WO2018216359A1 - 空気調和機の室内機 - Google Patents

空気調和機の室内機 Download PDF

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Publication number
WO2018216359A1
WO2018216359A1 PCT/JP2018/014253 JP2018014253W WO2018216359A1 WO 2018216359 A1 WO2018216359 A1 WO 2018216359A1 JP 2018014253 W JP2018014253 W JP 2018014253W WO 2018216359 A1 WO2018216359 A1 WO 2018216359A1
Authority
WO
WIPO (PCT)
Prior art keywords
indoor unit
heat exchanger
partition
air conditioner
centrifugal fan
Prior art date
Application number
PCT/JP2018/014253
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
康弘 大石
大佑 深堀
弘和 土居
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to EP18805303.7A priority Critical patent/EP3614063B8/en
Priority to CN201880031408.1A priority patent/CN110637200B/zh
Priority to AU2018272237A priority patent/AU2018272237B2/en
Publication of WO2018216359A1 publication Critical patent/WO2018216359A1/ja

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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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

Definitions

  • This invention relates to an indoor unit of an air conditioner.
  • a U-shaped heat exchanger As an indoor unit of an air conditioner, a U-shaped heat exchanger is provided, the opening of the heat exchanger is covered with a partition part, and sucked by a turbo fan surrounded by the heat exchanger and the partition part. There is one that blows air in two directions through a heat exchanger (see, for example, JP-A-2015-81692 (Patent Document 1)).
  • a part that protrudes toward the turbo fan is provided in the partition part to make the air flow to the two-way outlet uniform.
  • the center of the turbo fan is located on the center line of the heat exchanger and the casing body, and the heat exchanger and the partition are symmetrically shaped.
  • the heat exchanger and the partition are symmetrically shaped.
  • the subject of this invention is providing the indoor unit of the air conditioner which can reduce the pressure of the high voltage
  • An indoor unit of an air conditioner is A casing, A centrifugal fan disposed in the casing and rotating in a predetermined rotation direction; A heat exchanger disposed in the casing and around the centrifugal fan; A partition that encloses the centrifugal fan together with the heat exchanger by connecting both ends of the heat exchanger; The center of the centrifugal fan is located on the upstream side in the air flow direction between the centrifugal fan and the partition with respect to a vertical bisector connecting a line connecting both ends of the partition. .
  • the center of the centrifugal fan that rotates in the predetermined rotation direction is upstream in the air flow direction between the centrifugal fan and the partition with respect to the vertical bisector connecting the both ends of the partition.
  • the gap between the downstream end of the partition covering the opening of the heat exchanger and the outer periphery of the centrifugal fan is wider than the gap between the upstream end and the outer periphery of the centrifugal fan. .
  • the pressure in the vicinity of the downstream end of the partition where large abnormal noise is generated decreases, so that the pressure in the high pressure section generated at the end of the partition covering the opening of the heat exchanger can be reduced. Can be suppressed.
  • the blower outlet was provided in the opposite side to the said partition part with respect to the said heat exchanger of the said casing.
  • the blowing air from a centrifugal fan blows off smoothly from a blower outlet via a heat exchanger by providing a blower outlet on the opposite side to a partition part with respect to the heat exchanger of a casing. Can do.
  • the partition portion bulges outward from a line segment connecting both ends in plan view, A part of the centrifugal fan is overlapped with an area surrounded by the line segment connecting both ends of the partition part and the partition part.
  • the partition portion bulges outward from the line segment connecting both ends of the partition portion in plan view, and the region surrounded by the line segment connecting the both ends of the partition portion and the partition portion.
  • the centrifugal fan rotates along the partition part curved so as to bulge outward, and the partition part smoothly guides the air blown from the centrifugal fan.
  • the storage space inside can be reduced.
  • the heat exchanger in the indoor unit of the air conditioner of one embodiment, includes a first heat exchange unit, a second heat exchange unit located upstream of the first heat exchange unit in the rotational direction of the centrifugal fan, and the first heat exchange unit.
  • a third heat exchanging part located on the downstream side in the rotational direction of the centrifugal fan, The third heat exchange unit is shorter than the second heat exchange unit.
  • the third heat exchange unit located on the downstream side in the rotation direction of the centrifugal fan of the first heat exchange unit is located on the upstream side in the rotation direction of the centrifugal fan of the first heat exchange unit.
  • a pipe connection part can be provided at the end of the third heat exchange part, and a space for the connection pipe can be secured in the casing.
  • the clearance gap between the downstream edge part of a partition part and the outer periphery of a centrifugal fan is set to the upstream edge part of a partition part. It becomes possible to make it wider than the gap between the part and the outer periphery of the centrifugal fan.
  • the center of the centrifugal fan rotating in the predetermined rotational direction is in the vertical bisector connecting the both ends of the partition part, and the centrifugal fan and the partition part are By arranging the centrifugal fan so that it is located upstream in the airflow direction between the two, the pressure of the high pressure part generated at the end of the partition that covers the opening of the heat exchanger can be reduced, and the generation of abnormal noise It is possible to realize an indoor unit of an air conditioner that can suppress the above.
  • FIG. 1 is a perspective view of an indoor unit of an air conditioner according to a first embodiment of the present invention viewed obliquely from below.
  • FIG. 2 is a perspective view of the indoor unit as viewed obliquely from above.
  • FIG. 3 is a bottom view of the indoor unit. 4 is a cross-sectional view taken along line IV-IV in FIG.
  • FIG. 5 is a bottom view showing a state in which the panel and drain pan of the indoor unit are removed.
  • FIG. 6 is a diagram showing the center position of the turbo fan of the indoor unit.
  • FIG. 7 is a view showing the center position of the turbo fan of the indoor unit.
  • FIG. 8 is a bottom view showing a state where a flap is attached to the indoor unit of FIG.
  • FIG. 1 is a perspective view of an indoor unit of an air conditioner according to a first embodiment of the present invention viewed obliquely from below.
  • FIG. 2 is a perspective view of the indoor unit as viewed obliquely from
  • FIG. 9 is a bottom view showing a state where the flap of the indoor unit is removed.
  • FIG. 10 is a view showing the pressure distribution of the indoor unit of the indoor unit of the first embodiment.
  • FIG. 11 is a diagram showing the pressure distribution as seen from the line XI-XI in FIG.
  • FIG. 12 is a bottom view showing a state in which the panel and drain pan of the indoor unit of the air conditioner according to the second embodiment of the present invention are removed.
  • FIG. 1 has shown the perspective view which looked at the indoor unit of the air conditioner of 1st Embodiment of this invention from diagonally downward.
  • This indoor unit is a ceiling-embedded indoor unit.
  • the indoor unit of the air conditioner of the first embodiment is detachably attached to the casing body 1, a rectangular panel 2 attached to the lower side of the casing body 1, and the panel 2.
  • the grill 3 is provided.
  • the casing body 1, the panel 2 and the grill 3 constitute a casing.
  • the air outlet 10 is provided along the short side of the panel 2 on one side in the longitudinal direction of the panel 2. Moreover, the flap 20 is attached to the panel 2 so that rotation is possible. In FIG. 1, the air outlet 10 is closed by the flap 20.
  • a drain socket 7 is provided so as to protrude from the side wall of the casing body 1.
  • a drain hose (not shown) is connected to the drain socket 7 from the outside.
  • the pipe connecting portions 5 and 6 are provided so as to protrude from the side wall of the casing body 1.
  • a refrigerant pipe (not shown) is connected to the pipe connecting portions 5 and 6 from the outside.
  • reference numeral 8 denotes an electrical component part
  • 101 to 103 are suspension fittings provided so as to protrude from the casing body 1 to the side.
  • FIG. 2 is a perspective view of the indoor unit as viewed obliquely from above.
  • the same components as those in FIG. 1 are denoted by the same reference numerals.
  • FIG. 3 is a bottom view of the indoor unit. 3, the same components as those in FIG. 1 are denoted by the same reference numerals.
  • a suction port 1 a is provided in the central portion of the casing body 1.
  • a filter 4 (shown in FIG. 4) is attached between the suction port 1a and the grill 3.
  • FIG. 4 shows a cross-sectional view taken along line IV-IV in FIG. 3.
  • the same components as those in FIGS. 1 to 3 are denoted by the same reference numerals.
  • a turbo fan 30 driven by a motor 31 is arranged in the casing body 1. Further, a bell mouth 32 is arranged between the suction port 1 a of the casing body 1 and the turbo fan 30. Further, a heat exchanger 40 and a partition plate 50 are arranged in the casing body 1 and around the turbo fan 30. Further, a drain pan 60 is disposed in the casing body 1 and below the heat exchanger 40 and the partition plate 50.
  • the turbo fan 30 is an example of a centrifugal fan.
  • the partition plate 50 is an example of a partition part.
  • the partition part may be formed integrally with the casing.
  • a ventilation path P for guiding the air blown from the turbo fan 30 to the air outlet 10 of the panel 2 is formed in the casing body 1.
  • FIG. 5 is a bottom view of the indoor unit with the panel 2, the drain pan 60, etc. removed.
  • the casing body 1 includes a first wall portion 11 on the outlet 10 (shown in FIG. 9) side, a second wall portion 12 facing the first wall portion 11, and a first wall portion. 11 and the second wall portion 12 and a third wall portion 13 and a fourth wall portion 14 which are opposed to each other.
  • the heat exchanger 40 includes, in plan view, a first heat exchange unit 41 and a second heat exchange unit that is located upstream of the first heat exchange unit 41 in the rotational direction of the turbo fan 30 (arrow R1). 42 and a third heat exchanging portion 43 located downstream of the first heat exchanging portion 41 in the rotational direction of the turbo fan 30 (arrow R1).
  • both ends of the heat exchanger 40 are connected via an arc-shaped partition plate 50, and the turbofan 30 is surrounded by the heat exchanger 40 and the partition plate 50.
  • the partition plate 50 bulges outward.
  • the pipe connection parts 5 and 6 are connected to the end of the third heat exchange part 43 of the heat exchanger 40. Further, a drain pump 70 is disposed in the casing body 1 and on the third wall portion 13 side between the partition plate 50 and the second wall portion 12.
  • FIG. 6 shows the position of the center O1 of the turbo fan 30 of the indoor unit.
  • the center O1 of the turbo fan 30 is turbo with respect to the vertical bisector L2 of the line segment L1 connecting both ends of the partition plate 50. It is located on the upstream side (the left side of the vertical bisector L2 in FIG. 6) in the airflow direction (arrow R2) between the fan 30 and the partition plate 50.
  • the heat exchanger 40 has a heat exchange section 40a (a shaded area shown in FIG. 7) having a line-symmetric shape in plan view.
  • the center O1 of the turbo fan 30 is upstream in the air flow direction (arrow R2) between the turbo fan 30 and the partition plate 50 with respect to the symmetry axis L3 in the heat exchange section 40a having a line-symmetric shape (in FIG. 7).
  • the turbo fan 30 is arranged so as to be located on the left side of the symmetry axis L3.
  • the symmetry axis L ⁇ b> 3 of the heat exchange part 40 a having a line-symmetric shape of the heat exchanger 40 coincides with the center line in the longitudinal direction of the casing body 1.
  • FIG. 8 shows a state where the flap 20 (shown by hatching) is attached to the indoor unit shown in FIG. 5, and
  • FIG. 9 shows a state where the flap 20 of the indoor unit is removed. 8 and 9, the same reference numerals are assigned to the same components as those in FIGS. 1 to 7.
  • the U-shaped heat exchanger 40 in plan view includes a first heat exchanging part 41 arranged in parallel to the first wall part 11 of the casing body 1, and the first heat exchanging part 41.
  • a second heat exchanging part 42 that is continuous with one end of the heat exchanging part 41 and a third heat exchanging part 43 that is continuous with the other end of the first heat exchanging part 41 are provided.
  • the interval between the second heat exchanging portion 42 and the third wall portion 13 is gradually narrowed from the first heat exchanging portion 41 side toward the distal end side. Moreover, the space
  • interval with the 4th wall part 14 is gradually narrowing the 3rd heat exchange part 43 toward the front end side from the 1st heat exchange part 41 side. That is, in the heat exchanger 40, the distance between the second heat exchange unit 42 and the third heat exchange unit 43 gradually increases toward both ends.
  • the said blower outlet 10 is a rectangular 1st blower outlet part 10a provided along the 1st wall part 11 (shown in FIG. 8) of the casing main body 1 as shown in FIG.
  • a second outlet 10b extending from both ends of the outlet 10a toward the second wall 12 (shown in FIG. 8) of the casing body 1 is provided.
  • the flap 20 which controls the wind direction of the blowing air from the said blower outlet 10, as shown in FIG. 8, the flap main body 20a provided along the 1st wall part 11 of the casing main body 1, and the flap main body 20a And an auxiliary flap 20b extending toward the second wall 12 side of the casing body 1 from both ends.
  • the center O1 of the turbo fan 30 (centrifugal fan) rotating in the predetermined rotation direction (R1) is divided into two equal bisectors of the line segment L1 connecting both ends of the partition plate 50 (partition portion).
  • the gap between the turbo fan 30 and the outer periphery of the turbo fan 30 is wider than the gap between the upstream end of the partition plate 50 and the outer periphery of the turbo fan 30.
  • the inventor makes the air flow direction (R2) between the turbo fan 30 and the partition plate 50 with respect to the vertical bisector L2 of the line segment L1 connecting the both ends of the partition plate 50 with the center O1 of the turbo fan 30.
  • the simulation was carried out under the conditions on the upstream side. By this simulation, the pressure in the vicinity of the downstream end portion of the partition plate 50 decreases, the pressure of the high pressure portion generated at the end portion of the partition plate 50 covering the opening of the heat exchanger 40 is reduced, and abnormal noise is generated. It was confirmed that it was suppressed.
  • FIG. 10 shows the pressure distribution obtained by the simulation of the indoor unit of the first embodiment
  • FIG. 11 shows the pressure distribution seen from the line XI-XI in FIG.
  • the pressure of the high pressure portion generated near the downstream end of the partition plate 50 covering the opening of the heat exchanger 30 is reduced.
  • the blower outlet 10 on the opposite side of the partition plate 50 with respect to the heat exchanger 40 of the panel 2, the blown air from the turbo fan 30 is smoothly discharged from the blower outlet 10 through the heat exchanger 40. Can be blown out.
  • the partition plate 50 bulges outward from the line segment L1 connecting both ends of the partition plate 50 (partition portion) in plan view, and the partition plate 50 (partition portion)
  • the turbo fan 30 rotates along the curved partition plate 50 so as to bulge outward when a part of the turbo fan 30 overlaps the region surrounded by the line segment L1 connecting both ends and the partition plate 50.
  • the partition plate 50 can smoothly guide the air blown from the turbo fan 30 and the storage space in the casing body 1 can be reduced.
  • the third heat exchanging unit 43 located on the downstream side in the rotation direction of the turbo fan 30 of the first heat exchanging unit 41 of the heat exchanger 40 is connected to the upstream of the rotation direction of the turbo fan 30 in the first heat exchanging unit 41.
  • a pipe connecting portion 5, 6 at the end of the third heat exchanging portion 43 by making it shorter than the second heat exchanging portion 42 located on the side, a space for the connecting pipe is ensured in the casing body 1. Can do.
  • the clearance gap between the downstream edge part of the partition plate 50 and the outer periphery of the turbofan 30 is made into the partition plate 50. The clearance between the upstream end and the outer periphery of the turbofan 30 can be made wider.
  • the turbo fan 30 is used as a centrifugal fan, but other centrifugal fans such as a sirocco fan may be used.
  • FIG. 12 has shown the bottom view of the state which removed the panel, drain pan, etc. of the indoor unit of the air conditioner of 2nd Embodiment of this invention.
  • the indoor unit of the air conditioner of the second embodiment has the same configuration as the indoor unit of the air conditioner of the first embodiment except for the heat exchanger, and FIGS. 1 to 9 are used.
  • the indoor unit of the air conditioner of the second embodiment includes a U-shaped heat exchanger 140 in plan view as shown in FIG.
  • the heat exchanger 140 includes a first heat exchange part 141 arranged in parallel to the first wall part 11 of the casing body 1, a second heat exchange part 142 connected to one end of the first heat exchange part 141, And a third heat exchanging part 143 connected to the other end of the one heat exchanging part 141.
  • the second heat exchanging part 142 extends so as to be parallel to the second wall part 12.
  • the third heat exchanging part 143 extends so as to be parallel to the third wall part 13.
  • the air conditioner indoor unit of the second embodiment has the same effect as the air conditioner indoor unit of the first embodiment.
  • the 2nd, 3rd heat exchange part 142,143 extended from the both ends of the 1st heat exchange part 141 should just extend so that it may mutually become parallel irrespective of the shape of a casing main body.
  • the indoor unit of the air conditioner according to the third embodiment of the present invention has the same configuration as the indoor unit of the air conditioner according to the first embodiment except for the air outlet, and FIGS.
  • the indoor unit of the air conditioner of this 3rd Embodiment is provided with the outlet which blows off to three directions. .
  • the air outlet 10 is provided along the short side of the panel 2, and the second and third air outlets are provided along the opposing long side of the panel 2, respectively.
  • the indoor unit of the air conditioner of the third embodiment has the same effect as the indoor unit of the air conditioner of the first embodiment.
  • the indoor unit including the casing constituted by the casing body 1, the panel 2, and the grill 3 has been described, but the shape of the casing is not limited thereto.
  • the indoor unit including the U-shaped heat exchanger 40 has been described.
  • the heat exchanger is not limited to this, and the arc shape, the V shape, or the U shape is used. It may be a heat exchanger such as a shape.
  • the ceiling-embedded indoor unit has been described.
  • the indoor unit is not limited to this, and the present invention may be applied to a ceiling-mounted indoor unit.
  • the heat exchanger 40 includes the first heat exchange unit 41, the second heat exchange unit 42 connected to one end of the first heat exchange unit 41, and the first heat exchange unit 41.
  • the indoor unit provided with the heat exchanger 40 having the third heat exchanging portion 43 connected to the other end of the first heat exchanging portion has been described, the first heat exchanging portion, the second heat exchanging portion, and the third heat exchanging portion are divided. You may apply this invention to the indoor unit provided with the heat exchanger 40.
  • SYMBOLS 1 Casing main body 1a ... Suction inlet 2 ... Panel 3 ... Grill 4 ... Filter 5, 6 ... Pipe connection part 7 ... Drain socket 8 ... Electrical component part 10 ... Outlet 11 ... 1st wall part 12 ... 2nd wall part 13 ... 3rd wall part 14 ... 4th wall part 20 ... Flap 30 ... Turbo fan (centrifugal fan) DESCRIPTION OF SYMBOLS 31 ... Motor 32 ... Bellmouth 40,140 ... Heat exchanger 41,141 ... 1st heat exchange part 42,142 ... 2nd heat exchange part 43,143 ... 3rd heat exchange part 50 ... Partition plate (partition part) 60 ... Drain pan 70 ... Drain pump

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
PCT/JP2018/014253 2017-05-24 2018-04-03 空気調和機の室内機 WO2018216359A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18805303.7A EP3614063B8 (en) 2017-05-24 2018-04-03 Indoor unit for air conditioner
CN201880031408.1A CN110637200B (zh) 2017-05-24 2018-04-03 空调机的室内机
AU2018272237A AU2018272237B2 (en) 2017-05-24 2018-04-03 Indoor unit for air conditioner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017102997A JP6477783B2 (ja) 2017-05-24 2017-05-24 空気調和機の室内機
JP2017-102997 2017-05-24

Publications (1)

Publication Number Publication Date
WO2018216359A1 true WO2018216359A1 (ja) 2018-11-29

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ID=64395447

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Application Number Title Priority Date Filing Date
PCT/JP2018/014253 WO2018216359A1 (ja) 2017-05-24 2018-04-03 空気調和機の室内機

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EP (1) EP3614063B8 (zh)
JP (1) JP6477783B2 (zh)
CN (1) CN110637200B (zh)
AU (1) AU2018272237B2 (zh)
WO (1) WO2018216359A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159528A (ja) * 1984-01-26 1985-08-21 Sanyo Electric Co Ltd 熱交換ユニツト
JPH09133374A (ja) * 1995-11-08 1997-05-20 Mitsubishi Electric Corp 空気調和機
JP2000046360A (ja) * 1998-07-29 2000-02-18 Hitachi Ltd 天井埋込形の室内機
JP2015081692A (ja) 2013-10-21 2015-04-27 日立アプライアンス株式会社 空気調和機の室内機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159529A (ja) * 1984-01-26 1985-08-21 Sanyo Electric Co Ltd 熱交換ユニツト
JPS60159530A (ja) * 1984-01-27 1985-08-21 Sanyo Electric Co Ltd 熱交換ユニツト
JPH0612417Y2 (ja) * 1988-03-18 1994-03-30 ダイキン工業株式会社 天井埋込式空気調和機
JPH0949640A (ja) * 1995-08-09 1997-02-18 Sanyo Electric Co Ltd 空気調和機
JP2014228223A (ja) * 2013-05-24 2014-12-08 日立アプライアンス株式会社 空気調和機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159528A (ja) * 1984-01-26 1985-08-21 Sanyo Electric Co Ltd 熱交換ユニツト
JPH09133374A (ja) * 1995-11-08 1997-05-20 Mitsubishi Electric Corp 空気調和機
JP2000046360A (ja) * 1998-07-29 2000-02-18 Hitachi Ltd 天井埋込形の室内機
JP2015081692A (ja) 2013-10-21 2015-04-27 日立アプライアンス株式会社 空気調和機の室内機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3614063A4

Also Published As

Publication number Publication date
EP3614063B8 (en) 2024-06-05
EP3614063B1 (en) 2024-04-17
JP6477783B2 (ja) 2019-03-06
JP2018197632A (ja) 2018-12-13
AU2018272237B2 (en) 2021-02-04
CN110637200A (zh) 2019-12-31
EP3614063A4 (en) 2020-04-29
CN110637200B (zh) 2022-05-10
EP3614063A1 (en) 2020-02-26
AU2018272237A1 (en) 2019-12-12

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