WO2021205499A1 - 室外機 - Google Patents

室外機 Download PDF

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Publication number
WO2021205499A1
WO2021205499A1 PCT/JP2020/015473 JP2020015473W WO2021205499A1 WO 2021205499 A1 WO2021205499 A1 WO 2021205499A1 JP 2020015473 W JP2020015473 W JP 2020015473W WO 2021205499 A1 WO2021205499 A1 WO 2021205499A1
Authority
WO
WIPO (PCT)
Prior art keywords
drain
bottom plate
outdoor unit
hole
connection hole
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.)
Ceased
Application number
PCT/JP2020/015473
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
雄介 萩原
隼人 栗野
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
Priority to PCT/JP2020/015473 priority Critical patent/WO2021205499A1/ja
Priority to CN202080099238.8A priority patent/CN115362334A/zh
Priority to JP2022513708A priority patent/JP7341325B2/ja
Publication of WO2021205499A1 publication Critical patent/WO2021205499A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/36—Drip trays for outdoor units

Definitions

  • the present disclosure relates to an outdoor unit having a bottom plate in which a drain hole is formed.
  • Some outdoor units have a bottom plate with drain drain holes to drain the condensed water generated on the surface of the heat exchanger to the outside of the unit.
  • a socket part is provided in the drain drain hole, and the drain drain hole and the drain hose can be connected by the socket part.
  • Patent Document 1 discloses a configuration in which an air suction port is provided on the back surface of the outdoor unit and a socket component is attached below the air suction port. It has been proposed that this configuration secures the number of stages of the heat exchanger and improves the drawing and storage of the drain hose.
  • the outdoor unit of Patent Document 1 has a structure in which a drain hole is provided on the side surface of the bottom plate, the full water position rises and the drainage property deteriorates.
  • Condensed water that is not drained and collects in the machine causes corrosion of the sheet metal parts that make up the bottom plate of the outdoor unit.
  • the condensed water that is not drained and collects in the machine freezes during heating operation at a low outside temperature. When the condensed water freezes and closes the drain drain hole, the freezing grows and comes into contact with the pipe or fan, causing damage.
  • the present disclosure has been made to solve the above problems, and an object of the present disclosure is to provide an outdoor unit having improved drainage of condensed water from the bottom plate.
  • the outdoor unit has a bottom surface on which a heat exchanger is mounted, a wall surface erected from the edge of the bottom surface, a bottom plate having a drain hole, and a guide surface attached to the bottom plate.
  • a drain base having a rising surface continuous from the guide surface and extending upward, and a connecting hole formed on the rising surface and to which a drain hose is connected, is provided, and the drain hole is formed from the bottom surface to the above.
  • the drain base is provided so as to straddle the wall surface, and the guide surface closes the drainage hole on the bottom surface from below, the rising surface is along the wall surface, and the connection hole is the drainage hole on the wall surface. It is fixed to the bottom plate from the outside of the bottom plate so as to face the hole.
  • the condensed water flows out from the drain hole formed across the bottom surface and the wall surface of the bottom plate, and is guided to the connection hole by the guide surface of the drain base to be drained, so that dew condensation occurs.
  • An outdoor unit with improved water drainage can be obtained.
  • the X direction indicates the left-right direction of the outdoor unit 100, and the arrow indicates the right-to-left direction.
  • the Y direction indicates the front-rear direction of the outdoor unit 100, and the arrow indicates the front-to-back direction.
  • the Z direction indicates the vertical direction of the outdoor unit 100, and the arrow indicates the upward direction from the bottom.
  • FIG. 1 is a perspective view showing the appearance of the outdoor unit 100 according to the present embodiment.
  • FIG. 2 is a perspective view showing the inside of the outdoor unit 100 according to the present embodiment.
  • the outdoor unit 100 has a housing composed of a front panel 1, a back panel 2, a right side panel 3, a left side panel 4, a top panel 5, and a bottom plate 6. .
  • the front panel 1, the back panel 2, the right side panel 3, the left side panel 4, and the top panel 5 constitute an outer panel as a design component.
  • the housing houses the compressor 12, the heat exchanger 13, and the propeller fan 14 mounted on the bottom plate 6.
  • the inside of the housing is divided into a machine room 110 and a blower room 120 by a partition plate 10.
  • the partition plate 10 is arranged on the bottom plate 6, is provided so as to extend upward from the bottom plate 6, and is provided so as to extend in the front-rear direction of the bottom plate 6.
  • the partition plate 10 is provided so as to extend between the front panel 1 and the back panel 2.
  • An electric component box 10a is arranged at the upper edge of the partition plate 10.
  • the compressor 12 is housed in the machine room 110.
  • the compressor 12 compresses the sucked refrigerant into a high-temperature and high-pressure gas refrigerant and discharges the refrigerant.
  • the compressor 12 may be, for example, a rotary type compressor or a scroll type compressor.
  • the machine room 110 is provided with a refrigerant pipe for connecting the components constituting the refrigeration cycle circuit.
  • the heat exchanger 13 and the propeller fan 14 are housed in the blower room 120.
  • the blower room 120 takes in air from the outside of the outdoor unit 100 via the heat exchanger 13 and discharges the air inside the outdoor unit 100 to the outside through the air outlet 1a.
  • the propeller fan 14 is arranged on the back surface of the grill 1b that covers the air outlet 1a, and the heat exchanger 13 is arranged on the back surface of the propeller fan 14.
  • a motor fan for driving the propeller fan 14 is also attached to the blower chamber 120.
  • the heat exchanger 13 exchanges heat between the refrigerant flowing inside and the outside air, and functions as an evaporator during the heating operation and as a condenser during the cooling operation.
  • the heat exchanger 13 can be configured as, for example, a fin-and-tube heat exchanger.
  • the heat exchanger 13 is composed of a plurality of heat transfer tubes 13a and a plurality of fins 13b through which the plurality of heat transfer tubes 13a are inserted.
  • Refrigerant flows inside the plurality of heat transfer tubes 13a.
  • the refrigerant exchanges heat with the outside air via a plurality of fins 13b attached to the plurality of heat transfer tubes 13a.
  • the heat exchanger 13 has a flat plate region and a curved surface region, and is formed in an L shape when viewed from above.
  • the shape of the heat exchanger 13 is not limited to the L shape, and the heat exchanger 13 may be formed in a straight line when viewed from above.
  • the propeller fan 14 is driven to generate an air flow inside the outdoor unit 100. Air is sucked into the outdoor unit 100 from the suction port 2a by the propeller fan 14, passes through the heat exchanger 13, and is blown out to the outside.
  • the compressor 12 and the heat exchanger 13 form a refrigeration cycle together with the indoor unit connected to the outdoor unit 100 by an extension pipe.
  • the extension piping and the indoor unit are not shown.
  • the gas refrigerant compressed by the compressor 12 to a high temperature and high pressure flows into the heat exchanger 13 and exchanges heat with the air passing outside the heat exchanger 13 to become a high pressure liquid refrigerant. It flows out from the heat exchanger 13.
  • the high-pressure liquid refrigerant flowing out of the heat exchanger 13 is decompressed by the expansion valve, flows out from the outdoor unit 100 through the extension pipe, exchanges heat with the indoor air in the indoor unit, and then flows into the outdoor unit 100 again. It is sucked into the compressor 12.
  • the gas refrigerant compressed by the compressor 12 to a high temperature and high pressure flows into the indoor unit from the outdoor unit 100 through an extension pipe and exchanges heat with the indoor air to become a high-pressure liquid refrigerant.
  • the high-pressure liquid refrigerant flows from the indoor unit through the extension pipe to the outdoor unit 100 again, and is decompressed to become a low-pressure gas-liquid two-phase refrigerant.
  • the low-pressure gas-liquid two-phase refrigerant exchanges heat with the outdoor air in the heat exchanger 13, becomes a low-temperature low-pressure gas refrigerant, and is sucked into the compressor 12 again.
  • FIG. 3 is a perspective view of the bottom plate 6 according to the present embodiment as viewed from the front.
  • FIG. 4 is an enlarged perspective view of the bottom plate 6 according to the present embodiment.
  • the bottom plate 6 is composed of a bottom surface 61 and a wall surface 62 erected from the outer peripheral edge of the bottom surface 61.
  • the bottom plate 6 is formed with a drain hole 63 that straddles the bottom surface 61 and the wall surface 62 on the back surface side.
  • the bottom plate 6 constitutes the lower part of the housing of the outdoor unit 100.
  • the components of the outdoor unit 100 are mounted on the upper surface of the bottom plate 6.
  • the bottom plate 6 receives the condensed water generated by the heat exchanger 13 placed on the upper portion at the bottom surface 61.
  • the bottom surface 61 has an uneven shape.
  • the condensed water dropped on the bottom surface 61 flows on the bottom surface 61 using the concave drain groove 61a recessed downward as a drainage path.
  • the drain groove 61a is formed, for example, below the heat exchanger 13 in a shape that follows the shape of the heat exchanger 13.
  • the drain hole 63 is surrounded by a drain water pool 61b formed between the drain groove 61a and the wall surface 62 on the back side.
  • the drain puddle 61b is formed in a shape that is continuous from the bottom of the drain groove 61a and is recessed below the bottom of the drain groove 61a.
  • the drain puddle 61b is the lowest height region of the bottom surface 61.
  • the drain hole 63 is formed at a corner portion that straddles the bottom surface 61 and the wall surface 62 on the back surface side and connects the bottom surface 61 and the wall surface 62 on the back surface side.
  • the drainage hole 63 is configured by integrating a bottom surface opening 63a that opens to the bottom surface 61 and a wall surface opening 63b that opens to the wall surface 62 on the back surface side.
  • the bottom opening 63a has a U-shape extending inward from the corner where the bottom 61 and the wall surface 62 are connected.
  • the bottom opening 63a is located at the lowest height of the bottom 61.
  • the wall surface opening 63b is formed on the wall surface 62 of the bottom plate 6.
  • the wall surface opening 63b has a U-shape that is continuous with the bottom surface opening 63a and extends upward from the corner portion where the bottom surface 61 and the wall surface 62 are connected.
  • the bottom opening 63a of the drain hole 63 is located at the lowest height of the bottom 61, all the condensed water is drained from the bottom plate 6. Since the drainage hole 63 is formed by the bottom surface opening 63a and the wall surface opening 63b, the drainage route is expanded as compared with the case where the hole formed in the wall surface 62 is used as the drainage route. By providing the bottom opening 63a, the full position of the bottom plate 6 is lower than in the case where only the hole formed in the wall surface 62 is used as the drainage path, and it is difficult for the condensed water to be held in the bottom plate 6.
  • the drain hole 63 is formed, for example, in the center in the left-right direction of the wall surface 62 on the back surface side.
  • a plurality of engaging holes 61c are formed in the drain water pool 61b on the bottom surface 61.
  • a plurality of engaging holes 62a are formed on the wall surface 62 on the back surface side.
  • the plurality of engaging holes 61c on the bottom surface 61 and the plurality of engaging holes 62a on the wall surface 62 are holes for attaching the drain base 7 to the bottom plate 6.
  • the drain base 7 will be described later.
  • FIG. 5 is a perspective view showing the back surface of the outdoor unit 100 according to the present embodiment. As shown in FIG. 5, the back surface of the outdoor unit 100 is covered with a back panel 2 on the machine room 110 side, and a suction port 2a is opened on the blower room 120 side.
  • the back panel 2 may be an L-shaped member in a top view integrated with the right side panel 3, or may be a member separate from the right side panel 3.
  • the suction port 2a is an opening for sucking air into the outdoor unit 100.
  • the heat exchanger 13 is exposed from the suction port 2a. The air sucked into the outdoor unit 100 from the suction port 2a passes through the heat exchanger 13 and is blown out from the air outlet 1a on the front side to the outside of the outdoor unit 100.
  • the lower part of the suction port 2a is defined by the wall surface 62 on the back side of the bottom plate 6.
  • a drain base 7 that covers the drain hole 63 formed in the wall surface 62 on the back side is attached to the bottom plate 6 below the suction port 2a.
  • FIG. 6 is an enlarged perspective view of the periphery of the drain base 7 according to the present embodiment as viewed from the back.
  • FIG. 7 is an enlarged perspective view of the drain base 7 according to the present embodiment as viewed from the back.
  • the drain base 7 is fixed to the wall surface 62 on the back side of the bottom plate 6 from the outside.
  • the drain base 7 is provided to allow the condensed water flowing out from the drain hole 63 of the bottom plate 6 to flow to the drain hose.
  • the drain base 7 is resin-molded.
  • the drain base 7 is attached so as to be in close contact with the bottom plate 6.
  • the drain base 7 is an L-shaped member in a side view having a guide surface 71 and a rising surface 72 continuous from the guide surface 71.
  • the guide surface 71 is a surface along the outer surface of the bottom surface 61 of the bottom plate 6 when the drain base 7 is attached to the bottom plate 6.
  • the guide surface 71 is provided so as to cover the bottom opening 63a of the drain hole 63 from below, and closes the bottom opening 63a.
  • the guide surface 71 is located below the bottom opening 63a of the drain hole 63, and is a surface that receives the condensed water that flows from the drain water pool 61b to the drain hole 63 and is drained.
  • the guide surface 71 has a larger area than the bottom opening 63a of the drain hole 63.
  • the guide surface 71 has a structure in which condensed water flowing from the bottom opening 63a does not leak from between the drain base 7 and the bottom plate 6.
  • the rising surface 72 is a surface along the wall surface 62 of the bottom plate 6 in a state where the drain base 7 is attached to the bottom plate 6, and is a surface that is continuous from the guide surface 71 and extends upward.
  • a connection hole 7a is formed on the rising surface 72.
  • connection hole 7a is a hole that flows out from the drain hole 63 of the bottom plate 6 and discharges the condensed water guided to the guide surface 71.
  • the lowermost portion of the connection hole 7a is in contact with a portion where the rising surface 72 and the guide surface 71 are continuous.
  • the connection hole 7a has a cylindrical shape protruding from the rising surface 72.
  • the condensed water received on the guide surface 71 is drained from the connection hole 7a without staying on the guide surface 71.
  • the guide surface 71 may have a configuration in which the path from the bottom opening 63a of the drainage hole 63 to the connection hole 7a is inclined downward. This prevents the condensed water from staying on the guide surface 71.
  • the rising surface 72 is formed with an engaging protrusion 72a protruding from the rising surface 72.
  • the engaging protrusion 72a of the rising surface 72 is a protrusion that engages with the engaging hole 62a formed in the wall surface 62 of the bottom plate 6.
  • the engaging protrusion 72a has, for example, a shape in which the tip is bent like a hook.
  • the engaging protrusion 72a is hooked on the engaging hole 62a. Since the engaging protrusion 72a is made of resin like the drain base 7, the drain base 7 is fixed to the bottom plate 6 by the restoring force of the engaging protrusion 72a.
  • the guide surface 71 is formed with an engaging protrusion protruding from the guide surface 71.
  • the engaging projection of the guide surface 71 may have the same shape as the engaging projection 72a formed on the rising surface 72.
  • the engaging protrusion of the guide surface 71 is a protrusion that engages with the engaging hole 61c formed in the bottom surface 61 of the bottom plate 6. The engaging projection of the guide surface 71 is not shown.
  • the guide surface 71 may be curved downward in a shape along the circumference of the connection hole 7a at a portion in contact with the connection hole 7a so that water can easily collect in the connection hole 7a.
  • the condensed water of the guide surface 71 is smoothly discharged from the guide surface 71 through the connection hole 7a.
  • FIG. 8 is a schematic view illustrating the flow of condensed water flowing from the bottom plate 6 to the drain base 7 according to the present embodiment.
  • FIG. 8 shows a cross section of the outdoor unit 100 passing through the center of the connection hole 7a along the front-rear direction.
  • the edge of the bottom opening 63a of the drain hole 63 is continuous with the upper surface of the guide surface 71 of the drain base 7.
  • the guide surface 71 of the drain base 7 and the lower portion of the connection hole 7a are flush with each other.
  • the drainage path from the guide surface 71 of the drain base 7 to the connection hole 7a is inclined downward toward the connection hole 7a.
  • the condensed water When condensed water is generated in the heat exchanger 13, the condensed water drops onto the bottom plate 6 and reaches the drain hole 63 formed in the drain water pool 61b through the drain groove 61a on the bottom surface 61.
  • the condensed water that has reached the drain hole 63 flows from the bottom opening 63a of the drain hole 63 through the guide surface 71 of the drain base 7 that closes the bottom opening 63a from below, passes through the wall surface opening 63b of the drain hole 63, and passes through the drain base 7. It reaches the continuous connection hole 7a from the guide surface 71.
  • the bottom opening 63a of the drain hole 63 is provided at the lowest height portion of the bottom surface 61, condensed water is efficiently drained from the bottom plate 6 as compared with the case where it is formed only on the wall surface 62 of the bottom plate 6. NS.
  • the heat transfer tube 13a By improving the drainage performance from the bottom plate 6, it is possible to prevent the heat transfer tube 13a from being blocked by freezing of condensed water or damage to the fan due to the growth of freezing, which may occur when the full position is above the bottom surface 61. Will be done.
  • connection hole 7a of the drain base 7 is provided on the rising surface 72 along the wall surface 62 of the bottom plate 6, and the surplus height dimension when the connection hole 7a is compared with the configuration provided on the bottom plate 6 is provided. It can be assigned to the width of the air passage or the number of stages of the heat exchanger. Therefore, the required performance of the air conditioner configured by the outdoor unit 100 is ensured even in an area where the height of the outdoor unit 100 is restricted due to the installation environment.
  • FIG. 9 is an exploded perspective view illustrating the connection between the bottom plate 6, the drain base 7, the socket 8, and the drain hose 9 according to the present embodiment.
  • a drain base 7 is attached to the bottom plate 6, and a drain hose 9 is connected via a socket 8 attached to the drain base 7.
  • the condensed water dropped on the bottom plate 6 is discharged from the drain base 7 to the drain hose 9.
  • the drain base 7 When connecting the drain hose 9, first attach the drain base 7 to the bottom plate 6. Specifically, the guide surface 71 of the drain base 7 is aligned with the bottom surface 61 of the bottom plate 6, and the rising surface 72 is aligned with the wall surface 62. Then, the engaging projection of the guide surface 71 of the drain base 7 is engaged with the engaging hole 61c of the bottom surface 61 of the bottom plate 6. Further, the engaging projection 72a of the rising surface 72 of the drain base 7 is engaged with the engaging hole 62a of the wall surface 62 of the bottom plate 6. When the drain base 7 is attached to the bottom plate 6, the connection hole 7a of the drain base 7 faces the wall surface opening 63b of the drain hole 63 formed in the bottom plate 6.
  • the socket 8 is attached to the connection hole 7a of the drain base 7 attached to the bottom plate 6.
  • the socket 8 has an L-shape that, when attached to the drain base 7, projects in a direction away from the connection hole 7a of the drain base 7 and then bends in a direction along the housing of the outdoor unit 100.
  • the socket 8 is rotatable about the axial direction of the connection hole 7a of the drain base 7.
  • the socket 8 is fitted, for example, by being fitted into the connection hole 7a.
  • the socket is removable from the connection hole 7a.
  • the connection hole 7a of the drain base 7 is located so as to face the wall surface opening 63b of the drainage hole 63 formed in the bottom plate 6. Since the connection hole 7a of the drain base 7 is provided on the rising surface 72, the socket 8 can be easily attached.
  • the drain hose 9 is inserted into the socket 8, and the connection of the drain hose 9 is completed.
  • the depth size of the outdoor unit 100 is reduced, and the installation space of the outdoor unit 100 is reduced. Since the socket 8 is located on the back side where the suction port 2a is provided, the installation work is limited to the suction port 2a side, such as when the outdoor unit 100 is installed close to the window.
  • the drain hose 9 can be attached even in a stable installation environment.
  • the height dimension of the outdoor unit 100 is surplus when the connection hole 7a is compared with the configuration provided on the bottom plate 6. Minutes can be assigned to the width of the air passage or the number of stages of the heat exchanger. As a result, the required performance of the air conditioner configured by the outdoor unit 100 can be ensured even when the height is restricted due to the installation environment.
  • the condensed water flows out from the drain hole 63 formed across the bottom surface 61 and the wall surface 62 of the bottom plate 6, and the drain is attached to the bottom plate 6. It flows through the guide surface 71 of the base 7. The condensed water is guided by the guide surface 71 to the connection hole 7a formed in the rising surface 72. Then, the condensed water is drained toward the drain hose 9 connected to the connection hole 7a. As a result, the drainage property of the outdoor unit 100 is improved, and corrosion due to the retention of drain water can be effectively prevented. Further, by improving the drainage property, it is possible to prevent damage to the heat transfer tube 13a and the propeller fan 14 due to freezing of the condensed water.
  • the condensed water passes through the drain groove 61a recessed below the bottom surface 61 and the drain water pool 61b recessed below the drain groove 61a, and is discharged from the drain hole 63 formed in the drain water pool 61b. Therefore, the condensed water is quickly discharged from the bottom plate 6, and corrosion can be prevented and damage due to freezing can be improved.
  • the drain base 7 in which the connection hole 7a is formed is attached to the back side of the bottom plate 6 located below the suction port 2a, the height dimension surplus of the outdoor unit 100 is used for the air passage width or heat exchange. It can be assigned to the number of stacks. As a result, the required performance of the air conditioner configured by the outdoor unit 100 can be ensured even in an area where height restrictions arise from the installation environment of the outdoor unit 100. Further, even in a special installation environment where the installation work is limited to the suction port 2a side of the outdoor unit 100, such as when the outdoor unit 100 is installed close to the window, the outdoor unit 100 is installed. Is possible.
  • drain base 7 is made of resin, which makes it easy to attach to the bottom plate 6.
  • the drain base 7 is formed with an engaging protrusion and the bottom plate 6 is formed with an engaging hole, it can be easily and firmly attached to the bottom plate 6. ..
  • the guide surface 71 of the drain base 7 and the lower part of the connection hole 7a are flush with each other, and the drainage path from the guide surface 71 of the drain base 7 to the connection hole 7a is downward toward the connection hole 7a. It is inclined to. Therefore, the condensed water does not stay on the guide surface 71 and is smoothly discharged from the connection hole 7a.
  • the socket 8 since the socket 8 is detachable from the connection hole 7a of the drain base 7 and the bending direction can be changed, the socket 8 can be attached / detached from the drain base 7 in the bending direction according to the environment in which the outdoor unit 100 is installed. Can be changed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
PCT/JP2020/015473 2020-04-06 2020-04-06 室外機 Ceased WO2021205499A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2020/015473 WO2021205499A1 (ja) 2020-04-06 2020-04-06 室外機
CN202080099238.8A CN115362334A (zh) 2020-04-06 2020-04-06 室外机
JP2022513708A JP7341325B2 (ja) 2020-04-06 2020-04-06 室外機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/015473 WO2021205499A1 (ja) 2020-04-06 2020-04-06 室外機

Publications (1)

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WO2021205499A1 true WO2021205499A1 (ja) 2021-10-14

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PCT/JP2020/015473 Ceased WO2021205499A1 (ja) 2020-04-06 2020-04-06 室外機

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CN (1) CN115362334A (https=)
WO (1) WO2021205499A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200298698A1 (en) * 2019-03-18 2020-09-24 Kubota Corporation Fuel tank of work vehicle and work vehicle
JP2024052057A (ja) * 2022-09-30 2024-04-11 ダイニチ工業株式会社 燃料電池装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0178828U (https=) * 1987-11-13 1989-05-26
WO2016103448A1 (ja) * 2014-12-26 2016-06-30 三菱電機株式会社 室外機
WO2018025356A1 (ja) * 2016-08-03 2018-02-08 三菱電機株式会社 ドレンパンおよび冷凍サイクル装置
CN207094986U (zh) * 2017-07-31 2018-03-13 广东美的制冷设备有限公司 底盘及空调室外机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015140931A (ja) * 2014-01-27 2015-08-03 日立アプライアンス株式会社 空気調和機の室外機
EP3367008B1 (en) * 2016-07-25 2019-12-25 Mitsubishi Electric Corporation Outdoor unit for air conditioner
CN206449762U (zh) * 2016-12-15 2017-08-29 珠海格力电器股份有限公司 空调装置及其空调室外机底盘排水结构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0178828U (https=) * 1987-11-13 1989-05-26
WO2016103448A1 (ja) * 2014-12-26 2016-06-30 三菱電機株式会社 室外機
WO2018025356A1 (ja) * 2016-08-03 2018-02-08 三菱電機株式会社 ドレンパンおよび冷凍サイクル装置
CN207094986U (zh) * 2017-07-31 2018-03-13 广东美的制冷设备有限公司 底盘及空调室外机

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200298698A1 (en) * 2019-03-18 2020-09-24 Kubota Corporation Fuel tank of work vehicle and work vehicle
US11660955B2 (en) * 2019-03-18 2023-05-30 Kubota Corporation Fuel tank of work vehicle and work vehicle
JP2024052057A (ja) * 2022-09-30 2024-04-11 ダイニチ工業株式会社 燃料電池装置

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CN115362334A (zh) 2022-11-18
JPWO2021205499A1 (https=) 2021-10-14
JP7341325B2 (ja) 2023-09-08

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