EP4102143A1 - Heat pump heat source device - Google Patents

Heat pump heat source device Download PDF

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Publication number
EP4102143A1
EP4102143A1 EP22175558.0A EP22175558A EP4102143A1 EP 4102143 A1 EP4102143 A1 EP 4102143A1 EP 22175558 A EP22175558 A EP 22175558A EP 4102143 A1 EP4102143 A1 EP 4102143A1
Authority
EP
European Patent Office
Prior art keywords
grill
compressor
heat source
blower
source device
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
EP22175558.0A
Other languages
German (de)
French (fr)
Inventor
Yohei MATSUNAMI
Tatsuhiro Kobayashi
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP4102143A1 publication Critical patent/EP4102143A1/en
Pending 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
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards

Definitions

  • the present disclosure relates to a heat pump heat source device.
  • Patent document 1 discloses a configuration of a heat pump hot water supply device having a refrigerant circuit and a hot water supply circuit therein, and the refrigerant circuit and the hot water supply circuit are covered with an exterior body.
  • refrigerant circuit-side front plate in front of an evaporator of a refrigerant circulation circuit, and there is a hot water supply circuit-side front plate in front of the hot water supply circuit such as a hot water tank.
  • the refrigerant circuit-side front plate and the hot water supply circuit-side front plate are different things, front surfaces of them are secured respectively through a screw, and they form the exterior body.
  • Patent Document 1 Japanese Patent Application Laid-open No.2005-337597
  • the present disclosure provides a heat pump heat source device which is excellent in design and maintainability.
  • a heat pump heat source device of the present disclosure includes: a refrigerant circuit composed of at least a compressor and a heat source-side heat exchanger; a blower for generating air which exchanges heat with the heat source-side heat exchanger ; a partition plate for partitioning the compressor and the blower from each other; a first grill for covering the compressor from front; a second grill which is placed in parallel to the first grill and which covers the blower from front; and a main body 1 provided with at least the compressor and the blower therein, wherein a portion where the first grill is fastened to the main body through fastening means is only a portion where the first grill forms a ceiling surface and/or a side surface of the main body.
  • Fig. 1 is a development view of a heat pump heat source device in an embodiment of the present invention
  • Fig. 2 is a perspective view of the heat pump heat source device
  • Fig. 3 is another perspective view of the heat pump heat source device.
  • Fig. 4 is a front view of the heat pump heat source device in the embodiment
  • Fig. 5(a) is an enlarged view of a portion A in Fig. 3
  • Fig. 5(b) is an enlarged view of a portion B in Fig. 4 .
  • Fig. 6(a) is an enlarged view of a portion C in Fig. 4
  • Fig. 6(b) is an enlarged view of a portion D in Fig. 4
  • Fig. 7 is an overall view of the heat pump heat source device of the embodiment.
  • a configuration of the heat pump heat source device of the embodiment will be described below based on Figs. 1 to 7 .
  • the heat pump heat source device in the embodiment is an outdoor unit including at least a compressor 2 and a heat source-side heat exchanger 3 of a refrigerant circuit 4 which is composed of the compressor 2, a radiator (not shown), a decompressor (not shown) and the heat source-side heat exchanger 3, and a blower 5 for generating air which exchanges heat with heat source-side heat exchanger 3.
  • the compressor 2 and the blower 5 are placed horizontally in parallel on a bottom plate 10 in a main body 1 of the outdoor unit.
  • the heat source-side heat exchanger 3 is placed at least in the rear of the blower 5.
  • a top plate 9 is provided above the compressor 2 and the blower 5.
  • the blower 5 is composed of a motor and a propeller fan.
  • a partition plate 6 is provided to partition the compressor 2 and the blower 5 from each other, i.e., to partition the compressor 2 and the blower 5 from each other in the horizontal direction.
  • a blast room where the blower 5 is placed and a machine room where the compressor 2 is placed are formed.
  • a compressor-side casing 7 covering the compressor 2 from front and a blower-side casing 8 covering the blower 5 from front and having a blast port are placed in parallel in the horizontal direction.
  • a lattice-shaped first grill 11 is provided outside the compressor-side casing 7.
  • the first grill 11 is a casing on the side of the compressor 2.
  • a lattice-shaped second grill 12 is provided outside the blower-side casing 8.
  • the second grill 12 is a casing on the side of the blower 5.
  • the second grill 12 has ventilating performance.
  • the first grill 11 and the second grill 12 are placed in adjacent to each other in parallel in the horizontal direction.
  • the first grill 11 and the second grill 12 form a front surface of the main body 1.
  • Figs. 5(a), 5(b) , 6(a) and 6(b) respectively show enlarged views of a portion A in Fig. 3 , a portion B in Fig. 4 , a portion C in Fig. 4 and a portion D in Fig. 4 .
  • a plurality of projections 11a which are engaging portions are provided on a side surface of the first grill 11 which is in contact with the second grill 12.
  • a plurality of inserting portions 12a which are engaged portions are provided on a side surface of the second grill 12 which is in contact with the first grill 11.
  • a plurality of L-shaped fixing portions 12b are provided on an outer surface of the compressor-side casing 7 on the inner side of the first grill 11. Thread portions 12c which are threaded are provided in projecting sides of the L-shaped fixing portions 12b.
  • a plurality of penetrating portions 11b are provided only on a portion (side surface) where the first grill 11 forms a side surface of the main body 1.
  • the projections 11a which are the engaging portions provided on the side surface of the first grill 11 are inserted into the inserting portions 12a which are engaged portions provided on the side surface of the second grill 12. According to this, by bringing the first grill 11 close to the second grill 12, the first grill 11 is temporarily fixed to the main body 1.
  • the fastening means is detached and the first grill 11 is separated from the second grill 12. According to this, the first grill 11 can easily be detached from the second grill 12.
  • portions (penetrating portions 11b) where the first grill 11 is fastened by the fastening means are only a portion (side surface) where the first grill 11 forms the side surface of the main body 1.
  • the inserting portions 12a which are the engaged portions may be provided on the bottom plate 10, and the penetrating portions 11b may be provided only on the portion where the first grill 11 forms a ceiling surface of the main body 1.
  • the penetrating portions 11b may be provided on both the portion where the first grill 11 forms the ceiling surface of the main body and the portion where the first grill 11 forms the side surface of the main body 1.
  • the heat pump heat source device includes at least the compressor 2, the refrigerant circuit 4 composed of the heat source-side heat exchanger 3, the blower 5 for generating air which exchanges heat with the heat source-side heat exchanger 3, the partition plate 6 which partitions the compressor 2 and the blower 5 from each other, the first grill 11 which covers the compressor 2 from front, the second grill 12 which is placed in parallel to the first grill 11 and which covers the blower 5 from front, and the main body 1 provided therein with at least the compressor 2 and the blower 5, and the portion where the first grill 11 is fastened to the main body 1 by the fastening means is only the portion where the first grill 11 forms the ceiling surface and/or the side surface of the main body 1.
  • the portion which is fastened by the fastening means is not provided on the front surface of the main body 1. Therefore, it is possible to provide the heat pump heat source device which is excellent in design.
  • the first grill 11 can be detached from the main body 1 only by detaching the fastening means of the first grill 11. Therefore, it is possible to provide the heat pump heat source device which is excellent in maintainability.
  • the engaging portions 11a are provided on the side surface of the first grill 11, and the engaged portions 12a are provided on the side surface of the second grill 12.
  • the first grill 11 and the second grill 12 which form a front surface of the main body 1 and which are placed in parallel to each other can be placed in adjacent to each other without a gap. Therefore, it is possible to provide the heat pump heat source device which is excellent in design.
  • fastening means is not used to support the first grill 11 on the second grill 12, it is possible to easily detach the first grill 11 from the main body 1. Therefore, it is possible to provide the heat pump heat source device which is excellent in maintainability.
  • the propeller fan of the blower 5 is rotating, but the second grill 12 is attached. Therefore, the propeller fan of the blower 5 is guarded, and it is possible to provide a safe heat pump heat source device.
  • the compressor-side casing 7 is provided on the inner side of the first grill 11.
  • the compressor-side casing 7 covers the compressor 2 from front and the outer surface of the compressor-side casing 7 has the fixing portions 12b.
  • the fixing portions 12b and the portion where the first grill 11 forms the ceiling surface and/or the side surface of the main body 1 are fastened to each other through the fastening means.
  • the portion which is fastened by the fastening means is not provided on the front surface of the main body 1. Therefore, it is possible to provide the heat pump heat source device which is excellent in design.
  • a front portion of the compressor 2 is of a double-casing structure. Therefore, it is possible to provide a heat pump heat source device which can reduce vibration and noise.
  • the present disclosure can provide a heat pump heat source device which is excellent in design and maintainability. Therefore, the present invention is useful especially in a heat pump hot water supply device and a heat pump type hydronic heater.

Landscapes

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

Abstract

A heat pump heat source device including: a refrigerant circuit 4 composed of at least a compressor 2 and a heat source-side heat exchanger 3; a blower 5 for generating air which exchanges heat with the heat source-side heat exchanger 3; a partition plate 6 for partitioning the compressor 2 and the blower 5 from each other; a first grill 11 for covering the compressor 2 from front; a second grill 12 which is placed in parallel to the first grill 11 and which covers the blower 5 from front; and a main body 1 provided with at least the compressor 2 and the blower 5 therein, wherein a portion where the first grill 11 is fastened to the main body 1 through fastening means is only a portion where the first grill 11 forms a ceiling surface and/or a side surface of the main body 1. According to this, a heat pump heat source device which is excellent in design and maintainability is provided.

Description

    [TECHNICAL FIELD]
  • The present disclosure relates to a heat pump heat source device.
    • [BACKGROUND TECHNIQUE]
  • Patent document 1 discloses a configuration of a heat pump hot water supply device having a refrigerant circuit and a hot water supply circuit therein, and the refrigerant circuit and the hot water supply circuit are covered with an exterior body.
  • There is a refrigerant circuit-side front plate in front of an evaporator of a refrigerant circulation circuit, and there is a hot water supply circuit-side front plate in front of the hot water supply circuit such as a hot water tank. The refrigerant circuit-side front plate and the hot water supply circuit-side front plate are different things, front surfaces of them are secured respectively through a screw, and they form the exterior body.
    • [PRIOR ART DOCUMENT] [PATENT DOCUMENT]
  • [Patent Document 1] Japanese Patent Application Laid-open No.2005-337597
    • [SUMMARY OF THE INVENTION] [PROBLEM TO BE SOLVED BY THE INVENTION]
  • The present disclosure provides a heat pump heat source device which is excellent in design and maintainability.
    • [MEANS FOR SOLVING THE PROBLEM]
  • A heat pump heat source device of the present disclosure includes: a refrigerant circuit composed of at least a compressor and a heat source-side heat exchanger; a blower for generating air which exchanges heat with the heat source-side heat exchanger ; a partition plate for partitioning the compressor and the blower from each other; a first grill for covering the compressor from front; a second grill which is placed in parallel to the first grill and which covers the blower from front; and a main body 1 provided with at least the compressor and the blower therein, wherein a portion where the first grill is fastened to the main body through fastening means is only a portion where the first grill forms a ceiling surface and/or a side surface of the main body.
    • [EFFECT OF THE INVENTION]
  • According to the disclosure, it is possible to provide a heat pump heat source device which is excellent in design and maintainability.
    • [BRIEF DESCRIPTION OF THE DRAWINGS]
    • Fig. 1 is a development view of a heat pump heat source device in an embodiment of the present invention;
    • Fig. 2 is a perspective view of the heat pump heat source device;
    • Fig. 3 is another perspective view of the heat pump heat source device;
    • Fig. 4 is a front view of the heat pump heat source device;
    • Fig. 5(a) is an enlarged view of a portion A in Fig. 3, and Fig. 5(b) is an enlarged view of a portion B in Fig. 4;
    • Fig. 6(a) is an enlarged view of a portion C in Fig. 4, and Fig. 6(b) is an enlarged view of a portion D in Fig. 4; and
    • Fig. 7 is an overall view of the heat pump heat source device.
    [MODE FOR CARRYING OUT THE INVENTION]
  • An embodiment will be described in detail below with reference to the drawings. Description which is detail more than necessary will be omitted in some cases. For example, detailed description of already well known matters, or redundant description of substantially the same configuration will be omitted in some cases.
  • The accompanying drawing and the following description are provided so that a person skilled in the art can sufficiently understand the present disclosure, and it is not intended that they limit the subject matter described in claims.
    • [1-1. Configuration]
  • Fig. 1 is a development view of a heat pump heat source device in an embodiment of the present invention, Fig. 2 is a perspective view of the heat pump heat source device, and Fig. 3 is another perspective view of the heat pump heat source device.
  • Fig. 4 is a front view of the heat pump heat source device in the embodiment, Fig. 5(a) is an enlarged view of a portion A in Fig. 3, and Fig. 5(b) is an enlarged view of a portion B in Fig. 4.
  • Further, Fig. 6(a) is an enlarged view of a portion C in Fig. 4, Fig. 6(b) is an enlarged view of a portion D in Fig. 4, and Fig. 7 is an overall view of the heat pump heat source device of the embodiment.
  • A configuration of the heat pump heat source device of the embodiment will be described below based on Figs. 1 to 7.
  • The heat pump heat source device in the embodiment is an outdoor unit including at least a compressor 2 and a heat source-side heat exchanger 3 of a refrigerant circuit 4 which is composed of the compressor 2, a radiator (not shown), a decompressor (not shown) and the heat source-side heat exchanger 3, and a blower 5 for generating air which exchanges heat with heat source-side heat exchanger 3.
  • The compressor 2 and the blower 5 are placed horizontally in parallel on a bottom plate 10 in a main body 1 of the outdoor unit. The heat source-side heat exchanger 3 is placed at least in the rear of the blower 5. A top plate 9 is provided above the compressor 2 and the blower 5. The blower 5 is composed of a motor and a propeller fan.
  • A partition plate 6 is provided to partition the compressor 2 and the blower 5 from each other, i.e., to partition the compressor 2 and the blower 5 from each other in the horizontal direction. A blast room where the blower 5 is placed and a machine room where the compressor 2 is placed are formed.
  • A compressor-side casing 7 covering the compressor 2 from front and a blower-side casing 8 covering the blower 5 from front and having a blast port are placed in parallel in the horizontal direction.
  • A lattice-shaped first grill 11 is provided outside the compressor-side casing 7. The first grill 11 is a casing on the side of the compressor 2.
  • A lattice-shaped second grill 12 is provided outside the blower-side casing 8. The second grill 12 is a casing on the side of the blower 5. The second grill 12 has ventilating performance.
  • The first grill 11 and the second grill 12 are placed in adjacent to each other in parallel in the horizontal direction. The first grill 11 and the second grill 12 form a front surface of the main body 1.
  • Figs. 5(a), 5(b), 6(a) and 6(b) respectively show enlarged views of a portion A in Fig. 3, a portion B in Fig. 4, a portion C in Fig. 4 and a portion D in Fig. 4.
  • In Figs. 4, 5(a) and 5(b), a plurality of projections 11a which are engaging portions are provided on a side surface of the first grill 11 which is in contact with the second grill 12. A plurality of inserting portions 12a which are engaged portions are provided on a side surface of the second grill 12 which is in contact with the first grill 11.
  • In Fig. 6(a), a plurality of L-shaped fixing portions 12b are provided on an outer surface of the compressor-side casing 7 on the inner side of the first grill 11. Thread portions 12c which are threaded are provided in projecting sides of the L-shaped fixing portions 12b.
  • In Fig. 6(b), a plurality of penetrating portions 11b are provided only on a portion (side surface) where the first grill 11 forms a side surface of the main body 1.
  • Next, attaching and detaching configurations of the first grill 11 will be described based on Figs. 3 to 7.
  • The projections 11a which are the engaging portions provided on the side surface of the first grill 11 are inserted into the inserting portions 12a which are engaged portions provided on the side surface of the second grill 12. According to this, by bringing the first grill 11 close to the second grill 12, the first grill 11 is temporarily fixed to the main body 1.
  • At that time, positions of the plurality of thread portions 12c provided on the projecting sides of the plurality of L-shaped fixing portions 12b provided on the compressor-side casing 7 and positions of the plurality of penetrating portions 11b provided on the first grill 11 coincide with each other. Therefore, by fixing the thread portions 12c and the penetrating portions 11b to each other by fastening means such as screws, it is possible to easily attach the first grill 11 to the second grill 12.
  • When the first grill 11 is detached from the second grill 12, the fastening means is detached and the first grill 11 is separated from the second grill 12. According to this, the first grill 11 can easily be detached from the second grill 12.
  • That is, portions (penetrating portions 11b) where the first grill 11 is fastened by the fastening means are only a portion (side surface) where the first grill 11 forms the side surface of the main body 1.
  • The inserting portions 12a which are the engaged portions may be provided on the bottom plate 10, and the penetrating portions 11b may be provided only on the portion where the first grill 11 forms a ceiling surface of the main body 1.
  • The penetrating portions 11b may be provided on both the portion where the first grill 11 forms the ceiling surface of the main body and the portion where the first grill 11 forms the side surface of the main body 1.
    • [1-2. Effect and the like]
  • In the embodiment, as described above, the heat pump heat source device includes at least the compressor 2, the refrigerant circuit 4 composed of the heat source-side heat exchanger 3, the blower 5 for generating air which exchanges heat with the heat source-side heat exchanger 3, the partition plate 6 which partitions the compressor 2 and the blower 5 from each other, the first grill 11 which covers the compressor 2 from front, the second grill 12 which is placed in parallel to the first grill 11 and which covers the blower 5 from front, and the main body 1 provided therein with at least the compressor 2 and the blower 5, and the portion where the first grill 11 is fastened to the main body 1 by the fastening means is only the portion where the first grill 11 forms the ceiling surface and/or the side surface of the main body 1.
  • According to this, the portion which is fastened by the fastening means is not provided on the front surface of the main body 1. Therefore, it is possible to provide the heat pump heat source device which is excellent in design.
  • When maintenance is necessary, the first grill 11 can be detached from the main body 1 only by detaching the fastening means of the first grill 11. Therefore, it is possible to provide the heat pump heat source device which is excellent in maintainability.
  • The engaging portions 11a are provided on the side surface of the first grill 11, and the engaged portions 12a are provided on the side surface of the second grill 12.
  • According to this, the first grill 11 and the second grill 12 which form a front surface of the main body 1 and which are placed in parallel to each other can be placed in adjacent to each other without a gap. Therefore, it is possible to provide the heat pump heat source device which is excellent in design.
  • Further, since fastening means is not used to support the first grill 11 on the second grill 12, it is possible to easily detach the first grill 11 from the main body 1. Therefore, it is possible to provide the heat pump heat source device which is excellent in maintainability.
  • When maintenance in the machine room where the compressor 2 and the like are placed is carried out, it is only necessary to detach only the first grill 11, and it is unnecessary to detach the second grill 12. Therefore, it is possible to provide the heat pump heat source device which is excellent in maintainability.
  • Further, when maintenance in the machine room where the compressor 2 and the like are placed is carried out while operating or test-operating the heat pump heat source device, the propeller fan of the blower 5 is rotating, but the second grill 12 is attached. Therefore, the propeller fan of the blower 5 is guarded, and it is possible to provide a safe heat pump heat source device.
  • The compressor-side casing 7 is provided on the inner side of the first grill 11. The compressor-side casing 7 covers the compressor 2 from front and the outer surface of the compressor-side casing 7 has the fixing portions 12b. The fixing portions 12b and the portion where the first grill 11 forms the ceiling surface and/or the side surface of the main body 1 are fastened to each other through the fastening means.
  • According to this, the portion which is fastened by the fastening means is not provided on the front surface of the main body 1. Therefore, it is possible to provide the heat pump heat source device which is excellent in design.
  • Further, a front portion of the compressor 2 is of a double-casing structure. Therefore, it is possible to provide a heat pump heat source device which can reduce vibration and noise.
    • [INDUSTRIAL APPLICABILITY]
  • The present disclosure can provide a heat pump heat source device which is excellent in design and maintainability. Therefore, the present invention is useful especially in a heat pump hot water supply device and a heat pump type hydronic heater.
    • [EXPLANATION OF SYMBOLS]
    • 1
    main body
    2
    compressor
    3
    heat source-side heat exchanger
    4
    refrigerant circuit
    5
    blower
    6
    partition plate
    7
    compressor-side casing
    8
    blower-side casing
    9
    top plate
    10
    bottom plate
    11
    first grill
    11a
    projections (engaging portions)
    11b
    penetrating portions
    12
    second grill
    12a
    inserting portions (engaged portions)
    12b
    fixing portions
    12c
    thread portion

Claims (3)

  1. A heat pump heat source device comprising:
    a refrigerant circuit (4) composed of at least a compressor (2) and a heat source-side heat exchanger (3);
    a blower (5) for generating air which exchanges heat with the heat source-side heat exchanger (3);
    a partition plate (6) for partitioning the compressor (2) and the blower (5) from each other;
    a first grill (11) for covering the compressor (2) from front;
    a second grill (12) which is placed in parallel to the first grill (11) and which covers the blower (5) from front; and
    a main body (1) provided with at least the compressor (2) and the blower (5) therein, wherein
    a portion where the first grill (11) is fastened to the main body (1) through fastening means is only a portion where the first grill (11) forms a ceiling surface and/or a side surface of the main body (1).
  2. The heat pump heat source device according to claim 1, wherein
    an engaging portion (11a) is provided on a side surface of the first grill (11), and an engaged portion (12a) is provided on a side surface of the second grill (12) .
  3. The heat pump heat source device according to claim 1 or 2, wherein
    a compressor-side casing (7) which covers the compressor (2) from front is provided on an inner side of the first grill (11), an outer surface of the compressor-side casing (7) includes a fixing portion (12b), the fixing portion (12b) and the portion which forms the ceiling surface and/or the side surface of the main body (1) of the first grill (11) are fastened to each other through the fastening means.
EP22175558.0A 2021-06-07 2022-05-25 Heat pump heat source device Pending EP4102143A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021094850A JP2022187051A (en) 2021-06-07 2021-06-07 heat pump heat source machine

Publications (1)

Publication Number Publication Date
EP4102143A1 true EP4102143A1 (en) 2022-12-14

Family

ID=81850569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22175558.0A Pending EP4102143A1 (en) 2021-06-07 2022-05-25 Heat pump heat source device

Country Status (2)

Country Link
EP (1) EP4102143A1 (en)
JP (1) JP2022187051A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005337597A (en) 2004-05-27 2005-12-08 Matsushita Electric Ind Co Ltd Heat pump water heater
JP2007247984A (en) * 2006-03-16 2007-09-27 Matsushita Electric Ind Co Ltd Outdoor unit for air conditioner
EP2481994A1 (en) * 2011-01-31 2012-08-01 Fujitsu General Limited Outdoor unit of air conditioner
EP2840326A1 (en) * 2013-07-10 2015-02-25 Mitsubishi Heavy Industries, Ltd. Air conditioner outdoor unit
WO2018193520A1 (en) * 2017-04-18 2018-10-25 三菱電機株式会社 Outdoor unit, air conditioner, and method for manufacturing outdoor unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005337597A (en) 2004-05-27 2005-12-08 Matsushita Electric Ind Co Ltd Heat pump water heater
JP2007247984A (en) * 2006-03-16 2007-09-27 Matsushita Electric Ind Co Ltd Outdoor unit for air conditioner
EP2481994A1 (en) * 2011-01-31 2012-08-01 Fujitsu General Limited Outdoor unit of air conditioner
EP2840326A1 (en) * 2013-07-10 2015-02-25 Mitsubishi Heavy Industries, Ltd. Air conditioner outdoor unit
WO2018193520A1 (en) * 2017-04-18 2018-10-25 三菱電機株式会社 Outdoor unit, air conditioner, and method for manufacturing outdoor unit

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