EP2192354A2 - Innenraumeinheit für eine Klimaanlage - Google Patents

Innenraumeinheit für eine Klimaanlage Download PDF

Info

Publication number
EP2192354A2
EP2192354A2 EP09167807A EP09167807A EP2192354A2 EP 2192354 A2 EP2192354 A2 EP 2192354A2 EP 09167807 A EP09167807 A EP 09167807A EP 09167807 A EP09167807 A EP 09167807A EP 2192354 A2 EP2192354 A2 EP 2192354A2
Authority
EP
European Patent Office
Prior art keywords
fan
indoor unit
noise
conditioning apparatus
air conditioning
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
Application number
EP09167807A
Other languages
English (en)
French (fr)
Other versions
EP2192354A3 (de
EP2192354B1 (de
Inventor
Jeong Taek Park
Deok Huh
Ki Won Seo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2192354A2 publication Critical patent/EP2192354A2/de
Publication of EP2192354A3 publication Critical patent/EP2192354A3/de
Application granted granted Critical
Publication of EP2192354B1 publication Critical patent/EP2192354B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential 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
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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

Definitions

  • the present invention relates to an indoor unit for an air conditioning apparatus.
  • an air conditioning apparatus is an apparatus that cools/heats a room using a compressor, a condenser, an expander, and an evaporator.
  • the air conditioning apparatus which includes an indoor unit and an outdoor unit, may be a separated air conditioning apparatus in which an indoor unit is separated form an outdoor unit and an integrated air conditioner in which an indoor unit is integrated with an outdoor unit.
  • a fan that compulsorily flows air and a heat exchanger that performs a heat exchange with indoor air to be inhaled are received in the indoor unit.
  • a method in which air flowed from a front surface and an upper part to be discharged downwardly to the front surface is commonly applied to a conventional air conditioning apparatus.
  • a cross flow fan is commonly applied to a separated indoor unit that is installed on a wall surface.
  • an indoor unit to which such a cross flow fan is applied an indoor unit to which a high efficiency cross flow fan is applied that can reduce the burdens of electricity charges has increased demand by consumers.
  • a heat exchanger that has an increased heat exchange area has been applied in order to accomplish high efficiency in a limited indoor unit standard.
  • a heat exchanger in which coolant pipes are arranged in 3 rows forward and backward may also be used.
  • the heat exchange area of the heat exchanger becomes high but the system resistance is increased.
  • the noise level at the same wind volume is increased. For example, noise such as a surging noise is highly likely to be generated.
  • An object of the present invention is to provide a fan structure where the fan can be normally operated without abnormal noise although air resistance by dust accumulated on a heat exchanger or a filter is increased due to a long time use, having a reduced noise level, when a 3 row heat exchanger is applied to an indoor unit to which a cross flow fan is applied.
  • an indoor unit for an air conditioning apparatus comprising: a chassis including a stabilizer that generates a flow of air, and a fan insertion groove; a cross flow fan that is mounted on a front surface of the chassis corresponding to an upper end of the stabilizer, to inhale indoor air; a heat exchanger that is provided on a front side of the fan to perform a heat exchange with the indoor air, wherein 0.088 ⁇ T/L ⁇ 0.132 (T: thickness of fan, L: length of fan).
  • the system resistance can be reduced although the 3 row heat exchanger is applied in order to improve a heat exchange efficiency of the indoor unit.
  • the fan can be normally operated without abnormal noise.
  • the noise level can be reduced.
  • FIG. 1 is a side cross-sectional view showing a structure of an indoor unit for an air conditioning apparatus according to an embodiment of the present invention.
  • the indoor unit 10 for the air conditioning apparatus includes a chassis 11 that is closely adhered to a wall surface, a front frame 12 that is coupled to a front side of the chassis 11, a front panel 13 that is rotatably or elevatably provided on a front surface of the front frame 12, a fan 17 that is received in a space formed by the chassis 11 and the front frame 12 to inhale indoor air, and a heat exchanger 16 that surrounds the fan 17 to perform a heat exchange with indoor air to be inhaled.
  • a stabilizer 112 is provided on a front surface of the chassis 11 to allow air flow to be generated as the fan 17 rotates.
  • a heat exchanger seating part 111 that supports one end of the heat exchanger 16 is formed on an upper side of the stabilizer 112.
  • an inlet grill that inhales indoor air is formed on an upper surface of the font frame 12 and a front surface inlet port 122 that inlets indoor air is also formed on a front surface thereof.
  • a filter 15 is mounted on a front surface of the heat exchanger 16 to clean indoor air inhaled through the inlet grill 121 and the front surface inlet port 122.
  • an upper end or a lower end of the front panel 13 is rotated or is upwardly rotated to allow the front surface inlet port 122 to be opened.
  • a discharge grill 14 is provided on a lower end of the indoor unit 10, wherein the other end of the heat exchanger 16 is seated on an upper side of the discharge grill 14 and an air outlet port 141 is formed on a lower side thereof.
  • a lower end of the stabilizer 112 is extended to the air outlet port 141.
  • a discharge louver 143 that controls a leftward and rightward flow of discharged air and a discharge vane 1442 that not only selectively opens/closes the air outlet port 141 but also controls an upward and downward flow of the discharged air of the discharged air are provided on the air outlet port 141.
  • the discharge vane 142 and the discharge louver 143 may be rotatably coupled to each other on a lower side of the discharge grill 14.
  • the heat exchanger 16 may have a shape where coolant pipes are arranged in 3 rows forwardly and backwardly or are divided in plural to surround a front and an upper of the fan 17.
  • the fan 17 may be a cross flow fan.
  • FIG. 2 is a front perspective view of a chassis applied to an indoor unit according to an embodiment of the present invention.
  • the heat exchanger seating part and the stabilizer 112 are formed on the front surface of the chassis 11 that is applied to the indoor unit 10 of the present invention.
  • a fan supporter 114 is formed on one side of the chassis 11 corresponding to a spot where the stabilizer 112 is formed. And, a motor seating part 113 where a motor that drives the fan 17 is seated is provided on a side of the fan supporter 114. And, a structure where a side end of the fan 17 is supported is also provided on the other side of the chassis 11. More specifically, a fan insertion groove 115 that is collapsed at a predetermined depth t for supporting the side end of the fan 17 is formed on the other side of the chassis 11.
  • the depth of the fan insertion groove 115 becomes a main design factor for reducing noise of the indoor unit.
  • the relation between the depth of the fan insertion grove 115 and noise will be explained based on experimental results, and an optimal depth of the fan insertion groove 115 will be explained.
  • FIG. 3 is a partial perspective view of a fan mounted on an indoor unit according to an embodiment of the present invention
  • FIG. 4 is a side view of the fan.
  • the fan 17 applied to the indoor unit according to the embodiment of the present invention may be a cross flow fan, and the cross flow fan has a plurality of blades 171 that are radially arranged along a circumferential direction. And, each blade is arranged slantly at a predetermined angle ⁇ . In other words, a line extended along a width s (see FIG. 5 ) direction of each blade is mounted to the blade, not being parallel to a rotation shaft of the fan 17 but being slanted by the predetermined angle ⁇ .
  • the fan forms a mean camber line by means of an inner diameter D1 from a center to an inner end of the blade 71, an outer diameter D2 from a center to an outer end of the blade 171, an inner circumferential angle ⁇ 1 and an outer circumferential angle ⁇ 2.
  • the mean camber line of the blade (hereinafter, referred to as a camber line) means a line that bisects a thickness T (see FIG. 5 ) of the blade 171.
  • the inner circumferential angle means an angle that is made by a line connecting the inner end of the camber line to the center of the fan and a contact line passing the inner end of the camber line from a circuit formed by the inner diameter D1, and hereinafter, the inner circumferential angle will be set to 90 degree.
  • the outer circumferential angle means an angle that is made by an extended straight line extended from the outer end of the camber line and a contact line passing the outer end of the camber line from a circle formed by the outer diameter D2.
  • FIG. 5 is a perspective view showing a blade of a fan corresponding to portion A of FIG. 4 .
  • the blade 171 that constitutes the fan 17 has predetermined length L and width s and is rounded as going in a length direction.
  • an inner curvature p1 of the blade 171 is set to be different from an outer curvature p2 thereof. Therefore, in the blade 171, a thickness of the edge portion is different from that of the central portion. In other words, the blade 171 has a shape that it becomes thick and then becomes thin from one end to the other end. And, the length L (Chord Length) of the blade 171 is defined based on a straight distance from the inner end of the blade to the outer end thereof.
  • the indoor unit 10 on which the fan 17 constituted as described above is mounted it is confirmed the relation between a ratio of inner diameter to outer diameter of the fan 17 and noise, the relation between an outer circumferential angle and noise, the relation between a ratio of thickness to length of a fan and noise, the relation between a ratio of an insertion depth of a side end of a fan to a length of the fan and noise, through experiments repeated several times. And, through the experiments as described above, an optimal design condition that can minimize fan noise is found.
  • FIG. 6 is a graph showing experimental results for the relation between an outer circumferential angle and noise in a fan of an indoor unit according to an embodiment of the present invention.
  • an inner circumferential angle is set to 90 degree.
  • the noise is reduced until the outer circumferential angle of the blade 171 reaches 30 degree and then is increased again as it exceeds 30 degree. In other words, it can be appreciated that the noise is minimized when the outer circumferential angle is 30 degree through the experimental results.
  • the outer circumferential angle of the blade 171 is preferably 28 degree ⁇ 2 ⁇ 32 degree, more preferably, 30 degree ⁇ 2 ⁇ 32 degree.
  • FIG. 7 is a graph showing experimental results for the relation between a ratio of inner diameter to outer diameter and noise in a fan of an indoor unit according to an embodiment of the present invention.
  • the noise is first generated at a point where the ratio of inner diameter to outer diameter D1/D2 of the blade 171 is 0.79. In other words, the noise is reduced until the ratio of inner diameter to outer diameter becomes 0.79 and then is increased again as the ratio of inner diameter to outer diameter exceeds 0.79.
  • the ratio of inner diameter to outer diameter of the blade 171 is preferably 0.77 ⁇ D1/D2 ⁇ 0.81, more preferably, 0.77 ⁇ D1/D2 ⁇ 0.8.
  • FIG. 8 is a graph showing experimental results for the relation between a ratio of thickness to length of a fan and noise in a fan of an indoor unit according to an embodiment of the present invention.
  • the noise is reduced until the ratio of thickness to length of a fan T/L reaches 0.1 and then is increased again as the ratio of thickness to length of a fan T/L exceeds 0.1.
  • the noise is minimize at a point where the ratio of thickness to length of a fan T/L is 0.1 through the experimental results.
  • the ratio of thickness to length of a fan is preferably 0.088 ⁇ T/L ⁇ 0.132.
  • FIG. 9 is a graph showing experimental results for the relation between a ratio of an insertion depth to length of a fan and noise in a fan of an indoor unit according to an embodiment of the present invention.
  • the noise is reduced until the ratio of an insertion depth to length of a fan t/L reaches 0.007 and then is increased again as the ratio of an insertion depth to length of a fan t/L exceeds 0.007.
  • the noise is minimized at a point where the ratio of an insertion depth to length of a fan is 0.007 through the experimental results.
  • the ratio of thickness to length of a fan is preferably 0.0044 ⁇ t/L ⁇ 0.0143.
  • FIG. 10 is a graph showing a result of a noise performance improvement when an indoor unit on which an optimizingly designed fan is mounted is driven.
  • the entire noise is reduced by about 2.2dB after the structure of the fan is improved compared to before the structure of the fan is improved.
  • the optimized design of the fan as described above lead to the results that the blowing performance of the fan can be increased and the system resistance and the fan noise can be reduced.
  • the results can be applied regardless of the size of the indoor unit or the size of the fan.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (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)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP09167807A 2008-11-26 2009-08-13 Innenraumeinheit für eine Klimaanlage Not-in-force EP2192354B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20080117860A KR101485609B1 (ko) 2008-11-26 2008-11-26 공기 조화기의 실내기

Publications (3)

Publication Number Publication Date
EP2192354A2 true EP2192354A2 (de) 2010-06-02
EP2192354A3 EP2192354A3 (de) 2011-03-16
EP2192354B1 EP2192354B1 (de) 2013-01-09

Family

ID=41527851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09167807A Not-in-force EP2192354B1 (de) 2008-11-26 2009-08-13 Innenraumeinheit für eine Klimaanlage

Country Status (5)

Country Link
US (1) US20100126206A1 (de)
EP (1) EP2192354B1 (de)
KR (1) KR101485609B1 (de)
CN (1) CN101737870B (de)
ES (1) ES2401533T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3633206A4 (de) * 2017-06-30 2020-06-17 GD Midea Environment Appliances MFG Co., Ltd. Querstromwindturbine und heizlüfter

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG184061A1 (en) * 2010-03-15 2012-10-30 Sharp Kk Fan, molding die, and fluid feeder
US20110283986A1 (en) * 2010-05-20 2011-11-24 Sergiy Lozovsky Apparatus for Improved Efficiency of an Air Conversion Device
CN102384564B (zh) * 2010-09-02 2015-06-03 乐金电子(天津)电器有限公司 空调器室内机
CN102116314B (zh) * 2011-04-05 2012-11-07 湖南科力尔电机有限公司 一种复合型线叶片叶轮的贯流风机
JP5678952B2 (ja) * 2012-12-28 2015-03-04 株式会社富士通ゼネラル 空気調和機
US9404511B2 (en) * 2013-03-13 2016-08-02 Robert Bosch Gmbh Free-tipped axial fan assembly with a thicker blade tip
CN103335390B (zh) * 2013-06-24 2016-01-20 青岛海信日立空调系统有限公司 一种空调室内机换热器翅片导流结构
US20160363343A1 (en) * 2013-11-26 2016-12-15 Daikin Industries, Ltd. Indoor unit
US10088176B2 (en) * 2014-10-30 2018-10-02 Mitsubishi Electric Corporation Air-conditioning device
CN105971908B (zh) * 2016-05-05 2018-07-06 四川圣锦高新科技股份有限公司 一种降噪引风机构以及贯流电器
JP6369522B2 (ja) * 2016-11-21 2018-08-08 ダイキン工業株式会社 空気調和装置の室内ユニット
CN110392806B (zh) * 2017-03-09 2021-07-20 三菱电机株式会社 空调机的室内机
CN107687671B (zh) * 2017-08-25 2023-11-14 珠海凌达压缩机有限公司 室内机和空调系统
CN108443977B (zh) * 2018-03-05 2021-03-16 广东美的制冷设备有限公司 窗式空调设备
EP4012189B1 (de) * 2020-10-13 2024-05-29 Chongqing Midea Air-Conditioning Equipment Co., Ltd. Luftkanalkomponente für querstromlaufrad und klimatisierungsvorrichtung damit

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880465A (en) * 1987-03-09 1989-11-14 Videojet Systems International, Inc. Opaque ink composition containing hollow microspheres for use in ink jet printing
JPH01193099A (ja) * 1988-01-27 1989-08-03 Diesel Kiki Co Ltd 遠心送風機の羽根車
JPH0544686A (ja) * 1991-08-12 1993-02-23 Daikin Ind Ltd 横流フアン
JP3186346B2 (ja) * 1993-06-28 2001-07-11 石川島播磨重工業株式会社 圧縮機翼列の翼型
JP4230571B2 (ja) * 1997-10-28 2009-02-25 株式会社サクラクレパス 水性ボールペン
US6412298B2 (en) * 2000-04-29 2002-07-02 Lg Electronics Inc. Window type air conditioner
AU767078B2 (en) * 2000-09-29 2003-10-30 Mitsubishi Denki Kabushiki Kaisha Air conditioner
JP4196346B2 (ja) * 2004-03-25 2008-12-17 三菱電機株式会社 空気調和機
US7350370B2 (en) * 2004-06-15 2008-04-01 Lg Electronics Inc. Air conditioner
DE602005013243D1 (de) * 2004-08-19 2009-04-23 Dainippon Toryo Kk Tinte für den tintenstrahldruck
KR100710369B1 (ko) * 2005-01-31 2007-04-23 엘지전자 주식회사 공기조화기
KR100686020B1 (ko) * 2005-01-31 2007-02-23 엘지전자 주식회사 공기조화기
US20060275606A1 (en) * 2005-03-30 2006-12-07 Seiko Epson Corporation White pigment for water-based ink and process for producing the same
KR100794644B1 (ko) * 2005-11-01 2008-01-14 엘지전자 주식회사 공기조화기
JP5118832B2 (ja) * 2006-08-22 2013-01-16 株式会社リコー 記録用インク及びインクメディアセット、並びにインクカートリッジ、インクジェット記録方法及びインクジェット記録装置
WO2008047962A1 (en) * 2006-10-19 2008-04-24 Lg Electronics Inc. Turbo fan for blowing and refrigerator having the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3633206A4 (de) * 2017-06-30 2020-06-17 GD Midea Environment Appliances MFG Co., Ltd. Querstromwindturbine und heizlüfter

Also Published As

Publication number Publication date
US20100126206A1 (en) 2010-05-27
KR101485609B1 (ko) 2015-01-22
CN101737870A (zh) 2010-06-16
CN101737870B (zh) 2012-12-05
EP2192354A3 (de) 2011-03-16
EP2192354B1 (de) 2013-01-09
ES2401533T3 (es) 2013-04-22
KR20100059181A (ko) 2010-06-04

Similar Documents

Publication Publication Date Title
EP2192354B1 (de) Innenraumeinheit für eine Klimaanlage
JP5235867B2 (ja) シロッコファン及び空気調和装置
CN108027161B (zh) 空气调节机
US6325597B1 (en) Axial flow fan for air conditioner
KR101826359B1 (ko) 횡류팬 및 공기 조화기
CN101184922A (zh) 离心式送风机及使用该送风机的空调机
KR101883502B1 (ko) 횡류팬 및 공기 조화기
CN101395381B (zh) 涡轮风扇和空调机
JP4678327B2 (ja) 空気調和機
JP4644903B2 (ja) 遠心式ターボ型空気機械のインペラ、遠心式ターボ型空気機械、及び空気調和装置
JPWO2015064617A1 (ja) 貫流ファン及び空気調和機
JP6625213B2 (ja) 多翼ファン及び空気調和機
JPWO2015063851A1 (ja) 貫流ファン及び空気調和機
KR102916217B1 (ko) 공기조화기용 송풍팬
JPWO2019123743A1 (ja) 空気調和機の室内機
CN103133360B (zh) 横流风扇及空调器
CN117222815A (zh) 送风机、空调装置和制冷循环装置
JPH0933060A (ja) 空気調和機
JP2008157568A (ja) 空気調和機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090908

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

17Q First examination report despatched

Effective date: 20110930

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: LG ELECTRONICS INC.

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 592974

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130115

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602009012608

Country of ref document: DE

Effective date: 20130307

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2401533

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20130422

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20130109

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 592974

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130109

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130409

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130509

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130409

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130509

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130410

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

26N No opposition filed

Effective date: 20131010

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602009012608

Country of ref document: DE

Effective date: 20131010

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130813

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140301

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602009012608

Country of ref document: DE

Effective date: 20140301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130813

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130813

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130813

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130109

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20090813

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20170707

Year of fee payment: 9

Ref country code: IT

Payment date: 20170810

Year of fee payment: 9

Ref country code: ES

Payment date: 20170913

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180813

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180831

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20190918

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180814