EP1890087A1 - Climatiseur avec guide d'air pour réduction de bruit - Google Patents
Climatiseur avec guide d'air pour réduction de bruit Download PDFInfo
- Publication number
- EP1890087A1 EP1890087A1 EP07113938A EP07113938A EP1890087A1 EP 1890087 A1 EP1890087 A1 EP 1890087A1 EP 07113938 A EP07113938 A EP 07113938A EP 07113938 A EP07113938 A EP 07113938A EP 1890087 A1 EP1890087 A1 EP 1890087A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- heat exchanger
- airflow guide
- air conditioner
- conditioner according
- 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.)
- Withdrawn
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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- 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
-
- 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
-
- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- 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
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- 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
- 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
- F24F2013/0616—Outlets that have intake openings
Definitions
- the present disclosure relates to an air conditioner, and more particularly, to a ceiling mounted air conditioner that may be installed on a ceiling.
- an air conditioner is a home appliance which maintains the condition of air within an indoor space in an optimum state (e.g., a user selected temperature.
- an indoor space may be cooled in the summer and warmed in the winter, and the humidity level in the indoor space may also be controlled to provide a comfortable, clean indoor atmosphere.
- Air conditioners may be categorized into many types according to purpose (or use) or installed location.
- an indoor unit that suctions air from an indoor space, may exchange heat with a lower temperature air, and then may supply the air back into the indoor space.
- the air conditioner may be installed between a ceiling wall and an outer ceiling surface.
- a ceiling mounted air conditioner may include a cabinet or housing forming an outer shape of the air conditioning unit, a motor installed within the cabinet, a blower fan coupled to the motor, an inlet and outlet, and a front panel coupled to the bottom of the cabinet.
- a heat exchanger may be disposed around the blower fan to exchange heat with air blown by the blower fan.
- the air that is discharged in a radial direction of the blower fan is directed against the heat exchanger at a predetermined angle so that excessive noise is generated by the friction between the air and heat exchanger.
- an air conditioner which may include a housing and a fan.
- the fan may be provided within the housing.
- the fan may be configured to draw air into the housing and direct air radially outward.
- the air conditioner may also include a heat exchanger configured to exchange heat with the air drawn into the housing.
- at least one airflow guide (configured to extend into a flow path of the air) may be provided so that the flow of air is guided through the heat exchanger along a surface of the airflow guide.
- the heat exchanger may have multiple sides provided radially outward of the fan.
- the airflow guide may be provided radially inward of the heat exchanger at a position spaced from a center of a corresponding side which the airflow guide is configured to guide air through.
- the airflow guide may be provided within a first region of a corresponding side of the heat exchanger such that an angle formed between the flow direction of air and the corresponding air flow guide is smaller than an angle formed between the flow direction of air and a center of the corresponding side of the heat exchanger.
- a noise reduction hole may be provided in a surface at which the airflow guide and the flow of air meet.
- the airflow guide may include a plurality of spaced-apart airflow guides provided on corresponding sides of the heat exchanger.
- the airflow guide may extend in a direction opposite to the flow direction of the air which is directed radially outward by the fan. Also, the airflow guide may be provided on a connector which connects the heat exchanger to the housing.
- the connector may include an inner surface provided at an inner side of the heat exchanger and an outer surface provided at an outer side of the heat exchanger.
- the airflow guide may extend from the inner surface of the connector. Additionally, the inner surface and the outer surface may define a through-hole through which air passes.
- the airflow guide may be coupled to a tube of the heat exchanger.
- the airflow guide may include a coupling part which couples the airflow guide to the tube.
- the airflow guide may extend from a fin of the heat exchanger.
- the surface of the airflow guide may include a curved surface.
- the airflow guide may also be provided within a first region of a corresponding side of the heat exchanger so that an acute angle is formed between the flow direction of air and the corresponding air flow guide. Additionally, the airflow guide may protrude into the flow path of the air.
- Fig. 1 is a sectional view of a ceiling mounted air conditioner according to the first embodiment of the present disclosure.
- a ceiling mounted air conditioner 1 may include a housing 10 installed on a ceiling 5, a front panel 20 coupled to the bottom surface of the housing 10, a fan motor 30 fixed to the inner top surface of the housing 10, a fan (e.g., a blower fan) 40 connected to the fan motor 30 which is configured to ventilate indoor air, a heat exchanger 50 configured to exchange heat between indoor air that is suctioned by the ventilating fan 40 and refrigerant within the heat exchanger 50, and a fixing member 80 which fixes the heat exchanger 50 to the housing 10.
- a fan e.g., a blower fan
- the ceiling mounted air conditioner 1 may also include a bell mouth 45 provided below the fan 40 and configured to guide the flow of air suctioned (or drawn) into the housing 10, a drain pan 70 provided below the heat exchanger 50, the drain pan 70 being configured to collect condensed water that condenses while air passes through the heat exchanger 50, and an airflow guide 100 provided between the heat exchanger 50 and the fan 40, the air flow guide 100 being configured to guide the flow of air discharged in a radial direction to the fan 40.
- the housing 10 may have a multifaceted shape (e.g., multiple side surfaces and an open bottom surface. Further, the front panel 20 may be coupled to the open portion of the housing 10 to seal the inside of the air conditioner.
- An inlet 22, through which indoor air is suctioned (or drawn) into the housing 10, may be defined in the central portion of the front panel 20. Additionally, a plurality of outlets 24, through which air that passes through the heat exchanger 50 is discharged to the indoor space, may be defined around the inlet 22.
- the inlet 22 may be formed in a rectangular shape, and the outlet 24 may be formed at each wall of the inlet 22.
- a discharge vane 26 configured to adjust the direction of air being discharged may be pivotably coupled (e.g., via a hinge) to each outlet 24.
- the fan 40 used may be a turbine fan which suctions or draws) air in an axial direction and discharges air in a radial direction.
- the airflow guide 100 may be provided at the front of the heat exchanger 50 with respect to the flow of air, and may be configured to change the flow direction of the air flowing at an angle toward the heat exchanger 50, thereby allowing air to pass through the heat exchanger 50.
- the blowing force generated by the rotation of the fan 40 may suction (or draw) air from below the housing 10 in a generally upwardly direction.
- the suctioned air may enter the fan 40 in an axial direction and may be discharged in a radial direction.
- the flow of air that enters the heat exchanger 50 at an angle may be guided by the airflow guide 100 so as to pass through the heat exchanger 50.
- the air that has exchanged heat may be redirected in a flow direction, and may flow downward and out through the outlet 24 and back into the indoor space.
- Fig. 2 is a bottom view of a ceiling mounted air conditioner according to the first embodiment of the present disclosure
- Fig. 3 is a perspective view of a fixing member on which an airflow guide may be formed (or provided) according to the first embodiment of the present disclosure.
- a heat exchanger 50 may be disposed (or positioned) in an approximately rectangular formation (or configuration) within the housing 10.
- the fan 40 may be positioned within the heat exchanger 50.
- the heat exchanger 50 may be fixed to the housing 10 by a plurality of fixing members.
- any fastener suitable for fixing a heat exchanger within a housing may be employed.
- a drain pump 75 may be provided at a side edge of the heat exchanger 50 for discharging water condensed in the drain pan 70 to the outside. Further, the drain pump 75 may be supported (or coupled) to the housing 10 by a bracket 77, or any other suitable fastener.
- the fixing member 80 may include a front surface 81 at the front of a heat exchanger 50 (with respect to the flow direction of air), a rear surface 82 at the rear of the heat exchanger 50, a connecting portion 83 connecting the front surface 81 and the rear surface 82, and a coupling portion 85 extending from the front surface 81 for fixing the fixing member 80 to the housing 10.
- the coupling portion 85 may have a through-hole (not shown) formed therein so that the coupling portion 85 may be coupled to the inner-upper surface of the housing 10.
- the coupling portion 85 may be coupled to the inner-upper surface of the housing 10.
- the fixing member 80 may be coupled to the housing 10 proximate a bottom opening, or t any other suitable position.
- An air through-hole 84 may be formed (or provided to extend along a longitudinal length of the fixing member 80. Additionally, the through-hole 84 may extend from the front surface 81 and the rear surface 82, thereby providing a passage for air.
- the airflow guide 100 may be provided on the front surface 81 and configured to guide the flow direction of air being discharged in a radial direction of the fan 40, thereby reducing noise which may be generated by air colliding against the heat exchanger 50.
- the fixing member 80 may be coupled to the heat exchanger 50 with the airflow guide 100 formed (or provided) on the fixing member 80.
- the airflow guide 100 may be indirectly connected to the heat exchanger 50.
- the airflow guide 100 may be formed (or provided) from a top-to-bottom direction along the length of the front surface 81, may be curved to redirect the flow of air blown by the fan 40.
- the direction in which the airflow guide 100 is curved, as shown in Fig. 2 may be opposite to the direction in which the air is blown (or directed radially outward) by the fan 40.
- the airflow guide 100 may be formed along at least half the length or more of the front surface 81, in order to achieve a smooth airflow.
- the airflow guide 100 may be disposed (or positioned) at a point at which the angle formed by the flow direction of air and the heat exchanger 50 is less than a predetermined angle.
- the airflow guide 100 may be provided within a first region of a corresponding side of the heat exchanger 50 such that an angle formed between the flow direction of air and the corresponding air flow guide 100 is smaller than an angle formed between the flow direction of air and a center of the corresponding side of the heat exchanger 50.
- the position of the airflow guide 100 may be provided at a location spaced from the center of a corresponding side of the heat exchanger 50 toward an end of the corresponding side at which an angle formed by the direction of air discharged from the fan 40 and the heat exchanger 50 is smaller than an angle formed by the direction of air discharged from the blower and a center of the corresponding side.
- the angle formed by the heat exchanger 50 of the present embodiment and the air, as shown in Fig. 2, may be such that the direction of air with a point (a) on the heat exchanger 50 is less than an angle formed by the direction of air with a point (b) on the heat exchanger 50.
- the region of the smaller range of angles formed by the direction of air and the heat exchanger 50, as represented by (A) in Fig. 2, and the airflow guide 100 may be formed in any position in the region (A).
- At least one airflow guide 100 may be provided in region (A).
- the front-to-rear length of airflow guides formed at point (a) on the heat exchanger 50 may be longer than that of airflow guides formed at point (b) on the heat exchanger 50.
- the distance between the heat exchanger 50 at point (a) and the fan 40 may be less than the distance between the heat exchanger 50 at point (b) and the blower fan 40.
- the length of the airflow guide provided at point (a) on the heat exchanger 50 may be formed (or provided) shorter than the length of the airflow guide provided at point (b) on the heat exchanger 50.
- Fig. 4 is a plan view showing the flow of air in a ceiling mounted air conditioner according to the first embodiment of the present disclosure.
- the operation of the fan motor 30 rotates the fan 40, and indoor air below the housing 10 may be drawn into the housing 10 through the inlet 22.
- the drawn air in may be directed radially outward of fan 40.
- air moving toward the region (A) of the heat exchanger 50 from the air that is blown in a radial direction to the fan 40 may be guided by the airflow guide 100 such that the air passes through the heat exchanger 50.
- the air that passages through the heat exchanger 50 may be redirected as it contacts the housing 10, and may subsequently be discharged downward through the outlet 24.
- the airflow guide 100 may guide the passage of the air through the heat exchanger 50 so that noise generated during the passage of air through the heat exchanger 50 is reduced.
- Fig. 5 is a perspective view of an airflow guide according to the second embodiment of the present disclosure.
- an airflow guide 200 may be coupled directly to the tubes 52 of the heat exchanger 50 by a coupler.
- a coupler any suitable coupler capable of coupling a guide to an air conditioner may be employed.
- the airflow guide 200 may have at least one fastener 202 configured to fasten a tube 52 of the heat exchanger 50 formed (or provided) on a side of the airflow guide 200.
- the fastener 202 may be formed (or provided) having a shape corresponding to the shape of the tube 52 of the heat exchanger 50, and may enclose a portion of the tube 52 when coupled to the tube 52.
- the fastener 202 may be provided with a predetermined amount of tension so that it deforms elastically during coupling with the tube 52, thereby allowing the coupler to be coupled with the tube 52.
- the coupler When coupled to the tube 52, the coupler may encircle the tube 52.
- the airflow guide 200 may be configured to couple directly to the tube 52 of the heat exchanger 50, so that the position of the airflow guide 200 can be altered. That is, a user may be able to easily couple the airflow guide 200 to the tube 52 of the heat exchanger 50.
- Fig. 6 is a perspective view of an airflow guide according to the third embodiment of the present disclosure.
- an airflow guide 300 may be configured as a fin 54 of the heat exchanger 50.
- the heat exchanger 50 may include a tube 52 bent (or having a plurality of curvatures) a plurality of times, and a plurality of heat exchanger fins 54 coupled to the tube 52.
- one of the plurality of heat exchanger fins 54 may be bent (or curved) in a direction opposite to the direction of air discharged from the fan 40, and the curved portion may form the airflow guide 300 in the present embodiment.
- the curved heat exchanger fin 54 may, of course, be located in the region (A) shown in Fig. 2.
- the airflow guide 300 may be formed, thereby reducing manufacturing cost and processes.
- the contact area between air and the fin may be increased thereby improving heat-exchanging performance.
- noise generated by air passing through the heat exchanger can be reduced by the airflow guide which is configured to guide the direction of airflow discharged by the fan.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060075454A KR100782195B1 (ko) | 2006-08-10 | 2006-08-10 | 공기 조화기 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1890087A1 true EP1890087A1 (fr) | 2008-02-20 |
Family
ID=38704860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07113938A Withdrawn EP1890087A1 (fr) | 2006-08-10 | 2007-08-07 | Climatiseur avec guide d'air pour réduction de bruit |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080035317A1 (fr) |
EP (1) | EP1890087A1 (fr) |
KR (1) | KR100782195B1 (fr) |
CN (1) | CN101122407B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3130866A1 (fr) * | 2015-08-13 | 2017-02-15 | Lg Electronics Inc. | Unite d'interieur de climatiseur |
EP3358270A1 (fr) * | 2017-02-03 | 2018-08-08 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Unité de climatisation d'air |
EP3596404A4 (fr) * | 2017-03-17 | 2020-03-25 | Zhang, Yiyan | Unité de climatisation |
EP3739268A4 (fr) * | 2018-01-19 | 2021-03-17 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Climatiseur |
EP3748238A4 (fr) * | 2018-01-30 | 2021-10-20 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Climatiseur intégré au plafond |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090040690A (ko) * | 2007-10-22 | 2009-04-27 | 엘지전자 주식회사 | 공기 조화기 |
US7908879B1 (en) * | 2009-11-03 | 2011-03-22 | Chen Yung-Hua | Multifunctional ceiling air-conditioning circulation machine |
US20110110774A1 (en) * | 2009-11-06 | 2011-05-12 | Alex Horng | Blower Fan |
FI122952B (fi) * | 2009-11-18 | 2012-09-14 | Halton Oy | Tuloilmalaite |
JP6071375B2 (ja) * | 2012-09-21 | 2017-02-01 | 株式会社ケーヒン | 車両用空気調和装置 |
KR102058375B1 (ko) * | 2013-02-21 | 2019-12-24 | 엘지전자 주식회사 | 천정형 공기조화기 |
JP5644889B2 (ja) * | 2013-04-30 | 2014-12-24 | ダイキン工業株式会社 | 空気調和機の室内ユニット |
KR102053223B1 (ko) * | 2013-07-02 | 2020-01-07 | 엘지전자 주식회사 | 바람 가리개 및 이를 포함한 공기 조화기 |
KR102278182B1 (ko) * | 2013-10-29 | 2021-07-15 | 엘지전자 주식회사 | 공기조화기 |
JP2015132425A (ja) * | 2014-01-14 | 2015-07-23 | 三菱電機株式会社 | 空気調和機 |
JP6369684B2 (ja) * | 2014-10-10 | 2018-08-08 | 株式会社富士通ゼネラル | 天井埋込型空気調和機 |
JP6399942B2 (ja) * | 2015-02-02 | 2018-10-03 | 日立ジョンソンコントロールズ空調株式会社 | 空気調和機 |
JP6519944B2 (ja) * | 2015-03-27 | 2019-05-29 | 株式会社富士通ゼネラル | 天井埋込型空気調和機 |
JP2017053588A (ja) * | 2015-09-11 | 2017-03-16 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | 空気調和機及びその室内機 |
JP6575754B2 (ja) * | 2015-09-17 | 2019-09-18 | 株式会社富士通ゼネラル | 天井埋込型空気調和機 |
JP6481577B2 (ja) * | 2015-09-24 | 2019-03-13 | 株式会社富士通ゼネラル | 天井埋込型空気調和機 |
CN105240941A (zh) * | 2015-10-15 | 2016-01-13 | 珠海格力电器股份有限公司 | 一种空气调节装置及其控制方法 |
JP6578907B2 (ja) * | 2015-11-27 | 2019-09-25 | 株式会社富士通ゼネラル | 天井埋込型空気調和機 |
CN110892201B (zh) * | 2017-07-26 | 2021-05-11 | 三菱电机株式会社 | 空气调节机 |
CN107642826A (zh) * | 2017-10-30 | 2018-01-30 | 广东美的暖通设备有限公司 | 空调室内机和空调器 |
JP7190670B2 (ja) * | 2018-02-26 | 2022-12-16 | パナソニックIpマネジメント株式会社 | 天井埋込型室内ユニット |
CN111174392B (zh) * | 2018-11-13 | 2021-06-01 | 宁波奥克斯电气股份有限公司 | 一种气流控制器的装配结构、装配方法及空调器 |
KR102598644B1 (ko) * | 2019-01-18 | 2023-11-06 | 엘지전자 주식회사 | 천장형 공기조화기 |
EP4145057A4 (fr) * | 2020-11-11 | 2023-12-27 | Samsung Electronics Co., Ltd. | Climatiseur |
KR20230108121A (ko) * | 2022-01-10 | 2023-07-18 | 삼성전자주식회사 | 천장형 공기조화기 |
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JPH11325497A (ja) * | 1999-04-16 | 1999-11-26 | Sanyo Electric Co Ltd | 熱交換ユニット |
JP2000161694A (ja) * | 1998-11-20 | 2000-06-16 | Toshiba Corp | 空気調和機 |
JP2000304347A (ja) * | 1999-04-22 | 2000-11-02 | Mitsubishi Electric Corp | 熱交換ユニット |
JP2001099436A (ja) * | 1999-09-30 | 2001-04-13 | Fujitsu General Ltd | 天井埋込形空気調和機 |
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JP3521323B2 (ja) * | 1998-12-18 | 2004-04-19 | 株式会社日立製作所 | 天井埋込形の室内機 |
KR100344593B1 (ko) * | 1999-12-27 | 2002-07-20 | 삼성전자 주식회사 | 공기조화기 |
JP2004340496A (ja) * | 2003-05-16 | 2004-12-02 | Fujitsu General Ltd | 空気調和機 |
JP2005319874A (ja) * | 2004-05-07 | 2005-11-17 | Denso Corp | 車両用空調装置 |
KR100707448B1 (ko) * | 2005-03-22 | 2007-04-13 | 엘지전자 주식회사 | 공기조화기 |
KR100640801B1 (ko) * | 2005-05-10 | 2006-11-02 | 엘지전자 주식회사 | 천장형 에어컨의 베인 제어방법 |
KR100697088B1 (ko) * | 2005-06-09 | 2007-03-20 | 엘지전자 주식회사 | 공기조화기 |
US20070149107A1 (en) * | 2005-11-14 | 2007-06-28 | Lg Electronics Inc. | Ventilation system and method of controlling the same |
-
2006
- 2006-08-10 KR KR1020060075454A patent/KR100782195B1/ko not_active IP Right Cessation
-
2007
- 2007-08-07 EP EP07113938A patent/EP1890087A1/fr not_active Withdrawn
- 2007-08-09 US US11/836,395 patent/US20080035317A1/en not_active Abandoned
- 2007-08-10 CN CN2007101419718A patent/CN101122407B/zh not_active Expired - Fee Related
Patent Citations (4)
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JP2000161694A (ja) * | 1998-11-20 | 2000-06-16 | Toshiba Corp | 空気調和機 |
JPH11325497A (ja) * | 1999-04-16 | 1999-11-26 | Sanyo Electric Co Ltd | 熱交換ユニット |
JP2000304347A (ja) * | 1999-04-22 | 2000-11-02 | Mitsubishi Electric Corp | 熱交換ユニット |
JP2001099436A (ja) * | 1999-09-30 | 2001-04-13 | Fujitsu General Ltd | 天井埋込形空気調和機 |
Cited By (7)
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EP3130866A1 (fr) * | 2015-08-13 | 2017-02-15 | Lg Electronics Inc. | Unite d'interieur de climatiseur |
US10302314B2 (en) | 2015-08-13 | 2019-05-28 | Lg Electronics Inc. | Indoor unit of air conditioner |
EP3358270A1 (fr) * | 2017-02-03 | 2018-08-08 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Unité de climatisation d'air |
EP3596404A4 (fr) * | 2017-03-17 | 2020-03-25 | Zhang, Yiyan | Unité de climatisation |
US11364772B2 (en) | 2017-03-17 | 2022-06-21 | Yiyan ZHANG | Air conditioning unit |
EP3739268A4 (fr) * | 2018-01-19 | 2021-03-17 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Climatiseur |
EP3748238A4 (fr) * | 2018-01-30 | 2021-10-20 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Climatiseur intégré au plafond |
Also Published As
Publication number | Publication date |
---|---|
KR100782195B1 (ko) | 2007-12-04 |
US20080035317A1 (en) | 2008-02-14 |
CN101122407B (zh) | 2011-09-28 |
CN101122407A (zh) | 2008-02-13 |
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