WO2020003511A1 - Dispositif de pompe à chaleur - Google Patents

Dispositif de pompe à chaleur Download PDF

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Publication number
WO2020003511A1
WO2020003511A1 PCT/JP2018/024895 JP2018024895W WO2020003511A1 WO 2020003511 A1 WO2020003511 A1 WO 2020003511A1 JP 2018024895 W JP2018024895 W JP 2018024895W WO 2020003511 A1 WO2020003511 A1 WO 2020003511A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
refrigerant
opening
heat
partition plate
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.)
Ceased
Application number
PCT/JP2018/024895
Other languages
English (en)
Japanese (ja)
Inventor
徹 小出
敏也 山内
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to EP18923910.6A priority Critical patent/EP3816535A4/fr
Priority to JP2020527142A priority patent/JP6940000B2/ja
Priority to PCT/JP2018/024895 priority patent/WO2020003511A1/fr
Publication of WO2020003511A1 publication Critical patent/WO2020003511A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • F24F1/30—Refrigerant piping for use inside the separate outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • 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
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • 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 
    • F24H9/148—Arrangements of boiler components on a frame or within a casing to build the fluid heater, e.g. boiler
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
    • F24F2221/183—Details or features not otherwise provided for combined with domestic apparatus combined with a hot-water boiler
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers

Definitions

  • the present invention relates to a heat pump device.
  • Patent Literature 1 discloses, as an outdoor unit of such a heat pump system, an outdoor unit having a heat pump cycle in which a compressor, an air refrigerant heat exchanger, a pressure reducing unit, and a water refrigerant heat exchanger are sequentially connected by a refrigerant circulation pipe in a housing. Machine is disclosed.
  • a compressor is mounted on one side of a casing partitioned by a partition plate, and a blower fan and a water-refrigerant heat exchanger are provided on the other partition.
  • a cutout portion is formed in the lower front part of the partition plate to allow a pipe extending from the water-refrigerant heat exchanger to pass through the compressor.
  • Patent Document 1 has the following problems.
  • the water-refrigerant heat exchanger is covered by a protective cover.
  • the protective cover is engaged with the notch of the partition plate.
  • this protective cover does not completely cover the notch. For this reason, there is a possibility that foreign matter typified by insects or small animals on the side of the blower fan may enter the compressor side through the gap in the notch. These foreign substances cause failure of electronic components arranged on the side of the compressor.
  • the present invention has been made in order to solve the above-described problem, and in a heat pump device in which a blower room side where a blower is arranged and a machine room side where a compressor is arranged are partitioned by a partition plate, piping is provided. It is an object of the present invention to provide a heat pump device capable of suppressing entry of foreign matter from the blower room side to the machine room side through an opening of a partition plate through which the partition plate passes.
  • the heat pump device is a compressor that compresses the refrigerant, a first heat exchanger that exchanges heat between the refrigerant and air, a blower, and a second heat exchanger that exchanges heat between the refrigerant and the heat medium, And a partition that partitions the space in the housing into a machine room in which the compressor is stored, and a blower room in which the first heat exchanger, the blower, and the second heat exchanger are stored. And a storage container in which the second heat exchanger is stored.
  • the storage container has a first opening for communicating a pipe extending from the second heat exchanger from the side to the outside, and a projection provided around the first opening and projecting outward from the side, It is comprised including.
  • the partition plate includes a second opening through which the pipe passes.
  • a storage container is installed so that a piping may pass from a blower room side to a machine room side through a 2nd opening part, and a protrusion part may fit in a 2nd opening part.
  • the second opening opened in the partition plate is fitted to the projection of the storage container. Therefore, it is possible to suppress foreign matter from entering from the blower room side to the machine room side through the second opening.
  • FIG. 2 is a front view showing the internal structure of the heat pump device according to the first embodiment.
  • FIG. 2 is a perspective view of the internal structure of the heat pump device according to Embodiment 1 as viewed obliquely from the front. It is a perspective view which shows the structure of a heat insulation member and a partition plate. It is a perspective view showing the state where a heat insulating member was fitted to a partition plate. It is a rear view showing the state where the heat insulation member was fitted to the partition plate. It is a figure showing arrangement of a projection part of a heat insulation member. It is the figure which looked at the projection part and the notch part from the machine room side. It is a figure which shows the other modification of the shape of the protrusion part of a heat insulation member, and the notch part of a partition plate.
  • FIG. FIG. 1 is a front view showing the internal structure of the heat pump device according to the first embodiment.
  • FIG. 2 is a perspective view of the internal structure of the heat pump device according to Embodiment 1 as viewed obliquely from the front.
  • the heat pump device 100 according to the present embodiment is installed outdoors.
  • the heat pump device 100 heats a liquid heat medium.
  • the heat medium in the present embodiment is water.
  • the heat pump device 100 generates hot water by heating water.
  • the heat medium in the present invention may be, for example, an aqueous solution of calcium chloride, an aqueous solution of ethylene glycol, alcohol, or the like.
  • the heat pump device 100 includes a bottom plate 7 that forms the bottom of the housing.
  • a machine room 20 is formed on the right side and a blower room 22 is formed on the left side when viewed from the front.
  • the machine room 20 and the blower room 22 are separated by a partition plate 6 extending in the vertical direction.
  • the housing forming the outer shell of the heat pump device 100 further includes a front panel (not shown), a back panel, and a top panel in addition to the bottom plate 7 described above.
  • the front panel includes a front part that covers the front of the housing and a left side part that covers the left side of the housing.
  • the back panel includes a rear part that covers the rear surface of the housing and a right side part that covers the right side of the housing.
  • the top panel is configured to cover the upper surface of the housing.
  • These components of the housing are formed, for example, from sheet metal.
  • the outer surface of the heat pump device 100 is covered by this housing except for the air-refrigerant heat exchanger 4 arranged on the rear surface side.
  • An opening for discharging air that has passed through the blower chamber 22 is formed in the front part, and a lattice is attached to this opening.
  • 1 and 2 show a state in which each part of the housing other than the bottom plate 7 is removed. In FIG. 1, illustration of some components is omitted.
  • a compressor 1 for compressing the refrigerant As shown in FIG. 1, in the machine room 20, as refrigerant circuit components, a compressor 1 for compressing the refrigerant, an expansion valve 3 for decompressing the refrigerant, and refrigerant pipes such as a suction pipe and a discharge pipe connecting these, and the like. It has been incorporated.
  • the compressor 1 includes a compressor (not shown) and a motor (not shown) inside a cylindrical shell.
  • the compression section performs a compression operation of the refrigerant.
  • the motor drives the compression unit.
  • the motor of the compressor 1 is driven by electric power supplied from the outside.
  • the refrigerant is sucked into the compressor 1 through the suction pipe.
  • a discharge pipe for discharging the refrigerant compressed inside the compressor 1 is connected to an upper part of the compressor 1.
  • the expansion valve 3 has a coil built-in member attached to the outer surface of the main body. By energizing the coil from the outside, the internal flow path resistance adjuster is operated to adjust the flow path resistance of the refrigerant.
  • the pressure of the high-pressure refrigerant on the upstream side and the pressure of the low-pressure refrigerant on the downstream side can be adjusted by the expansion valve 3.
  • the expansion valve 3 is an example of a pressure reducing device that reduces the pressure of the refrigerant.
  • the blower room 22 has a larger space than the machine room 20 to secure an air passage.
  • the blower 5 is incorporated in the blower room 22.
  • the blower 5 includes a plurality of propeller blades and a motor that drives the propeller blades to rotate.
  • the motor and the propeller blades rotate by electric power supplied from the outside.
  • An air refrigerant heat exchanger 4 as a first heat exchanger is provided on the rear side of the blower room 22 so as to face the blower 5.
  • the air-refrigerant heat exchanger 4 includes a large number of aluminum thin plate fins, and a long refrigerant tube that reciprocates several times in close contact with the aluminum thin plate fins.
  • Each fin has a vertically long rectangular shape, and is fixed to the refrigerant pipe in a stacked state with a small gap in the horizontal direction.
  • the air-refrigerant heat exchanger 4 has a flat outer shape bent in an L shape.
  • the air-refrigerant heat exchanger 4 is installed from the rear surface of the heat pump device 100 to the left side surface.
  • the rear end of the air-refrigerant heat exchanger 4 extends to the rear of the machine room 20.
  • the partition plate 6 has a flat outer shape bent in an L-shape, and is installed so as to partition a space from the front surface of the heat pump device 100 to the rear surface end of the air-refrigerant heat exchanger 4. .
  • the air refrigerant heat exchanger 4 heat is exchanged between the refrigerant in the refrigerant pipe and the air around the fins.
  • the air flow of the air flowing between the fins by the blower 5 is increased and adjusted, and the amount of heat exchange is increased and adjusted.
  • the air-refrigerant heat exchanger 4 is an example of an evaporator that evaporates the refrigerant.
  • the water-refrigerant heat exchanger 2 as a second heat exchanger is installed on the bottom plate 7 below the blower room 22.
  • the water-refrigerant heat exchanger 2 is installed on the bottom plate 7 while being covered with a heat insulating member 8 and a protective cover 9.
  • the water-refrigerant heat exchanger 2 is bent so that the long water pipe and the long refrigerant pipe can be housed in the heat insulating member 8 in a state of being in close contact with each other.
  • heat is exchanged between the refrigerant in the refrigerant pipe and the water in the water pipe, that is, the heat medium.
  • water, that is, a heat medium is heated.
  • a blower 5 is arranged above the water-refrigerant heat exchanger 2.
  • the outlet of the compressor 1 is connected to the refrigerant inlet of the water-refrigerant heat exchanger 2 via a discharge pipe.
  • the refrigerant outlet of the water-refrigerant heat exchanger 2 is connected to the inlet of the expansion valve 3 in the machine room 20 via a refrigerant pipe.
  • An outlet of the expansion valve 3 is connected to a refrigerant inlet of the air-refrigerant heat exchanger 4 via a refrigerant pipe.
  • the refrigerant outlet of the air-refrigerant heat exchanger 4 is connected to the inlet of the compressor 1 via a suction pipe.
  • Other refrigerant circuit components may be attached in the middle of each refrigerant pipe.
  • a refrigerant is sealed in a closed space of a refrigerant circuit provided in the heat pump device 100.
  • the refrigerant may be, for example, a CO 2 refrigerant.
  • the heat pump device 100 according to the first embodiment is characterized in that the heat insulating member 8 is fitted to the partition plate 6.
  • FIG. 3 is a perspective view showing the configuration of the heat insulating member and the partition plate.
  • FIG. 4 is a perspective view showing a state where the heat insulating member is fitted to the partition plate.
  • the heat insulating member 8 has a rectangular parallelepiped shape.
  • a contact surface 81 of the side surface of the heat insulating member 8 which contacts the partition plate 6 is provided with a rectangular first opening 11 for communicating a water pipe extending from the water-refrigerant heat exchanger 2 and a refrigerant pipe to the outside.
  • a protruding portion 12 protruding in a rectangular shape toward the partition plate 6 is provided.
  • the partition plate 6 is provided with a notch 10 as a second opening.
  • the cutout portion 10 is a rectangular cutout cutout upward from the lower end of the surface of the partition plate 6 facing the heat insulating member 8. The position and the shape of the notch 10 are determined so that the protrusion 12 of the heat insulating member fits into the notch 10 without a gap when the heat insulating member 8 is fixed to the bottom plate 7.
  • the blower room 22 has a structure that takes in air from the external space, insects, small animals, and the like may enter with the external air. When such foreign matter enters the machine room 20 through the gap of the partition plate 6, there is a possibility that the electronic components installed in the machine room 20 may fail.
  • the notch 10 of the partition plate 6 is fitted into the protrusion 12 of the heat insulating member 8 without any gap.
  • piping can be passed from the blower room 22 to the machine room 20 side without generating a gap in the partition plate 6.
  • the intrusion of foreign matter into the machine room 20 can be suppressed, so that the reliability of the heat pump device 100 can be improved.
  • FIG. 5 is a rear view showing a state where the heat insulating member is fitted to the partition plate.
  • the heat insulating member 8 is mainly disposed on the side surface portion 13 that covers the side surface and the bottom surface side of the water-refrigerant heat exchanger 2, and is disposed above the side surface portion 13. 2 and a cover 14 that covers the upper surface side.
  • the contact portion 82 around the protruding portion 12 is configured at a position lower than the contact portion 83 of the other portion.
  • the contact portion 84 between them is constituted by an inclined surface.
  • the lid 14 can be slid in a direction away from the partition plate 6, the lid 14 can be removed without removing the partition plate 6. Thereby, the state of the water-refrigerant heat exchanger 2 housed in the heat insulating member 8 can be easily checked.
  • FIG. 6 is a diagram showing the arrangement of the protrusions of the heat insulating member.
  • the protruding portion 12 is provided at a rear portion of the contact surface 81 of the heat insulating member 8.
  • the pipe 16 extending from the water-refrigerant heat exchanger 2 into the machine room 20 is routed to the rear side of the compressor 1.
  • the piping of the water-refrigerant heat exchanger 2 is not in the way, so that it is possible to prevent accidental damage to the piping.
  • the heat pump device according to Embodiment 1 described above may employ, for example, the following modified embodiments.
  • the shape of the heat insulating member 8 is not limited to a rectangular parallelepiped as long as the heat insulating member 8 is configured as a storage container that stores the water-refrigerant heat exchanger 2 and is installed in the blower room 22.
  • the first opening 11 may have another shape as long as the pipe of the water-refrigerant heat exchanger 2 passes therethrough.
  • the protruding portion 12 may have another shape as long as the protruding portion 12 fits into the notch portion 10 of the partition plate 6 without any gap.
  • the cutout portion 10 of the partition plate 6 is not limited to the cutout shape as long as the cutout portion 10 is configured as an opening that fits the protrusion portion 12 without a gap, and may be, for example, a hole shape.
  • FIG. 7 is a view showing a modified example of the shapes of the protrusion of the heat insulating member and the cutout of the partition plate.
  • FIG. 7 is a view of the protruding portion 12 and the notch portion 10 viewed from the machine room side.
  • the notch 10 includes an inclined portion 101 that is inclined so that the width of the notch increases from the closing side to the opening side.
  • the side surface 121 of the protruding portion 12 corresponding to the inclined portion 101 is inclined at the same inclination angle so as to fit with the inclined portion 101 without a gap.
  • FIG. 8 is a view showing another modification of the shapes of the protrusion of the heat insulating member and the cutout of the partition plate.
  • FIG. 8 is a view of the protruding portion 12 and the cutout portion 10 viewed from the machine room side as in FIG.
  • the protrusion 12 of the heat insulating member 8 is connected to the notch 10 of the partition plate 6. It is possible to further prevent the notch 10 from being caught and damaged by the protrusion 12 of the heat insulating member 8 and the workability from deteriorating when fitted into the heat insulating member 8.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Abstract

La présente invention concerne un dispositif de pompe à chaleur (100), lequel dispositif comprend : un boîtier; une paroi de séparation (6) qui divise l'espace dans le boîtier en une chambre de machine (20) dans laquelle est reçu un compresseur (1), et une chambre de soufflage d'air (22) dans laquelle sont reçus un premier échangeur de chaleur (4) pour provoquer un échange de chaleur entre un agent réfrigérant et de l'air, une soufflante d'air (5), et un second échangeur de chaleur (2) pour provoquer un échange de chaleur entre l'agent réfrigérant et un milieu thermique; et un récipient de réception (8) dans lequel est reçu le second échangeur de chaleur. Le récipient de réception est configuré de façon à comprendre une première section d'ouverture (11) pour relier, à partir d'une surface latérale de celle-ci jusqu'à l'extérieur, un tuyau (16) s'étendant à partir du second échangeur de chaleur, et une section saillante (12) qui est disposée dans la zone environnante de la première section d'ouverture et qui fait saillie à partir de la surface latérale vers l'extérieur. La paroi de séparation est configurée de façon à comprendre une seconde section d'ouverture (10) pour permettre au tuyau de traverser celle-ci. En outre, le récipient de réception est établi de telle sorte que le tuyau traverse la seconde section d'ouverture à partir du côté de chambre de soufflante d'air jusqu'au côté de chambre de machine et la section en saillie est adaptée dans la seconde section d'ouverture.
PCT/JP2018/024895 2018-06-29 2018-06-29 Dispositif de pompe à chaleur Ceased WO2020003511A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18923910.6A EP3816535A4 (fr) 2018-06-29 2018-06-29 Dispositif de pompe à chaleur
JP2020527142A JP6940000B2 (ja) 2018-06-29 2018-06-29 ヒートポンプ装置
PCT/JP2018/024895 WO2020003511A1 (fr) 2018-06-29 2018-06-29 Dispositif de pompe à chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/024895 WO2020003511A1 (fr) 2018-06-29 2018-06-29 Dispositif de pompe à chaleur

Publications (1)

Publication Number Publication Date
WO2020003511A1 true WO2020003511A1 (fr) 2020-01-02

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Application Number Title Priority Date Filing Date
PCT/JP2018/024895 Ceased WO2020003511A1 (fr) 2018-06-29 2018-06-29 Dispositif de pompe à chaleur

Country Status (3)

Country Link
EP (1) EP3816535A4 (fr)
JP (1) JP6940000B2 (fr)
WO (1) WO2020003511A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011196560A (ja) 2010-03-17 2011-10-06 Panasonic Corp ヒートポンプ給湯機
JP2012145274A (ja) * 2011-01-12 2012-08-02 Mitsubishi Electric Corp ヒートポンプ給湯室外機
JP2012247186A (ja) * 2012-09-14 2012-12-13 Panasonic Corp ヒートポンプ給湯機
JP2013047591A (ja) * 2011-08-29 2013-03-07 Noritz Corp ヒートポンプ給湯装置
JP2016191535A (ja) * 2015-03-31 2016-11-10 ダイキン工業株式会社 室外機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5333287B2 (ja) * 2010-02-24 2013-11-06 株式会社富士通ゼネラル 空気調和機の室外機
JP6489211B2 (ja) * 2015-05-11 2019-03-27 三菱電機株式会社 ヒートポンプ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011196560A (ja) 2010-03-17 2011-10-06 Panasonic Corp ヒートポンプ給湯機
JP2012145274A (ja) * 2011-01-12 2012-08-02 Mitsubishi Electric Corp ヒートポンプ給湯室外機
JP2013047591A (ja) * 2011-08-29 2013-03-07 Noritz Corp ヒートポンプ給湯装置
JP2012247186A (ja) * 2012-09-14 2012-12-13 Panasonic Corp ヒートポンプ給湯機
JP2016191535A (ja) * 2015-03-31 2016-11-10 ダイキン工業株式会社 室外機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3816535A4 *

Also Published As

Publication number Publication date
JP6940000B2 (ja) 2021-09-22
EP3816535A1 (fr) 2021-05-05
EP3816535A4 (fr) 2021-06-23
JPWO2020003511A1 (ja) 2021-06-24

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