CN1414317A - Noise reducing structure for outdoor unit of large air conditioner - Google Patents
Noise reducing structure for outdoor unit of large air conditioner Download PDFInfo
- Publication number
- CN1414317A CN1414317A CN02157511A CN02157511A CN1414317A CN 1414317 A CN1414317 A CN 1414317A CN 02157511 A CN02157511 A CN 02157511A CN 02157511 A CN02157511 A CN 02157511A CN 1414317 A CN1414317 A CN 1414317A
- Authority
- CN
- China
- Prior art keywords
- noise
- premises station
- air conditioner
- reduction structure
- noise reduction
- 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.)
- Granted
Links
Images
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
- F24F1/46—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
-
- 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
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
Abstract
The present invention provides a noise reduction structure of an outdoor unit of a large-sized air conditioner. The outdoor unit of the large-sized air conditioner of the present invention is provided with a constant-speed converter and an inverter converter for compressing a refrigerant so as to circulate the refrigerant through a refrigerating cycle to variably change air-cooling capacity of the air conditioner. In the outdoor unit, an anti-noise barrier provided with protrusions surrounds the inverter compressor, thereby preventing noise generated from the inverter compressor from being transmitted to the outside.
Description
Technical field
The present invention relates to the off-premises station that inside is provided with the large-size air conditioning machine of constant velocity type compressor and inverter compressor, particularly be used to prevent the noise transmission that produces from the inverter compressor off-premises station noise reduction structure to the large-size air conditioning machine of outside.
Background technology
Generally, the large-size air conditioning machine is to be used to the device that keeps room air comfortable, and it mainly is made of following parts: indoor set, and it is made of indoor routine hair-dryer and evaporimeter etc., is arranged at the indoor; Off-premises station, it is by the outside hair-dryer, and formations such as condenser and compressor are arranged at the outside.
Fig. 1 is the stereogram of the off-premises station of the large-size air conditioning machine of expression prior art.
As shown in Figure 1, the off-premises station of existing large-size air conditioning machine is made of following parts: shell 8, and it is by front panel 2 that is formed with exhaust outlet 2a, air entry 4a respectively and backplate 4 and described front panel 2 is set and described backplate 4 base plate (base pan) 6 above it forms; Outside blower fan 10, it is arranged at the inboard of described front panel 2, blows outdoor air forcibly; Condenser 12, the inboard that it is arranged at described backplate 4 makes the outdoor air and the cold-producing medium that carry out forced air supply by described outside blower fan 10 carry out heat exchange; Compression unit 14, it is arranged at a side of described condenser 12 according to the mode of the refrigeration work consumption of regulating air-conditioning machine, and cold-producing medium is compressed, and makes its loop cycle of freezing.
Here, described compression unit 14 is made of the constant velocity type compressor 14a of constant speed running and the inverter compressor 14b of changed speed operation, it is according to frequency change, and the rotary speed of described inverter compressor 14b is changed, regulate simultaneously the circularly cooling cycle cold-producing medium flow and change refrigeration work consumption.
That is, described inverter compressor 14b according to refrigeration work consumption speed change and running continuously, if require bigger refrigeration work consumption at this, then makes described constant-speed compressor 14a running in the air conditioner action.
At this, described inverter compressor 14b makes the refrigerating capacity increase that is circulated regulate refrigeration work consumption effectively by rotating at a high speed pro rata with the value of incoming frequency.
In addition, label 16 expression motor cabinets, it is fixed for making described outside blower fan motor rotating, is installed on the condenser; Label 18 expression next doors, its internal separation at described shell goes out to be provided with the space of compressor and the space of condenser is set.
Action to the prior art of such formation is described below.
When applying power supply, the signal that requires lower refrigeration work consumption is input among the inverter compressor 14b, then described inverter compressor 14b low-speed running reduces the refrigerant flow in circularly cooling cycle.
At this, the signal that requires bigger refrigeration work consumption is input among the described inverter compressor 14b, then described inverter compressor 14b accelerates running speed, and the flow of the cold-producing medium in circularly cooling cycle is increased.
Then, the signal that requires bigger refrigeration work consumption is input among the described inverter compressor 14b, then described inverter compressor 14b is applied overload, constant velocity type compressor 2a is turned round with described inverter compressor 14b, can further increase the refrigerant flow in circularly cooling cycle.
But, in the off-premises station of the large-size air conditioning machine that resembles this spline structure, owing to the rotary speed of described inverter compressor 14b follows incoming frequency to change, so can produce noise because of the fluctuation and the structural vibrations of refrigerant pressure.
Yet, owing to be arranged at the inverter compressor set inverter compressor in refrigerator not in the off-premises station of large-size air conditioning machine of prior art, be arranged at another space of Machine Room etc., and be arranged at the space of dividing by the next door in the described shell (not shown), so exist the noise that produces in the action of inverter compressor 14b to be discharged into outside problem easily.
Summary of the invention
The present invention be directed to aforesaid prior art problems proposes, the object of the present invention is to provide a kind of off-premises station noise reduction structure of large-size air conditioning machine, this structure is used for preventing that the noise that the inverter compressor by the off-premises station of large-size air conditioning machine produces is delivered to the outside by shell.
In order to realize described purpose, the present invention relates to a kind of off-premises station noise reduction structure of large-size air conditioning machine, it is characterized in that cold-producing medium being freezed in the off-premises station of large-size air conditioning machine of compressor of loop cycle and compressed refrigerant being provided with at inside, the noise that is formed with bend that surrounds described compressor is set prevents portion, to prevent that noise transmission from described compressor radiation is to the outside.
Description of drawings
Fig. 1 is the figure of the off-premises station in the large-size air conditioning machine of expression prior art;
Fig. 2 uses the figure of noise reduction structure for the off-premises station of expression large-size air conditioning machine of the present invention;
Fig. 3 is the profile along the A-A line among Fig. 2;
Fig. 4 is the profile along the B-B line among Fig. 2;
Fig. 5 is the figure of another off-premises station in the large-size air conditioning machine of the present invention with noise reduction structure;
Fig. 6 is the profile along the C-C line among Fig. 5.
The specific embodiment
With reference to the accompanying drawings, the preferred embodiments of the present invention are specifically described.
Fig. 2 is the off-premises station noise reduction structure of expression large-size air conditioning machine of the present invention, and Fig. 3 is the profile along the A-A line among Fig. 2, and Fig. 4 is the profile along the B-B line among Fig. 2.In addition, Fig. 5 is the figure of another off-premises station in the expression large-size air conditioning machine of the present invention with noise reduction structure, and Fig. 6 is the profile along the C-C line among Fig. 5.
The off-premises station of described large-size air conditioning machine of the present invention noise reduction structure such as Fig. 2 and shown in Figure 5, constitute by following part: the shell 58 that constitutes by front panel 52 and backplate 54 and base plate 56, wherein, be installed on this at described front panel 52 and backplate 54 and be formed with exhaust outlet 52a and air entry 54a respectively on this front panel 52 and the backplate 54 above the base plate 56; Outside hair-dryer 60, it blows outdoor air the inboard to described shell 58 forcibly; Condenser 62, the inboard that it is arranged at described backplate 54 makes cold-producing medium and the outdoor air that blows by described outside hair-dryer 60 carry out heat exchange; Constant velocity type compressor 64a and inverter compressor 64b, these two compressors are arranged at a side of described condenser 62, cold-producing medium is compressed,, carry out constant speed running and changed speed operation respectively in the mode of regulating the refrigerant flow in circularly cooling cycle according to refrigeration work consumption; Noise prevents portion 70, wherein is formed with the bend 72,74 that surrounds described inverter compressor 64b, to prevent that noise transmission from described inverter compressor 64b radiation is to the outside.
Here, prevent the inboard of portion 70 at described noise, mode according to the periphery of surrounding described constant velocity type compressor 64a, also be provided with and inhale the acoustic material (not shown), this suction acoustic material is stacked with nonwoven, or the sound-absorbing material (not shown) of the porous material of foam etc. and the acoustic material (not shown) of rubber and metal material etc.
At this, described inverter compressor 64b according to refrigeration work consumption, carries out variable speed operation and running continuously in the air conditioner action, if require bigger refrigeration work consumption at this, described constant velocity type compressor 64a is also turned round.
Particularly, owing to the rotary speed of described inverter compressor 64b changes according to incoming frequency, so can produce more noise because of the fluctuation and the structural vibrations of the refrigerant pressure in the action.Therefore, by experiment, the noise radiation characteristic of described inverter compressor 64b is investigated, concentrated the noise of the direction of radiation to prevent to form described bend 72,74 on the side of portion 70 at noise.
At this, the noise that is sent by described inverter compressor 64b is a kind of sound wave form, this noise prevents that by being formed at described noise bend 72,74 out of plumb in the portion 70 from injecting described noise and preventing portion 70, and reflexes to the inboard that described noise prevents portion 70 once more.
In addition, prevent effect in order further to improve noise, prevent at described noise on the medial surface of portion 70, the suction acoustic material 76 that absorbs and cut off the noise that is produced by described inverter compressor 64 is set, it is arranged at the medial surface that the noise that removes the part that is formed with described bend 72,74 prevents portion 70.
Described suction sound insulating member 76 as shown in Figure 3, constitute by sound-absorbing material 76a and acoustic material 76b, this sound-absorbing material 76a is formed by the great porous material of air content in the such unit volume of felt or filament material, foamed material, this acoustic material 76b is formed by rubber or metal material, is stacked and placed on the described sound-absorbing material 76a.
Specifically, as shown in Figure 4, be formed at described noise prevent bend 72 in the portion 70 prevent a side of portion 70 at described noise more than next determining deviation h form the outstanding cross section of semicircle shape.
In addition, be formed at described noise prevent portion 70 another form bend 74 as shown in Figure 6, prevent that at described noise next determining deviation h forms the outstanding cross section of 1/4 circle more than the side of portion 70.
At the bottom part of this bend 74, be formed with ventilating opening 74a, so that the heat that discharging produces from described inverter compressor 64b.
In addition, in the more occasion of heat that produces by described inverter compressor 64b, also can open described noise prevent portion 70 above, installation room outside hair-dryer 60 on described inverter compressor 64b will be discharged by the heat that described inverter compressor 64b produces.
Below the action of the present invention that constitutes as mentioned above is described.
If by additional power source, inverter compressor 64b action owing to regulate the refrigerant flow in circularly cooling cycle according to refrigeration work consumption when velocity of rotation changes, produces noise from described inverter compressor 64b.
But the noise that produces from described inverter compressor 64b is absorbed by described suction sound insulating member 76 parts or reduces, and prevents portion 70 by the noise that surrounds described inverter compressor 64b in addition, further stops to the outside and transmits.
Also have,, be formed at described noise and prevent from so it reflexes to the inside that described noise prevents portion 70 once more, not to be delivered to the outside in the bend 72,74 in the portion 70 but inject obliquely because noise is not vertically to inject.
On the other hand, the heat that produces from described inverter compressor 64b prevents ventilating opening 74a discharging in the bend 74 portion 70 from being formed at described noise.
Owing to in the noise reduction structure, be formed with bend according to the mode setting of the periphery of surrounding described inverter compressor 64b at the off-premises station of the large-size air conditioning machine of the present invention that constitutes as mentioned above.Not make the noise transmission that produces by described inverter compressor 64b prevent portion to outside noise, so make noise that the inverter compressor sends prevent that at noise the inside of portion from reflecting repeatedly, prevent that it is delivered to the outside, the performance that can help to reduce noise pollution and improve goods.
Claims (11)
1. the off-premises station noise reduction structure of a large-size air conditioning machine, this structure is used for the off-premises station of large-size air conditioning machine, this off-premises station has compressor, this compressor compresses the cold-producing medium in circularly cooling cycle, it is characterized in that a noise is set prevents portion, this noise portion of preventing surrounds described compressor on this off-premises station, prevent to be formed with in the portion bend at this noise, to prevent that noise transmission from described compressor radiation is to the outside.
2. the off-premises station noise reduction structure of air conditioner as claimed in claim 1 is characterized in that, described compressor is arranged at a side of constant velocity type compressor, is adopted as the inverter compressor that the power that changes air conditioner can change running speed.
3. the off-premises station noise reduction structure of air conditioner as claimed in claim 1 is characterized in that, prevents in the portion at described noise, is provided with the suction acoustic material at the medial surface of removing beyond the described bend.
4. the off-premises station noise reduction structure of air conditioner as claimed in claim 3 is characterized in that, described suction acoustic material is by sound-absorbing material and acoustic material is overlapping forms.
5. the off-premises station noise reduction structure of air conditioner as claimed in claim 4 is characterized in that, described sound-absorbing material is formed by porous material.
6. the off-premises station noise reduction structure of air conditioner as claimed in claim 4 is characterized in that, described acoustic material is formed by elastomeric material.
7. the off-premises station noise reduction structure of air conditioner as claimed in claim 1 is characterized in that, described noise prevents that portion from being formed by metal material.
8. the off-premises station noise reduction structure of air conditioner as claimed in claim 1 is characterized in that, described bend is formed at noise prevents portion from the noise of the direction of described compressor concentrated area radiation a side.
9. the off-premises station noise reduction structure of air conditioner as claimed in claim 8 is characterized in that, described bend has certain intervals up and down, forms the outstanding cross section of semicircle shape and is formed on the side that described noise prevents portion.
10. the off-premises station noise reduction structure of air conditioner as claimed in claim 8 is characterized in that, about the described bend, has certain intervals, forms the outstanding cross section of 1/4 circle shape and is formed on the side that described noise prevents portion.
11. the off-premises station noise reduction structure of air conditioner as claimed in claim 10 is characterized in that, in described bend, in the mode of discharging from the heat of described compressor generation, at the bottom part formation ventilating opening of 1/4 toroidal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0061460A KR100420520B1 (en) | 2001-10-05 | 2001-10-05 | Air-conditioner |
KR61460/2001 | 2001-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1414317A true CN1414317A (en) | 2003-04-30 |
CN1211615C CN1211615C (en) | 2005-07-20 |
Family
ID=19714900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021575118A Expired - Fee Related CN1211615C (en) | 2001-10-05 | 2002-10-05 | Noise reducing structure for outdoor unit of large air conditioner |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1300635B1 (en) |
JP (1) | JP3723537B2 (en) |
KR (1) | KR100420520B1 (en) |
CN (1) | CN1211615C (en) |
DE (1) | DE60233626D1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100436957C (en) * | 2006-08-16 | 2008-11-26 | 广东科龙电器股份有限公司 | Silencing outdoor machine in reduced running noise |
CN102384571A (en) * | 2011-09-29 | 2012-03-21 | Tcl空调器(武汉)有限公司 | Silencing structure of air-conditioning compressor |
CN102538083A (en) * | 2010-12-29 | 2012-07-04 | Lg电子株式会社 | Outdoor unit for air conditioner |
CN102721165A (en) * | 2012-07-12 | 2012-10-10 | 王桂林 | Low-noise high-efficiency mobile type air conditioner |
CN104048367A (en) * | 2014-06-30 | 2014-09-17 | 珠海格力电器股份有限公司 | Vibration and noise reduction device of compressor |
CN105020140A (en) * | 2014-04-30 | 2015-11-04 | 杨永坚 | Pump body of vacuum pressure combination pump |
CN105423445A (en) * | 2015-12-25 | 2016-03-23 | 广东美的制冷设备有限公司 | Compressor assembly, outdoor unit and air conditioner |
CN111656013A (en) * | 2018-11-21 | 2020-09-11 | Nok株式会社 | Noise reduction structure |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2879797B1 (en) * | 2004-12-20 | 2007-09-21 | Valeo Climatisation Sa | DEVICE FOR THE ACOUSTICAL ATTENUATION OF AN AIR FLOW TREATMENT PLANT, AUBES GRID AGENT |
KR20070039718A (en) * | 2005-10-10 | 2007-04-13 | 위니아만도 주식회사 | Structure of panel in air-conditioner |
KR100765570B1 (en) * | 2006-02-08 | 2007-10-09 | 엘지전자 주식회사 | Outdoor unit for air conditioner |
FR2909164B1 (en) * | 2006-11-27 | 2013-09-27 | Harmonie Express | APPARATUS CONFORMABLY CONTAINING CAPACITY TO COVER AIR CONDITIONERS AND ON THE EXTERNAL SURFACE WHICH MAY APPEAR AT LEAST ONE NAME AND / OR AT LEAST ONE FIGURING SIGN. |
BR102012005849A2 (en) | 2012-03-15 | 2013-12-03 | Electrolux Do Brasil Sa | AIR CONDITIONER WITH VIBRATION BUFFER |
KR102010374B1 (en) * | 2012-03-20 | 2019-08-14 | 웅진코웨이 주식회사 | Structure for noise prevention of compensator and dehumidifier having the same |
CN104748252A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Compressor noise isolating device, air conditioning outdoor unit and air conditioner |
CN108369016B (en) * | 2015-12-04 | 2020-10-27 | 三菱电机株式会社 | Outdoor machine |
CN105698283B (en) * | 2015-12-25 | 2019-04-19 | 广东美的制冷设备有限公司 | Compressor assembly, outdoor unit and air conditioner |
CN106765677A (en) * | 2016-12-27 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of noise reducing structure of outdoor and air-conditioner outdoor unit |
CN109028349B (en) * | 2018-06-15 | 2021-08-24 | 青岛海信日立空调系统有限公司 | Sound insulation cover, air conditioner outdoor unit and noise reduction method |
WO2020202495A1 (en) * | 2019-04-03 | 2020-10-08 | 三菱電機株式会社 | Outdoor unit for air conditioning device |
CN113494771A (en) * | 2021-06-30 | 2021-10-12 | 杭州金泰环境科技有限公司 | Large-scale air conditioner room system with good noise reduction and sound insulation effects |
CN114877420B (en) * | 2022-05-24 | 2023-09-22 | 湖南中合科技有限公司 | Intelligent control independent central air conditioner |
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JPH0267823U (en) * | 1988-07-27 | 1990-05-23 | ||
US5151018A (en) * | 1990-07-31 | 1992-09-29 | Copeland Corporation | Sound attenuation chamber |
JPH0836389A (en) * | 1994-07-21 | 1996-02-06 | Sharp Corp | Mounting device of compressor |
JP2943676B2 (en) * | 1995-11-24 | 1999-08-30 | 三菱電機株式会社 | refrigerator |
JPH10148362A (en) * | 1996-11-20 | 1998-06-02 | Fujitsu General Ltd | Sound absorbing material for air conditioner |
KR200154185Y1 (en) * | 1996-12-31 | 1999-08-02 | 윤종용 | Anti-noise apparatus of airconditioner |
KR19990017293U (en) * | 1997-10-31 | 1999-05-25 | 윤종용 | Outdoor unit for air conditioner |
KR100288872B1 (en) * | 1998-01-20 | 2001-02-12 | Samsung Electronics Co Ltd | Noise reduction apparatus for air conditioner outdoor unit |
-
2001
- 2001-10-05 KR KR10-2001-0061460A patent/KR100420520B1/en not_active IP Right Cessation
-
2002
- 2002-10-02 DE DE60233626T patent/DE60233626D1/en not_active Expired - Lifetime
- 2002-10-02 EP EP02022121A patent/EP1300635B1/en not_active Expired - Fee Related
- 2002-10-04 JP JP2002292054A patent/JP3723537B2/en not_active Expired - Fee Related
- 2002-10-05 CN CNB021575118A patent/CN1211615C/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100436957C (en) * | 2006-08-16 | 2008-11-26 | 广东科龙电器股份有限公司 | Silencing outdoor machine in reduced running noise |
CN102538083A (en) * | 2010-12-29 | 2012-07-04 | Lg电子株式会社 | Outdoor unit for air conditioner |
US8950208B2 (en) | 2010-12-29 | 2015-02-10 | Lg Electronics Inc. | Outdoor unit for air conditioner |
CN102538083B (en) * | 2010-12-29 | 2015-04-01 | Lg电子株式会社 | Outdoor unit for air conditioner |
CN102384571A (en) * | 2011-09-29 | 2012-03-21 | Tcl空调器(武汉)有限公司 | Silencing structure of air-conditioning compressor |
CN102721165A (en) * | 2012-07-12 | 2012-10-10 | 王桂林 | Low-noise high-efficiency mobile type air conditioner |
CN105020140A (en) * | 2014-04-30 | 2015-11-04 | 杨永坚 | Pump body of vacuum pressure combination pump |
CN104048367A (en) * | 2014-06-30 | 2014-09-17 | 珠海格力电器股份有限公司 | Vibration and noise reduction device of compressor |
CN105423445A (en) * | 2015-12-25 | 2016-03-23 | 广东美的制冷设备有限公司 | Compressor assembly, outdoor unit and air conditioner |
CN105423445B (en) * | 2015-12-25 | 2018-07-03 | 广东美的制冷设备有限公司 | Compressor assembly, outdoor unit and air conditioner |
CN111656013A (en) * | 2018-11-21 | 2020-09-11 | Nok株式会社 | Noise reduction structure |
Also Published As
Publication number | Publication date |
---|---|
JP2003176935A (en) | 2003-06-27 |
EP1300635A3 (en) | 2006-11-02 |
JP3723537B2 (en) | 2005-12-07 |
EP1300635B1 (en) | 2009-09-09 |
KR100420520B1 (en) | 2004-03-02 |
CN1211615C (en) | 2005-07-20 |
DE60233626D1 (en) | 2009-10-22 |
EP1300635A2 (en) | 2003-04-09 |
KR20030028993A (en) | 2003-04-11 |
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Granted publication date: 20050720 Termination date: 20171005 |