WO2021166163A1 - 室内機および冷凍サイクル装置 - Google Patents

室内機および冷凍サイクル装置 Download PDF

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Publication number
WO2021166163A1
WO2021166163A1 PCT/JP2020/006807 JP2020006807W WO2021166163A1 WO 2021166163 A1 WO2021166163 A1 WO 2021166163A1 JP 2020006807 W JP2020006807 W JP 2020006807W WO 2021166163 A1 WO2021166163 A1 WO 2021166163A1
Authority
WO
WIPO (PCT)
Prior art keywords
duct
indoor unit
air outlet
air
fixing portion
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/JP2020/006807
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
好慧 中谷
川村　武志
田澤　哲也
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/JP2020/006807 priority Critical patent/WO2021166163A1/ja
Priority to JP2022501512A priority patent/JP7224523B2/ja
Publication of WO2021166163A1 publication Critical patent/WO2021166163A1/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
    • F24F1/0007—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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F13/20—Casings or covers

Definitions

  • This technology is related to indoor units and refrigeration cycle equipment.
  • it relates to a duct mounting structure of an air conditioner.
  • some air conditioners which are refrigeration cycle devices, are provided with duct outlets on the left and right sides of the air outlet of the indoor unit.
  • the indoor unit can be equipped with a duct for spot air conditioning at the outlet for the duct. If the duct is not connected, the duct outlet is covered with a stainless steel cover.
  • a duct is connected, a part of cold air or hot air is distributed to a duct outlet, guided to the duct, passed through the duct, and blown out to perform spot heating and cooling (for example, Patent Document 1 and Patent Documents). 2).
  • duct outlets for spot ventilation are provided in advance on both the left and right sides of the air outlet.
  • air is not blown out from the duct outlet, so that there is a problem that the air outlet area becomes narrow.
  • the indoor unit includes a blower that blows out air and a housing that houses the blower and has an air outlet for blowing out the air sent from the blower, and the housing covers a part of the air outlet. It has a duct fixing portion mounting portion to which a duct fixing portion for fixing the duct is attached.
  • the housing has a duct fixing portion mounting portion to which a duct fixing portion for fixing the duct is attached by covering a part of the air outlet. Therefore, even if there is no duct outlet, the duct fixing portion can be retrofitted, and the area for blowing air does not need to be narrowed.
  • FIG. 5 is an external perspective view of the indoor unit 100 of the air conditioner 1 according to the first embodiment. It is a figure which shows the internal structure in the indoor unit 100 of the air conditioner 1 which concerns on Embodiment 1.
  • FIG. FIG. 5 is an external perspective view of the indoor unit 100 of the air conditioner 1 according to the first embodiment in a state where the wind direction adjusting device is attached.
  • FIG. 5 is an enlarged view showing a duct fixing portion 6 and the like in the indoor unit 100 of the air conditioner 1 according to the first embodiment. It is a figure which disassembles and shows the wind direction adjustment device in the indoor unit 100 of the air conditioner 1 which concerns on Embodiment 1.
  • FIG. 5 is an enlarged view showing a duct fixing portion 6 and the like in the indoor unit 100 of the air conditioner 1 according to the second embodiment. It is a figure which disassembles and shows the wind direction adjustment device in the indoor unit 100 of the air conditioner 1 which concerns on Embodiment 2.
  • FIG. FIG. 5 is an enlarged view showing a duct fixing portion 6 and the like in the indoor unit 100 of the air conditioner 1 according to the third embodiment. It is a figure which disassembles and shows the wind direction adjustment device in the indoor unit 100 of the air conditioner 1 which concerns on Embodiment 3.
  • FIG. It is a figure which shows the structural example of the air conditioner 1 which concerns on Embodiment 4.
  • the surface from which the indoor unit of the air conditioner blows out air is the front (front), the vertical direction when viewed from the front side is the vertical direction (height direction), and the horizontal direction is the horizontal direction (width direction). ), And the front-back direction is the front-back direction.
  • the high and low pressure and temperature are not fixed in relation to the absolute values, but are relatively fixed in the state and operation of the device and the like. Then, in the drawings, the relationship between the sizes of the constituent members may differ from the actual one.
  • FIG. 1 is an external perspective view of the indoor unit 100 of the air conditioner 1 according to the first embodiment.
  • FIG. 2 is a diagram showing an internal configuration of the air conditioner 1 according to the first embodiment in the indoor unit 100.
  • a ceiling-mounted indoor unit 100 is shown as an example of the indoor unit 100 in the air conditioner 1.
  • the ceiling-mounted indoor unit 100 is installed by being suspended from the ceiling by a wire or the like.
  • the indoor unit 100 has a housing.
  • the housing is composed of a front panel 8, a right panel 9, a left panel 10, a top panel 11, a bottom panel 12, and a rear panel 13.
  • the outer surface of the housing in each panel is a design surface.
  • the indoor unit 100 accommodates the indoor heat exchanger 2 and the indoor blower 3 in the housing.
  • the indoor heat exchanger 2 exchanges heat between the refrigerant and the indoor air to be air-conditioned.
  • the indoor blower 3 passes the indoor air through the indoor heat exchanger 2.
  • the bottom panel 12 of the housing described above has an air suction port 4.
  • the air suction port 4 is an opening portion through which the air around the indoor unit 100 flows into the indoor unit 100.
  • a filter 12a for collecting dust is installed on the upstream side of the air suction port 4. The filter 12a can be freely removed.
  • the front panel 8 of the housing described above has an air outlet 5.
  • the air outlet 5 is an opening portion that blows out the air that has flowed into the indoor unit 100 to the outside of the indoor unit 100.
  • the indoor blower 3 is driven, the indoor air that has passed through the indoor heat exchanger 2 flows out from the air outlet 5.
  • the shape of the air outlet 5 in the first embodiment is assumed to be a rectangular shape in which the left-right direction is the long side direction.
  • the vertical direction is the direction of the short side of the air outlet 5.
  • a flap 15 is installed at the air outlet 5.
  • the flap 15 is a member serving as a wind direction deflecting plate that changes and adjusts the wind direction of the air flowing out from the air outlet 5 in the vertical direction.
  • the central flap support portion 14b is fixed to the front panel 8 with screws (not shown).
  • a plurality of guide vanes 16 are installed between the flap 15 and the indoor heat exchanger 2.
  • the guide vane 16 is a plate-shaped member that changes and adjusts the wind direction of the air flowing out from the air outlet 5 in the left-right direction.
  • the guide vane 16 is held by the guide vane holding component 17.
  • the guide vane holding component 17 is fixed to the housing.
  • the guide vanes 16 installed at both ends in the left-right direction of the air outlet 5 form an angle with respect to the air outlet 5 so that the air blown from the air outlet 5 hits the plate surface. Is fixed.
  • the other guide vanes 16 are connected by a connecting member 19, and the angle can be changed in conjunction with each other to adjust the wind direction.
  • the front panel 8 has a duct fixing portion mounting portion 7. As will be described later, the duct fixing portion 7 is attached with a duct fixing portion 6 for fixing the duct 18 to the indoor unit 100. Matters concerning the duct 18 will be described later.
  • An electric heater 20 serving as a heating device is installed inside the housing of the front panel 8. The electric heater 20 warms the front panel 8 to prevent dew condensation, for example.
  • the indoor blower 3 operates, and the indoor air that has passed through the filter 12a is sucked into the housing of the indoor unit 100 from the air suction port 4. ..
  • the air sucked into the housing is heat-exchanged through the indoor heat exchanger 2 and blown out from the air outlet 5.
  • the air flow is as shown by the arrow shown in FIG.
  • FIG. 3 is an external perspective view of the air conditioner 1 according to the first embodiment in a state where the wind direction adjusting device is attached to the indoor unit 100.
  • FIG. 4 is an enlarged view showing a duct fixing portion 6 and the like in the indoor unit 100 of the air conditioner 1 according to the first embodiment.
  • FIG. 5 is an exploded view showing the wind direction adjusting device in the indoor unit 100 of the air conditioner 1 according to the first embodiment.
  • FIGS. 4 and 5 show the wind direction adjusting devices attached to the left and right sides of the indoor unit 100 when the indoor unit 100 is viewed facing the front panel 8. Shown. The shape of the wind direction adjusting device attached to the right side is the same.
  • the indoor unit 100 of the first embodiment can be equipped with a wind direction adjusting device having a duct 18 for spot air conditioning.
  • the wind direction adjusting device includes a duct fixing portion 6 and a duct 18.
  • the duct 18 is a flexible bellows tubular member.
  • the duct 18 passes the air blown out from the air outlet 5 through the cylinder and sends it to a specific position.
  • the duct fixing portion 6 is an installation tool for fixing the duct 18 to the indoor unit 100. As shown in FIG. 4, the duct fixing portion 6 is fixed to the duct fixing portion mounting portion 7 with screws. Then, the duct 18 is fixed to the duct fixing portion 6 with a screw.
  • the duct fixing portion 6 has a flat plate portion 6a on which the opening 6b and the duct mounting portion 6c are formed.
  • the flat plate portion 6a has a width wider than the width of the lower space on the short side side of the air outlet 5, and closes a part of the air outlet 5.
  • the opening 6b is a through hole for communicating the duct 18 attached to the flat plate portion 6a and the air outlet 5.
  • the duct mounting portion 6c is a screw hole into which a screw for fixing the duct 18 is screwed into the duct fixing portion 6.
  • the duct fixing portion mounting portion 7 included in the front panel 8 described above is a screw hole when the flat plate portion 6a of the duct fixing portion 6 closes a part of the air outlet 5 and is fixed with a screw.
  • the duct fixing portion mounting portion 7 is provided on the front panel 8 corresponding to the end portion in the left-right direction of the air outlet 5.
  • the duct 18 has a duct flange portion 18a at one end thereof. The duct 18 is attached to the flat plate portion 6a by grounding the flat plate portion 6a and the duct flange portion 18a and fixing the duct flange portion 18a to the duct mounting portion 6c with screws.
  • the duct fixing portion mounting portion 7 is arranged so that the screws attached through the duct fixing portion mounting portion 7 do not come into contact with the electric heater 20 described above. Further, as shown in FIGS. 3, 4 and 5, the duct fixing portion mounting portion 7 is arranged corresponding to the screw holes at the four corners of the flat plate portion 6a.
  • the indoor unit 100 of the first embodiment corresponds to the position of the duct fixing portion mounting portion 7 installed on the center side of the duct fixing portion mounting portions 7 installed on the front panel 8 in the left-right direction.
  • the rectifying component 21 is attached between the upper plate portion 15a and the lower plate portion 15b of the flap 15.
  • the rectifying component 21 is a partition plate that closes and partitions the gap between the upper plate portion 15a and the lower plate portion 15b of the flap 15 at the attached position.
  • the rectifying component 21 causes the air blocked by the duct fixing portion 6 to flow to the opening 6b of the duct fixing portion 6 instead of the central side of the air outlet 5 in the air blown out from the air outlet 5.
  • the rectifying component 21 has a middle plate portion 21a and ribs 21b and ribs 21c.
  • the middle plate portion 21a is a plate-shaped member having a length substantially equal to the length of the flap 15 in the depth direction.
  • the ribs 21b are installed above and below the middle plate portion 21a to reinforce the middle plate portion 21a. Further, the rib 21c holds the positional relationship between the flap 15 and the rectifying component 21 at both ends of the rib 21b in the depth direction of the air outlet 5.
  • the indoor unit 100 of the first embodiment has the duct fixing portion mounting portion 7 around the air outlet 5, and covers a part of the air outlet 5 to fix the duct 18. 6 can be retrofitted. Therefore, it is not necessary to install a fixture such as a cover for fixing the duct 18 constituting the wind direction adjusting device to the indoor unit 100 in advance, and even if the duct 18 is not connected, the air outlet The area related to the blowout of 5 does not become small. Therefore, it is not necessary to reduce the amount of air blown out by the indoor unit 100, and the air conditioning performance can be fully exhibited. Further, when the duct 18 is not connected, it is not necessary to attach a fixture, so that the design of the indoor unit 100 is not impaired.
  • the number of parts and the number of mounting steps related to the fixture installation can be reduced, and the cost can be reduced.
  • those provided at the left and right ends of the air outlet 5 are fixed at an angle to the air outlet 5 to prevent air leakage and efficiently reach the opening 6b. Can send air to. Further, by attaching the rectifying component 21 to the flap 15, the air from the air outlet 5 flowing through the duct fixing portion 6 can efficiently pass through the opening 6b.
  • the duct fixing portion mounting portion 7 is not limited to the position shown in the figure. It can be freely installed as long as the screw can fix the duct fixing portion 6 without contacting the electric heater 20. Further, the duct fixing portion 6 is not limited to the shape shown in the figure. For example, the shape may be such that the length can be changed in the left-right direction. Further, it may have a different shape other than a quadrangle.
  • the duct fixing portion 6 may have a structure in which the duct 18 can be attached, can be fixed to the duct fixing portion attaching portion 7 with screws, and air from the air outlet 5 can be sent to the opening 6b. ..
  • the wind direction adjusting device attached to the air conditioner 1 has a duct fixing portion 6 and a duct 18.
  • the duct 18 has a duct flange portion 18a, and the duct flange portion 18a is screw-fixed to the duct mounting portion 6c of the duct fixing portion 6.
  • the indoor unit 100 of the second embodiment describes a case where the duct 18 does not have the duct flange portion 18a.
  • FIG. 6 is an enlarged view of a duct fixing portion 6 and the like in the indoor unit 100 of the air conditioner 1 according to the second embodiment.
  • FIG. 7 is an exploded view showing the wind direction adjusting device in the indoor unit 100 of the air conditioner 1 according to the second embodiment.
  • those having the same reference numerals as those in FIGS. 4 and 5 have the same functions as those described in the first embodiment.
  • the wind direction adjusting device of the second embodiment includes a flange component 22.
  • the flange component 22 is a component that mediates the connection between the flat plate portion 6a and the duct 18.
  • the flange component 22 has a tubular plate portion 22a and a plurality of screw hole plate portions 22b.
  • the tubular plate portion 22a serves as a connecting portion for connecting to the duct 18.
  • the screw hole plate portion 22b is installed at a position corresponding to the position of the duct mounting portion 6c of the duct fixing portion 6.
  • the screw hole plate portions 22b are installed at four locations.
  • the screw hole plate portion 22b of the flange component 22 is fixed to the duct mounting portion 6c of the duct fixing portion 6 with screws. Further, the duct 18 is put on the tubular plate portion 22a and tightened with the fixing band 23 from above to fix the duct 18 to the duct fixing portion 6. As a result, the wind direction adjusting device is installed in the indoor unit 100.
  • the flange component 22 is provided separately from the duct 18.
  • the duct 18 is fixed to the duct fixing portion 6 via the flange component 22. Therefore, the duct 18 having no flange shape can also be attached to the duct fixing portion 6. Therefore, various types of ducts 18 can be selected and attached according to the application, environment, and the like.
  • the screw hole plate portion 22b is not limited to the shape shown in the figure. It may be a screw hole plate portion 22b in which four places are integrated. Further, each screw hole plate portion 22b may have a different shape.
  • the screw hole plate portion 22b may have a structure in which the flange component 22 can be screw-fixed to the duct mounting portion 6c and the duct 18 can be fixed by the fixing band 23.
  • the duct fixing portion 6 has a flat plate portion 6a and an opening 6b.
  • a case where a flange portion into which one end of the duct 18 is inserted is installed in the flat plate portion 6a of the duct fixing portion 6 will be described.
  • two flaps 15 are installed side by side in the left-right direction of the air outlet 5, and are supported by the outer flap support portion 14a and the central flap support portion 14b.
  • one flap 15 is installed in the left-right direction of the air outlet 5, and is supported by the flat plate flap support portion 24b of the duct fixing portion 6.
  • FIG. 8 is an enlarged view of a duct fixing portion 6 and the like in the indoor unit 100 of the air conditioner 1 according to the third embodiment.
  • FIG. 9 is an exploded view showing the wind direction adjusting device in the indoor unit 100 of the air conditioner 1 according to the third embodiment.
  • those having the same reference numerals as those in FIGS. 4, 5, 6 and 7, have the same functions as those described in the first and second embodiments. ..
  • the duct fixing portion 6 in the third embodiment has a flat plate flange portion 24a on the flat plate portion 6a in accordance with the position of the opening 6b.
  • the flat plate flange portion 24a is a flange for inserting one end of the duct 18.
  • the duct 18 is put on the flat plate flange portion 24a and tightened with the fixing band 23 from above to fix the duct 18 to the duct fixing portion 6.
  • the duct fixing portion 6 has a flat plate flap support portion 24b on the flat plate portion 6a.
  • the flat plate flap support portion 24b is installed at one end of a side of the flat plate portion 6a parallel to the vertical direction of the air outlet 5, and supports the end portion of the flap 15.
  • the duct fixing portion 6 is fixed to the duct fixing portion mounting portion 7 with screws so that the flat plate flap supporting portion 24b is located at the air outlet 5.
  • the central flap support portion 14b is fixed to the front panel 8 with screws, the central flap support portion 14b is removed so that both ends of the flap 15 are attached to the flat plate flap support portion 24b. ..
  • the flat plate portion 6a of the duct fixing portion 6 has a flat plate flange portion 24a aligned with the position of the opening 6b. Therefore, the duct 18 having no flange shape can be attached to the duct fixing portion 6 without increasing the number of parts. Therefore, various types of ducts 18 can be selected and attached according to the application, environment, and the like.
  • the duct fixing portion 6 of the third embodiment has a flat plate flap support portion 24b on the flat plate portion 6a. Then, one flap 15 can be supported by the duct fixing portions 6 attached to both the left and right ends. And there is no flap 15 on the flow path of the air sent to the duct fixing portion 6. Therefore, when the duct 18 is attached, the entire flap 15 can be exposed from the air outlet 5, and an operator or the like can easily perform cleaning maintenance such as dirt. In addition, the design of the indoor unit 100 can be improved. Then, in the third embodiment, the flap 15 is installed closer to the center than the position where the duct fixing portion 6 is fixed. Therefore, the air sent to the opening 6b is not affected by the flow driven by the flap 15, and the air blowing efficiency to the duct 18 can be improved.
  • FIG. 10 is a diagram showing a configuration example of the air conditioner 1 according to the fourth embodiment.
  • FIG. 10 shows the air conditioner 1 as an example of the refrigeration cycle device.
  • the same operation is performed with respect to the one described in FIG. 1 and the like.
  • the outdoor unit (outdoor unit) 200 and the indoor unit (indoor unit) 100 described in the first to third embodiments are connected by a refrigerant pipe 300 to form a refrigerant circuit.
  • 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 and discharges the sucked refrigerant.
  • the compressor 210 changes the capacity of the compressor 210 (the amount of refrigerant delivered per unit time) by arbitrarily changing the operating frequency by, for example, an inverter circuit or the like. It may be something to do.
  • the four-way valve 220 is, for example, a valve that switches the flow of the refrigerant between a cooling operation and a heating operation.
  • the outdoor heat exchanger 230 exchanges heat between the refrigerant and the outdoor air. For example, it functions as an evaporator during heating operation to evaporate and vaporize the refrigerant. In addition, it functions as a condenser during cooling operation to condense and liquefy the refrigerant.
  • the expansion valve 240 which serves as a flow rate control device and a throttle device, decompresses and expands the refrigerant.
  • the expansion valve 240 is, for example, an electronic expansion valve
  • the opening degree is adjusted based on an instruction from a control device (not shown) or the like.
  • the outdoor blower 250 sends outdoor air to the outdoor heat exchanger 230 to promote heat exchange in the outdoor heat exchanger 230.
  • the indoor heat exchanger 2 described in the first to third embodiments functions as a condenser during the heating operation to condense and liquefy the refrigerant. Then, the indoor heat exchanger 2 heats the indoor air to heat it. In addition, it functions as an evaporator during cooling operation to evaporate and vaporize the refrigerant. Then, the indoor heat exchanger 2 cools and cools the indoor air.
  • the heating operation and the cooling operation can be realized by switching the flow of the refrigerant by the four-way valve 220 of the outdoor unit 200.
  • the air conditioner 1 has been described as an example of the refrigeration cycle device, but the present invention is not limited to this.
  • it can be applied to other refrigerating cycle devices such as refrigerating devices or refrigerating devices.
  • it can be applied not only to a refrigeration cycle device but also to a blower or a ventilation device in which the indoor heat exchanger 2 is not housed in the housing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Duct Arrangements (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
PCT/JP2020/006807 2020-02-20 2020-02-20 室内機および冷凍サイクル装置 Ceased WO2021166163A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2020/006807 WO2021166163A1 (ja) 2020-02-20 2020-02-20 室内機および冷凍サイクル装置
JP2022501512A JP7224523B2 (ja) 2020-02-20 2020-02-20 室内機および冷凍サイクル装置

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Application Number Priority Date Filing Date Title
PCT/JP2020/006807 WO2021166163A1 (ja) 2020-02-20 2020-02-20 室内機および冷凍サイクル装置

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56168734A (en) * 1980-05-30 1981-12-25 Mochida Pharm Co Ltd Ultrasonic diagnosing device
JPH0241036A (ja) * 1988-07-31 1990-02-09 Kenwood Corp 無線機
JPH09170782A (ja) * 1997-01-22 1997-06-30 Sanyo Electric Co Ltd 空気調和機
JPH11257727A (ja) * 1998-03-07 1999-09-24 Yoichi Tanabe 足元吹出口の付いた延長ダクトの着脱可能な壁掛型ルームエアコン
JP2013053796A (ja) * 2011-09-02 2013-03-21 Panasonic Corp 空気調和機
JP2016099034A (ja) * 2014-11-19 2016-05-30 三菱重工業株式会社 空気調和装置、空気調和装置の調整方法及び空気調和設備の製造方法
US20160176263A1 (en) * 2014-07-01 2016-06-23 David Hutchison Air conditioning system for tractor trailers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036829Y2 (ja) * 1980-05-15 1985-11-01 ダイキン工業株式会社 局所冷房用吹出装置
JPH0241036U (https=) * 1988-09-08 1990-03-20

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56168734A (en) * 1980-05-30 1981-12-25 Mochida Pharm Co Ltd Ultrasonic diagnosing device
JPH0241036A (ja) * 1988-07-31 1990-02-09 Kenwood Corp 無線機
JPH09170782A (ja) * 1997-01-22 1997-06-30 Sanyo Electric Co Ltd 空気調和機
JPH11257727A (ja) * 1998-03-07 1999-09-24 Yoichi Tanabe 足元吹出口の付いた延長ダクトの着脱可能な壁掛型ルームエアコン
JP2013053796A (ja) * 2011-09-02 2013-03-21 Panasonic Corp 空気調和機
US20160176263A1 (en) * 2014-07-01 2016-06-23 David Hutchison Air conditioning system for tractor trailers
JP2016099034A (ja) * 2014-11-19 2016-05-30 三菱重工業株式会社 空気調和装置、空気調和装置の調整方法及び空気調和設備の製造方法

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