US20150176856A1 - Indoor unit and air-conditioning apparatus - Google Patents

Indoor unit and air-conditioning apparatus Download PDF

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Publication number
US20150176856A1
US20150176856A1 US14/527,054 US201414527054A US2015176856A1 US 20150176856 A1 US20150176856 A1 US 20150176856A1 US 201414527054 A US201414527054 A US 201414527054A US 2015176856 A1 US2015176856 A1 US 2015176856A1
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US
United States
Prior art keywords
louver
airflow direction
indoor unit
gear
air
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.)
Abandoned
Application number
US14/527,054
Other languages
English (en)
Inventor
Takaaki TAKISHITA
Masaaki Maruyama
Tatsuo Furuta
Hiroyuki HATAKEYAMA
Naoya Matsunaga
Takahiro Komatsu
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
Assigned to MITSUBISHI ELECTRIC CORPORATION reassignment MITSUBISHI ELECTRIC CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FURUTA, TATSUO, MARUYAMA, MASAAKI, TAKISHITA, TAKAAKI, HATAKEYAMA, Hiroyuki, KOMATSU, TAKAHIRO, MATSUNAGA, NAOYA
Publication of US20150176856A1 publication Critical patent/US20150176856A1/en
Abandoned 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1486—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings
    • 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
    • F24F2221/32—Details or features not otherwise provided for preventing human errors during the installation, use or maintenance, e.g. goofy proof

Definitions

  • the present invention relates to an indoor unit for, for example, an air-conditioning apparatus.
  • the present invention relates to installation of an airflow direction louver (a wind deflection plate) disposed at an air outlet.
  • an airflow direction louver that serves as a wind deflection plate and that changes the direction of air blowing from an air outlet is often located at an air outlet.
  • the airflow direction louver has a flat portion that guides air blowing from the air outlet.
  • the airflow direction louver has a rotation shaft, at the ends of the airflow direction louver, for mounting a flat portion in an indoor unit body.
  • the body has holes for supporting the rotation shafts such that the rotation shaft can rotate when placed in the holes.
  • One of the holes has a bearing portion in which a drive motor is provided.
  • the drive motor can rotate the rotation shaft (the airflow direction louver) such that the rotation shaft becomes parallel with a decorative panel having an air outlet at a desired angle from a state in which the air outlet is closed (i.e., about zero degrees) (see, for example, Patent Literatures 1 and 2).
  • Patent Literature 1 Japanese Unexamined Patent Application Publication No. 2001-041559
  • Patent Literature 2 Japanese Unexamined Patent Application Publication No. 2008-070051
  • Rotation of, for example, an airflow direction louver typically requires attachment of a gear for transmitting a force from a drive motor to a rotation shaft.
  • a rotation shaft of the airflow direction louver is inserted (press fitted) at the bottom of a bearing hole of the gear so that the airflow direction louver is positioned along the shaft direction.
  • An indoor unit includes: an airflow direction louver that rotates about a rotation shaft and changes a direction of air that is blowing from an air outlet; and a louver gear that transmits a force from a driving device to the airflow direction louver, wherein the rotation shaft of the airflow direction louver is provided with an insertion indicator, and the louver gear has a hole that allows the insertion indicator to become visible when the airflow direction louver is inserted into a bearing hole in the louver gear and reaches a bottom of the bearing hole.
  • the airflow direction louver is provided with the insertion indicator, and the louver gear has the hole that allows the insertion indicator to become visible when the airflow direction louver is inserted into the bearing hole in the louver gear and reaches the bottom of the bearing hole.
  • the louver gear has the hole that allows the insertion indicator to become visible when the airflow direction louver is inserted into the bearing hole in the louver gear and reaches the bottom of the bearing hole.
  • FIG. 1 is a perspective view illustrating an installation state of an indoor unit 1 according to Embodiment 1 of the present invention.
  • FIG. 2 is a perspective view illustrating a state in which decorative panel corner parts 8 of the indoor unit 1 of Embodiment 1 are detached.
  • FIG. 3A illustrates an internal configuration of a part of the indoor unit 1 of Embodiment 1 in which the decorative panel corner parts 8 of the indoor unit 1 of Embodiment 1 have been removed so that the inside of the unit is exposed.
  • FIG. 3B is an enlarged view of FIG. 3A .
  • FIG. 4 illustrates a configuration of an end portion of an airflow direction louver 4 of the indoor unit 1 of Embodiment 1.
  • FIG. 5 illustrates a configuration of a louver gear 10 of the indoor unit 1 of Embodiment 1.
  • FIG. 6A illustrates an attachment member of the airflow direction louver 4 of the louver gear 10 in the indoor unit 1 of Embodiment 1.
  • FIG. 6B illustrates a state in which the airflow direction louver 4 of the louver gear 10 in the indoor unit 1 of Embodiment 1 has been attached.
  • FIG. 7 is a sectional view illustrating a state in which the airflow direction louver 4 of the indoor unit 1 of Embodiment 1 is installed.
  • FIG. 8 illustrates an example configuration of an air-conditioning apparatus according to Embodiment 4 of the present invention.
  • FIG. 1 is a perspective view illustrating an installation state of an indoor unit 1 according to Embodiment 1 of the present invention.
  • the indoor unit 1 of a ceiling embedded type that can be embedded in the ceiling of a room and of a four-way cassette type having air outlets in four ways will be described.
  • the indoor unit 1 is connected to an outdoor unit, not shown, through refrigerant pipes and constitutes a refrigerant circuit that performs refrigeration and air-conditioning by circulating refrigerant.
  • the indoor unit 1 of Embodiment 1 includes a box-like housing 2 that has a top panel and side panels and is open to an interior space (air-conditioning target space).
  • Suspension fittings 5 are attached to the outsides of four corners of the housing 2 .
  • Four suspension bolts 7 are suspended from the ceiling, and the suspension fittings 5 are fastened at any locations of the suspension bolts 7 so that the indoor unit 1 can be fixed to the ceiling for installation.
  • the housing 2 houses an indoor fan, not shown, and an indoor unit heat exchanger for exchanging heat with indoor air, for example.
  • a decorative panel 3 that is approximately rectangular in plan view and serves as a design surface (an exterior surface) of the indoor unit 1 is attached to the bottom of the indoor unit 1 and faces the interior space.
  • a suction grille 3 a serving as a suction port for sucking air into the indoor unit 1 is provided near the center of the decorative panel 3 together with a filter for removal of dust.
  • An air outlet 3 b for expelling the air is formed along each side of the decorative panel 3 .
  • the air outlet 3 b includes an airflow direction louver 4 that rotates (moves with rotation) about a vane shaft 4 a serving as a rotation shaft.
  • FIG. 2 is a perspective view illustrating a state in which decorative panel corner parts 8 of the indoor unit 1 of Embodiment 1 are detached.
  • the decorative panel corner parts 8 a and 8 b are provided at two comers.
  • the decorative panel corner parts 8 are constituted by members different from those of the decorative panel 3 .
  • the airflow direction louver 4 is attached to the decorative panel 3 , and then the decorative panel corner parts 8 are fitted into the decorative panel 3 .
  • FIGS. 3A and 3B are perspective views illustrating a state in which the decorative panel corner parts 8 of the indoor unit 1 of Embodiment 1 have been removed.
  • FIG. 3A illustrates an internal configuration of a corner of the indoor unit 1 in which the decorative panel corner part 8 has been removed so that the inside of the unit is exposed.
  • FIG. 3B is an enlarged view of FIG. 3A .
  • a vane drive motor part 9 is a driving device that rotates the airflow direction louver 4 such that the airflow direction louver 4 is oriented at an instructed angle on the basis of an instruction from a control device (not shown). As illustrated in FIG. 3B , the vane drive motor part 9 is held by a motor-holding metal sheet 9 a.
  • a louver gear 10 is a gear attached to a tip of the vane shaft 4 a of the airflow direction louver 4 .
  • the louver gear 10 is engaged with a pinion gear 12 attached to the vane drive motor part 9 , and rotates in accordance with driving (rotation) of the vane drive motor part 9 so as to transmit a force to the vane shaft 4 a so that the airflow direction louver 4 rotates.
  • a bearing 11 is a member having a through hole for supporting the vane shaft 4 a placed in the through hole and attached to the decorative panel 3 .
  • the pinion gear 12 is attached to the vane drive motor part 9 , and is engaged with the louver gear 10 attached to the airflow direction louver 4 so as to transmit a driving force (rotation) from the vane drive motor part 9 to the airflow direction louver 4 .
  • FIG. 4 illustrates a configuration of an end portion of the airflow direction louver 4 of the indoor unit 1 of Embodiment 1.
  • the airflow direction louver 4 receives, at an end, a force from the vane drive motor part 9 , and thus, the louver gear 10 is attached to this end.
  • the airflow direction louver 4 of Embodiment 1 has elasticity at the tip of the vane shaft 4 a, and includes a vane nail part 4 b having a nail slightly radially projecting from the vane shaft 4 a.
  • the nail may be replaced by any projection as long as the projection has elasticity and can serve as at least an insertion indicator that can be seen by an operator.
  • FIG. 5 illustrates a configuration of the louver gear 10 of the indoor unit 1 of Embodiment 1.
  • the louver gear 10 has a bearing hole 10 b into which the vane shaft 4 a is inserted.
  • the louver gear 10 includes a gear portion 10 c that is engaged with the pinion gear 12 .
  • the louver gear 10 of Embodiment 1 also has a fitting hole 10 a in which especially the nail of the vane nail part 4 b of the airflow direction louver 4 is fitted.
  • FIGS. 6A and 6B illustrate attachment of the airflow direction louver 4 of the louver gear 10 in the indoor unit 1 of Embodiment 1.
  • FIG. 6A illustrates attachment members.
  • FIG. 6B illustrates a state after attachment.
  • the bearing 11 is inserted into the vane shaft 4 a, and then the louver gear 10 is attached.
  • the bearing 11 When inserting the bearing 11 into the vane shaft 4 a, the bearing 11 is inserted from the side opposite to the side of the vane shaft 4 a at which the vane shaft 4 a is attached to the airflow direction louver 4 , as illustrated in FIG. 6A .
  • the bearing 11 is configured to be attached or detached only to or from the side different from the attachment side as illustrated in FIG. 6A , for example.
  • the airflow direction louver 4 for example, even when the rotation shaft at the other side is detached in such a manner that the airflow direction louver 4 is about to fall, the airflow direction louver 4 is not detached from the bearing 11 , thereby preventing the airflow direction louver 4 from falling completely.
  • the airflow direction louver 4 is inserted at the bottom of the louver gear 10 .
  • the shape of the nail of the elastic vane nail part 4 b recovers due to elasticity, and thereby, the nail of the elastic vane nail part 4 b is fitted into the fitting hole 10 a.
  • Fitting of the nail in the fitting hole 10 a can prevent the louver gear 10 from being detached from the airflow direction louver 4 (the vane shaft 4 a ).
  • the vane shaft 4 a does not reach the bottom, the nail is not fitted in the fitting hole 10 a. This configuration ensures that insertion of the vane shaft 4 a at the bottom can be visually recognized, for example.
  • FIG. 7 is a sectional view illustrating a state in which the airflow direction louver 4 of the indoor unit 1 of Embodiment 1 is installed. As illustrated in FIG. 7 , the bearing 11 is attached to the decorative panel 3 , and the louver gear 10 is attached and fixed to the motor-holding metal sheet 9 a. Then, attachment of the airflow direction louver 4 is completed.
  • the airflow direction louver 4 has the vane nail part 4 b and the louver gear 10 has the fitting hole 10 a.
  • the nail of the vane nail part 4 b is fitted in the fitting hole 10 a in order to attach the louver gear 10 to the airflow direction louver 4 .
  • an operator of, for example, assembling can at least visually (confirm with eyes) that the airflow direction louver 4 is inserted at the bottom of the bearing hole 10 b of the louver gear 10 .
  • This configuration can reduce a variation in assembling caused by a failure in inserting the airflow direction louver 4 at the bottom.
  • the vane nail part 4 b in the airflow direction louver 4 and the fitting hole 10 a in the louver gear 10 can reduce the variation in assembly without an increase in the number of components.
  • the nail of the vane nail part 4 b is fitted in the fitting hole 10 a, detachment of the louver gear 10 from the airflow direction louver 4 can be prevented.
  • the color of at least the nail of the vane nail part 4 b may be different from that of a peripheral portion of the fitting hole 10 a by, for example, forming the airflow direction louver 4 and the louver gear 10 in different colors. Then, it becomes easier to determine visually, for example, whether the nail is fitted in the fitting hole 10 a and the airflow direction louver 4 is inserted at the bottom of the bearing hole 10 b of the louver gear 10 .
  • the nail of the vane nail part 4 b of the airflow direction louver 4 is fitted in the fitting hole 10 a of the louver gear 10 .
  • the present invention is not limited to this configuration, and it is sufficient to confirm at least visually that the airflow direction louver 4 is inserted at the bottom of the bearing hole 10 b of the louver gear 10 .
  • the airflow direction louver 4 is provided with an insertion indicator such as color and/or shape, instead of using the vane nail part 4 b.
  • the fitting hole 10 a may be used as a confirmation hole so that the insertion indicator can be seen through the confirmation hole when the airflow direction louver 4 is inserted at the bottom.
  • FIG. 8 illustrates an example configuration of an air-conditioning apparatus according to Embodiment 4.
  • the air-conditioning apparatus is an example of a refrigeration cycle system.
  • components already described in, for example, FIG. 1 operate in the same manner as those in FIG. 1 .
  • an outdoor unit 200 and the indoor unit 100 described in Embodiments 1-3 are connected by pipes of a gas refrigerant pipe 300 and a liquid refrigerant pipe 400 .
  • the outdoor unit 200 includes a compressor 210 , a four-way valve 220 , an outdoor heat exchanger 230 , and an expansion valve 240 .
  • the compressor 210 compresses sucked refrigerant and discharges the compressed refrigerant.
  • the compressor 210 may change the capacity (i.e., the amount of refrigerant that is fed in a unit time) of the compressor 210 by changing the operating frequency with, for example, an inverter circuit.
  • the four-way valve 220 is, for example, a valve for switching a refrigerant flow between a cooling operation and a heating operation.
  • the outdoor heat exchanger 230 of Embodiment 4 performs heat exchange between refrigerant and air (outdoor air).
  • the outdoor heat exchanger 230 serves as an evaporator in a heating operation, and causes refrigerant to evaporate and vaporize.
  • the outdoor heat exchanger 230 serves as a condenser in a cooling operation, and condenses and liquefies refrigerant.
  • the expansion valve 240 such as a reducing device (a flow rate controlling means) reduces the pressure of refrigerant and causes the refrigerant to expand.
  • the expansion valve 240 is an electronic expansion valve, for example, the expansion valve 240 adjusts the opening degree on the basis of an instruction from, for example, a control device (not shown).
  • An indoor heat exchanger 110 performs exchange heat between air to be conditioned and refrigerant, for example.
  • the indoor heat exchanger 110 serves as a condenser in a heating operation, and condenses and liquefies refrigerant.
  • the indoor heat exchanger 110 serves as an evaporator in a cooling operation, and causes refrigerant to evaporate and vaporize.
  • the four-way valve 220 is switched such that a connection relationship indicated by the continuous lines is established.
  • High-temperature high-pressure gas refrigerant compressed by the compressor 210 and discharged from the compressor 210 passes through the four-way valve 220 and flows into the outdoor heat exchanger 230 .
  • the refrigerant passes through the outdoor heat exchanger 230 and exchanges heat with outdoor air so as to be condensed and liquefied, and the resulting refrigerant (liquid refrigerant) flows into the expansion valve 240 .
  • the refrigerant that has been subjected to pressure reduction in the expansion valve 240 and is in a two-phase gas-liquid state flows out from the outdoor unit 200 .
  • the two-phase gas-liquid refrigerant that has flown from the outdoor unit 200 passes through the liquid refrigerant pipe 400 and flows into the indoor unit 1 .
  • the refrigerant is distributed by a distributor and a capillary tube (not shown) for controlling the flow rate, and flows into the indoor heat exchanger 110 .
  • the refrigerant (gas refrigerant) that has passed through the indoor heat exchanger 110 so as to evaporate and become a gas state through heat exchange with air flows out from the indoor unit 1 .
  • the gas refrigerant that has flown from the indoor unit 1 flows into the outdoor unit 200 through the gas refrigerant pipe 300 .
  • the refrigerant passes through the four-way valve 220 and is sucked in the compressor 210 again.
  • refrigerant of the air-conditioning apparatus circulates, and air-conditioning (cooling) is performed.
  • the four-way valve 220 is switched such that a connection relationship indicated by the dotted lines is established.
  • High-temperature high-pressure gas refrigerant compressed by the compressor 210 and discharged from the compressor 210 passes through the four-way valve 220 and flows out of the outdoor unit 200 .
  • the gas refrigerant that has flown out of the outdoor unit 200 flows into the indoor unit 1 through the gas refrigerant pipe 300 .
  • the refrigerant that has passed through the indoor heat exchanger 110 and has been condensed and liquefied through heat exchange with air to be conditioned passes through a capillary tube (now shown) for controlling the flow rate, and flows out of the indoor unit 1 .
  • the refrigerant that has flown out of the indoor unit 1 flows into the outdoor unit 200 through the liquid refrigerant pipe 400 .
  • the refrigerant that has been subjected to pressure reduction in the expansion valve 240 and is in a two-phase gas-liquid state flows in the outdoor heat exchanger 230 .
  • the refrigerant (gas refrigerant) that has passed through the outdoor heat exchanger 230 has evaporated and become a gas state through heat exchange with outdoor air, passes through the four-way valve 220 and is sucked in the compressor 210 again.
  • refrigerant circulates in the air-conditioning apparatus, and air-conditioning (heating) is performed.
  • the indoor unit 1 is an indoor unit of a four-way cassette type in which the airflow direction louvers 4 are provided at the four air outlets 3 b so that air blows in four ways.
  • the present invention is not limited to this type.
  • the present invention is also applicable to an indoor unit of another ceiling embedded type for from which air blows in two or three ways.
  • the present invention is not limited to the indoor unit of the ceiling embedded type, and is also applicable to an indoor unit of another type.
  • the number of air outlets 3 b and the number of airflow direction louvers 4 are not specifically limited.
  • the air-conditioning apparatus has been described as an example of a refrigeration cycle system.
  • the present invention is not limited to this example.
  • the present invention is also applicable to other refrigeration cycle systems such as cooling systems, refrigeration systems, and other refrigeration cycle systems.
  • the present invention is also applicable to fans and ventilation devices as well as refrigeration cycle systems.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
US14/527,054 2013-12-20 2014-10-29 Indoor unit and air-conditioning apparatus Abandoned US20150176856A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013264400A JP5972252B2 (ja) 2013-12-20 2013-12-20 室内機及び空気調和機
JP2013-264400 2013-12-20

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US20150176856A1 true US20150176856A1 (en) 2015-06-25

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US14/527,054 Abandoned US20150176856A1 (en) 2013-12-20 2014-10-29 Indoor unit and air-conditioning apparatus

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US (1) US20150176856A1 (de)
EP (1) EP2886970B1 (de)
JP (1) JP5972252B2 (de)
CN (2) CN104729046B (de)
TR (1) TR201908213T4 (de)

Cited By (2)

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US20140308887A1 (en) * 2013-04-11 2014-10-16 Samsung Electronics Co., Ltd. Blade assembly and air conditioner having the same
WO2019050305A1 (ko) * 2017-09-06 2019-03-14 엘지전자 주식회사 공기조화기의 천장형 실내기

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JP5972252B2 (ja) * 2013-12-20 2016-08-17 三菱電機株式会社 室内機及び空気調和機
JP6641377B2 (ja) * 2015-09-09 2020-02-05 三菱電機株式会社 室内機および空気調和機
CN109373449B (zh) * 2018-10-18 2021-11-19 广东美的制冷设备有限公司 空调的送风组件以及空调室内机
CN110986180B (zh) * 2019-11-20 2021-08-27 重庆海尔空调器有限公司 轴承座、空调骨架、空调
CN111023546B (zh) * 2019-12-17 2021-08-27 广东美的暖通设备有限公司 面板组件、室内机及空调器

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CN104729046B (zh) 2018-01-30
CN104729046A (zh) 2015-06-24
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JP5972252B2 (ja) 2016-08-17
EP2886970A1 (de) 2015-06-24
JP2015121341A (ja) 2015-07-02
EP2886970B1 (de) 2019-05-22

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