EP3385627B1 - Outdoor unit - Google Patents

Outdoor unit Download PDF

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Publication number
EP3385627B1
EP3385627B1 EP15909686.6A EP15909686A EP3385627B1 EP 3385627 B1 EP3385627 B1 EP 3385627B1 EP 15909686 A EP15909686 A EP 15909686A EP 3385627 B1 EP3385627 B1 EP 3385627B1
Authority
EP
European Patent Office
Prior art keywords
fan
body casing
outdoor unit
unit
intake
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.)
Active
Application number
EP15909686.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3385627A4 (en
EP3385627A1 (en
Inventor
Yutaka Aoyama
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
Publication of EP3385627A1 publication Critical patent/EP3385627A1/en
Publication of EP3385627A4 publication Critical patent/EP3385627A4/en
Application granted granted Critical
Publication of EP3385627B1 publication Critical patent/EP3385627B1/en
Active 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
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • 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
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction

Definitions

  • the present invention relates to an outdoor unit configured to suck air from a lateral side and blow out the sucked air upward.
  • Patent Literature 1 Conventionally, outdoor units that suck air from a lateral side and blow out the sucked air upward are known (see, for example, Patent Literature 1).
  • JP H02-38027 U discloses an outdoor unit having a rear-face network, two side boards, and a dark room board.
  • the two side boards have vents by which the opening was carried out to the portion to which it corresponds to a heat exchanger.
  • the outdoor unit comprises the heat exchanger and a fan with a motor and a motor mounting.
  • JP 2001-304624 A discloses an outdoor unit of an air conditioner.
  • the problem to be solved is to provide an outdoor unit decreased in the size of the whole of an outdoor unit by decreasing the outline size of the outdoor unit of an air conditioner and increased in capacity, when an outline is the same as that of a body.
  • the solution is that a heat exchanger and a blower are contained in a body. The upper part of the heat exchanger is covered by a top plate, and a fan motor to drive the blower is fixed at the top plate via a fitting.
  • the other end of the fitment is fixed in close vicinity to the heat exchanger and on the back side of the top plate, and a heat transfer pipe is inserted on the opposite side to the position, situated opposite to the other end of the fitment of the heat exchanger.
  • Patent Literature 1 Japanese Patent No. 5398283
  • the present invention has been made in view of the above problem and has an object to provide a downsized outdoor unit.
  • An outdoor unit according to the present invention is defined in claim 1.
  • the present invention provides a downsized outdoor unit.
  • Fig. 1 is a diagram showing an example of a configuration of an outdoor unit according to Embodiment 1 of the present invention
  • Fig. 2 is a diagram showing an example of a configuration of an indoor unit connected to the outdoor unit shown in Fig. 1 .
  • the outdoor unit 1 shown in Fig. 1 and the indoor unit 200 shown in Fig. 2 are connected with each other via refrigerant pipes, thereby making up a non-illustrated refrigeration cycle apparatus.
  • the non-illustrated refrigeration cycle apparatus is applied, for example, to air-conditioning devices configured to air-condition buildings, commercial facilities, or the like.
  • the outdoor unit 1 and indoor unit 200 are interconnected via the refrigerant pipes at least a compressor 12, a flow path selector 14, a use side heat exchanger 202, an expansion device 204, and a heat exchanger 18 are interconnected via the refrigerant pipes, forming a refrigerant circuit in which refrigerant circulates.
  • the indoor unit 200 shown in Fig. 2 is installed in a room or the like to be air-conditioned and equipped, for example, with the use side heat exchanger 202 and expansion device 204.
  • the use side heat exchanger 202 is designed to exchange heat, for example, between refrigerant and air, and is configured to include, for example, a heat transfer tube through which the refrigerant flows, and plural fins attached to the heat transfer tube.
  • An indoor fan (not illustrated) configured to send air to the use side heat exchanger 202 is installed in a neighborhood of the use side heat exchanger 202.
  • the expansion device 204 is designed to expand refrigerant and is, for example, an LEV (linear electronic expansion valve) whose opening degree can be adjusted, but may be a capillary tube or the like whose opening degree cannot be adjusted.
  • LEV linear electronic expansion valve
  • the outdoor unit 1 shown in Fig. 1 is installed outdoors outside the room and functions as a heat source apparatus configured to discharge or supply heat produced by air-conditioning.
  • the outdoor unit 1 includes a compressor 12, a first flow path selector 14A, a second flow path selector 14B, a first decompressor 16A, a second decompressor 16B, a first heat exchanger 18A, a second heat exchanger 18B, and an accumulator 26.
  • first flow path selector 14A and second flow path selector 14B may be referred to simply as a flow path selector 14
  • the first decompressor 16A and second decompressor 16B may be referred to simply as a decompressor 16
  • the first heat exchanger 18A and second heat exchanger 18B may be referred to simply as a heat exchanger 18.
  • the compressor 12 is designed to suck and compress refrigerant, and then discharge the refrigerant in a high-temperature, high-pressure state.
  • the compressor 12 is, for example, a capacity-controllable inverter compressor, but may be a constant velocity type.
  • the flow path selector 14 is designed to switch between heating flow path and cooling flow path according to operation mode, which is switched between cooling operation and heating operation, and is made up, for example, of a four-way valve.
  • the flow path selector 14 may be configured by combining plural two-way valves or the like.
  • the decompressor 16 is designed to decompress the refrigerant caused to flow into the heat exchanger 18 and is, for example, a motor-operated valve whose opening degree can be adjusted, but may be a capillary tube or the like whose opening degree cannot be adjusted.
  • the heat exchanger 18 is designed to exchange heat between refrigerant and air, and is configured to include, for example, a heat transfer tube through which the refrigerant flows, and plural fins attached to the heat transfer tube.
  • the heat transfer tube has, for example, a circular or flat shape. The fins are disposed in a direction parallel to a direction in which air flows.
  • the accumulator 26 is designed to accumulate the refrigerant and is connected to a suction side of the compressor 12. Of the refrigerant accumulated in the accumulator 26, the compressor 12 sucks gas refrigerant.
  • each of the first flow path selector 14A and second flow path selector 14B shown in Fig. 1 is interconnecting flow paths as indicated by dashed lines. That is, the first flow path selector 14A and second flow path selector 14B are connecting a discharge side of the compressor 12 to the first heat exchanger 18A and second heat exchanger 18B while connecting the suction side of the compressor 12 to the use side heat exchanger 202 of the indoor unit 200 shown in Fig. 2 via the accumulator 26.
  • the refrigerant condensed by flowing through the first heat exchanger 18A and second heat exchanger 18B flows out of the outdoor unit 1 and flows into the indoor unit 200 shown in Fig. 2 .
  • the refrigerant flowing into the indoor unit 200 is expanded in the expansion device 204 and flows through the use side heat exchanger 202.
  • the refrigerant evaporated while flowing through the use side heat exchanger 202 flows out of the indoor unit 200 and flows into the outdoor unit 1 shown in Fig. 1 .
  • the refrigerant flowing into the outdoor unit 1 is accumulated in the accumulator 26 via the first flow path selector 14A.
  • the refrigerant accumulated in the accumulator 26 is sucked into the compressor 12 and compressed again.
  • each of the first flow path selector 14A and second flow path selector 14B shown in Fig. 1 is interconnecting flow paths as indicated by solid lines. That is, the first flow path selector 14A and second flow path selector 14B are connecting the discharge side of the compressor 12 to the use side heat exchanger 202 of the indoor unit 200 shown in Fig. 2 while connecting the suction side of the compressor 12 shown in Fig. 1 to the first heat exchanger 18A and second heat exchanger 18B via the accumulator 26.
  • the refrigerant compressed by the compressor 12 flows out of the outdoor unit 1 via the first flow path selector 14A and flows into the indoor unit 200 shown in Fig. 2 .
  • the refrigerant flowing into the indoor unit 200 flows to the use side heat exchanger 202, condensed, and expanded in the expansion device 204.
  • the refrigerant expanded in the expansion device 204 flows out of the indoor unit 200 and flows into the outdoor unit 1 shown in Fig. 1 .
  • the refrigerant flowing into the outdoor unit 1 is decompressed in the first decompressor 16A and second decompressor 16B and flows through the first heat exchanger 18A and second heat exchanger 18B.
  • the refrigerant evaporated while flowing through the first heat exchanger 18A and second heat exchanger 18B is accumulated in the accumulator 26 via the first flow path selector 14A and second flow path selector 14B.
  • the refrigerant accumulated in the accumulator 26 is sucked into the compressor 12 and compressed again.
  • Fig. 3 is a diagram of a front face and left side face of the outdoor unit according to Embodiment 1 of the present invention as viewed obliquely
  • Fig. 4 is a diagram of a rear face and right side face of the outdoor unit shown in Fig. 3 as viewed obliquely
  • Fig. 5 is a diagram schematically showing a cross section of a heat exchange chamber of the outdoor unit shown in Figs. 3 and 4
  • Fig. 6 is a diagram schematically showing a cross section of that part of the outdoor unit shown in Figs. 3 and 4 in which a fan unit is housed
  • Fig. 7 is a diagram describing how a mounting member shown in Fig. 6 is attached to a body casing
  • Fig. 8 is an enlarged view of a fan motor and the mounting member shown in Fig. 7 .
  • a specific structure of the outdoor unit 1 according to the present embodiment will be described with reference to Figs. 3 to 8 .
  • the outdoor unit 1 includes a body casing 101, which houses a compressor 12, a flow path selector 14, a decompressor 16, a heat exchanger 18, an accumulator 26, and other components inside.
  • the body casing 101 has, for example, a cuboid shape, in which intake portions 104 configured to suck air are formed in lateral sides and a blowout portion 109 is formed in a top to blow out air. That is, the outdoor unit 1 according to the present embodiment sucks air from the lateral sides and blows out the sucked air through the top.
  • a lower part of the body casing 101 is covered with an open/close panel 102A, a left lower panel 102B, a rear lower panel 102C, and a right lower panel 102D, forming a machine chamber 103 in which, for example, the compressor 12 is housed.
  • the open/close panel 102A, left lower panel 102B, rear lower panel 102C, and right lower panel 102D are substantially flat-plate members, making up an outer shell of a lower part of the outdoor unit 1.
  • the open/close panel 102A is disposed in a lower part of the front face of the outdoor unit 1, the left lower panel 102B is disposed in a lower part of the left side face of the outdoor unit 1, the rear lower panel 102C is disposed in a lower part of the rear face of the outdoor unit 1, and the right lower panel 102D is disposed in a lower part of the right side face of the outdoor unit 1.
  • the open/close panel 102A shown in Fig. 3 is attached openably/closably to the body casing 101. By opening the open/close panel 102A, it is possible to perform maintenance and the like of the compressor 12, electrical component box (not illustrated), and the like disposed inside the body casing 101. Note that in the outdoor unit 1 in the example of the present embodiment, all or part of the open/close panel 102A, left lower panel 102B, rear lower panel 102C, and right lower panel 102D may be omitted.
  • a heat exchange chamber 105 housing the heat exchanger 18 is formed on top of the machine chamber 103 of the body casing 101.
  • the intake portions 104 configured to suck air are provided all around the body casing 101. That is, the body casing 101 includes a front intake portion 104A configured to suck air through a front face, a left intake portion 104B configured to suck air through a left side face, a rear intake portion 104C configured to suck air through a rear face, and a right intake portion 104D configured to suck air through a right face.
  • a panel in which plural air inlets configured to pass air is formed on each of the front intake portion 104A, left intake portion 104B, rear intake portion 104C, and right intake portion 104D.
  • the outdoor unit 1 may be a frame-type outdoor unit in which panels are omitted.
  • an upper part of the heat exchange chamber 105 of the body casing 101 forms a bell-mouth unit 106.
  • the bell-mouth unit 106 has a cylindrical shape, with the blowout portion 109 formed in a top to blow out air.
  • a fan 22 is housed inside the bell-mouth unit 106.
  • a fan guard portion 110 configured to cover a top of the fan 22 is mounted on the bell-mouth unit 106.
  • An outer periphery of the fan guard portion 110 is fixed to the bell-mouth unit 106.
  • the heat exchanger 18 of the example of the present embodiment includes four heat exchange units configured to exchange heat with the air sucked through the intake portions 104 formed in four side faces. That is, the air taken in through the front intake portion 104A is heat-exchanged by passing through that part of a first heat exchanger 18A that faces the front intake portion 104A. The air taken in through the left intake portion 104B is heat-exchanged by passing through that part of a second heat exchanger 18B that faces the left intake portion 104B. The air taken in through the rear intake portion 104C is heat-exchanged by passing through that part of the second heat exchanger 18B that faces the rear intake portion 104C.
  • the air taken in through the right intake portion 104D is heat-exchanged by passing through that part of the first heat exchanger 18A that faces the right intake portion 104D. Then, the air heat-exchanged by passing through the heat exchanger 18 is blown out through the blowout portion 109 shown in Figs. 3 and 4 .
  • aerodynamic performance has been improved since air is sucked uniformly from all around the outdoor unit 1 including the front face, both side faces, and rear face of the outdoor unit 1.
  • the outdoor unit 1 in the example of the present embodiment since the aerodynamic performance has been improved, electric power used to drive the fan is reduced, and noise produced when the fan is driven is reduced as well.
  • the fan unit 24 includes the fan 22 and a fan motor 23.
  • the fan unit 24 is mounted on the body casing 101 using a mounting member 90.
  • the mounting member 90 includes fixture portions 92 fixed to the body casing 101 and a fan-unit holding portion 94 holding the fan motor 23 of the fan unit 24.
  • the fixture portions 92 are formed on opposite sides of the fan-unit holding portion 94 and fixed to the body casing 101. That is, the fixture portions 92 are fixed to a front-side frame 86 in upper front part of the body casing 101 and to a rear-side frame 87 in upper rear part of the body casing 101.
  • the fixture portions 92 may be fixed to a frame on a left side face of the body casing 101 and a frame on a right side face of the body casing 101.
  • the fixture portions 92 and fan-unit holding portion 94 are connected together by connecting portions 93 and the fan-unit holding portion 94 retreats downward from the fixture portions 92.
  • the mounting member 90 is shaped such that the fan-unit holding portion 94 projects downward from the fixture portions 92.
  • the mounting member 90 is formed by bending or another process, and the fixture portions 92, the connecting portions 93, and the fan-unit holding portion 94 are formed integrally.
  • the fan motor 23 is fixed to the fan-unit holding portion 94 retreating downward from the fixture portions 92.
  • the fan motor 23 includes a drive shaft 23A protruding upward. As shown in Fig. 6 , the fan 22 is mounted on the drive shaft 23A of the fan motor 23.
  • the fan 22 includes a boss 22A in a center and blades 22B formed around the boss 22A. An upper part of the boss 22A retreats below tops of the blades 22B, reducing the risk of contact between the fan guard portion 110 and the fan 22. This is because an outer periphery of the fan guard portion 110 is fixed to the bell-mouth unit 106. Therefore, as indicated by an imaginary line 110A, when a force is applied to the fan guard portion 110, a central portion of the fan guard portion 110 is most prone to flexure. In the example of the present embodiment, since the boss 22A in the center of the fan 22 retreats downward from the blades 22B, the risk of contact between the fan guard portion 110 and the fan 22 is curbed.
  • Fig. 9 is a diagram describing a relationship between radial position of the fan and intake rate of the fan.
  • a suction rate decreases on that side of the blades 22B that is closer to the boss 22A and increases on that side of the blades 22B that is farther from the boss 22A. Therefore, on an outer side of the blades 22B, by providing a large distance between the blades 22B and the mounting member 90, it is possible to reduce intake loss of the fan 22.
  • Fig. 9 is a diagram describing a relationship between radial position of the fan and intake rate of the fan.
  • a connection position between the fixture portion 92 and the connecting portion 93 is located outward of an intermediate position of a straight line joining a connecting portion between the boss 22A and each blade 22B to an end portion of the blade 22B. That is, the mounting member 90 is shaped to start bending down from the fixture portion 92 at a position outward of an intermediate position of the blade 22B.
  • the connecting portion 93 is shaped to bend down vertically from the fixture portion 92, but may be shaped to bend down obliquely from the fixture portion 92.
  • a distance between a lower part of the blade 22B and the mounting member 90 is equal to a length between the lower part of the blade 22B and the fan-unit holding portion 94, making it possible to reduce intake loss of the fan 22.
  • the intake loss of the fan 22 can be reduced by placing the connecting position between the fixture portion 92 and the connecting portion 93 outward of the intermediate position of the straight line joining the connecting portion between the boss 22A and each blade 22B to the end portion of the blade 22B, more preferably the intake loss of the fan 22 can be reduced by placing the connecting position between the fixture portion 92 and the connecting portion 93 outward of the end portion of the blade 22B.
  • Fig. 10 is a diagram of Comparative Example 1, which is a comparative example to Fig. 5
  • Fig. 11 is a diagram of Comparative Example 2, which is a comparative example to Fig. 6
  • Fig. 12 is a diagram comparing the outdoor unit of Embodiment 1, Comparative Example 1, and Comparative Example 2 with one another in terms of intake/exhaust losses of the outdoor unit.
  • A represents intake loss of the fan itself
  • B represents intake loss of the fan caused by a mounting member
  • C represents intake loss caused by placement of a heat exchanger
  • D represents exhaust loss caused during exhaust.
  • a heat exchanger 180 placed in a heat exchange chamber 150 has a double-bend shape.
  • Comparative Example 1 is configured such that the air sucked through three side faces--namely, a side face 140A, a side face 140B, and a side face 140C--will pass through the heat exchanger 180.
  • air is not sucked uniformly in a circumferential direction of the heat exchange chamber 150, resulting in poor intake balance and thereby increasing the intake loss C due to the placement of the heat exchanger as shown in Fig. 12 .
  • a fan unit 240 including a fan 220 and a fan motor 230 is mounted on a body casing via a linear mounting member 190.
  • a boss 220A in a central portion of the fan 220 is located above blades 220B and closest to a fan guard portion 111.
  • the fan guard portion 111 is most prone to flexure in a central portion as indicated by an imaginary line 111A. Therefore, in Comparative Example 2, there is increased risk of contact between the fan guard portion 111 and the boss 220A.
  • the boss 22A retreats downward from the blades 22B as shown in Fig. 6 , the risk of contact between the fan guard portion 110 and the fan 22 is reduced.
  • the outdoor unit 1 according to the present embodiment does not need to make the lower parts of the blades 22B protrude greatly downward to obtain aerodynamic characteristics. Therefore, the outdoor unit 1 according to the present embodiment allows a greater distance between the lower parts of the blades 22B and the mounting member 90, reducing the intake loss B of the fan caused by the mounting member as shown in Fig. 12 .
  • the fan unit 24 is mounted on the body casing 101 via the mounting member 90.
  • the mounting member 90 includes the fixture portion 92 fixed to the body casing and the fan-unit holding portion 94 holding the fan unit 24, where the fan-unit holding portion 94 retreats from the fixture portion 92.
  • the outdoor unit 1 is downsized in a height direction. Also, since the fan unit 24 is held in the fan-unit holding portion 94 retreating downward from the fixture portion 92, a center of gravity of the outdoor unit 1 can be lowered.
  • the boss 22A in the center of the fan 22 retreats downward from the tops of the blades 22B. Since the outer periphery of the fan guard portion 110 covering the top of the fan 22 is fixed to the bell-mouth unit 106 of the body casing 101, the fan guard portion 110 is prone to flexure in the central portion. In the outdoor unit 1 according to the present embodiment, since the boss 22A in the center of the fan 22 retreats, the risk of contact between the fan 22 and the fan guard portion 110 is curbed, improving safety.
  • the boss 22A of the fan 22 retreats downward from the tops of the blades 22B, and the blades 22B partially protrude above the boss 22A. Therefore, in the present embodiment, the lower parts of the blades 22B can be placed at a higher level, allowing a greater distance between the lower parts of the blade 22B and the mounting member 90. Thus, the present embodiment reduces the intake loss of the fan 22 caused by the mounting member 90 and thereby reduces noise as well.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
EP15909686.6A 2015-11-30 2015-11-30 Outdoor unit Active EP3385627B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/083553 WO2017094056A1 (ja) 2015-11-30 2015-11-30 室外ユニット

Publications (3)

Publication Number Publication Date
EP3385627A1 EP3385627A1 (en) 2018-10-10
EP3385627A4 EP3385627A4 (en) 2018-12-05
EP3385627B1 true EP3385627B1 (en) 2023-04-12

Family

ID=58796506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15909686.6A Active EP3385627B1 (en) 2015-11-30 2015-11-30 Outdoor unit

Country Status (5)

Country Link
US (1) US20180274800A1 (ja)
EP (1) EP3385627B1 (ja)
JP (1) JP6482679B2 (ja)
CN (1) CN108431509A (ja)
WO (1) WO2017094056A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6879458B2 (ja) * 2017-03-15 2021-06-02 株式会社富士通ゼネラル 空気調和機の室外機
US10684054B2 (en) * 2017-05-22 2020-06-16 Trane International Inc. Tension support system for motorized fan

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307778A (en) * 1980-04-11 1981-12-29 Carrier Corporation Heat exchange unit having an internal support
JPH0623862Y2 (ja) * 1988-09-06 1994-06-22 ダイキン工業株式会社 室外ユニットのファンモータ台取付構造
KR100438105B1 (ko) * 2000-01-14 2004-07-02 도시바 캐리어 가부시키 가이샤 공기조화기의 실외 유닛
JP3913441B2 (ja) * 2000-04-24 2007-05-09 三洋電機株式会社 空気調和機の室外ユニット
JP2001349580A (ja) * 2000-06-05 2001-12-21 Sanyo Electric Co Ltd 空気調和機の室外機
JP3847567B2 (ja) * 2001-02-20 2006-11-22 三菱電機株式会社 空気調和機の室外ユニット
KR101075231B1 (ko) * 2003-12-19 2011-10-19 삼성전자주식회사 공기조화기
KR100954358B1 (ko) * 2006-01-25 2010-04-27 엘지전자 주식회사 공기조화기 실외기의 컨트롤박스
KR20090043715A (ko) * 2007-10-30 2009-05-07 삼성전자주식회사 팬가드 및 이를 갖는 공기조화기의 실외기
JP5127854B2 (ja) * 2010-03-11 2013-01-23 三菱電機株式会社 送風機及びヒートポンプ装置
JP2012072937A (ja) * 2010-09-28 2012-04-12 Sanyo Electric Co Ltd 空気調和装置
JP2012242028A (ja) * 2011-05-20 2012-12-10 Daikin Industries Ltd 冷凍装置の室外ユニット
WO2014112047A1 (ja) * 2013-01-16 2014-07-24 三菱電機株式会社 室外機
JP5980180B2 (ja) * 2013-08-08 2016-08-31 三菱電機株式会社 軸流ファン、及び、その軸流ファンを有する空気調和機
JP6718134B2 (ja) * 2016-02-29 2020-07-08 株式会社富士通ゼネラル 空気調和機の室外機

Also Published As

Publication number Publication date
US20180274800A1 (en) 2018-09-27
CN108431509A (zh) 2018-08-21
JPWO2017094056A1 (ja) 2018-04-19
EP3385627A4 (en) 2018-12-05
JP6482679B2 (ja) 2019-03-13
WO2017094056A1 (ja) 2017-06-08
EP3385627A1 (en) 2018-10-10

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