EP1780475A2 - Ventilateur à courant transversal - Google Patents

Ventilateur à courant transversal Download PDF

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Publication number
EP1780475A2
EP1780475A2 EP06022505A EP06022505A EP1780475A2 EP 1780475 A2 EP1780475 A2 EP 1780475A2 EP 06022505 A EP06022505 A EP 06022505A EP 06022505 A EP06022505 A EP 06022505A EP 1780475 A2 EP1780475 A2 EP 1780475A2
Authority
EP
European Patent Office
Prior art keywords
slits
impeller
crossflow fan
rotating shaft
circumferential direction
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
EP06022505A
Other languages
German (de)
English (en)
Other versions
EP1780475B1 (fr
EP1780475A3 (fr
Inventor
Shoji Yamada
Teruo Miyamoto
Mitsuhiro Shirota
Yoshinori Tanikawa
Tetsuya Tazawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1780475A2 publication Critical patent/EP1780475A2/fr
Publication of EP1780475A3 publication Critical patent/EP1780475A3/fr
Application granted granted Critical
Publication of EP1780475B1 publication Critical patent/EP1780475B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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 a crossflow fan used in an air conditioner or the like.
  • a distance between a fan rotor (impeller) and a tongue is preferably shortened to improve efficiency thereof, the tongue provided at a predetermined height along the outer diameter of the fan rotor.
  • the flow of air around the blade rapidly varies, thereby increasing noise in a termination region of the tongue region.
  • a comb-shaped groove portion is provided at the upper end of the tongue.
  • the width thereof is enlarged, and the depth thereof is changed between the right and left rotors of the fan rotor (for example, refer to Japanese Patent No. 3248466 (pages 2 and 3, and Fig. 3)).
  • a crossflow fan in which the efficiency is high while reducing noise.
  • a crossflow fan includes: an impeller; and a tongue provided along a portion of the outer circumference of the impeller.
  • the tongue is provided with a plurality of slits such that a cross-section of the tongue on a surface perpendicular to a circumferential direction of the impeller is formed in a comb shape. At least one slit of the plurality of slits is formed in a different shape.
  • Fig. 1 is a sectional view illustrating an air conditioner using a crossflow fan according to a first embodiment of the present invention.
  • the same reference numeral represents the same component or a component corresponding thereto, which is common in the overall specification.
  • the shapes of components represented in the overall specification are only examples, and are not limited thereto.
  • a front-side suction grille 2 is provided on the front surface of a housing 1 of the air conditioner, and an upper-side suction grille 3 is provided on the upper surface thereof.
  • a filter 4 for removing dust contained in the air is provided along the front-side suction grille 2 and the upper-side suction grille 3.
  • a nose 6 is installed so as to be connected to the front-side suction grille 2.
  • a guider 7 is installed, which introduces the flow of air within the air conditioner.
  • an impeller 12 is disposed which rotates around a rotating shaft 13 of the crossflow fan.
  • the impeller 12 is composed of the rotating shaft 13, a plurality of disc-shaped side plates 14 fixed to both ends and the middle of the rotating shaft 13, and impeller blades 15 radially fixed to the outer circumferences of the side plates 14.
  • the crossflow fan is provided with the impeller 12, the guider 7, and the nose 6.
  • an air outlet 8 is provided between the nose 6 and.the guider 7, through which air is blown outside the air conditioner.
  • a left-to-right wind direction changing plate 9 connected to the nose 6 is provided which changes the flow of air in a direction of the rotating shaft 13, and similarly, in the vicinity of the outlet 8, an up-and-down wind direction changing plate 10 is provided which changes the flow of air in the up and down direction.
  • piping 11 is disposed in which a refrigerant of the heat exchanger 5 flows.
  • Fig. 2 is a sectional view illustrating the nose of the crossflow fan according to the first embodiment of the invention
  • Fig. 3 is a perspective view of the nose of the crossflow fan according to the first embodiment of the invention.
  • Fig. 2A is a sectional view of the nose on a surface perpendicular to the rotating shaft of the crossflow fan according to the first embodiment of the invention
  • Fig. 2B is a sectional view of the nose on a surface (a surface including the rotating shaft 13 of the impeller 12, that is, a cross-sectional surface taken along line E-E of Fig. 2A) perpendicular to a circumferential direction of the impeller of the crossflow fan according to the first embodiment of the invention.
  • the nose 6 is provided with an air passage constituting portion 17 and a tongue 18.
  • the air passage constituting portion 17 constitutes a portion of an air passage inside the air conditioner and serves as a drain which receives water droplets dripping from the heat exchanger 5 so as to be discharged.
  • a plurality of concave slits 21 are arranged in the direction of the rotating shaft 13 of the impeller 12 such that the tongue 18 is formed in a comb shape.
  • the cross-section of the tongue 18 on a surface (a surface including the rotating shaft 13 of the impeller 12, that is, a cross-sectional surface taken along line E-E of Fig. 2A) perpendicular to a circumferential direction of the impeller 12 has a plurality of convex portions which are connected to a base and on the same side of the corresponding base.
  • Some slits 21 among the plurality of slits 21 are formed in a different shape, and have a different depth H in a radius direction of the impeller 12 at the discharge side A.
  • the remaining slits 21 are formed to have the same shape and same depth H in a radius direction of the impeller 12 in the discharge side A.
  • the depths H of some slits 21 may be changed irregularly or regularly in the discharge side A.
  • all the slits 21 do not necessarily need to be formed to have a different shape. However, at least some slits 21 among the plurality of slits 21 may be formed to have a different shape and may have a different depth H in the radius direction of the impeller 12 at the discharge side A. Further, all the slits 21 may be formed in a different shape and the depths H thereof in the radius direction of the impeller 12 in the discharge side A may differ from each other. In all the slits 21, respective lengths L in a circumferential direction of the impeller 12, widths D in the direction of the rotating shaft 13, and distances T between the adjacent slits 21 are identical.
  • the tongue 18 is provided with the plurality of slits 21 such that the cross-section of the tongue 18 on a surface perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape. Further, at least some slits 21 among the plurality of slits 21 have a different depth H in the radius direction of the impeller 12. Therefore, it is possible to change a pressure loss in each of the slits 21 and to change the flow rate and the direction of leakage flow from the discharge side (high-pressure side) A to the suction side (low-pressure side) B for each position of the slits 21.
  • an interference position between leakage flow and the impeller blade 15 differs in each of the slits 21, an area correlated with pressure fluccuation (an area of a region having synchronism) can be reduced, and noise of the crossflow fan can be reduced while efficiency is maintained.
  • the crossflow fan In the crossflow fan, a flow rate is reduced in the vicinities of the side plates 14 provided at both ends in a direction of the rotating shaft 13 of the impeller 12 and in the middle thereof.
  • a leakage flow rate is large in the low flow rate region, a reverse flow easily occurs, thereby decreasing efficiency. Therefore, the slits 21, in which the depths H at the discharge side A are small, are provided in the low flow rate region flowing through the impeller 12, and the slits 21, in which the depths H at the discharge side A are large, are provided in a high flow rate region. Then, it is possible to provide a crossflow fan without reducing efficiency caused by a reverse flow and without increasing noise in any position in the direction of the rotating shaft 13 of the impeller 12.
  • the depths H of the slits 21 at the discharge side A may be decreased in the vicinities of the side plates 14 provided at both ends and the middle of the rotating shaft 13 of the impeller 12, and the depths H of the slits 21 at the discharge side A may be increased in other regions.
  • Fig. 4 is a sectional view of the nose on a surface perpendicular to the circumferential direction of the impeller of the crossflow fan according to the first embodiment of the invention.
  • the slits 21 have been illustrated, of which the cross sections on a surface perpendicular to the circumferential direction of the impeller 12 are formed in a rectangular shape.
  • the cross-sections of the slits 21 may be formed in any shape. That is, the cross-sectional surfaces of the slits 21 may be formed in a triangle shape shown in Fig. 4A or in a trapezoidal shape shown in Fig. 4B. Further, plural types of cross-sectional shapes may be combined.
  • the cross-section on a surface perpendicular to the radius direction of the impeller may be formed in any shape. That is, the cross-section may be formed in a rectangular shape, a triangle shape, or a trapezoidal shape. Further, plural types of cross-sectional shapes may be combined. When plural types of cross-sectional shapes are combined, a pressure loss of each slit 21 may be changed.
  • the lengths L in the circumferential direction of the impeller 12, the widths D in the direction of the rotating shaft 13, and the distances T between the adjacent slits 21 are set to be respectively identical in all of the slits 21.
  • the lengths L in a circumferential direction of the impeller 12, the widths D in the direction of the rotating shaft 13, and the.distances T between the adjacent slits 21 may differ from each other.
  • the air conditioner using the crossflow fan in which at least some slits among the plurality of slits have a different depth H in the radius direction of the impeller 12 is shown.
  • an air conditioner using a crossflow fan in which at least some slits among a plurality of slits have a different length L in a circumferential direction of the impeller 12 is shown.
  • Fig. 5 is a sectional view of a nose on a surface perpendicular to a rotating shaft of the crossflow fan according to the second embodiment of the invention
  • Fig. 6 is a perspective view of the nose of the crossflow fan according to the second embodiment of the invention.
  • a tongue 18 has a plurality of slits 22 arranged in a direction of the rotating shaft 13 of the impeller 12 such that the cross-section of the tongue 18 on a surface (including the rotating shaft 13 of the impeller 12) perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape.
  • Some slits 22 among the plurality of slits 22 are formed in a different shape and have a different length L in the circumferential direction of the impeller 12.
  • the remaining slits 22 are formed in the same shape and have an identical length L in the circumferential direction of the impeller 12.
  • all of the slits 22 can have the same shape, but at least some of the slits 22 among the plurality of slits 22 may be formed to have a different shape and a different length L in the circumferential direction of the impeller 12. Further, all the slits 22 may be formed to have a different shape from each other, and the lengths L thereof in the circumferential direction of the impeller 12 may differ from each other in all the slits 22. Moreover, in all the slits 22, respective depths H in the radius direction of the impeller 12, widths D in the direction of the rotating shaft 13, and distances T between the adjacent slits 22 are identical.
  • the tongue 18 is provided with the plurality of slits 22 such that the cross-section thereof on a surface perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape, and at least some slits 22 among the plurality of slits 22 have a different length L in the circumferential direction of the impeller 12. Therefore, by changing the length, a pressure loss in each of the slits 22 can be changed, and a flow rate and direction of leakage flow from the discharge side (high-pressure side) A to the suction side (low-pressure side) B can be different for each position of the slits 22.
  • an interference position between leakage flow and the impeller blade 15 differs in each of the slits 22, an area correlated with pressure fluctuation (an area of a region having synchronism) can be reduced, and noise of the crossflow fan can be reduced while efficiency is maintained.
  • Fig. 7 is a perspective view of the nose of the crossflow fan according to the second embodiment.
  • the lengths L of the slits 22 in the circumferential direction of the impeller 12 are irregularly changed in the direction of the rotating shaft 13.
  • the lengths L of the slits 22 in the circumferential direction of the impeller 12 are regularly changed as shown in Fig. 7, it is possible to obtain the same effect as the lengths L are irregularly changed.
  • the depths H in the radius direction of the impeller 12, the widths D in the direction of the rotating shaft 13, and the distances T between the adjacent slits 22 are set to be respectively identical in all of the slits 22.
  • the depths H in the radius direction of the impeller 12, the widths D in the direction of the rotating shaft 13, and the distances T between the adjacent slits 22 may respectively differ.
  • the air conditioner using the crossflow fan in which at least some slits among the plurality of slits have a different depth H in the radius direction of the impeller 12 is shown.
  • an air conditioner using a crossflow fan in which at least some slits among a plurality of slits have a different width D in a direction of the rotating shaft 13 of the impeller 12 is shown.
  • Fig. 8 is a perspective view illustrating a nose of the crossflow fan according to the third embodiment of the invention.
  • a tongue 18 has a plurality of slits 23 arranged in a direction of the rotating shaft 13 of the impeller 12 such that the cross-section of the tongue 18 on a surface (including the rotating shaft 13 of the impeller 12) perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape.
  • Some slits 23 among the plurality of slits 23 are formed to have a different shape and a different width D in the direction of the rotating shaft 13 of the impeller 12.
  • the remaining slits 23 are formed to have the same shape and an identical width D in the direction of the rotating shaft 13 of the impeller 12.
  • all of the slits 23 can be formed in the same shape, but at least some slits 23 among the plurality of slits 23 may be formed to have a different shape and may have a different width D in the direction of the rotating shaft 13 of the impeller 12. Further, all the slits 23 may be formed to have a different shape from each other, and the widths D in the direction of the rotating shaft 13 of the impeller 12 may differ from each other in all of the slits 23. In all of the slits 23, the depths H in the radius direction of the impeller 12, the lengths L in the circumferential direction thereof, and the distances T between the adjacent slits 23 are respectively identical.
  • the tongue 18 is provided with the plurality of slits 23 such that the cross-section of the tongue 18 on a surface perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape, and at least some slits 23 among the plurality of slits 23 have a different width D in the direction of the rotating shaft 13 of the impeller 12. Therefore, a pressure loss in each of the slits 23 can be changed, and a flow rate and direction of leakage flow from the discharge side (high-pressure side) A to the suction side (low-pressure side) B can he different for each position of the slits 23.
  • an interference position between the leakage flow and the impeller blade 15 differs in each of the slits 23
  • an area correlated with pressure fluctuation an area of a region having synchronism
  • the thickness of a material composing the tongue 18 is uniform, as compared with the crossflow fans shown in the first and second embodiments. Therefore, it is possible to easily mold the crossflow fan.
  • the widths D of the slits 23 in the direction of the rotating shaft 13 are irregularly changed as shown in Fig. 8.
  • the widths D of the slits 23 in the direction of the rotating shaft 13 are regularly changed in the direction of the rotating shaft 13, it is possible to obtain the same effect as the widths that are irregularly changed.
  • the depths H in the radius direction of the impeller 12, the lengths L in the circumferential direction, and the distances T between the adjacent slits 23 are set to be respectively identical in all of the slits 23.
  • the depths H in the radius direction of the impeller 12, the lengths L in the circumferential direction, and the distances T between the adjacent slits 23 may respectively differ.
  • the air conditioner using the crossflow fan in which at least some slits among the plurality of slits have a different depth H in a radius direction of the impeller 12 is shown.
  • an air conditioner using a crossflow fan in which at least some slits among a plurality of slits are provided with a rib is shown.
  • Fig. 9 is a perspective view of a nose of a crossflow fan according to the fourth embodiment of the invention
  • Fig. 10 is a sectional view of the nose on a surface perpendicular to the rotating shaft of the crossflow fan according to the fourth embodiment of the invention.
  • a tongue has a plurality of slits 24 arranged in the direction of the rotating shaft 13 of the impeller 12 such that the cross-section of the tongue 18 on a surface (including the rotating shaft 13 of the impeller 12) perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape.
  • the plurality of slits 24 are provided with ribs 25 which blocks leakage flow so as to bury portions of the slits 24. Further, some slits 24 among the plurality of slits 24 are formed to have a different shape, and the positions of the ribs 25 differ in the circumferential direction of the impeller 12.
  • the remaining slits 24 are formed in the same shape, and the positions of the ribs 25 are identical in the circumferential direction of the impeller 12. With the above exception, the construction and functions of the air conditioner are the same as those of the air conditioner shown in the first embodiment.
  • all of the slits 24 do not necessarily need to be formed to have a different shape, but at least some slits 24 among the plurality of slits 24 may be formed in a different shape and the positions of the ribs 25 may differ in the circumferential direction of the impeller 12. Further, all of the slits 24 may be formed to have a different shape, and the positions of the ribs 25 in the circumferential direction of the impeller 12 may differ from each other in all of the slits 24. In all of the slits 24, the depths H in the radius direction of the impeller 12, the lengths L in the circumferential direction thereof, the widths D in the direction of the rotating shaft 13, and the distances T between the adjacent slits 24 are respectively identical.
  • the tongue 18 is provided with the plurality of slits 24 such that the cross-section of the tongue 18 on a surface perpendicular to the circumferential direction of the impeller 12 is formed in a comb shape.
  • the plurality of slits 24 have the ribs 25, and the positions of the ribs 25 of at least some slits 24 differ in the circumferential direction of the impeller 12. Therefore, a pressure loss in each of the slits 24 can be changed, and a flow rate and direction of leakage flow from the discharge side (high-pressure side) A to the suction side (low-pressure side) B can be different for each position of the slits 24.
  • an interference position between leakage flow and the impeller blade 15 differs in each of the slits 24, an area coerelated with pressure fluctuation (an area of a region having synchronism) can be reduced; and noise of the crossflow fan can be reduced while efficiency is maintained.
  • water generated at the time the air conditioner is on can be held by the rib 25 as well as by surface tension of the slit 24, which makes it possible to strengthen a water-retaining force. Therefore, the accumulation of dew drops is minimized.
  • Fig. 11 is a perspective view of the nose of the crossflow fan according to the fourth embodiment of the invention.
  • the positions of the ribs 25 in the circumferential direction of the impeller 12 are irregularly changed in the direction of the rotating shaft 13, as shown in Fig. 9.
  • the positions of the ribs 25 in the circumferential direction of the impeller 12 are regularly changed in the direction of the rotating shaft 13 as shown in Fig. 11, it is possible to produce the same effect when the positions are irregularly changed.
  • Fig. 12 is a cross-sectional view of the nose on a surface perpendicular to the rotating shaft of the crossflow fan according to the fourth embodiment of the invention.
  • Fig. 13 is a sectional view of the nose of the crossflow fan according to the fourth embodiment of the invention.
  • Fig. 13A is a sectional view of the nose on a surface perpendicular to the rotating shaft of the crossflow fan according to the fourth embodiment of the invention
  • Fig. 13B is a sectional view of the nose of the crossflow fan on a surface (a surface including the rotating shaft, that is, a cross-section taken along line F-F of Fig. 13A) perpendicular to the circumferential direction of the impeller of the crossflow fan according to the fourth embodiment of the invention.
  • the ribs 25 do not need to be installed in all of the slits 24, but may be installed in only some of the slits 24. Further, when the ribs 25 are installed only in some slits 24, the respective positions, angles, and heights of the ribs 25 in the circumferential direction of the impeller 12 may be identical in the slits 24. Since only some slits 24 have the rib 25, a pressure loss can be changed by the presence or absence of the rib 25, and a flow rate and direction of leakage flow from the discharge side (high-pressure side) A to the suction side (low-pressure side) B can be different for each position of the slits 24.
  • an interference position between leakage flow and the impeller blade 15 differs for each of the slits 24, an area correlated with pressure fluctuation (an area of a region having synchronism) can be reduced, and noise of the crossflow fan can be reduced while efficiency is maintained.
  • a leakage flow rate differs in each position of the slits 24, a suction flow and a leakage flow meet each other, and the strength and position of shear disturbance of flow flowing in the impeller 12 differs in the circumferential direction of the impeller 12. Therefore, an area correlated with pressure fluctuation (an area of a region having synchronism) is reduced, which makes it possible to reduce noise. Therefore, in the crossflow fan shown in the fourth embodiment, at least some slits 24 may have the rib 25.
  • the depths H in the radius direction of the impeller 12, the lengths L in the circumferential direction, the widths D in the direction of the rotating shaft 13, and the distances T between the adjacent slits 24 are set to be respectively identical in all of the slits 24.
  • the depths H in the radius direction of the impeller 12, the lengths L in the circumferential direction, the widths D in the direction of the rotating shaft 13, and the distances T between the adjacent slits 24 may differ respectively.
EP06022505.9A 2005-10-28 2006-10-27 Ventilateur à courant transversal Active EP1780475B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005314751A JP2007120880A (ja) 2005-10-28 2005-10-28 クロスフローファン

Publications (3)

Publication Number Publication Date
EP1780475A2 true EP1780475A2 (fr) 2007-05-02
EP1780475A3 EP1780475A3 (fr) 2013-01-16
EP1780475B1 EP1780475B1 (fr) 2016-10-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06022505.9A Active EP1780475B1 (fr) 2005-10-28 2006-10-27 Ventilateur à courant transversal

Country Status (4)

Country Link
EP (1) EP1780475B1 (fr)
JP (1) JP2007120880A (fr)
CN (1) CN100462564C (fr)
ES (1) ES2604201T3 (fr)

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US20150300681A1 (en) * 2012-12-13 2015-10-22 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus
US20180112888A1 (en) * 2016-10-21 2018-04-26 Samsung Electronics Co., Ltd Air conditioner
CN113906218A (zh) * 2019-07-03 2022-01-07 极光先进雷射株式会社 激光腔和电子器件的制造方法

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JP4187032B2 (ja) * 2006-09-29 2008-11-26 ダイキン工業株式会社 空気調和機
JP5015272B2 (ja) * 2010-01-06 2012-08-29 シャープ株式会社 サーキュレータ及び微小粒子拡散装置
CN102454635A (zh) * 2010-10-26 2012-05-16 珠海格力电器股份有限公司 贯流风机
JP2014095496A (ja) * 2012-11-08 2014-05-22 Panasonic Corp 空気調和機の室内機
CN103851692A (zh) * 2012-11-28 2014-06-11 珠海格力电器股份有限公司 空调室内机
JP5950810B2 (ja) * 2012-12-13 2016-07-13 三菱電機株式会社 空気調和機の室内機
JP5716766B2 (ja) * 2013-02-12 2015-05-13 ダイキン工業株式会社 空気調和機
CN104074803B (zh) * 2013-03-26 2017-02-08 珠海格力电器股份有限公司 贯流风机及具有其的空调器
CN105971909B (zh) * 2016-05-05 2019-01-11 江苏汉威燃烧科技有限公司 贯流引风装置及贯流电器
CN105757925A (zh) * 2016-05-11 2016-07-13 广东美的制冷设备有限公司 空调器的风道组件及空调器
WO2018062540A1 (fr) * 2016-09-30 2018-04-05 ダイキン工業株式会社 Soufflante à flux transversal et unité intérieure d'un dispositif de conditionnement d'air équipé de cette dernière

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CN1955485A (zh) 2007-05-02
EP1780475B1 (fr) 2016-10-19
CN100462564C (zh) 2009-02-18
EP1780475A3 (fr) 2013-01-16
ES2604201T3 (es) 2017-03-03
JP2007120880A (ja) 2007-05-17

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