a distance between the first connector and the second connector that are disposed at the lower plate, allowing the first connection pipe to have a longer length than the second connection pipe.
  • a heat supply apparatus has one or more of the following effects.
  • a heat supply apparatus of a boiler may be easily replaced with a heat supply apparatus including an indoor unit that uses a heat pump to heat water and an outdoor unit without a separate indoor pipe installation.
  • the temperature of water supplied to the pump may be kept below a set temperature, thereby increasing the lifespan of the pump.
  • a structure of a second connection pipe may prevent foreign substances from entering the pump to thereby increase the service life of the pump.
  • vapor produced from heated water that is supplied from an outdoor unit may be removed in an indoor unit to thereby minimize the flow of vapor to a load unit.
  • the thermal efficiency of water transferred to the load unit may be increased.
  • a heat supply apparatus of the present disclosure includes an outdoor unit 200 including a heat exchanger (not shown) configured to exchange heat between refrigerant discharged from a compressor (not shown) and water, a load unit 300 using a heat source of water that is heat-exchanged in the outdoor unit 200, and an indoor unit 100 disposed between the outdoor unit 200 and the load unit 300, and including a pump configured to move water flowing to the indoor unit 200 and the load unit 300.
  • a heat exchanger configured to exchange heat between refrigerant discharged from a compressor (not shown) and water
  • a load unit 300 using a heat source of water that is heat-exchanged in the outdoor unit 200
  • an indoor unit 100 disposed between the outdoor unit 200 and the load unit 300, and including a pump configured to move water flowing to the indoor unit 200 and the load unit 300.
  • the heat supply apparatus includes a first pipe 50 and a second pipe 60.
  • the first pipe 50 connects the outdoor unit 200 and the indoor unit 100.
  • the second pipe 60 connects the indoor unit 100 and the load unit 300.
  • the first pipe 50 includes a first supply pipe 52 through which water is supplied to the indoor unit 100 and a first discharge pipe 54 through which water is discharged from the indoor unit 100.
  • the second pipe 60 includes a second supply pipe 62 through which water is supplied to the indoor unit 100 and a second discharge pipe 64 through which water is discharged from the indoor unit 100.
  • the outdoor unit 200 includes a compressor 210, a first heat exchanger 220, a second heat exchanger 230, an expansion valve 240 disposed between the first heat exchanger 220 and the second heat exchanger 230, and a switching valve 250.
  • the compressor 210 is configured to compress refrigerant.
  • the first heat exchanger 220 exchanges heat between refrigerant flowing from the compressor 210 and water.
  • the second heat exchanger 230 exchanges heat between refrigerant flowing from the compressor 210 and air.
  • the expansion valve 240 expands flowing refrigerant.
  • the switching valve 250 transfers refrigerant discharged from the compressor 210 to the first heat exchanger 220 or the second heat exchanger 230.
  • the outdoor unit 200 of the present disclosure includes both the first heat exchanger 220 and the second heat exchanger 230 therein, the amount of refrigerant used may be minimized or reduced. In addition, as water flows into an indoor space, refrigerant leakage to the indoor space may be prevented.
  • the first heat exchanger 220 may exchange heat between compressed refrigerant discharged from the compressor 210 and water. That is, refrigerant may transfer heat, which is generated while being compressed by the compressor 210, to water through the first heat exchanger 220.
  • the first heat exchanger 220 may use a plate heat exchanger that exchanges heat between water and refrigerant.
  • the indoor unit 100 is connected to the outdoor unit 200 through the first pipe 50.
  • the indoor unit 100 may transfer water discharged from the outdoor unit 200 to the load unit 300.
  • the indoor unit 100 includes a first connection pipe 110 that connects the first supply pipe 52 and the second discharge pipe 64, and a second connection pipe 130 that connects the second supply pipe 62 and the first discharge pipe 54.
  • the second connection pipe 130 is provided with a pump 150 that causes a flow of water in the entire pipe.
  • the first connection pipe 110 is provided with a heater 160 configured to heat water supplied to the load unit 300.
  • the indoor unit 100 includes a case 102 defining an outer shape.
  • the first connection pipe 110 is disposed in the case 102 and transfers water introduced from the outdoor unit 200 to the load unit 300.
  • the second connection pipe 130 is disposed in the case 102 and transfers water introduced from the load unit 300 to the outdoor unit 200.
  • the pump 150 is included in the indoor unit 100 and is disposed at the second connection pipe 130 and supplies water of the load unit 300 to the outdoor unit 200.
  • the pump 150 is disposed on the second connection pipe 130.
  • the temperature of water flowing through the second connection pipe 130 is lower than the temperature of water flowing through the first connection pipe 110.
  • the reliability of the pump 150 may be increased.
  • the case 102 may have a substantially cuboid shape.
  • the case 102 defines a space in which the first connection pipe 110 and the second connection pipe 130 are disposed.
  • the case 102 includes a mounting plate (not shown) mounted on a wall surface, a lower plate 104 vertically disposed at a lower end of the mounting plate, an upper plate (not shown) vertically disposed at an upper end of the mounting plate, and a peripheral plate 106 disposed to extend from a side surface of the mounting plate along edges of the lower plate 104 and the upper plate. So, when being installed the lower plate 104 face the bottom and the peripheral plate 106 forms the housing of the case 102 forming the two side walls and the front wall.
  • first connector 170 to which an upstream end of the first connection pipe 110 is connected
  • second connector 172 to which a downstream end of the first connection pipe 110 is connected
  • third connector 174 to which an upstream end of the second connection pipe 130 is connected
  • fourth connector 176 to which a downstream end of the second connection pipe 130 is connected.
  • the first connector 170, the second connector 172, the third connector 174, and the fourth connector 176 are preferably disposed at the lower plate 104 of the case 102.
  • the first supply pipe 52 is connected to the first connector 170.
  • the second discharge pipe 64 is connected to the second connector 172.
  • the second supply pipe 62 is connected to the third connector 174.
  • the first discharge pipe 54 is connected to the fourth connector 176.
  • a distance D2 between the third connector 174 and the fourth connector 176 that are connected to the second connection pipe 130 is less than a distance D1 between the first connector 170 and the second connector 172 that are connected to the first connection pipe 110.
  • first connection pipe 110 and the second connection pipe 130 are disposed in the case 102.
  • a length of the first connection pipe 110 is greater than a length of the second connection pipe 130.
  • the first connection pipe 110 is provided with an air band 120 that removes water vapor produced from water flowing therein.
  • the first connection pipe 110 includes a 1-1 connection pipe 112 that is connected to the first connector 170 and forms a flow path through which water flows upward, and a 1-2 connection pipe 122 that is connected to a circumferential surface of the 1-1 connection pipe 112 at a position spaced downward from an upper end of the 1-1 connection pipe 112.
  • the air band 120 configured to discharge vapor formed from flowing water is disposed at the upper end of the 1-1 connection pipe 112. Vapor generated from water flowing in the first connection pipe 110 may be removed through the air band 120.
  • a length L1 of the 1-1 connection pipe 112 extending upward from the lower plate 104 is greater than a height L2 of the second connection pipe 130 protruding upward from the lower plate 104 of the case 102. Accordingly, vapor generated from water flowing along the first connection pipe 110 may be effectively collected in the air band 120.
  • the 1-1 connection pipe 112 may be configured as a plurality of pipes.
  • the 1-1 connection pipe 112 may include a lower pipe 114 that is connected to the first connector 170, an upper pipe 116 that is disposed above the lower pipe 114 and has the air band 120 disposed at an upper end thereof, and a middle pipe 118 that connects the lower pipe 114 and the upper pipe 116.
  • the middle pipe 118 may be made of a different material from the lower pipe 114 and/or the upper pipe 116.
  • the middle pipe 118 may be made of a material having a higher melting point than the lower pipe 114 and/or the upper pipe 116.
  • the lower pipe 114 and the upper pipe 116 may be made of a copper material, and the middle pipe 118 may be made of a stainless steel material.
  • the lower pipe 114 and the middle pipe 118 may be joined by welding, and the upper pipe 116 and the middle pipe 118 may be joined by welding.
  • middle pipe 118 is made of a material having a higher melting point than the lower pipe 114 and/or the upper pipe 116, it is possible to prevent a leak hole from forming at a joined portion or joint when joined by welding or the like.
  • the 1-2 connection pipe 122 is connected to the 1-1 connection pipe 112 at a position spaced downward from the upper end of the 1-1 connection pipe 112. Accordingly, a space for collecting vapor discharged to the air band 120 may be formed at the upper end of the 1-1 connection pipe 112.
  • the 1-2 connection pipe 122 may include a horizontal pipe 124 that is connected to the 1-1 connection pipe 112, and a vertical pipe 126 that extends downward from an end portion of the horizontal pipe 124 and is connected to the second connector 172.
  • the vertical pipe 126 may define a flow path through which water flows downward.
  • a heater (not shown), which is electrically operated, may be disposed at the vertical pipe 126.
  • the heater 160 (see FIG. 4 ) may additionally heat water supplied to the load unit 300.
  • the second connection pipe 130 includes a pump inlet pipe 132 disposed at an upstream side of the pump 150 and a pump outlet pipe 140 disposed at a downstream side of the pump 150.
  • the pump inlet pipe 132 may be provided with a strainer 138 that filters foreign substances or particles contained in water introduced from the load unit 300.
  • the pump inlet pipe 132 may include a first pump inlet pipe 134 including a bending portion 134b that is connected to the third connector 174 and changes a flow direction, and a second pump inlet pipe 136 connected to one side of the first pump inlet pipe 134 and the pump 150.
  • the first pump inlet pipe 134 includes an upward flow forming pipe 134a that is connected to the third connector 174 and defines an upward (or ascending) flow path, the bending portion 134b that is connected to the upward flow forming pipe 134a and changes the flow direction, and a downward flow forming pipe 134c that is connected to the bending portion 134b and defines a downward (or descending) flow path.
  • the strainer 138 is disposed at a lower end portion of the downward flow forming pipe 134c.
  • the second pump inlet pipe 136 is connected to the circumference of the first pump inlet pipe 134 at a position spaced upward from an end portion of the first pump inlet pipe 134. Accordingly, foreign substances contained in water flowing from the load unit 300 may be collected in a lower end portion of the first pump inlet pipe 134 where the strainer 138 is disposed.
  • the pump outlet pipe 140 has a bent shape to thereby connect the pump 150 and the fourth connector 176.

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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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP22186746.8A 2021-07-26 2022-07-25 Wärmezufuhrvorrichtung Pending EP4124801A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020210097991A KR102638189B1 (ko) 2021-07-26 2021-07-26 열공급장치

Publications (1)

Publication Number Publication Date
EP4124801A1 true EP4124801A1 (de) 2023-02-01

Family

ID=82703185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22186746.8A Pending EP4124801A1 (de) 2021-07-26 2022-07-25 Wärmezufuhrvorrichtung

Country Status (2)

Country Link
EP (1) EP4124801A1 (de)
KR (1) KR102638189B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1906107A1 (de) * 2005-06-30 2008-04-02 Toshiba Carrier Corporation Heisswasserversorgungsvorrichtung für wärmepumpe
KR20120062153A (ko) 2010-12-06 2012-06-14 엘지전자 주식회사 냉매시스템
EP3101351A1 (de) * 2014-01-31 2016-12-07 Daikin Industries, Ltd. Temperaturregelungssystem
EP3336453A1 (de) * 2016-10-17 2018-06-20 Mitsubishi Electric Corporation Innenraumeinheit einer wärmepumpennutzungsvorrichtung und wärmepumpennutzungsvorrichtung damit
EP3358272A1 (de) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Aufnahmeeinheit für wasserwärmetauscher

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011137604A (ja) * 2009-12-28 2011-07-14 Daikin Industries Ltd 温水制御ユニット
JP6128331B2 (ja) * 2014-02-26 2017-05-17 株式会社富士通ゼネラル 温水暖房装置
JP6771969B2 (ja) * 2016-07-04 2020-10-21 シャープ株式会社 冷蔵庫

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1906107A1 (de) * 2005-06-30 2008-04-02 Toshiba Carrier Corporation Heisswasserversorgungsvorrichtung für wärmepumpe
KR20120062153A (ko) 2010-12-06 2012-06-14 엘지전자 주식회사 냉매시스템
EP3101351A1 (de) * 2014-01-31 2016-12-07 Daikin Industries, Ltd. Temperaturregelungssystem
EP3358272A1 (de) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Aufnahmeeinheit für wasserwärmetauscher
EP3336453A1 (de) * 2016-10-17 2018-06-20 Mitsubishi Electric Corporation Innenraumeinheit einer wärmepumpennutzungsvorrichtung und wärmepumpennutzungsvorrichtung damit

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KR102638189B1 (ko) 2024-02-16
KR20230016466A (ko) 2023-02-02

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