EP3392573B1 - Outdoor machine for freezing cycle apparatus - Google Patents
Outdoor machine for freezing cycle apparatus Download PDFInfo
- Publication number
- EP3392573B1 EP3392573B1 EP15910775.4A EP15910775A EP3392573B1 EP 3392573 B1 EP3392573 B1 EP 3392573B1 EP 15910775 A EP15910775 A EP 15910775A EP 3392573 B1 EP3392573 B1 EP 3392573B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- outdoor unit
- cycle apparatus
- refrigeration cycle
- internal space
- 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.)
- Not-in-force
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Classifications
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- 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
- F24F1/52—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with inlet and outlet arranged on the same side, e.g. for mounting in a wall opening
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- 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
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- 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
- F24F1/60—Arrangement or mounting of the outdoor unit
- F24F1/62—Wall-mounted
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- 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
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
- F24F1/027—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle mounted in wall openings, e.g. in windows
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- 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
- F24F1/20—Electric components for separate outdoor units
- F24F1/22—Arrangement or mounting thereof
-
- 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
- F24F1/54—Inlet and outlet arranged on opposite sides
Definitions
- the present invention relates to a wall-embedded outdoor unit of a refrigeration cycle apparatus to be installed in an external wall of a structure, such as a building.
- Examples of wall-embedded outdoor units of a refrigeration cycle apparatus known in the art disclosed in Patent Literature 1 include an air-conditioning outdoor unit having an air inlet and an air outlet arranged on the same surface of a main body such that the air outlet is located above the air inlet.
- the outdoor unit disclosed in Patent Literature 1 includes a heat exchanger and an air-sending device located above the heat exchanger.
- the outdoor unit is configured such that air sucked into the air inlet by driving the air-sending device is subjected to heat exchange in the heat exchanger and is then blown from the air outlet by the air-sending device.
- the outdoor unit disclosed in Patent Literature 1 is configured such that the air blown from the air outlet and the air sucked into the air inlet flow in opposite directions.
- Patent Literature 1 Japanese Unexamined Patent Application Publication No. 3-213928
- the outdoor unit disclosed in Patent Literature 1 is provided with an air passage inside the outdoor unit such that the air sucked into the air inlet is directed in an opposite direction and is then blown from the air outlet.
- Such a configuration increases aerodynamic resistance to air flowing inside the outdoor unit.
- the increase in aerodynamic resistance results in an increase in noise inside the outdoor unit.
- the outdoor unit disclosed in Patent Literature 1 fails to ensure quietness.
- the air-sending performance of the air-sending device in the outdoor unit disclosed in Patent Literature 1 the air-sending device has to be increased in size.
- the heat exchanger in the outdoor unit disclosed in Patent Literature 1 the heat exchanger has to be increased in size. Consequently, it is difficult to achieve both reduction in size of the outdoor unit and improvement in performance of the outdoor unit.
- the present invention aims to overcome the above-described disadvantages and aims to provide an outdoor unit of a refrigeration cycle apparatus capable of ensuring quietness and achieving both reduction in size of the outdoor unit and improvement in performance of the outdoor unit.
- An embodiment of the present invention provides an outdoor unit of a refrigeration cycle apparatus to be installed in an external-wall internal space of a structure.
- the outdoor unit includes a casing, a heat exchanger accommodated in the casing, a first air-sending device configured to cause air to pass through the heat exchanger and discharge the air to the external-wall internal space, a second air-sending device configured to suck the air discharged to the external-wall internal space by the first air-sending device and discharge the air to an outside of the structure, and a divider that divides an inside of the casing into a first air passage and a second air passage.
- the heat exchanger and the first air-sending device are disposed in the first air passage.
- the second air-sending device is disposed in the second air passage.
- an embodiment of the present invention it is unnecessary to provide an air passage for directing a flow of air subjected to heat exchange in an opposite direction inside the outdoor unit.
- the outdoor unit can ensure quietness and can also be reduced in size.
- the flow of air subjected to heat exchange does not stagnate inside the outdoor unit, leading to improvement in performance of the outdoor unit. Consequently, an embodiment of the present invention can provide the outdoor unit of a refrigeration cycle apparatus capable of ensuring quietness and achieving both reduction in size of the outdoor unit and improvement in performance of the outdoor unit.
- FIG. 1 is a schematic front view illustrating an exemplary structure of the outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 1.
- the outdoor unit 1 is constructed as a thin-type, wall-embedded outdoor unit having a cuboidal appearance.
- the relative dimensions and shapes of components in the following figures including Fig. 1 may differ from the actual relative dimensions and shapes of the components.
- the same or similar components are denoted by the same reference signs, or the reference signs for the same or similar components are omitted.
- the positional relationship between the components of the outdoor unit 1 in the front-rear direction, the left-right direction, or the up-down direction, in principle is the positional relationship in a state where the outdoor unit 1 is placed in position ready to be used.
- the term "front surface" of the outdoor unit 1 refers to an outer surface positioned on an indoor side when the outdoor unit 1 is installed on a wall of a structure such that the outdoor unit 1 can be used.
- the term “rear surface” of the outdoor unit 1 refers to an outer surface positioned on an outdoor side when the outdoor unit 1 is installed on the wall of the structure such that the outdoor unit 1 can be used.
- the term “left surface” or “right surface” of the outdoor unit 1 refers to a left outer surface or a right outer surface of the outdoor unit 1 when the outdoor unit 1 is viewed from the front.
- the outdoor unit 1 includes a casing 1a, a first front panel 3, and a second front panel 5 such that the front panels are arranged on the front of the casing 1a.
- the front panels constitute a front outer surface of the casing 1a of the outdoor unit 1.
- An internal space of the outdoor unit 1 is divided into left and right compartments by a first divider 7.
- the first front panel 3 is formed as a panel that covers the left compartment.
- the second front panel 5 is formed as a panel that covers the front of the right compartment.
- the first front panel 3 and the second front panel 5 are fixed by, for example, screws.
- the front panels can be formed as service panels that allow access to the inside of the outdoor unit 1 for maintenance.
- Each of the first front panel 3 and the second front panel 5 is formed as, for example, a sheet metal panel.
- the first front panel 3 has a first vent 9a and second vents 9b.
- the first vent 9a is disposed such that air inside the outdoor unit 1 can be discharged to the outside by driving and rotating a first air-sending device 11a.
- Each of the second vents 9b is disposed such that air outside the outdoor unit 1 can be sucked into the outdoor unit 1 by driving and rotating a second air-sending device 11b.
- one first vent 9a is disposed in lower part of the first front panel 3, and two second vents 9b are horizontally aligned above the first vent 9a.
- the first vent 9a and the second vents 9b can each have, for example, a circular shape that is the same as the shape of the opening of a corresponding one of rectifier bell mouths surrounding the first air-sending device 11a and the second air-sending devices 11b.
- Each of the first vent 9a and the second vents 9b can be covered with a ventilation cover.
- the rectifier bell mouths and the ventilation covers are not illustrated in the following figures including Fig. 1 .
- the first air-sending device 11a and the second air-sending devices 11b are disposed in the left compartment of the internal space, divided by the first divider 7, of the outdoor unit 1.
- the left compartment serves as an air-sending-device chamber.
- the left compartment, where the first air-sending device 11a and the second air-sending devices 11b are disposed, of the internal space of the outdoor unit 1 divided by the first divider 7 will be referred to as an air-sending-device chamber.
- Each of the first air-sending device 11a and the second air-sending devices 11b is constructed as an axial fan, such as a propeller fan.
- the first air-sending device 11a and the second air-sending devices 11b are disposed so that, in the outdoor unit 1, the direction of an air current produced by driving the first air-sending device 11a is opposite to the direction of an air current produced by driving the second air-sending devices 11b.
- the right compartment of the internal space of the outdoor unit 1 divided by the first divider 7 serves as a machine chamber.
- the machine chamber accommodates a compressor 13 serving as fluid machinery that compresses sucked low-pressure refrigerant and discharges the refrigerant as high-pressure refrigerant.
- the compressor 13 is constructed as, for example, a rotary compressor or a scroll compressor.
- the machine chamber may accommodate other components included in the outdoor unit 1, for example, an accumulator, an oil separator, a refrigerant flow switching device, a liquid receiver, and a pressure reducing device.
- Fig. 2 is a schematic rear view illustrating the exemplary structure of the outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 1.
- a first rear panel 15, a second rear panel 17, and a heat exchanger 19 are disposed on the rear of the casing 1a of the outdoor unit 1. These components constitute a rear outer surface of the casing 1a of the outdoor unit 1.
- the air-sending-device chamber of the outdoor unit 1 is divided into upper and lower compartments by a second divider 21.
- the first rear panel 15 is formed as a panel that covers the upper compartment of the air-sending-device chamber.
- the lower compartment of the air-sending-device chamber accommodates the first air-sending device 11a and the heat exchanger 19 horizontally facing the first air-sending device 11a.
- the second rear panel 17 covers the machine chamber of the outdoor unit 1.
- Each of the first rear panel 15 and the second rear panel 17 is formed as, for example, a sheet metal panel fixed by, for example, screws or soldering.
- the first rear panel 15 has a plurality of air outlets 23.
- the air outlets 23 are disposed so that the air sucked into the outdoor unit 1 through the second vents 9b can be discharged to the outside by driving and rotating the second air-sending devices 11b.
- two air outlets 23 are horizontally aligned.
- the air outlets 23 can each have, for example, a circular shape that is the same as the shape of the opening of the rectifier bell mouth surrounding each of the second air-sending devices 11b.
- Each of the air outlets 23 can be covered with an outlet cover.
- the heat exchanger 19 can be constructed as, for example, a finned-tube heat exchanger including a plurality of fins arranged parallel to one another and heat transfer tubes extending through the plurality of fins.
- the heat exchanger 19 may be flat-shaped or may be U-shaped or L-shaped when the heat exchanger 19 is viewed from above.
- the heat exchanger 19 acts as a condenser in a cooling operation in which cooling energy is provided to, for example, an indoor unit connected to the outdoor unit 1, and acts as an evaporator in a heating operation in which heating energy is provided to, for example, the indoor unit.
- the condenser may be referred to as a radiator and the evaporator may be referred to as a cooler when the refrigeration cycle apparatus is an air-conditioning apparatus.
- the fan diameter of the first air-sending device 11a is determined in consideration of, for example, the outer dimensions of the heat exchanger 19.
- the fan diameter of each of the second air-sending devices 11b or the number of the second air-sending devices 11b installed is determined so that air subjected to heat exchange in the heat exchanger 19 can be discharged to the outside with a sufficient flow rate.
- Fig. 3 is a schematic diagram illustrating an installed state of the outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 1 in an external wall 25 of a building.
- Fig. 4 is a schematic diagram illustrating an installed state of the outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 1 in the external wall 25 of the building and an installed state of an indoor unit 50 connected to the outdoor unit 1 by a refrigerant pipe 45.
- Figs. 3 and 4 schematically illustrate an internal structure of the outdoor unit 1 viewed from the left side of the outdoor unit 1.
- the external wall 25 of the building has an external-wall internal space 27 that is a recess opening to the outside of the building.
- the external-wall internal space 27 is formed in the external wall 25 of the building such that a wall 31 is at least interposed between the external-wall internal space 27 and an indoor space 29.
- a grille 33 is attached to an opening of the external-wall internal space 27 such that the building has a good appearance and ventilation can be achieved.
- the outdoor unit 1 is disposed in the external-wall internal space 27 such that the front surface of the casing 1a of the outdoor unit 1 is directed toward the indoor space 29.
- the wall 31 included in the external wall 25 of the building has a maintenance door 35 so that the external-wall internal space 27 is accessible to a service technician for the outdoor unit 1.
- the first front panel 3 or the second front panel 5 disposed on the front of the casing 1a of the outdoor unit 1 can be formed as a service panel.
- the service technician for the outdoor unit 1 can open the maintenance door 35 in the indoor space 29, approach the outdoor unit 1, remove the service panel, and have access to the inside of the outdoor unit 1.
- the service panel is directed toward the indoor space 29, the service technician can have access to the outdoor unit 1 from the indoor space 29 and readily perform maintenance work, such as additional adjustment of the amount of refrigerant, replacement of components of a control board, and maintenance and inspection of pipe connections or wire connections. Dangerous work outside the building can be avoided.
- the air-sending-device chamber inside the outdoor unit 1 is divided into the upper and lower compartments by the second divider 21 as described above.
- a first air passage 37 in which the heat exchanger 19 and the first air-sending device 11a are disposed is provided under the second divider 21.
- a second air passage 39 in which the second air-sending devices 11b are disposed is provided above the second divider 21.
- the outdoor unit 1 is connected through the refrigerant pipe 45 to the indoor unit 50 that supplies cooling energy or heating energy to the indoor space 29.
- the refrigeration cycle apparatus is an air-conditioning apparatus
- low-temperature and low-pressure two-phase refrigerant is supplied from the outdoor unit 1 to the indoor unit 50 through the refrigerant pipe 45, the refrigerant exchanges heat with indoor air in an indoor side heat exchanger in the indoor unit 50, and cooling energy is supplied to the indoor space 29.
- the indoor unit 50 is constructed as a ceiling-embedded indoor unit in Fig. 4
- the indoor unit 50 may be constructed as, for example, a floor-standing indoor unit. Furthermore, a plurality of the indoor units 50 may be disposed in the indoor space 29.
- FIG. 3 and 4 the air flow during driving of the outdoor unit 1 of a refrigeration cycle apparatus is indicated by open block arrows denoted by reference signs A, B, and C.
- the first air-sending device 11a When the outdoor unit 1 is driven, the first air-sending device 11a is driven and rotated, so that outdoor air is caused to pass through the first air passage 37 in the outdoor unit 1 as indicated by reference sign A.
- the outdoor air then passes through the heat exchanger 19. While passing through the heat exchanger 19, the outdoor air exchanges heat with the refrigerant flowing inside the heat exchanger 19.
- the air subjected to heat exchange in the heat exchanger 19 is discharged from the first vent 9a disposed in the first front panel 3 to the external-wall internal space 27.
- the rotation of the second air-sending devices 11b causes the air discharged to the external-wall internal space 27 to flow in the external-wall internal space 27 as indicated by reference sign B.
- the air is then sucked into the second air passage 39 in the outdoor unit 1 through the second vents 9b disposed in the first front panel 3.
- the rotation of the second air-sending devices 11b causes the air sucked through the second vents 9b to be discharged from the air outlets 23 disposed in the first rear panel 15 as indicated by reference sign C.
- the outdoor unit 1 of a refrigeration cycle apparatus which is installed in the external-wall internal space 27 of a structure, such as a building, includes the casing 1a, the heat exchanger 19 accommodated in the casing 1a, the first air-sending device 11a that causes air to pass through the heat exchanger 19 and discharges the air to the external-wall internal space 27, the second air-sending devices 11b that suck the air discharged to the external-wall internal space 27 by the first air-sending device 11a and discharge the air to the outside of the structure, and the divider that is the second divider 21 that divides an inside of the casing 1a into the first air passage 37 in which the heat exchanger 19 and the first air-sending device 11a are disposed and the second air passage 39 in which the second air-sending devices 11b are disposed.
- Embodiment 1 the air subjected to heat exchange in the outdoor unit 1 is discharged to the external-wall internal space 27 through the first air passage 37.
- the air discharged to the external-wall internal space 27 is discharged to the outside of the structure through the second air passage 39 separated from the first air passage 37 by the second divider 21.
- the outdoor unit 1 can ensure quietness and can be reduced in size.
- the flow of air subjected to heat exchange does not stagnate inside the outdoor unit 1.
- This configuration leads to improvement in performance of the outdoor unit 1, thus enhancing the stability and reliability of the outdoor unit 1 during operation.
- the outdoor unit 1 of a refrigeration cycle apparatus can ensure quietness and achieve both reduction in size and improvement in performance.
- the rotation frequency of the first air-sending device 11a can be reduced, resulting in a reduction in energy consumption of the outdoor unit 1.
- the second air passage 39 can be located above the first air passage 37. Such a configuration can reduce or eliminate a short circuit phenomenon in which air discharged from the second air passage 39 to the outside of the structure is again sucked into the first air passage 37.
- the casing 1a can include a service panel exemplified by the first front panel 3 or the second front panel 5 disposed on the side of the indoor space of the structure.
- the outdoor unit 1 has to be installed in the external-wall internal space 27 of the external wall 25 that divides the indoor space 29 from an outdoor space, because no place cannot be prepared to install the outdoor unit 1.
- the outdoor unit 1 has to be installed in the external-wall internal space 27 of the external wall 25 that divides the indoor space 29 from the outdoor space.
- the above-described configuration allows access to the external-wall internal space 27 from the indoor space 29 and enables installation of the outdoor unit 1 and maintenance work for the outdoor unit 1, such as maintenance and inspection, when the outdoor unit 1 has to be installed in the external-wall internal space 27 of the external wall 25 that divides the indoor space 29 from the outdoor space. Consequently, this configuration can enhance the working efficiency of maintenance of the outdoor unit 1.
- FIG. 5 is a schematic front view illustrating an exemplary structure of an outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2.
- Fig. 6 is a schematic rear view illustrating the exemplary structure of the outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2.
- Embodiment 2 relates to a modification of Embodiment 1 described above.
- the outdoor unit 1 has an internal space that is divided into upper and lower compartments by a second divider 21.
- the lower compartment of the internal space of the outdoor unit 1 is further divided into left and right compartments by a first divider 7.
- the lower right compartment of the internal space of the outdoor unit 1 is covered by a second front panel 5.
- the lower right compartment serves as a machine chamber accommodating, for example, a compressor.
- the rear of the machine chamber is covered by a second rear panel 17.
- the lower left compartment of the internal space of the outdoor unit 1 is covered by a third front panel 55 having a first vent 9a.
- the lower left compartment accommodates a first air-sending device 11a.
- the lower left compartment of the internal space of the outdoor unit 1 corresponds to the first air passage 37 in Embodiment 1 described above.
- the lower left compartment accommodates one first air-sending device 11a.
- the lower left compartment of the internal space of the outdoor unit 1 further accommodates a heat exchanger 19 disposed on the side of the rear of the outdoor unit 1.
- the upper compartment of the internal space of the outdoor unit 1 is covered by a fourth front panel 60 having second vents 9b.
- the upper compartment accommodates second air-sending devices 11b.
- the upper compartment of the internal space of the outdoor unit 1 corresponds to the second air passage 39 in Embodiment 1 described above.
- the upper compartment accommodates three second air-sending devices 11b.
- the rear of the upper compartment of the internal space of the outdoor unit 1 is covered by a first rear panel 15 having a plurality of air outlets 23.
- the outdoor unit 1 of a refrigeration cycle apparatus is configured such that a casing 1a includes the machine chamber that is a space that accommodates a compressor 13, and the second air passage is disposed above the machine chamber.
- a casing 1a includes the machine chamber that is a space that accommodates a compressor 13, and the second air passage is disposed above the machine chamber.
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- General Engineering & Computer Science (AREA)
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Description
- The present invention relates to a wall-embedded outdoor unit of a refrigeration cycle apparatus to be installed in an external wall of a structure, such as a building.
- Examples of wall-embedded outdoor units of a refrigeration cycle apparatus known in the art disclosed in
Patent Literature 1 include an air-conditioning outdoor unit having an air inlet and an air outlet arranged on the same surface of a main body such that the air outlet is located above the air inlet. The outdoor unit disclosed inPatent Literature 1 includes a heat exchanger and an air-sending device located above the heat exchanger. The outdoor unit is configured such that air sucked into the air inlet by driving the air-sending device is subjected to heat exchange in the heat exchanger and is then blown from the air outlet by the air-sending device. In other words, the outdoor unit disclosed inPatent Literature 1 is configured such that the air blown from the air outlet and the air sucked into the air inlet flow in opposite directions. - Patent Literature 1: Japanese Unexamined Patent Application Publication No.
3-213928 - The outdoor unit disclosed in
Patent Literature 1 is provided with an air passage inside the outdoor unit such that the air sucked into the air inlet is directed in an opposite direction and is then blown from the air outlet. Such a configuration increases aerodynamic resistance to air flowing inside the outdoor unit. The increase in aerodynamic resistance results in an increase in noise inside the outdoor unit. Disadvantageously, the outdoor unit disclosed inPatent Literature 1 fails to ensure quietness. To improve the air-sending performance of the air-sending device in the outdoor unit disclosed inPatent Literature 1, the air-sending device has to be increased in size. To improve the heat exchange performance of the heat exchanger in the outdoor unit disclosed inPatent Literature 1, the heat exchanger has to be increased in size. Consequently, it is difficult to achieve both reduction in size of the outdoor unit and improvement in performance of the outdoor unit. - The present invention aims to overcome the above-described disadvantages and aims to provide an outdoor unit of a refrigeration cycle apparatus capable of ensuring quietness and achieving both reduction in size of the outdoor unit and improvement in performance of the outdoor unit.
- An embodiment of the present invention provides an outdoor unit of a refrigeration cycle apparatus to be installed in an external-wall internal space of a structure. The outdoor unit includes a casing, a heat exchanger accommodated in the casing, a first air-sending device configured to cause air to pass through the heat exchanger and discharge the air to the external-wall internal space, a second air-sending device configured to suck the air discharged to the external-wall internal space by the first air-sending device and discharge the air to an outside of the structure, and a divider that divides an inside of the casing into a first air passage and a second air passage. The heat exchanger and the first air-sending device are disposed in the first air passage. The second air-sending device is disposed in the second air passage.
- According to an embodiment of the present invention, it is unnecessary to provide an air passage for directing a flow of air subjected to heat exchange in an opposite direction inside the outdoor unit. Thus, the outdoor unit can ensure quietness and can also be reduced in size. Furthermore, the flow of air subjected to heat exchange does not stagnate inside the outdoor unit, leading to improvement in performance of the outdoor unit. Consequently, an embodiment of the present invention can provide the outdoor unit of a refrigeration cycle apparatus capable of ensuring quietness and achieving both reduction in size of the outdoor unit and improvement in performance of the outdoor unit.
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- [
Fig. 1] Fig. 1 is a schematic front view illustrating an exemplary structure of anoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 of the present invention. - [
Fig. 2] Fig. 2 is a schematic rear view illustrating the exemplary structure of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 of the present invention. - [
Fig. 3] Fig. 3 is a schematic diagram illustrating an installed state of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 of the present invention in anexternal wall 25 of a building. - [
Fig. 4] Fig. 4 is a schematic diagram illustrating an installed state of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 of the present invention in theexternal wall 25 of the building and an installed state of anindoor unit 50 connected to theoutdoor unit 1 by arefrigerant pipe 45. - [
Fig. 5] Fig. 5 is a schematic front view illustrating an exemplary structure of anoutdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2 of the present invention. - [
Fig. 6] Fig. 6 is a schematic rear view illustrating the exemplary structure of theoutdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2 of the present invention. - An
outdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 of the present invention will be described.Fig. 1 is a schematic front view illustrating an exemplary structure of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1. As illustrated inFig. 1 , theoutdoor unit 1 is constructed as a thin-type, wall-embedded outdoor unit having a cuboidal appearance. - Note that the relative dimensions and shapes of components in the following figures including
Fig. 1 may differ from the actual relative dimensions and shapes of the components. In the following figures, the same or similar components are denoted by the same reference signs, or the reference signs for the same or similar components are omitted. In the following description, the positional relationship between the components of theoutdoor unit 1 in the front-rear direction, the left-right direction, or the up-down direction, in principle, is the positional relationship in a state where theoutdoor unit 1 is placed in position ready to be used. The term "front surface" of theoutdoor unit 1 refers to an outer surface positioned on an indoor side when theoutdoor unit 1 is installed on a wall of a structure such that theoutdoor unit 1 can be used. The term "rear surface" of theoutdoor unit 1 refers to an outer surface positioned on an outdoor side when theoutdoor unit 1 is installed on the wall of the structure such that theoutdoor unit 1 can be used. The term "left surface" or "right surface" of theoutdoor unit 1 refers to a left outer surface or a right outer surface of theoutdoor unit 1 when theoutdoor unit 1 is viewed from the front. - As illustrated in
Fig. 1 , theoutdoor unit 1 includes acasing 1a, afirst front panel 3, and asecond front panel 5 such that the front panels are arranged on the front of thecasing 1a. The front panels constitute a front outer surface of thecasing 1a of theoutdoor unit 1. An internal space of theoutdoor unit 1 is divided into left and right compartments by afirst divider 7. Thefirst front panel 3 is formed as a panel that covers the left compartment. Thesecond front panel 5 is formed as a panel that covers the front of the right compartment. Thefirst front panel 3 and thesecond front panel 5 are fixed by, for example, screws. The front panels can be formed as service panels that allow access to the inside of theoutdoor unit 1 for maintenance. Each of thefirst front panel 3 and thesecond front panel 5 is formed as, for example, a sheet metal panel. - The first
front panel 3 has afirst vent 9a andsecond vents 9b. Thefirst vent 9a is disposed such that air inside theoutdoor unit 1 can be discharged to the outside by driving and rotating a first air-sendingdevice 11a. Each of thesecond vents 9b is disposed such that air outside theoutdoor unit 1 can be sucked into theoutdoor unit 1 by driving and rotating a second air-sendingdevice 11b. InFig. 1 , onefirst vent 9a is disposed in lower part of thefirst front panel 3, and twosecond vents 9b are horizontally aligned above thefirst vent 9a. Thefirst vent 9a and thesecond vents 9b can each have, for example, a circular shape that is the same as the shape of the opening of a corresponding one of rectifier bell mouths surrounding the first air-sendingdevice 11a and the second air-sendingdevices 11b. Each of thefirst vent 9a and thesecond vents 9b can be covered with a ventilation cover. The rectifier bell mouths and the ventilation covers are not illustrated in the following figures includingFig. 1 . - The first air-
sending device 11a and the second air-sendingdevices 11b are disposed in the left compartment of the internal space, divided by thefirst divider 7, of theoutdoor unit 1. The left compartment serves as an air-sending-device chamber. The left compartment, where the first air-sending device 11a and the second air-sendingdevices 11b are disposed, of the internal space of theoutdoor unit 1 divided by thefirst divider 7 will be referred to as an air-sending-device chamber. Each of the first air-sending device 11a and the second air-sendingdevices 11b is constructed as an axial fan, such as a propeller fan. The first air-sending device 11a and the second air-sendingdevices 11b are disposed so that, in theoutdoor unit 1, the direction of an air current produced by driving the first air-sendingdevice 11a is opposite to the direction of an air current produced by driving the second air-sendingdevices 11b. - The right compartment of the internal space of the
outdoor unit 1 divided by thefirst divider 7 serves as a machine chamber. As illustrated in, for example,Fig. 1 , the machine chamber accommodates acompressor 13 serving as fluid machinery that compresses sucked low-pressure refrigerant and discharges the refrigerant as high-pressure refrigerant. Thecompressor 13 is constructed as, for example, a rotary compressor or a scroll compressor. The machine chamber may accommodate other components included in theoutdoor unit 1, for example, an accumulator, an oil separator, a refrigerant flow switching device, a liquid receiver, and a pressure reducing device. -
Fig. 2 is a schematic rear view illustrating the exemplary structure of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1. As illustrated inFig. 2 , a firstrear panel 15, a secondrear panel 17, and aheat exchanger 19 are disposed on the rear of thecasing 1a of theoutdoor unit 1. These components constitute a rear outer surface of thecasing 1a of theoutdoor unit 1. The air-sending-device chamber of theoutdoor unit 1 is divided into upper and lower compartments by asecond divider 21. The firstrear panel 15 is formed as a panel that covers the upper compartment of the air-sending-device chamber. The lower compartment of the air-sending-device chamber accommodates the first air-sendingdevice 11a and theheat exchanger 19 horizontally facing the first air-sendingdevice 11a. The secondrear panel 17 covers the machine chamber of theoutdoor unit 1. Each of the firstrear panel 15 and the secondrear panel 17 is formed as, for example, a sheet metal panel fixed by, for example, screws or soldering. - The first
rear panel 15 has a plurality ofair outlets 23. Theair outlets 23 are disposed so that the air sucked into theoutdoor unit 1 through thesecond vents 9b can be discharged to the outside by driving and rotating the second air-sendingdevices 11b. InFig. 2 , twoair outlets 23 are horizontally aligned. Similarly to thesecond vents 9b, theair outlets 23 can each have, for example, a circular shape that is the same as the shape of the opening of the rectifier bell mouth surrounding each of the second air-sendingdevices 11b. Each of theair outlets 23 can be covered with an outlet cover. - The
heat exchanger 19 can be constructed as, for example, a finned-tube heat exchanger including a plurality of fins arranged parallel to one another and heat transfer tubes extending through the plurality of fins. Theheat exchanger 19 may be flat-shaped or may be U-shaped or L-shaped when theheat exchanger 19 is viewed from above. Theheat exchanger 19 acts as a condenser in a cooling operation in which cooling energy is provided to, for example, an indoor unit connected to theoutdoor unit 1, and acts as an evaporator in a heating operation in which heating energy is provided to, for example, the indoor unit. The condenser may be referred to as a radiator and the evaporator may be referred to as a cooler when the refrigeration cycle apparatus is an air-conditioning apparatus. - The fan diameter of the first air-sending
device 11a is determined in consideration of, for example, the outer dimensions of theheat exchanger 19. The fan diameter of each of the second air-sendingdevices 11b or the number of the second air-sendingdevices 11b installed is determined so that air subjected to heat exchange in theheat exchanger 19 can be discharged to the outside with a sufficient flow rate. - An installed state of the
outdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 will be described below with reference toFigs. 3 and4 . -
Fig. 3 is a schematic diagram illustrating an installed state of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 in anexternal wall 25 of a building.Fig. 4 is a schematic diagram illustrating an installed state of theoutdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1 in theexternal wall 25 of the building and an installed state of anindoor unit 50 connected to theoutdoor unit 1 by arefrigerant pipe 45.Figs. 3 and4 schematically illustrate an internal structure of theoutdoor unit 1 viewed from the left side of theoutdoor unit 1. - As illustrated in
Fig. 3 , theexternal wall 25 of the building has an external-wallinternal space 27 that is a recess opening to the outside of the building. Specifically, the external-wallinternal space 27 is formed in theexternal wall 25 of the building such that awall 31 is at least interposed between the external-wallinternal space 27 and anindoor space 29. Agrille 33 is attached to an opening of the external-wallinternal space 27 such that the building has a good appearance and ventilation can be achieved. - As illustrated in
Figs. 3 and4 , theoutdoor unit 1 is disposed in the external-wallinternal space 27 such that the front surface of thecasing 1a of theoutdoor unit 1 is directed toward theindoor space 29. As illustrated inFig. 4 , thewall 31 included in theexternal wall 25 of the building has amaintenance door 35 so that the external-wallinternal space 27 is accessible to a service technician for theoutdoor unit 1. As described above, the firstfront panel 3 or the secondfront panel 5 disposed on the front of thecasing 1a of theoutdoor unit 1 can be formed as a service panel. As the firstfront panel 3 or the secondfront panel 5 is formed as a service panel, the service technician for theoutdoor unit 1 can open themaintenance door 35 in theindoor space 29, approach theoutdoor unit 1, remove the service panel, and have access to the inside of theoutdoor unit 1. As the service panel is directed toward theindoor space 29, the service technician can have access to theoutdoor unit 1 from theindoor space 29 and readily perform maintenance work, such as additional adjustment of the amount of refrigerant, replacement of components of a control board, and maintenance and inspection of pipe connections or wire connections. Dangerous work outside the building can be avoided. - As illustrated in
Figs. 3 and4 , the air-sending-device chamber inside theoutdoor unit 1 is divided into the upper and lower compartments by thesecond divider 21 as described above. Afirst air passage 37 in which theheat exchanger 19 and the first air-sendingdevice 11a are disposed is provided under thesecond divider 21. Asecond air passage 39 in which the second air-sendingdevices 11b are disposed is provided above thesecond divider 21. - As illustrated in
Fig. 4 , theoutdoor unit 1 is connected through therefrigerant pipe 45 to theindoor unit 50 that supplies cooling energy or heating energy to theindoor space 29. For example, when the refrigeration cycle apparatus is an air-conditioning apparatus, in the cooling operation, low-temperature and low-pressure two-phase refrigerant is supplied from theoutdoor unit 1 to theindoor unit 50 through therefrigerant pipe 45, the refrigerant exchanges heat with indoor air in an indoor side heat exchanger in theindoor unit 50, and cooling energy is supplied to theindoor space 29. In the heating operation, high-temperature and high-pressure gas-phase refrigerant is supplied from theoutdoor unit 1 to theindoor unit 50 through therefrigerant pipe 45, the refrigerant exchanges heat with the indoor air in the indoor side heat exchanger in theindoor unit 50, and heating energy is supplied to theindoor space 29. Although theindoor unit 50 is constructed as a ceiling-embedded indoor unit inFig. 4 , theindoor unit 50 may be constructed as, for example, a floor-standing indoor unit. Furthermore, a plurality of theindoor units 50 may be disposed in theindoor space 29. - A flow of air to be subjected to heat exchange in the
outdoor unit 1 of a refrigeration cycle apparatus when theoutdoor unit 1 is being driven will be described below. InFigs. 3 and4 , the air flow during driving of theoutdoor unit 1 of a refrigeration cycle apparatus is indicated by open block arrows denoted by reference signs A, B, and C. - When the
outdoor unit 1 is driven, the first air-sendingdevice 11a is driven and rotated, so that outdoor air is caused to pass through thefirst air passage 37 in theoutdoor unit 1 as indicated by reference sign A. The outdoor air then passes through theheat exchanger 19. While passing through theheat exchanger 19, the outdoor air exchanges heat with the refrigerant flowing inside theheat exchanger 19. The air subjected to heat exchange in theheat exchanger 19 is discharged from thefirst vent 9a disposed in the firstfront panel 3 to the external-wallinternal space 27. The rotation of the second air-sendingdevices 11b causes the air discharged to the external-wallinternal space 27 to flow in the external-wallinternal space 27 as indicated by reference sign B. The air is then sucked into thesecond air passage 39 in theoutdoor unit 1 through thesecond vents 9b disposed in the firstfront panel 3. The rotation of the second air-sendingdevices 11b causes the air sucked through thesecond vents 9b to be discharged from theair outlets 23 disposed in the firstrear panel 15 as indicated by reference sign C. - As described above, the
outdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1, which is installed in the external-wallinternal space 27 of a structure, such as a building, includes thecasing 1a, theheat exchanger 19 accommodated in thecasing 1a, the first air-sendingdevice 11a that causes air to pass through theheat exchanger 19 and discharges the air to the external-wallinternal space 27, the second air-sendingdevices 11b that suck the air discharged to the external-wallinternal space 27 by the first air-sendingdevice 11a and discharge the air to the outside of the structure, and the divider that is thesecond divider 21 that divides an inside of thecasing 1a into thefirst air passage 37 in which theheat exchanger 19 and the first air-sendingdevice 11a are disposed and thesecond air passage 39 in which the second air-sendingdevices 11b are disposed. - In
Embodiment 1, the air subjected to heat exchange in theoutdoor unit 1 is discharged to the external-wallinternal space 27 through thefirst air passage 37. The air discharged to the external-wallinternal space 27 is discharged to the outside of the structure through thesecond air passage 39 separated from thefirst air passage 37 by thesecond divider 21. InEmbodiment 1, it is unnecessary to provide an air passage for directing the flow of air subjected to heat exchange in the opposite direction in theoutdoor unit 1. Thus, theoutdoor unit 1 can ensure quietness and can be reduced in size. In addition, the flow of air subjected to heat exchange does not stagnate inside theoutdoor unit 1. This configuration leads to improvement in performance of theoutdoor unit 1, thus enhancing the stability and reliability of theoutdoor unit 1 during operation. With the configuration inEmbodiment 1, consequently, theoutdoor unit 1 of a refrigeration cycle apparatus can ensure quietness and achieve both reduction in size and improvement in performance. - In addition, as the flow of air subjected to heat exchange does not stagnate inside the
outdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1, the rotation frequency of the first air-sendingdevice 11a can be reduced, resulting in a reduction in energy consumption of theoutdoor unit 1. - In the
outdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1, thesecond air passage 39 can be located above thefirst air passage 37. Such a configuration can reduce or eliminate a short circuit phenomenon in which air discharged from thesecond air passage 39 to the outside of the structure is again sucked into thefirst air passage 37. - In the
outdoor unit 1 of a refrigeration cycle apparatus according toEmbodiment 1, thecasing 1a can include a service panel exemplified by the firstfront panel 3 or the secondfront panel 5 disposed on the side of the indoor space of the structure. In some cases, theoutdoor unit 1 has to be installed in the external-wallinternal space 27 of theexternal wall 25 that divides theindoor space 29 from an outdoor space, because no place cannot be prepared to install theoutdoor unit 1. In some cases, for reasons of appearance of a structure, theoutdoor unit 1 has to be installed in the external-wallinternal space 27 of theexternal wall 25 that divides theindoor space 29 from the outdoor space. The above-described configuration allows access to the external-wallinternal space 27 from theindoor space 29 and enables installation of theoutdoor unit 1 and maintenance work for theoutdoor unit 1, such as maintenance and inspection, when theoutdoor unit 1 has to be installed in the external-wallinternal space 27 of theexternal wall 25 that divides theindoor space 29 from the outdoor space. Consequently, this configuration can enhance the working efficiency of maintenance of theoutdoor unit 1. - Embodiment 2 of the present invention will be described with reference to
Figs. 5 and6 .Fig. 5 is a schematic front view illustrating an exemplary structure of anoutdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2.Fig. 6 is a schematic rear view illustrating the exemplary structure of theoutdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2. - Embodiment 2 relates to a modification of
Embodiment 1 described above. As illustrated inFig. 5 , theoutdoor unit 1 has an internal space that is divided into upper and lower compartments by asecond divider 21. The lower compartment of the internal space of theoutdoor unit 1 is further divided into left and right compartments by afirst divider 7. - The lower right compartment of the internal space of the
outdoor unit 1 is covered by a secondfront panel 5. The lower right compartment serves as a machine chamber accommodating, for example, a compressor. As illustrated inFig. 6 , the rear of the machine chamber is covered by a secondrear panel 17. - The lower left compartment of the internal space of the
outdoor unit 1 is covered by a thirdfront panel 55 having afirst vent 9a. The lower left compartment accommodates a first air-sendingdevice 11a. The lower left compartment of the internal space of theoutdoor unit 1 corresponds to thefirst air passage 37 inEmbodiment 1 described above. InFig. 5 , the lower left compartment accommodates one first air-sendingdevice 11a. As illustrated inFig. 6 , the lower left compartment of the internal space of theoutdoor unit 1 further accommodates aheat exchanger 19 disposed on the side of the rear of theoutdoor unit 1. - The upper compartment of the internal space of the
outdoor unit 1 is covered by a fourthfront panel 60 havingsecond vents 9b. The upper compartment accommodates second air-sendingdevices 11b. The upper compartment of the internal space of theoutdoor unit 1 corresponds to thesecond air passage 39 inEmbodiment 1 described above. InFig. 5 , the upper compartment accommodates three second air-sendingdevices 11b. As illustrated inFig. 6 , the rear of the upper compartment of the internal space of theoutdoor unit 1 is covered by a firstrear panel 15 having a plurality ofair outlets 23. - As described above, the
outdoor unit 1 of a refrigeration cycle apparatus according to Embodiment 2 is configured such that acasing 1a includes the machine chamber that is a space that accommodates acompressor 13, and the second air passage is disposed above the machine chamber. Such a configuration allows an increase in the number of the second air-sendingdevices 11b that can be disposed in thesecond air passage 39, thus enhancing the efficiency with which air subjected to heat exchange is discharged. - The present invention is not limited to the embodiments described above. Various changes and modifications of the present invention may be made without departing from the scope of the present invention, as defined in the appended claims. For example, the embodiments described above are also applicable to refrigeration cycle apparatuses other than an air-conditioning apparatus, for example, a heat pump water heater.
- 1
outdoor 3 firstunit 1a casingfront panel 5 secondfront panel 7first divider 9afirst vent 9bsecond vent 11a first air-sendingdevice 11b second air-sendingdevice 13compressor 15 firstrear panel 17 secondrear panel 19heat exchanger 21second divider 23air outlet 25external wall 27 external-wallinternal space 29indoor space 31wall 33grille 35maintenance door 37first air passage 39second air passage 45refrigerant pipe 50indoor unit 55 thirdfront panel 60 fourth front panel
Claims (4)
- An outdoor unit (1) of a refrigeration cycle apparatus, the outdoor unit (1) being configured to be installed in an external-wall internal space (27) of a structure, the outdoor unit (1) comprising:a casing (1a);a heat exchanger (19) accommodated in the casing (1a):the outdoor unit (1) characterised by further compring:a first air-sending device (11a) configured to cause air to pass through the heat exchanger (19) and discharge the air to the external-wall internal space (27);a second air-sending device (11b) configured to suck the air discharged to the external-wall internal space (27) by the first air-sending device (11a) and discharge the air to an outside of the structure; anda divider (21) that divides an inside of the casing (1a) into a first air passage (37) and a second air passage (39),the heat exchanger (19) and the first air-sending device (11a) being disposed in the first air passage (37),the second air-sending device (11b) being disposed in the second air passage (39).
- The outdoor unit (1) of a refrigeration cycle apparatus of claim 1, wherein the second air passage (39) is located above the first air passage (37).
- The outdoor unit (1) of a refrigeration cycle apparatus of claim 2,
wherein the casing (1a) includes a machine chamber that serves as a space accommodating a compressor (13), and
wherein the second air passage (39) is located above the machine chamber. - The outdoor unit (1) of a refrigeration cycle apparatus of any one of claims 1 to 3, wherein the casing (1a) includes a service panel (3, 5).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2015/085586 WO2017104085A1 (en) | 2015-12-18 | 2015-12-18 | Outdoor machine for freezing cycle apparatus |
Publications (3)
Publication Number | Publication Date |
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EP3392573A1 EP3392573A1 (en) | 2018-10-24 |
EP3392573A4 EP3392573A4 (en) | 2018-12-12 |
EP3392573B1 true EP3392573B1 (en) | 2019-11-13 |
Family
ID=59056167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15910775.4A Not-in-force EP3392573B1 (en) | 2015-12-18 | 2015-12-18 | Outdoor machine for freezing cycle apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180283704A1 (en) |
EP (1) | EP3392573B1 (en) |
JP (1) | JP6388734B2 (en) |
CN (1) | CN207179851U (en) |
WO (1) | WO2017104085A1 (en) |
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JP5805598B2 (en) * | 2012-09-12 | 2015-11-04 | 三菱電機株式会社 | Refrigeration cycle equipment |
KR101992147B1 (en) * | 2012-10-26 | 2019-09-30 | 삼성전자주식회사 | Air conditioner |
JP5459747B1 (en) * | 2013-07-09 | 2014-04-02 | 有限会社アクアテック | Condenser auxiliary cooling system |
JP6053636B2 (en) * | 2013-08-07 | 2016-12-27 | 三菱電機株式会社 | Outdoor unit for air conditioner and method for manufacturing outdoor unit for air conditioner |
KR102170317B1 (en) * | 2014-01-14 | 2020-10-26 | 엘지전자 주식회사 | Outdoor unit control for air conditoiner |
CN106610060B (en) * | 2015-10-26 | 2019-06-07 | Lg电子株式会社 | Air regulator |
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2015
- 2015-12-18 CN CN201590000361.4U patent/CN207179851U/en not_active Expired - Fee Related
- 2015-12-18 EP EP15910775.4A patent/EP3392573B1/en not_active Not-in-force
- 2015-12-18 WO PCT/JP2015/085586 patent/WO2017104085A1/en active Application Filing
- 2015-12-18 US US15/768,043 patent/US20180283704A1/en not_active Abandoned
- 2015-12-18 JP JP2017556307A patent/JP6388734B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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US20180283704A1 (en) | 2018-10-04 |
EP3392573A4 (en) | 2018-12-12 |
EP3392573A1 (en) | 2018-10-24 |
CN207179851U (en) | 2018-04-03 |
WO2017104085A1 (en) | 2017-06-22 |
JP6388734B2 (en) | 2018-09-12 |
JPWO2017104085A1 (en) | 2018-02-22 |
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