WO2020170424A1 - Module extérieur et climatiseur équipé de celui-ci - Google Patents

Module extérieur et climatiseur équipé de celui-ci Download PDF

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Publication number
WO2020170424A1
WO2020170424A1 PCT/JP2019/006785 JP2019006785W WO2020170424A1 WO 2020170424 A1 WO2020170424 A1 WO 2020170424A1 JP 2019006785 W JP2019006785 W JP 2019006785W WO 2020170424 A1 WO2020170424 A1 WO 2020170424A1
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WO
WIPO (PCT)
Prior art keywords
outdoor unit
compressor
soundproof material
air conditioner
cutout
Prior art date
Application number
PCT/JP2019/006785
Other languages
English (en)
Japanese (ja)
Inventor
裕一 穐山
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2019/006785 priority Critical patent/WO2020170424A1/fr
Priority to JP2021501256A priority patent/JP7146058B2/ja
Priority to CN201990000251.6U priority patent/CN212299210U/zh
Publication of WO2020170424A1 publication Critical patent/WO2020170424A1/fr

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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
    • F24F1/26—Refrigerant piping
    • F24F1/30—Refrigerant piping for use inside the separate outdoor units

Definitions

  • the present invention relates to an outdoor unit and an air conditioner including the outdoor unit, and particularly to a technology for reducing noise in the outdoor unit.
  • a noise prevention device has been disclosed as a technique for improving the soundproofing performance of an outdoor unit of an air conditioner (for example, see Patent Document 1).
  • the soundproofing material is arranged so as to surround the compressor, which is a noise source.
  • This soundproof material is made of rubber with high rigidity that has soundproofing and sound insulation effects, and a second member provided on the outside, and a first member provided with felt having low rigidity that has a sound absorption effect and provided on the inside. It is composed of. Further, the soundproof material is provided with a hole for passing a pipe connected to the compressor.
  • Patent Document 1 since the pipe connected to the compressor is passed through the hole formed in the soundproof material and the entire outer circumference of the pipe is covered with the soundproof material, there is a problem that it is difficult to attach the soundproof material. It was Also, it is necessary to install and remove the soundproofing material during maintenance of the compressor, etc., but since the structure is such that the pipes are passed through the holes of the soundproofing material, it is difficult to install and remove the soundproofing material and serviceability is improved. There was a problem of decrease.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide an outdoor unit having improved serviceability and an air conditioner including the same while suppressing deterioration in soundproof performance. I am trying.
  • An outdoor unit comprises a compressor and a soundproof material covering the compressor, the soundproof material being a second member provided on the outside and the second member provided on the inside of the second member.
  • a first member having a rigidity lower than that of two members, and is formed by cutting out a part of the lower end of the side surface portion that covers the side surface of the compressor, and a pipe connected to the compressor passes through. In the cutout portion, the cutout area of the first member is narrower than the cutout area of the second member.
  • the air conditioner according to the present invention includes the above outdoor unit and indoor unit.
  • the soundproof material is formed by cutting out a part of the lower end of the side surface portion, and a cut for passage of the pipe connected to the compressor. It has a notch. Therefore, when installing the soundproofing material, it is sufficient to cover it with the soundproofing material from above the compressor, and when removing the soundproofing material, simply lift it up. As a result, the serviceability of the outdoor unit and the air conditioner including the outdoor unit can be improved. Further, in the cutout portion, the cutout range of the first member is narrower than the cutout range of the second member.
  • FIG. 1 is a perspective view showing an example of an external configuration of an outdoor unit 100 for an air conditioner according to Embodiment 1 of the present invention.
  • the outdoor unit 100 of the air conditioner includes a housing 100a forming an outer shell.
  • the housing 100a includes a top panel 101 provided on the top surface, a base 102 provided on the bottom surface, a front panel 103 provided on the front surface, and a right side panel provided on the right side surface. 105 and a cover panel 108, and a left side surface panel 106 provided on the left side surface.
  • the housing 100a includes a service panel 104 and a cover panel 107 provided from the front surface to the right side surface. Further, the housing 100a is provided with a handle 109 used when the outdoor unit 100 is transported.
  • the air conditioner according to Embodiment 1 of the present invention includes one outdoor unit 100 and two indoor units 200 (200A, 200B).
  • the number of outdoor units 100 and indoor units 200 included in the air conditioner is not limited to the above.
  • the outdoor unit 100 includes a compressor 1, a flow path switching valve 2, an outdoor heat exchanger 3, an accumulator 13, an outdoor expansion valve 14, stationary valves 4 and 5, a high pressure sensor 11, a low pressure sensor 12, an outside air temperature sensor. 8, an outdoor temperature sensor 9, an outdoor unit fan 6, a fan motor 7, and a controller 20 are provided.
  • the indoor unit 200A is provided with an indoor heat exchanger 30, an indoor expansion valve 31, refrigerant temperature sensors 32 to 33, and an inlet temperature sensor 34.
  • the indoor unit 200B is provided with an indoor heat exchanger 40, an indoor expansion valve 41, refrigerant temperature sensors 42 to 43, and an inlet temperature sensor 44.
  • the air conditioner according to the first embodiment includes a compressor 1, a flow path switching valve 2, an outdoor heat exchanger 3, an outdoor expansion valve 14, indoor expansion valves 31, 41, indoor heat exchangers 30, 40,
  • the accumulator 13 is sequentially connected by pipes and includes a refrigerant circuit in which a refrigerant circulates.
  • the compressor 1 sucks a refrigerant and compresses the refrigerant to a high temperature/high pressure state.
  • the compressor 1 is not particularly limited as long as it can compress the sucked refrigerant into a high pressure state.
  • various types such as a reciprocating machine, a rotary machine, a scroll machine or a screw machine can be used.
  • the flow path switching valve 2 is, for example, a four-way valve, and is a flow path switching device for switching the flow direction of the refrigerant.
  • a flow path switching device a combination of a two-way valve and a three-way valve may be used instead of the four-way valve.
  • the outdoor heat exchanger 3 and the indoor heat exchangers 30 and 40 function as an evaporator or a condenser, exchange heat between air and a refrigerant, and evaporate the refrigerant into a condensed gas or a condensed liquid.
  • the outdoor expansion valve 14 and the indoor expansion valves 31, 41 are for decompressing and expanding the refrigerant.
  • the outdoor expansion valve 14 and the indoor expansion valves 31, 41 are, for example, electronic expansion valves whose opening can be variably controlled and precise flow rate control can be performed.
  • the outdoor unit fan 6 is driven to rotate by a fan motor 7 and supplies air to the outdoor heat exchanger 3.
  • the stationary valves 4 and 5 allow the refrigerant flowing through the pipes to pass or be blocked by opening and closing.
  • the outside air temperature sensor 8 detects the outside air temperature.
  • the outdoor temperature sensor 9 detects the temperature of the refrigerant flowing through the outdoor heat exchanger 3.
  • the refrigerant temperature sensors 32 to 33 and 43 to 44 detect the temperature of the refrigerant flowing through the indoor heat exchangers 30 and 40.
  • the inlet temperature sensors 34 and 44 detect the temperature of the refrigerant flowing on the inlet side of the indoor heat exchangers 30 and 40.
  • the high pressure sensor 11 detects the pressure of the high pressure refrigerant discharged from the compressor 1.
  • the low-pressure pressure sensor 12 detects the pressure of the low-pressure refrigerant drawn into the compressor 1.
  • the accumulator 13 is arranged on the suction side of the compressor 1 and stores excess refrigerant.
  • the control device 20 is configured by, for example, a dedicated hardware or a CPU (Central Processing Unit, central processing unit, processing device, arithmetic device, microprocessor, processor) that executes a program stored in a memory. ..
  • a CPU Central Processing Unit, central processing unit, processing device, arithmetic device, microprocessor, processor
  • the control device 20 controls the operation of various actuators such as the drive frequency of the compressor 1, the rotation speed of the outdoor unit fan 6, the switching of the flow path switching valve 2, the opening of each expansion valve, and the like. Further, the control device 20 calculates SC (subcool) and SH (superheat) based on the values of the respective sensors, and carries out a calculation for predicting a temperature change of the refrigerant. Then, the control device 20 determines the opening degree and control interval of each expansion valve, the target value of the temperature of the refrigerant, and the like on the basis of the predicted value of the temperature change of the refrigerant, and various values are set so that the target value can be achieved. Control the actuator.
  • SC subcool
  • SH superheat
  • a liquid, a gas, or a solid that carries heat such as R410, R32, water, and CO 2 .
  • various types of air conditioning systems are connected to the outdoor unit 100 and the indoor unit 200.
  • FIG. 3 is a perspective view showing a part of the internal configuration of the outdoor unit 100 of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • a separator 110 is provided inside the housing 100 a of the outdoor unit 100.
  • the interior of the housing 100a is separated by the separator 110 into a blower room 100b that houses the outdoor heat exchanger 3, the outdoor unit fan 6, and the like, and a machine room 100c that houses the compressor 1 and the like.
  • FIG. 4 is a schematic cross-sectional view showing the soundproof material 300 used in the outdoor unit 100 of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • FIG. 5 is a side surface schematic diagram which shows the soundproofing material 300 used for the outdoor unit 100 of the air conditioner which concerns on Embodiment 1 of this invention.
  • the compressor 1 housed in the machine room 100c of the housing 100a is covered with a soundproof material 300 in order to reduce noise.
  • the soundproof material 300 has, for example, a cylindrical shape.
  • the soundproof material 300 is made of rubber or the like having a high rigidity that has a soundproofing and sound insulating effect, and is made of a second member 320 provided on the outer side and a felt having a low rigidity that has a sound absorbing effect, and is provided on the inner side. And the first member 310. That is, the soundproof material 300 has a two-layer structure in which the first member 310 having a lower rigidity than the second member 320 is provided inside the second member 320.
  • the soundproof material 300 is composed of a side surface portion 300 a that covers the side surface of the compressor 1 and an upper surface portion 300 b that covers the upper surface of the compressor 1.
  • a pipe 1a is connected to the compressor 1 arranged in the soundproofing material 300, and in order to connect the pipe 1a with other parts outside the soundproofing material 300, the piping 1a is connected to the compressor 1 shown in FIGS.
  • a cutout portion 401 is provided in a part of the soundproof material 300.
  • the cutout portion 401 is formed by cutting out a part of the lower end of the side surface portion 300a in a rectangular shape, and the pipe 1a of the compressor 1 passes through the cutout portion 401 and outside the soundproof material 300. Connected to other parts in.
  • the cutout portion 401 is formed at a position and a size that do not come into contact with the pipe 1a of the compressor 1, but the cutout portion 401 may be formed due to variations in assembly of the soundproof material 300, deterioration of the soundproof material 300 over time, or the like. May come into contact with the pipe 1a of the compressor 1. Therefore, in the cutout portion 401, the cutout range of the first member 310 is narrower than the cutout range of the second member 320. Then, as shown in FIG. 5, the first member 310 protrudes from each side of the cutout portion 401 and is exposed to the outside.
  • the cutout portion 401 by making the cutout range of the first member 310 narrower than the cutout range of the second member 320, even if the cutout portion 401 comes into contact with the pipe 1a of the compressor 1. , Only the first member 310 having low rigidity contacts. Therefore, the vibration of the compressor 1 can be prevented from being absorbed by the first member 310 and being transmitted to the soundproof material 300. That is, since the vibration propagation of the compressor 1 can be reduced, the soundproof performance can be improved.
  • FIG. 6 is a diagram showing the relationship between the frequency ratio and the response magnification.
  • the horizontal axis of FIG. 6 represents the frequency ratio [ ⁇ / ⁇ n ] and the vertical axis represents the response magnification, that is, the magnitude of the amplitude.
  • the notch 401 is provided at a part of the lower end of the side surface portion 300a of the soundproof material 300, the soundproof material 300 is compressed when the soundproof material 300 is attached. All you have to do is cover it from above the machine 1. Further, when removing the soundproof material 300, it suffices to lift the soundproof material 300 upward. As a result, the serviceability of the outdoor unit 100 and the air conditioner including the outdoor unit 100 can be improved.
  • the cutout portion 401 is formed by cutting a part of the lower end of the side surface portion 300a into a rectangular shape, but the shape is not limited thereto, and any shape is possible. It may be cut out.
  • each side of the second member 320 may be configured to be covered with the first member 310.
  • the second member 320 having high rigidity is compressed by the compressor. The contact with the first pipe 1a can be more reliably prevented.
  • the outdoor unit 100 includes the compressor 1 and the soundproof material 300 that covers the compressor 1.
  • the soundproof material 300 includes a second member 320 provided outside and a first member 310 provided inside the second member 320 and having a rigidity lower than that of the second member 320.
  • the soundproof material 300 is formed by cutting out a part of the lower end of the side surface portion 300 a that covers the side surface of the compressor 1, and has a cutout portion 401 through which the pipe 1 a connected to the compressor 1 passes. doing. Then, in the cutout portion 401, the cutout range of the first member 310 is narrower than the cutout range of the second member 320.
  • the air conditioner according to Embodiment 1 includes the outdoor unit 100 and the indoor unit 200 described above.
  • the soundproofing material 300 is formed by cutting out a part of the lower end of the side surface portion 300a and is connected to the compressor 1. It has a notch 401 for passing the pipe 1a. Therefore, when the soundproof material 300 is attached, the soundproof material 300 only needs to be covered from above the compressor 1, and when the soundproof material 300 is removed, the soundproof material 300 need only be lifted up. As a result, the serviceability of the outdoor unit 100 and the air conditioner including the outdoor unit 100 can be improved. Further, in the cutout portion 401, the cutout range of the first member 310 is narrower than the cutout range of the second member 320.
  • Embodiment 2 the second embodiment of the present invention will be described, but the description of the same parts as those of the first embodiment will be omitted, and the same or corresponding parts as those of the first embodiment will be designated by the same reference numerals.
  • FIG. 7 is a schematic diagram which shows the soundproofing material 300 used for the outdoor unit 100 of the air conditioner which concerns on Embodiment 2 of this invention.
  • the soundproofing material 300 according to the second embodiment has a third member 311 that covers the cutout portion 401, and the third member 311 has a cross-shaped slit through which the pipe 1a passes. 312 is formed.
  • the third member 311 is made of felt or the like having a sound absorbing effect and low rigidity.
  • the third member 311 may have a configuration in which it is connected to the first member 310 as a separate body, or may be integrally molded with the first member 310.
  • the soundproofing material 300 according to the second embodiment can improve the serviceability of the outdoor unit 100 and the air conditioner including the outdoor unit 100 and enhance the sound insulation effect.
  • the cross-shaped slit 312 is formed in the third member 311.
  • the shape of the slit 312 is not limited to that. Any shape may be used as long as it is covered.
  • the second member 320 having high rigidity can be used.
  • the contact with the first pipe 1a can be more reliably prevented.
  • the third member 311 has a rounded shape such as a semicircular shape having an arc shape on the upper side, or the third member 311 has a thickness that makes it easy to bend, so that the second member 320 and the compressor 1 are provided. It becomes difficult to make direct contact with the pipe 1a, and it is possible to prevent them from contacting each other.
  • the third member 311 may be directly provided in the pipe 1a of the compressor 1.
  • the cutout portion 401 is covered with the third member 311 having lower rigidity than the second member 320, and the pipe 1a passes through the third member 311.
  • a slit 312 for forming is formed.
  • the cutout portion 401 is covered with the third member 311 having the slit 312 through which the pipe 1a passes. Therefore, the opening area of the notch 401 of the soundproofing material 300 is reduced, and it is possible to prevent noise from leaking from the opening.
  • the soundproofing material 300 according to the second embodiment can improve the serviceability of the outdoor unit 100 and the air conditioner including the outdoor unit 100 and enhance the sound insulation effect.
  • a margin I is provided between the upper end of the slit 312 and the upper end of the cutout portion 401.
  • the margin I is provided between the upper end of the slit 312 and the upper end of the notch 401, so that the second member 320 having high rigidity is provided in the compressor 1.
  • the contact with the pipe 1a can be prevented more reliably.
  • Embodiment 3 Hereinafter, the third embodiment of the present invention will be described, but the description of the same parts as those of the first and second embodiments will be omitted, and the same parts or corresponding parts as those of the first and second embodiments will be designated by the same reference numerals. ..
  • FIG. 8 is a schematic diagram which shows the soundproofing material 300 used for the outdoor unit 100 of the air conditioner which concerns on Embodiment 3 of this invention.
  • the notch 401 is provided with the third member 311 in which a plurality of slits 312 having a cross shape or the like are formed.
  • the plurality of slits 312 are formed at positions displaced in the horizontal direction, the vertical direction, or the horizontal direction and the vertical direction, respectively, and different pipes 1 a can pass through the respective slits 312.
  • the third member 311 is made of felt or the like having a sound absorbing effect and low rigidity.
  • the third member 311 may have a configuration in which it is connected to the first member 310 as a separate body, or may be integrally molded with the first member 310.
  • the plurality of slits 312 are formed in one cutout portion 401.
  • the pipe 1a can be passed through.
  • a plurality of cutouts 401 may be provided, and a third member 311 having a slit 312 formed in each cutout 401 may be provided. By doing so, even when the plurality of pipes 1a are arranged at positions distant from each other, each pipe 1a can be passed through the cutout portion 401.
  • a slit 312 connected in the vertical direction is formed.
  • the slits 312 connected in the horizontal direction are formed. It should be noted that although the plurality of pipes 1a are arranged close to each other, if the pipes 1a are displaced in the horizontal direction or the vertical direction, slits 312 may be provided in accordance with the positions of the respective pipes 1a, or the pipe diameters of the plurality of pipes 1a may be different. If different, the size of the slit 312 is changed according to the tube diameter.
  • the slit 312 having a cross shape or the like is formed in the third member 311.
  • the shape of the slit 312 is not limited to that. Any shape may be used as long as it is covered from above.
  • the third member 311 is formed with a plurality of slits 312 through which different pipes 1a pass.
  • the outdoor unit 100 of the third embodiment since the plurality of slits 312 are formed in the third member 311, even when the plurality of pipes 1a connected to the compressor 1 are arranged at positions close to each other. A plurality of pipes 1a can be passed through one cutout portion 401.
  • the soundproof material 300 has a plurality of cutouts 401.
  • each pipe 1a can be passed through the cutout portion 401 even when the plurality of pipes 1a are arranged at positions distant from each other.
  • FIG. 9 is a cross-sectional schematic diagram which shows the soundproof material 300 used for the outdoor unit 100 of the air conditioner which concerns on Embodiment 4 of this invention.
  • the fourth member 402 is provided on a part of the outer surface of the second member 320.
  • the fourth member 402 is made of felt or the like having a sound absorbing effect and low rigidity.
  • the fourth member 402 is provided at a position where the pipe 1a connected to the compressor 1 or another structure such as the separator 110 may come into contact with the second member 320.
  • the fourth member 402 By thus providing the fourth member 402 on a part of the outer surface of the second member 320, it is possible to avoid the pipe 1a or another structure from directly contacting the second member 320. Further, even if the pipe 1a or other structure comes into contact with the soundproof material 300, it comes into contact with the fourth member 402 having a rigidity lower than that of the second member 320, so that the vibration of the compressor 1 propagates to them. It becomes difficult and the soundproof effect can be enhanced.
  • the fourth member 402 having lower rigidity than the second member 320 is provided on at least a part of the outer surface of the second member 320 of the soundproof material 300.
  • the fourth member 402 which has lower rigidity than the second member 320, is provided on at least a part of the outer surface of the second member 320 of the soundproof material 300. Therefore, it is possible to avoid the pipe 1a or other structures from directly contacting the second member 320. Further, even if the pipe 1a or other structure comes into contact with the soundproof material 300, it comes into contact with the fourth member 402 having a rigidity lower than that of the second member 320, so that the vibration of the compressor 1 propagates to them. It becomes difficult and the soundproof effect can be enhanced.
  • Embodiment 5 the fifth embodiment of the present invention will be described. However, the description of the same parts as those of the first to fourth embodiments will be omitted, and the same or corresponding parts to those of the first to fourth embodiments will be designated by the same reference numerals. ..
  • FIG. 10 is a schematic cross-sectional view showing a soundproof material 300 used in the outdoor unit 100 of the air conditioner according to Embodiment 5 of the present invention.
  • FIG. 11 is the schematic diagram which planarly viewed the soundproof material 300 used for the outdoor unit 100 of the air conditioner which concerns on Embodiment 5 of this invention.
  • a slit 403 is formed on a part of the outer surface of the second member 320.
  • the slit 403 is formed at a position where the pipe 1 a or other structure connected to the compressor 1 is likely to come into contact with the second member 320.
  • the rigidity of the portion of the second member 320 where the slit 403 is formed becomes low. Therefore, the deformation of the second member 320 when the pipe 1a or another structure contacts the second member 320 can be increased. Then, by doing so, the vibration of the compressor 1 is less likely to propagate to them, and the soundproof effect can be enhanced. Further, since no additional member is required, the soundproof effect can be enhanced at low cost.
  • the slits 403 are provided at two places, but it is not limited to that and may be one place or three or more places.
  • the shape of the slit 403 may be any shape, such as a linear shape, as long as the deformation of the second member 320 when the pipe 1a or other structure comes into contact with the second member 320 can be increased.
  • the length of the slit 403 any length may be used as long as it can increase the deformation of the second member 320 when coming into contact with the second member 320.
  • the slit 403 is formed on at least a part of the outer surface of the second member 320 of the soundproof material 300.
  • the slit 403 is formed on a part of the outer surface of the second member 320. Therefore, the deformation of the second member 320 when the pipe 1a or another structure contacts the second member 320 can be increased. Then, by doing so, the vibration of the compressor 1 is less likely to propagate to them, and the soundproof effect can be enhanced. Further, since no additional member is required, the soundproof effect can be enhanced at low cost.

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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)

Abstract

L'invention concerne un module extérieur comprenant un compresseur et un matériau d'insonorisation qui recouvre le compresseur. Le matériau d'insonorisation est composé d'un second élément qui est disposé sur un côté externe et d'un premier élément qui est disposé sur le côté interne du second élément et présente une rigidité inférieure à celle du second élément. Le matériau d'insonorisation comporte une partie découpée pour permettre le passage d'un tuyau relié au compresseur, la partie découpée étant formée par découpe d'une partie de l'extrémité inférieure d'une partie latérale recouvrant le côté du compresseur. Dans la partie découpée, la plage de découpe du premier élément est plus étroite que la plage de découpe du second élément.
PCT/JP2019/006785 2019-02-22 2019-02-22 Module extérieur et climatiseur équipé de celui-ci WO2020170424A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2019/006785 WO2020170424A1 (fr) 2019-02-22 2019-02-22 Module extérieur et climatiseur équipé de celui-ci
JP2021501256A JP7146058B2 (ja) 2019-02-22 2019-02-22 室外機およびそれを備えた空気調和機
CN201990000251.6U CN212299210U (zh) 2019-02-22 2019-02-22 室外机以及具备该室外机的空调机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/006785 WO2020170424A1 (fr) 2019-02-22 2019-02-22 Module extérieur et climatiseur équipé de celui-ci

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Publication Number Publication Date
WO2020170424A1 true WO2020170424A1 (fr) 2020-08-27

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CN (1) CN212299210U (fr)
WO (1) WO2020170424A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0383736U (fr) * 1989-12-11 1991-08-26
JPH11281098A (ja) * 1998-01-20 1999-10-15 Samsung Electronics Co Ltd エアコン室外機の騒音低減装置
JP2004143975A (ja) * 2002-10-23 2004-05-20 Hitachi Home & Life Solutions Inc 圧縮機の防音装置
US20050056481A1 (en) * 2003-07-21 2005-03-17 Masoud Mafi Sound attenuating cover for domestic air conditioner compressors
JP2006242142A (ja) * 2005-03-07 2006-09-14 Daikin Ind Ltd 圧縮機用防音カバー
JP2008202590A (ja) * 2007-01-24 2008-09-04 Daikin Ind Ltd 圧縮機用防音材
JP2009125452A (ja) * 2007-11-27 2009-06-11 Toshiba Corp 洗濯乾燥機
JP2013124783A (ja) * 2011-12-13 2013-06-24 Daikin Industries Ltd 圧縮機の防音装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3177799U (ja) * 2012-06-07 2012-08-16 株式会社神戸製鋼所 油回収器用防音カバー

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0383736U (fr) * 1989-12-11 1991-08-26
JPH11281098A (ja) * 1998-01-20 1999-10-15 Samsung Electronics Co Ltd エアコン室外機の騒音低減装置
JP2004143975A (ja) * 2002-10-23 2004-05-20 Hitachi Home & Life Solutions Inc 圧縮機の防音装置
US20050056481A1 (en) * 2003-07-21 2005-03-17 Masoud Mafi Sound attenuating cover for domestic air conditioner compressors
JP2006242142A (ja) * 2005-03-07 2006-09-14 Daikin Ind Ltd 圧縮機用防音カバー
JP2008202590A (ja) * 2007-01-24 2008-09-04 Daikin Ind Ltd 圧縮機用防音材
JP2009125452A (ja) * 2007-11-27 2009-06-11 Toshiba Corp 洗濯乾燥機
JP2013124783A (ja) * 2011-12-13 2013-06-24 Daikin Industries Ltd 圧縮機の防音装置

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CN212299210U (zh) 2021-01-05
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