WO2005010442A1 - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
- Publication number
- WO2005010442A1 WO2005010442A1 PCT/JP2004/010537 JP2004010537W WO2005010442A1 WO 2005010442 A1 WO2005010442 A1 WO 2005010442A1 JP 2004010537 W JP2004010537 W JP 2004010537W WO 2005010442 A1 WO2005010442 A1 WO 2005010442A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat transfer
- heat
- heat exchanger
- air
- air conditioner
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
- F28F1/325—Fins with openings
-
- 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
-
- 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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
Definitions
- the present invention generally relates to an air conditioner, and more particularly, to an air conditioner provided with a heat exchanger having a heat transfer fin having a simple structure and having a uniform wind speed distribution.
- the heat exchanger is housed without any gaps, and an air purifier and various filters are arranged to improve the function.
- a suction grill is installed to improve the design. Since the area of the air intake port is limited by the fact that some or most of the panels are panelized, the amount of air supplied to the indoor units becomes non-uniform due to heat exchange. Of the wind speed distribution.
- FIG. 17 is a plan view of heat transfer fins 50 in the heat exchange of a conventional air conditioner described in Japanese Patent Application Laid-Open No. 2000-24849.
- FIGS. 18 and 19 are cross-sectional views taken along lines XV III-XVIII and XIX-XIX of FIG. 17, respectively.
- FIG. 17 is a plan view of heat transfer fins 50 in the heat exchange of a conventional air conditioner described in Japanese Patent Application Laid-Open No. 2000-24849.
- FIGS. 18 and 19 are cross-sectional views taken along lines XV III-XVIII and XIX-XIX of FIG. 17, respectively.
- a pair of through holes 51 are arranged on the heat transfer fins 50 in a direction perpendicular to the direction of the airflow ⁇ and a heat transfer tube 53 for passing the refrigerant is formed in the through hole 51. Communicated to each. As clearly shown in FIG. 19, each through hole 51 has a boss 52.
- three cut-and-raised portions 55 extending in the direction B perpendicular to the direction A of the air flow are provided between the pair of heat transfer tubes 53 to improve the heat exchange performance. They are juxtaposed in the airflow direction A.
- Each of the cut-and-raised portions 55 forms two slits in parallel with the heat transfer fin 50 in a direction B perpendicular to the direction A of the air flow, and bulges a portion sandwiched between the slits. It is obtained by doing.
- Each of the cut-and-raised portions 55 has a through-hole 55 a that opens in the airflow direction A as shown in FIG. 18, while as shown in FIG. In direction B, it is closed by a roof-shaped bulge having a horizontal portion 55b and a pair of inclined legs 55c.
- the cut-and-raised portion 55 is provided in the entire heat exchanger, so that the amount of air supplied to the indoor unit as described above varies with respect to heat exchange. If the heat exchange is not uniform, the air passing through the heat exchanger may have a non-uniform distribution, resulting in wind noise or insufficient heat exchange performance, resulting in quality deterioration.
- the method of adding and installing a flow straightening plate, and crushing a part of the heat transfer fins for heat exchange aim to equalize the wind speed distribution.
- Methods are also known, but these known methods have the problem of increasing production costs due to the increase in the number of parts and the number of production steps.
- An object of the present invention is to provide an air conditioner that reduces noise with a simple and inexpensive structure while maintaining heat exchange performance at approximately the same level as that of a conventional one, in order to solve the above-mentioned problems of the conventional technology. Aim.
- an air conditioner of the present invention includes a plurality of heat transfer fins each having a plurality of through holes, and a plurality of heat transfer fins that pass through the through holes of each heat transfer fin and pass a refrigerant.
- a heat exchanger including a heat pipe and a blower that supplies air to the heat exchanger
- a plurality of protrusions that obstruct the flow of air to the heat exchanger
- a plurality of cut-and-raised portions for improving the heat exchange performance are formed between the heat transfer tubes in the region where the wind speed distribution of the heat exchanger is low.
- FIG. 1 is a schematic cross-sectional view of an air conditioner indoor unit according to Embodiment 1 of the present invention.
- FIG. 2 is a partial plan view of the heat transfer fins in a high-level region of the wind speed distribution of the heat exchanger of the indoor unit for an air conditioner in FIG.
- FIG. 3 is a sectional view taken along the line III-III in FIG.
- FIG. 4 is a sectional view taken along the line IV-IV in FIG.
- FIG. 5 is a partial plan view of the heat transfer fin of the heat exchanger of FIG. 1 in a region where the wind speed distribution is low.
- FIG. 6 is a sectional view taken along the line VI-VI of FIG.
- FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG.
- FIG. 8 is a partial plan view of a heat transfer fin that is a first modification of the heat transfer fin of FIG.
- FIG. 9 is a sectional view taken along the line IX-IX of FIG.
- FIG. 10 is a cross-sectional view taken along line XX of FIG.
- FIG. 11 is a partial plan view of a heat transfer fin that is a second modification of the heat transfer fin of FIG.
- FIG. 12 is a cross-sectional view taken along the line XII-XII of FIG.
- FIG. 13 is a cross-sectional view taken along line XIII—XIII in FIG. 11.
- FIG. 14 is a partial plan view of the heat transfer fins of the heat exchanger of the indoor unit for an air conditioner according to Embodiment 2 of the present invention in a region where the wind speed distribution is high.
- FIG. 15 is a sectional view taken along the line XV—XV in FIG.
- FIG. 16 is a cross-sectional view taken along the line XVI-XVI of FIG.
- FIG. 17 is a partial plan view of a heat fin of a heat exchanger of a conventional air conditioner.
- FIG. 18 is a cross-sectional view taken along the line XVIII-XVIII in FIG.
- FIG. 19 is a sectional view taken along the line XIX—XIX of FIG.
- FIG. 1 shows an indoor unit for an air conditioner according to Embodiment 1 of the present invention.
- This indoor unit has an indoor unit main body 1.
- the indoor unit main body 1 fixes a heat exchanger 3 and the like, and forms a chassis 1 a forming a rear portion of the indoor unit main body 1 and a front portion of the indoor unit main body 1.
- a front panel 2 having a large number of ventilation holes 2a.
- Blower 5 Power Intakes indoor air through the ventilation holes 2a of the front panel 2, and discharges the heat-exchanged air into the room through the outlet 4.
- the heat exchanger 3 has a number of heat transfer fans each having a plurality of through holes 11.
- the heat transfer fins 10 are provided in the axial direction of the heat transfer tubes 13.
- the heat transfer fins 10 are provided with a plurality of heat transfer tubes 13 that pass through the through holes 11 of the heat transfer fins 10 and allow the refrigerant to pass therethrough. They are juxtaposed at predetermined intervals. As clearly shown in FIG. 4, a boss 12 for holding each heat transfer tube 13 is provided in each through hole 11. Further, two water trays 8 for receiving condensed water adhering to the heat exchanger 3 as wastewater are provided below the front end and the rear end of the heat exchanger 13, respectively. It should be noted that an openable and closable air suction port may be provided on the front panel 2 instead of the ventilation hole ⁇ a, and the air suction port may be opened during operation to suck indoor air.
- the protruding portion 14 (FIGS. 2 to 4) which obstructs the air flow is provided in the region where the wind speed distribution of the heat exchange m3 ⁇ 43 is high, while the cut-and-raise for improving the heat exchange performance.
- ⁇ 15 (Figs. 5 to 7) ⁇ Provided in the heat exchanger 3 where the wind speed distribution is low. For example, if the wind speed distribution in the upper 3 mm of the heat exchanger 3 in FIG. 1 is higher than the wind speed distribution in the lower 3 B of the heat exchanger 3, the protrusions 14 that obstruct the airflow are provided in the upper 3 A of the heat exchanger 3.
- a cut-and-raised portion 15 for improving heat exchange performance is provided in a lower portion 3B of the heat exchange 3.
- the above-described arrangement in which the protruding portion 14 and the cut-and-raised portion 15 are provided on the upper portion 3A and the lower portion 3B of the heat exchanger 13 is only an example, and the air conditioning of the present invention It goes without saying that the indoor unit for the machine is not limited to this arrangement.
- the protrusions 14 that impede airflow and the cut-and-raised portions 15 that improve heat exchange performance are described below.
- the protrusions 14 provided on the surface of the heat transfer fin 10 between the heat transfer tubes 13 in the region where the wind speed distribution of the heat exchanger 3 is high so as to obstruct the air flow are shown in FIGS. 2 to 4. Will be explained.
- a pair of heat transfer tubes 13 is arranged in a direction B perpendicular to the airflow direction A, while a protrusion 14 is arranged between the pair of heat transfer tubes 13. It extends in a direction B perpendicular to the direction A of the air flow.
- FIG. 2 a pair of heat transfer tubes 13 is arranged in a direction B perpendicular to the airflow direction A
- a protrusion 14 is arranged between the pair of heat transfer tubes 13. It extends in a direction B perpendicular to the direction A of the air flow.
- the protrusion 14 is closed in the airflow direction A by a roof-shaped bulge having a horizontal portion 14a and a pair of inclined legs 14b.
- it has a through hole 14c that opens in a direction B perpendicular to the direction A of the airflow. Therefore, in the region where the wind velocity distribution of the heat transfer fins 10 of the heat exchanger 3 is high, the protrusion 14 closed in the direction A of the air flow as described above prevents the air flow traveling in the direction A.
- the cut-and-raised portion 15 provided on the surface of the heat transfer fin 10 between the heat transfer tubes 13 in the region where the wind speed distribution of the heat exchanger 3 is low is shown in FIG.
- the cut-and-raised portion 15 is the same as the conventional cut-and-raised portion 55 shown in FIGS. Therefore, as shown in FIG. 5, while the pair of heat transfer tubes 13 are arranged in the direction B perpendicular to the direction A of the airflow, three cut-and-raised portions extending in the direction B perpendicular to the direction A of the airflow are provided.
- the heat exchangers 15 are juxtaposed in the airflow direction A between the pair of heat transfer tubes 12.
- Each of the cut-and-raised portions 15 is obtained by forming two slits in the heat transfer fin 10 in parallel in a direction B perpendicular to the direction A of the air flow, and swelling a portion sandwiched between the slits. .
- each of the cut-and-raised portions 15 has a through hole 15a that opens in the direction A of the airflow, while in the direction B perpendicular to the direction A of the airflow as shown in FIG. It is formed and closed by a roof-shaped bulge having a horizontal portion 15b and a pair of inclined legs 15c.
- the cut-and-raised portion 15 opening in the direction A of the airflow guides the airflow traveling in the direction A as described above. Heat exchange of vessel 3 is promoted.
- the heat transfer fins 10 which are a first modification of the heat transfer fin 10 of the heat exchanger 3 of FIG.
- the three protrusions 14, which obstruct the air flow are arranged side by side in the direction A of the air flow between the pair of heat transfer tubes 13, and are perpendicular to the direction A of the air flow. It is biased stepwise so that it gradually descends from the inflow side of the airflow in the appropriate direction B.
- the protrusion 14 in FIGS. 2 to 4 has a horizontal portion 14 a ′ and a pair of inclined legs 14 b in the airflow direction A. As shown in FIG. 10, it has a through hole 14 c ′ opened in a direction B perpendicular to the direction A of the air flow while being closed by being formed by the bulging portion.
- FIG. 11 to 13 show a heat transfer fin 10 "which is a second modification of the heat transfer fin 10 of the heat exchanger 3 of FIG. 2.
- the heat transfer fin 10" of FIG. It is formed of an upright plate-like piece that crosses the airflow to the heat exchanger 3.
- the plate-shaped protrusion 14 is disposed on the airflow inlet side of the rectangular opening 14a”. Has been done.
- the indoor unit luck When the rotation starts, the blower 5 rotates and sucks the room air from the ventilation hole 2 a of the front panel 2. The air is heat-exchanged when passing through the heat exchange 3, and is discharged into the room from the outlet 4 by the blower 5. At this time, the heat transfer fins 10 in the region where the wind speed distribution of the heat exchange 3 is high prevent the airflow that advances in the force direction A from the protruding portion 14 closed in the direction A of the airflow, so that the wind speed distribution is substantially uniform .
- the inexpensive simple structure makes the wind speed distribution non-uniform. The generation of noise due to noise can be suppressed.
- the cut-and-raised portion 15 opening in the direction A of the airflow guides the airflow traveling in the direction A. Since the heat exchange of 3 is promoted, the heat exchange performance is maintained at about the same level as the conventional one. ⁇
- FIGS. 14 to 16 show the heat transfer fins 20 in the region where the wind speed distribution is high in the heat exchanger 3 of the air conditioner indoor unit according to the second embodiment of the present invention.
- a tubular protrusion 24 that blocks airflow is provided between a pair of heat transfer tubes 13.
- the tubular protrusion 24 is the boss of the through hole 1 1
- tubular protrusion 24 having substantially the same shape as the boss 12 of the through hole 1 1 simplifies the mold structure of the heat transfer fins 20 and allows the tubular protrusion 24 to pass through. Since the holes can be formed simultaneously during the step of forming the holes 11, the heat transfer fins 20 can be manufactured at lower cost.
- the air conditioner of the present invention has the following remarkable effects.
- the cut-and-raised portion provided between the heat transfer tubes on the surface of the heat transfer fin promotes the heat exchange of the heat exchanger. While the heat exchanger is maintained at approximately the same level, the height of the wind speed distribution of the heat exchanger and the projections provided on the surface of the heat transfer fins between the heat transfer tubes in the area prevent the airflow to the heat exchanger.
- the wind speed distribution is made substantially uniform, it is possible to suppress the generation of noise due to uneven wind speed distribution with a simple and inexpensive structure.
- the metal of the heat transfer fin can be used. Since the mold structure is simplified and the tubular protrusions can be formed simultaneously during the process of forming the through holes, the heat transfer fins can be manufactured at lower cost.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005512039A JP4524253B2 (ja) | 2003-07-28 | 2004-07-16 | 空気調和機 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003280719 | 2003-07-28 | ||
JP2003-280719 | 2003-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005010442A1 true WO2005010442A1 (ja) | 2005-02-03 |
Family
ID=34100888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010537 WO2005010442A1 (ja) | 2003-07-28 | 2004-07-16 | 空気調和機 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4524253B2 (ja) |
KR (1) | KR101079364B1 (ja) |
CN (1) | CN100359247C (ja) |
WO (1) | WO2005010442A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1703216A3 (en) * | 2005-02-22 | 2008-08-20 | Matsushita Electric Industrial Co., Ltd. | Air conditioner |
JP2010019500A (ja) * | 2008-07-11 | 2010-01-28 | Panasonic Corp | フィン付き熱交換器 |
JP2015143607A (ja) * | 2013-12-27 | 2015-08-06 | ダイキン工業株式会社 | 熱交換器 |
WO2016067907A1 (ja) * | 2014-10-27 | 2016-05-06 | ダイキン工業株式会社 | 熱交換器 |
CN106051961A (zh) * | 2015-04-14 | 2016-10-26 | Lg电子株式会社 | 除湿器 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101451054B1 (ko) * | 2011-01-21 | 2014-10-15 | 다이킨 고교 가부시키가이샤 | 열교환기 및 공기 조화기 |
CN211119692U (zh) * | 2019-11-28 | 2020-07-28 | 广东美的制冷设备有限公司 | 换热器组件和具有其的空调室内机 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61241497A (ja) * | 1985-04-19 | 1986-10-27 | Matsushita Electric Ind Co Ltd | 送風装置 |
JPH10185359A (ja) * | 1996-10-02 | 1998-07-14 | Matsushita Electric Ind Co Ltd | フィン付き熱交換器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2600410Y2 (ja) * | 1993-11-01 | 1999-10-12 | 東洋ラジエーター株式会社 | 空調用熱交換器 |
CN1095065C (zh) * | 1994-12-27 | 2002-11-27 | Lg电子株式会社 | 热交换器的结构 |
KR100290761B1 (ko) * | 1995-01-23 | 2001-06-01 | 구자홍 | 핀 튜브형 열교환기 |
KR960031959A (ko) * | 1995-02-22 | 1996-09-17 | 구자홍 | 열교환기의 핀 |
CN1125309C (zh) * | 1996-10-02 | 2003-10-22 | 松下电器产业株式会社 | 翅片式热交换器 |
JPH10220788A (ja) * | 1997-02-04 | 1998-08-21 | Daikin Ind Ltd | 空気清浄フィルタ付き室内機 |
JPH11183077A (ja) * | 1997-12-19 | 1999-07-06 | Fujitsu General Ltd | 空気調和機の室内機 |
KR100503407B1 (ko) * | 1999-03-09 | 2005-07-25 | 학교법인 포항공과대학교 | 핀 튜브형 열교환기 |
JP2002054840A (ja) | 2000-08-09 | 2002-02-20 | Hitachi Ltd | 空気調和機 |
-
2004
- 2004-07-16 JP JP2005512039A patent/JP4524253B2/ja not_active Expired - Fee Related
- 2004-07-16 WO PCT/JP2004/010537 patent/WO2005010442A1/ja active Application Filing
- 2004-07-16 CN CNB2004800201594A patent/CN100359247C/zh not_active Expired - Fee Related
- 2004-07-16 KR KR1020067000754A patent/KR101079364B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61241497A (ja) * | 1985-04-19 | 1986-10-27 | Matsushita Electric Ind Co Ltd | 送風装置 |
JPH10185359A (ja) * | 1996-10-02 | 1998-07-14 | Matsushita Electric Ind Co Ltd | フィン付き熱交換器 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1703216A3 (en) * | 2005-02-22 | 2008-08-20 | Matsushita Electric Industrial Co., Ltd. | Air conditioner |
JP2010019500A (ja) * | 2008-07-11 | 2010-01-28 | Panasonic Corp | フィン付き熱交換器 |
JP2015143607A (ja) * | 2013-12-27 | 2015-08-06 | ダイキン工業株式会社 | 熱交換器 |
WO2016067907A1 (ja) * | 2014-10-27 | 2016-05-06 | ダイキン工業株式会社 | 熱交換器 |
JP2016084975A (ja) * | 2014-10-27 | 2016-05-19 | ダイキン工業株式会社 | 熱交換器 |
CN107076525A (zh) * | 2014-10-27 | 2017-08-18 | 大金工业株式会社 | 热交换器 |
CN106051961A (zh) * | 2015-04-14 | 2016-10-26 | Lg电子株式会社 | 除湿器 |
Also Published As
Publication number | Publication date |
---|---|
KR20060052808A (ko) | 2006-05-19 |
JP4524253B2 (ja) | 2010-08-11 |
CN100359247C (zh) | 2008-01-02 |
KR101079364B1 (ko) | 2011-11-02 |
CN1823244A (zh) | 2006-08-23 |
JPWO2005010442A1 (ja) | 2006-09-14 |
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