WO2015104837A1 - ファン、遠心ファン及び空気調和装置 - Google Patents
ファン、遠心ファン及び空気調和装置 Download PDFInfo
- Publication number
- WO2015104837A1 WO2015104837A1 PCT/JP2014/050336 JP2014050336W WO2015104837A1 WO 2015104837 A1 WO2015104837 A1 WO 2015104837A1 JP 2014050336 W JP2014050336 W JP 2014050336W WO 2015104837 A1 WO2015104837 A1 WO 2015104837A1
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- Prior art keywords
- blade
- support member
- shroud
- blades
- fan
- Prior art date
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Classifications
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- 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
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- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/52—Translucence
Definitions
- the present invention relates to a fan and an air conditioner equipped with the fan.
- Patent Document 1 discloses a centrifugal fan provided in a ceiling-embedded air conditioner.
- This centrifugal fan includes a main plate, a side plate, and a plurality of blades.
- the main plate is separated from the side plate in the fan rotation axis direction, and a plurality of blades are provided between the main plate and the side plate.
- Each of the plurality of blades has one end surface connected to the main plate and the other end surface connected to the side plate, but in any of the plurality of blades, a suitable connection state between the main plate or the side plate is provided. I want to keep it.
- the present invention has been made in view of the above, and an object of the present invention is to provide a fan and an air conditioner that can easily check a connection state between a plurality of blades and a blade support member.
- a fan of the present invention is a fan including a first support member, a second support member, and a plurality of blades, wherein the first support member and the second support member are provided. Is separated in the direction of the rotation axis of the fan, and the plurality of blades are provided between the first support member and the second support member, and the plurality of blades are the first blades. At least one of the support member and the second support member is welded, and at least one of the first support member and the second support member is a member having a visible light transmittance of 30% or more.
- the blade may be a member having a visible light transmittance of less than 30%.
- each of the blades may be welded to the corresponding first support member and second support member at the suction surface side at both ends of the blade.
- the first support member is a shroud
- the second support member is a main plate
- the shroud is formed with a plurality of receiving portions.
- Each of the blades protrudes away from the main plate and has a recess inside the receiving portion, and one end of each of the blades is fitted into the recess of the receiving portion corresponding to the shroud, and the one end
- a centrifugal fan in which the negative pressure surface side is welded to the bottom surface of the corresponding recess may be used.
- the receiving portion has a first step portion, a second step portion, and a slope portion, and the depth of the first step portion is deeper than the depth of the second step portion,
- the slope portion may be located between the first step portion and the second step portion, and may extend obliquely with respect to a direction in which the first step portion and the second step portion extend.
- a first round portion is formed on one end side of the blade to be welded to the shroud on the pressure surface of the blade, and on one end side of the blade to be welded to the shroud on the suction surface of the blade,
- a second round portion may be formed, and R1> R2 may be satisfied, where R1 is a radius of curvature of the first round portion and R2 is a radius of curvature of the second round portion.
- a third round portion is formed on the front edge side of the pressure surface of the blade, a fourth round portion is formed on the front edge side of the suction surface of the blade, and the curvature radius of the third round portion is R3.
- R4 radius of curvature of the fourth round part
- R3> R4 may be satisfied.
- the air conditioning apparatus of the present invention that achieves the same object includes a heat exchanger and a fan, and the fan is the above-described fan or centrifugal fan of the present invention.
- connection state between the plurality of blades and the blade support member can be easily confirmed.
- FIG. 1 is a perspective view of a centrifugal fan according to a first embodiment. It is a figure when the one blade
- FIG. 5 is a sectional view taken along line VV in FIG. 3. It is a perspective view of one blade
- FIG. 8 is an enlarged view of a Y part in FIG. 7.
- FIG. 4 is an enlarged view of a Z portion in FIG. 3. It is a perspective view of the crossflow fan which concerns on Embodiment 2 of this invention.
- FIG. 1 is a schematic diagram showing the internal structure of the air-conditioning apparatus according to Embodiment 1 of the present invention from the side. More specifically, the air conditioner according to the first embodiment is a so-called indoor unit of a packaged air conditioner. FIG. 1 shows that most of the air conditioner is embedded in the ceiling of the room and the lower part of the main body is the room. The state facing the interior of the room is shown.
- the air conditioner 100 includes a case 1 embedded in a ceiling 15a of a space to be air-conditioned (in the room 15).
- the case 1 is an example, but is generally formed in a rectangular parallelepiped shape.
- the case 1 includes an upper surface portion 1a, a side surface portion 1b, and a decorative panel 2 that is a lower surface portion.
- the side surface portion 1b has a rectangular shape in plan view and is formed in a cylindrical shape extending vertically.
- the upper portion of the side surface portion 1b is closed by the upper surface portion 1a, and the decorative panel 2 is provided below the side surface portion 1b. Yes.
- the case 1 is generally formed in a box shape by the upper surface portion 1a, the side surface portion 1b, and the decorative panel 2.
- a suction port 2a is provided in the center of the decorative panel 2, and around the suction port 2a in the decorative panel 2, four outlets 2b are provided corresponding to the four surfaces of the side surface portion 1b.
- a centrifugal fan 3, a fan motor 4, a bell mouth 5, and a heat exchanger 6 are accommodated.
- the centrifugal fan 3 creates a flow of air that is sucked into the case 1 from the suction port 2a and blown out from the blowout port 2b to the target space.
- the heat exchanger 6 is disposed in such an air flow path and adjusts the temperature of the air. Note that the configurations and modes of the bell mouth 5 and the heat exchanger 6 are not particularly limited, and well-known ones are used in the first embodiment.
- FIG. 3 is a view when one blade periphery is viewed from the direction of arrow III in FIG.
- FIG. 4 is a view when one blade periphery is viewed from the direction of arrow IV in FIG.
- FIG. 5 is a sectional view taken along line VV in FIG.
- FIG. 6 is a perspective view of the periphery of one blade.
- FIG. 7 is a view showing the connection portion between the shroud and the blade in the direction of the cross section of FIG. 5.
- FIG. 8 is a diagram schematically showing the shape relationship of the welded portion between the shroud and the blades, shown from the direction of arrow VIII in FIG.
- FIG. 8 is a figure for the purpose of showing the relationship of the shape of a shroud and a blade to the last, giving priority to the easiness of a figure, and the clearance gap (the presence or absence of a clearance gap, and the magnitude
- the thickness of the shroud, the shape of the connecting slope of the shroud, and the like do not indicate an actual state.
- the centrifugal fan 3 includes a shroud 51 as a first support member, a main plate 53 as a second support member, and a plurality of blades 55.
- the shroud 51 and the main plate 53 are separated from each other in the direction of the rotation axis X of the centrifugal fan 3.
- the plurality of blades 55 are provided between the shroud 51 and the main plate 53.
- a plurality of corresponding blades 55 are welded to each of the shroud 51 and the main plate 53.
- Laser welding is used for welding the blades 55 to the corresponding shroud 51 or main plate 53.
- it is not limited to laser welding, As another example, ultrasonic welding can also be used.
- Each of the blades 55 has at least one hollow portion inside, and is made by integral molding or a combination of a plurality of parts.
- Each of the blades 55 has a front edge 55a positioned radially inward of the rear edge 55b.
- the main plate 53 has a disk shape.
- the shroud 51 has an annular shape in plan view.
- the shroud 51 has a curved surface that is recessed upstream and radially outward of the flow of air sucked into the centrifugal fan 3, as shown in the longitudinal sections of FIGS.
- one end of the blade 55 in the rotation axis direction is welded to the shroud 51. More specifically, as shown in FIG. 6, a plurality of receiving portions 61 that are the same number as the plurality of blades 55 are formed on the curved surface of the shroud 51.
- the receiving part 61 protrudes in a direction away from the main plate 53 and has substantially the same thickness. Accordingly, the receiving portion 61 has a dent that is substantially similar to the shape protruding in the direction away from the main plate 53 on the main plate 53 side (blade 55 side).
- One end of the corresponding blade 55 is fitted into this recess.
- the receiving part 61 protrudes in two stages, and has a first step part 61a and a second step part 61b.
- the first step portion 61 a is located on the front edge 55 a side of the blade 55
- the second step portion 61 b is located on the rear edge 55 b side of the blade 55.
- the depth of the recess on the inner side (main plate side) of the first step portion 61a is deeper than the depth of the recess on the inner side (main plate side) of the second step portion 61b.
- the first step portion 61 a and the second step portion 61 b are flat surfaces (a plane having the rotation axis X of the centrifugal fan 3 as a perpendicular line) extending substantially parallel to the main plate 53.
- the receiving part 61 has the connection slope part 61c between the 1st step part 61a and the 2nd step part 61b.
- the connection slope portion 61c connects the first step portion 61a and the second step portion 61b having different protrusion heights, and extends obliquely with respect to the extending direction of the first step portion 61a and the second step portion 61b.
- the receiving part 61 has the substantially same thickness, the inside of the receiving part 61 (the main plate 53 side and the blade
- the first end surface 71 and the second end portion of the blade 55 correspond to the first step portion 61 a and the second step portion 61 b of the receiving portion 61 at one end (end portion on the shroud 51 side) of the blade 55.
- Two end surfaces 73 are provided.
- the first end surface 71 is located on the front edge 55 a side of the blade 55, and the second end surface 73 is located on the rear edge 55 b side of the blade 55.
- the first end surface 71 is farther from the main plate 53 than the second end surface 73.
- the first end surface 71 and the second end surface 73 are flat surfaces (a plane having the rotation axis X of the centrifugal fan 3 as a perpendicular) extending substantially parallel to the main plate 53.
- the blade 55 has a rising portion 75 between the first end surface 71 and the second end surface 73.
- the rising portion 75 extends substantially along the direction of the rotation axis X of the centrifugal fan 3 and connects the first end surface 71 and the second end surface 73.
- the blade 55 and the shroud 51 configured as described above are formed by the first end surface 71 of the blade 55 and the inner side of the first step portion 61 a of the shroud 51 (the bottom surface seen in the recess).
- the space between the second end surface 73 of the blade 55 and the inner side of the second step portion 61b of the shroud 51 are welded. More specifically, as shown in FIG. 3, in view of the relationship between the pressure surface 81 and the suction surface 83 of the blade 55, the suction surface 83 side of one end of the blade 55 (the rotation axis X of the centrifugal fan 3 in the blade 55).
- FIG. 9 is an enlarged view of a Y portion in FIG. 7, and FIG. 10 is an enlarged view of a Z portion in FIG.
- a first round portion 85 is formed on the first end surface 71 side and the second end surface 73 of the positive pressure surface 81 of the blade 55.
- a second round portion 87 is also formed on the first end surface 71 side and the second end surface 73 side of the blade 55.
- a third round portion 91 is formed on the front edge 55 a side of the pressure surface 81 of the blade 55.
- a fourth round portion 93 is formed on the front edge 55 a side of the negative pressure surface 83 of the blade 55.
- the provision of the round portions 85 and 93 having a larger radius of curvature than the suction surface 83 side on the pressure surface 81 side of the blade 55 can provide a configuration with less air resistance.
- the other end of the blade 55 in the rotation axis direction is welded to the main plate 53. More specifically, a plurality of recesses having the same number as the plurality of blades 55 are formed on the inner surface of the main plate 53 (surface on the shroud 51 side), and the other end of the blades 55 is fitted into the recesses. Welded.
- the recess on the inner surface of the main plate 53 is only slightly recessed. Further, the bottom surface of the recess on the inner surface of the main plate 53 and the other end of the blade 55 are both flat surfaces extending substantially parallel to the main plate 53 (a plane having the rotation axis X of the centrifugal fan 3 as a perpendicular line). .
- the blade 55 and the main plate 53 have a negative pressure surface 83 side (the rotation of the centrifugal fan 3 at the blade 55) at the other end of the blade 55 as viewed from the relationship between the pressure surface 81 and the negative pressure surface 83 of the blade 55. Only the side closer to the axis X) is welded to the bottom of the recess on the inner surface of the main plate 53.
- the blades are welded to the corresponding shroud 51 and main plate 53 at the suction surface side of each end (one end and the other end) of the blade.
- the shroud 51 and the main plate 53 are both made of a member having a visible light transmittance of 30% or more (for example, a resin having a visible light transmittance of 30% or more).
- a resin having a visible light transmittance of 30% or more for example, a resin having a visible light transmittance of 30% or more.
- the blade 55 is made of a member having a lower visible light transmittance than each of the shroud 51 and the main plate 53, or made of a member having a visible light transmittance of less than 30%.
- at least one of the first support member and the second support member is made of a member having a laser beam transmittance of 50% or more.
- the blade support member is a member having a visible light transmittance of 30% or more, a plurality of blades are connected to the blade support member. After welding, whether or not the blades are welded properly (whether there is a connection failure or the like) can be easily and reliably determined by appearance observation. More specifically, fan assembly abnormality, contamination of foreign matters on the adhesive surface, confirmation of blade welding state (gasification phenomenon (heat of blade support member with relatively high laser beam transmittance is transmitted through laser beam) Without proper heat transfer to the lower blade side where the rate is relatively high, it is possible to determine the phenomenon of foaming due to excessively high temperature) and the identification of the welding width) by visual observation. In the case of a centrifugal fan, it is possible to observe the appearance of a fan motor / wiring installation failure or the presence of foreign matter on the back side of the main plate when installed in an air conditioner.
- the blades are welded to the blade support member on the suction surface side of the blade ends, the blade support member and the blade even if centrifugal force due to the rotation of the fan acts on the blade. Since no gap is generated at the connection portion on the negative pressure surface side, noise caused by airflow passing through the gap can be prevented.
- wing is engage
- the welding surface face the surface with the rotation axis direction of the centrifugal fan as a perpendicular line, the degree of adhesion of the contact surface between the blade support member and the blade is improved, and poor welding can be reduced.
- the shroud receiving portion has a first step portion and a second step portion protruding in two steps, and the connection extends obliquely with respect to the direction in which the first step portion and the second step portion extend. Since it has an inclined surface portion, there is no abrupt step in the protruding receiving portion, so that noise due to separation of airflow generated at the step can be reduced.
- FIG. 11 is a perspective view of the crossflow fan according to the second embodiment.
- the cross flow fan 203 includes a plurality of blade support members 253 that are arranged apart from each other in the direction of the rotation axis X of the fan, and a plurality of corresponding blades 255 that are welded between the two corresponding blade support members. Yes. And at least one part (or all) of the plurality of blade support members 253 is a member having a visible light transmittance of 30% or more.
- the one or more blades 255 welded to the blade support member 253 that is a member having a visible light transmittance of 30% or more are made of a member having a lower visible light transmittance than the blade support member 253, or It is made of a member having a visible light transmittance of less than 30%.
- the present invention can be widely used not only for indoor units constituting a refrigeration cycle apparatus, for example, indoor units for air conditioners, but also for various devices and facilities where a blower is installed.
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- Engineering & Computer Science (AREA)
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Abstract
Description
前記羽根は、可視光線透過率が30パーセント未満の部材であってもよい。
前記羽根はそれぞれ、該羽根の両端のそれぞれ負圧面側が、対応する前記第1支持部材及び前記第2支持部材に、溶着されていてもよい。
本発明は、上記のファンにおいて、前記第1支持部材は、シュラウドであり、前記第2支持部材は、主板であり、前記シュラウドには、複数の受け入れ部が形成されており、前記受け入れ部はそれぞれ、前記主板と離れる向きに突出すると共に、該受け入れ部の内側に凹みを有しており、前記羽根のそれぞれの一端は、前記シュラウドの対応する前記受け入れ部の前記凹みに嵌め込まれ、該一端の負圧面側が、対応する前記凹みの底面に溶着される、遠心ファンであってもよい。
前記受け入れ部は、第1段部と、第2段部と、斜面部とを有しており、前記第1段部の凹み深さは、前記第2段部の凹み深さよりも深く、前記斜面部は、前記第1段部と前記第2段部との間に位置しており、前記第1段部及び前記第2段部が延びる方向に対して斜めに延びていてもよい。
前記羽根の正圧面において、前記シュラウドに溶着される前記羽根の一端側には、第1ラウンド部が形成され、前記羽根の負圧面において、前記シュラウドに溶着される前記羽根の一端側には、第2ラウンド部が形成されており、前記第1ラウンド部の湾曲半径をR1とし、前記第2ラウンド部の湾曲半径をR2としたとき、R1>R2となっていてもよい。
前記羽根の正圧面の前縁側には、第3ラウンド部が形成され、前記羽根の負圧面の前縁側には、第4ラウンド部が形成されており、前記第3ラウンド部の湾曲半径をR3とし、前記第4ラウンド部の湾曲半径をR4としたとき、R3>R4となっていてもよい。
また、同目的を達成する本発明の空気調和装置は、熱交換器と、ファンとを備えており、当該ファンは、上述した本発明のファンまたは遠心ファンである。
図1は、本発明の実施の形態1に係る空気調和装置の内部構造を側方から示す模式図である。より詳細には、本実施の形態1に係る空気調和装置は、いわゆるパッケージエアコンの室内機であり、図1は、空気調和装置の大部分が部屋の天井裏に埋設され、本体の下部が部屋の室内に面した状態を示している。
次に、図11に基づいて、本発明の実施の形態2について説明する。図11は、本実施の形態2に係るクロスフローファンの斜視図である。
Claims (8)
- 第1支持部材と、第2支持部材と、複数の羽根とを備えたファンであって、
前記第1支持部材と、前記第2支持部材とは、該ファンの回転軸方向に離れており、
前記複数の羽根は、前記第1支持部材と、前記第2支持部材との間に設けられており、
前記複数の羽根は、前記第1支持部材及び前記第2支持部材の少なくとも一方に溶着されており、
前記第1支持部材及び前記第2支持部材の前記少なくとも一方は、可視光線透過率が30パーセント以上の部材である、
ファン。 - 前記羽根は、可視光線透過率が30パーセント未満の部材である、
請求項1のファン。 - 前記羽根はそれぞれ、該羽根の両端のそれぞれ負圧面側が、前記第1支持部材及び前記第2支持部材に、溶着されている、
請求項1又は2のファン。 - 請求項1又は2のファンにおいて、
前記第1支持部材は、シュラウドであり、前記第2支持部材は、主板であり、
前記シュラウドには、複数の受け入れ部が形成されており、
前記受け入れ部はそれぞれ、前記主板と離れる向きに突出すると共に、該受け入れ部の内側に凹みを有しており、
前記羽根のそれぞれの一端は、前記シュラウドの対応する前記受け入れ部の前記凹みに嵌め込まれ、該一端の負圧面側が、対応する前記凹みの底面に溶着される、
遠心ファン。 - 前記受け入れ部は、第1段部と、第2段部と、斜面部とを有しており、
前記第1段部の凹み深さは、前記第2段部の凹み深さよりも深く、
前記斜面部は、前記第1段部と前記第2段部との間に位置しており、前記第1段部及び前記第2段部が延びる方向に対して斜めに延びている、
請求項4の遠心ファン。 - 前記羽根の正圧面において、前記シュラウドに溶着される前記羽根の一端側には、第1ラウンド部が形成され、
前記羽根の負圧面において、前記シュラウドに溶着される前記羽根の一端側には、第2ラウンド部が形成されており、
前記第1ラウンド部の湾曲半径をR1とし、前記第2ラウンド部の湾曲半径をR2としたとき、R1>R2となる、
請求項4又は5の遠心ファン。 - 前記羽根の正圧面の前縁側には、第3ラウンド部が形成され、
前記羽根の負圧面の前縁側には、第4ラウンド部が形成されており、
前記第3ラウンド部の湾曲半径をR3とし、前記第4ラウンド部の湾曲半径をR4としたとき、R3>R4となる、
請求項4~6の何れか一項の遠心ファン。 - 熱交換器と、
請求項1~3の何れか一項のファン又は請求項4~7の何れか一項の遠心ファンとを備えた、
空気調和装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14877753.5A EP3093499B1 (en) | 2014-01-10 | 2014-01-10 | Fan, centrifugal fan, and air conditioning device |
PCT/JP2014/050336 WO2015104837A1 (ja) | 2014-01-10 | 2014-01-10 | ファン、遠心ファン及び空気調和装置 |
JP2015556694A JP6203293B2 (ja) | 2014-01-10 | 2014-01-10 | ファン、遠心ファン及び空気調和装置 |
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PCT/JP2014/050336 WO2015104837A1 (ja) | 2014-01-10 | 2014-01-10 | ファン、遠心ファン及び空気調和装置 |
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WO2015104837A1 true WO2015104837A1 (ja) | 2015-07-16 |
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PCT/JP2014/050336 WO2015104837A1 (ja) | 2014-01-10 | 2014-01-10 | ファン、遠心ファン及び空気調和装置 |
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JP (1) | JP6203293B2 (ja) |
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WO2023135775A1 (ja) * | 2022-01-17 | 2023-07-20 | 三菱電機株式会社 | 羽根車、遠心送風機、および室内機 |
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KR20220033358A (ko) * | 2020-09-09 | 2022-03-16 | 삼성전자주식회사 | 팬, 팬을 갖는 공기조화기 및 팬의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005088355A (ja) * | 2003-09-17 | 2005-04-07 | Toyoda Mach Works Ltd | 樹脂材のレーザ溶着装置 |
JP2005155510A (ja) | 2003-11-27 | 2005-06-16 | Daikin Ind Ltd | 遠心送風機の羽根車及びそれを備えた遠心送風機 |
JP2009257132A (ja) * | 2008-04-14 | 2009-11-05 | Fujitsu General Ltd | ターボファン |
JP2010216486A (ja) * | 2005-10-06 | 2010-09-30 | Mitsubishi Electric Corp | ターボファン、空気調和機 |
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- 2014-01-10 JP JP2015556694A patent/JP6203293B2/ja active Active
- 2014-01-10 EP EP14877753.5A patent/EP3093499B1/en active Active
- 2014-01-10 WO PCT/JP2014/050336 patent/WO2015104837A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005088355A (ja) * | 2003-09-17 | 2005-04-07 | Toyoda Mach Works Ltd | 樹脂材のレーザ溶着装置 |
JP2005155510A (ja) | 2003-11-27 | 2005-06-16 | Daikin Ind Ltd | 遠心送風機の羽根車及びそれを備えた遠心送風機 |
JP4432474B2 (ja) * | 2003-11-27 | 2010-03-17 | ダイキン工業株式会社 | 遠心送風機の羽根車及びそれを備えた遠心送風機 |
JP2010216486A (ja) * | 2005-10-06 | 2010-09-30 | Mitsubishi Electric Corp | ターボファン、空気調和機 |
JP2009257132A (ja) * | 2008-04-14 | 2009-11-05 | Fujitsu General Ltd | ターボファン |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023135775A1 (ja) * | 2022-01-17 | 2023-07-20 | 三菱電機株式会社 | 羽根車、遠心送風機、および室内機 |
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JP6203293B2 (ja) | 2017-09-27 |
EP3093499B1 (en) | 2020-06-03 |
JPWO2015104837A1 (ja) | 2017-03-23 |
EP3093499A1 (en) | 2016-11-16 |
EP3093499A4 (en) | 2017-11-15 |
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