WO2014024654A1 - プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 - Google Patents
プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 Download PDFInfo
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- WO2014024654A1 WO2014024654A1 PCT/JP2013/069505 JP2013069505W WO2014024654A1 WO 2014024654 A1 WO2014024654 A1 WO 2014024654A1 JP 2013069505 W JP2013069505 W JP 2013069505W WO 2014024654 A1 WO2014024654 A1 WO 2014024654A1
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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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
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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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
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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
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/301—Cross-sectional characteristics
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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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- the present invention relates to a propeller fan, and a blower, an air conditioner, and a hot water supply outdoor unit including the same.
- Patent Document 1 discloses that the outer peripheral side of the blade cross section is formed in a concave arc shape, and the radius of curvature of the arc increases from the leading edge to the trailing edge.
- a technique for suppressing generation of a blade tip vortex by a leakage flow from the leeward side toward the windward side is disclosed.
- Patent Document 2 discloses a configuration in which the blade is tilted downstream as it goes to the trailing edge, the force acting on the air from the blade is directed inward, and the blowing air speed is made uniform to suppress noise. .
- the direction of the force acting on the airflow from the wing can be directed inward to reduce the flow leaking from the outer periphery of the wing, but the axial force at the wing outlet (rear edge) can be reduced.
- the component becomes smaller, the amount of air blown with respect to the number of rotations decreases, and the energy required for air blowing increases. That is, in the configuration of Patent Document 2, it is expected that the suppression of leakage is expected to some extent, but it is difficult to improve the air flow rate.
- the present invention has been made in view of the above, and an object of the present invention is to provide a propeller fan that can achieve both a reduction in noise by suppressing the leakage flow of airflow and an increase in efficiency by increasing the amount of blown air. .
- the present invention provides a boss including a rotation axis, a plurality of wings provided on the outer periphery of the boss, and a bell mouth arranged so as to surround the plurality of wings on the respective trailing edge sides.
- the blade has a bent portion that swells upstream in a radial cross-sectional shape, and a tangent line at the outer peripheral edge is LQ and a virtual axis orthogonal to the rotation axis O is seen in the blade cross section.
- the outer peripheral edge tangent angle ⁇ when considering a virtual surface including the position of the suction side end of the bell mouth, Assuming that the lap start point is a portion where the imaginary plane and the peripheral edge of the blade intersect, the outer peripheral edge tangent angle ⁇ on the trailing edge side of the blade cross section including the wrap start point is the wrap start point.
- the front edge side of the blade section including It is set to be smaller than the outer peripheral edge tangent angle ⁇ .
- the propeller fan of the present invention it is possible to achieve both a reduction in noise by suppressing airflow leakage and an increase in efficiency by increasing the amount of blown air.
- FIG. 4 is a radial cross-sectional view taken along line IV-IV in FIG. 3. It is radial sectional drawing of the front edge vicinity of the wing
- FIG. 8 It is a figure which shows the relationship between outer peripheral edge tangent angle (theta) and the point T of the position which goes to a rear edge from the front edge regarding Embodiment 2 of this invention. It is a figure which shows the blade cross section in T0, T1, T2, and T3. It is a figure explaining the mode of the flow which leaks to the outer side and inner side in the blade front edge vicinity. It is a figure of the same aspect as FIG. 8 regarding Embodiment 3 of this invention. It is a figure of the same aspect as FIG. 9 regarding this Embodiment 3.
- FIG. 9 It is radial sectional drawing of the blade
- FIG. 1 is a perspective view showing the propeller fan in the first embodiment as viewed from the downstream side.
- a plurality of blades 3 are installed around a boss 2 installed on the rotation axis O.
- An arrow indicated by reference numeral 4 indicates the rotation direction.
- the front edge 5 located on the front side in the rotational direction, the rear edge 6 located on the opposite side, and the outer edge in the radial direction so as to connect the front edge 5 and the rear edge 6 are located.
- An outer edge 7 is included.
- symbol 8 has shown the airflow direction.
- FIG. 2 is a diagram showing the propeller fan of FIG. 1 from the side.
- the propeller fan 1 is shown so as to project the rotation locus with respect to the plane including the rotation axis O.
- the propeller fan 1 is disposed so as to be surrounded by the annular bell mouth 9 from the outside in the radial direction. A predetermined gap is secured between the propeller fan 1 and the bell mouth 9.
- the upstream side A and the downstream side B of the propeller fan 1 are partitioned by the bell mouth 9.
- the propeller fan 1 also has a region not surrounded by the bell mouth 9.
- a virtual surface 10a having a rotation axis O as a perpendicular and when the virtual surface 10a including the position of the suction-side end 9a of the bell mouth 9 is considered, a portion where the virtual surface 10a intersects with the peripheral edge of the wing 3 Will be described as a lap start point 10.
- the wings 3 are not surrounded by the bell mouth 9 and are opened in the space on the upstream side A, rather than being surrounded by the bell mouth 9.
- FIG. 3 is a view of the propeller fan viewed from the direction of the rotation axis
- FIG. 4 is a radial cross-sectional view taken along the line IV-IV in FIG.
- the blade surface on the downstream side with respect to the airflow direction is a surface that pushes the airflow by rotating the fan and is referred to as the pressure surface 11 or the pressure surface
- the blade surface on the upstream side is referred to as the suction surface 12 on the contrary.
- each blade 3 is provided with a bent portion 13 swelled on the upstream side of the blade cross section, that is, on the suction surface 12 side.
- the vertex of the bent portion 13 is defined as P.
- the blade outer peripheral edge viewed from the blade cross section that is radially outward from the vertex P is defined as Q.
- a tangent line at the blade outer peripheral edge Q is LQ
- a virtual line perpendicular to the rotation axis O in the blade cross section is LO
- an angle formed by these two lines LQ and LO is an outer peripheral edge tangent angle ⁇ .
- the outer peripheral edge tangent angle ⁇ corresponds to the virtual line portion on the outer peripheral side from the intersection IP in the virtual line LO and the blade outer peripheral edge in the tangent LQ when the intersection of the tangent LQ and the virtual line LO is IP in FIG.
- the present embodiment is such that the outer peripheral edge tangent angle ⁇ is smaller at the rear edge part than at the front edge part, That is, one of the features is that the outer peripheral edge tangent angle ⁇ decreases toward the rear edge.
- the outer peripheral end tangent angle on the trailing edge side from the corresponding point of the lap start point One feature is that ⁇ is smaller than the outer peripheral edge tangent angle ⁇ on the front edge side than the corresponding point of the wrap start point.
- the boss diameter is about 30% of the fan diameter
- the apex P of the bent portion 13 functions to suppress the flow leaking from the outer periphery of the blade, so that the radius from the rotation axis O is about 60%. It is set at a position far away. Further, when the root of the blade cross section on the suction surface 12 side and the blade outer peripheral end Q are compared, the blade outer peripheral end is a rear inclined blade attached to the downstream side.
- FIG. 5B shows a radial cross section with respect to the line VV in FIG.
- the wing leading edge there are many things that are shaped to advance in the rotational direction toward the outer peripheral side, and as in FIG. 5A, in the radial section connecting the rotation center and the leading edge, In some cases, the entire cross section may not appear.
- the cross-sectional shape is considered in a range where the blade cross section outside the fan radius Ro is approximately 50% to 90%. That is, the “front edge portion” and “rear edge portion” described in the present specification refer to the front edge side and the rear edge side as the front edge portion and the rear edge portion in the range where the blade cross section appears as described above.
- FIGS. 6 and FIG. 7 are views of the same mode as FIG. 5, and FIG. 6B and FIG. 7B are respectively related to the VI-VI line and the VII-VII line of the corresponding (a).
- a radial section is shown. 6 is a position behind the rotational direction from FIG. 5, and FIG. 7 further shows a position behind the FIG.
- the outer peripheral edge tangent angle ⁇ a is large on the front edge side (FIG. 6) that is outside the bell mouth, and the blade surface method on the outer peripheral side from the bent portion.
- the line faces the inner peripheral side (rotation axis side), and a force 14a applied to the airflow from the wing acts on the inside. For this reason, the airflow 8in near the front edge is scraped toward the rotational axis of the fan, and a large amount of airflow is supplied downstream, that is, an increase in the amount of air flow is achieved.
- the airflow 8a flows along the blade surface without leaking from the outer periphery of the blade, and energy is supplied from the blade to the airflow. And since there is almost no leakage flow, the vortex which generate
- the outer peripheral edge tangent angle ⁇ b is smaller than the angle ⁇ a on the leading edge side, and the blade surface normal of the bent portion 13 is the axis compared to the leading edge side.
- the airflow receives a force 14b in the axial direction in order to face the direction.
- the flow 8b that flows on the blade surface and rises in energy is pushed downstream from the blade surface.
- the trailing edge side is surrounded by the bell mouth, if the air flow is retained between the fan blades, the friction between the bell mouth and the air flow increases, resulting in energy loss due to friction and increased noise due to turbulence. There is a fear.
- the airflow flowing on the pressure surface is prevented from leaking to the outer periphery by the bent portion that swells upstream at the front edge portion on the suction side, and the airflow on the blade surface Can be used to supply energy to the airflow, and the angle of the bent part becomes gentler toward the rear edge, and the normal direction of the wing surface is directed in the axial direction. Energy loss due to friction can be suppressed and the amount of air blown can be increased. Further, since the leakage flow is suppressed, turbulence of the airflow can be suppressed and noise can be reduced.
- FIG. 8 is a diagram showing the relationship between the outer peripheral edge tangent angle ⁇ and each point T at a position from the front edge toward the rear edge, in the second embodiment.
- FIG. 9 is a diagram showing blade cross sections at T0, T1, T2, and T3.
- the outer peripheral end tangent angle ⁇ is a constant value up to a certain point T1 between the front edge portion T0 and the rear edge portion T3. It decreases from the point T1 toward the trailing edge T3. In the illustrated example of FIG. 8, it decreases linearly.
- the outer peripheral edge tangent angle ⁇ is constant as ⁇ 1, and the angle ⁇ 2, the angle ⁇ 3 from the point T1 to the point T2, and the point T3 are Get smaller.
- chord length of the propeller fan is the longest on the outer peripheral side, and on the upstream side as shown in FIG. 10 (a), only a part of the blade cross section appears in the radial cross section. Is in a state of being easily leaked.
- FIG. 10 (b) which is a radial cross section with respect to the line XX, for the convenience of explanation, when viewed with a pair of wings that are relatively adjacent to each other in the rotational direction, After flowing into the wing 3a, the airflow 18a leaking inward in the radial direction can be captured again by the adjacent rear wing 3b, and an opportunity to increase the pressure again is obtained.
- the outer peripheral end tangent angle ⁇ is maintained constant up to a point T1 on the way from the front edge T0 to the downstream, Make sure that the airflow is not leaked to the outside and that the energy supply to the airflow is ensured.
- the angle ⁇ from the point T1 at the end of the constant value ⁇ 1 to the trailing edge T3 is not limited to the mode of decreasing by the straight line shown in FIG. 8, but by a smooth curve as shown by the broken line. It can also be set as the aspect to do. For example, when the pressure increase required by the fan is large, the differential pressure between the pressure surface and the suction surface increases, so that the selection is made so as to prevent the airflow leakage by gradually decreasing the angle formed. Conversely, when the differential pressure is small, a method of pushing the air flow downstream by decreasing the angle ⁇ earlier than the solid line mode described above may be selected, and an appropriate angle reduction mode may be selected according to the environment in which the fan is used. It is good to set.
- the second embodiment as in the first embodiment, it is possible to increase the amount of air flow while reducing noise, and more efficiently suppress the occurrence of leaks and vortices. can do.
- FIGS. 11 and 12 are diagrams corresponding to FIGS. 8 and 9, respectively, regarding the third embodiment.
- a point T4 in FIG. 11 is a corresponding point of the wrap start point that is the position of the blade cross section including the lap start point 10 described above.
- the outer peripheral edge tangent angle ⁇ is the leading edge point.
- the value from T0 to the corresponding point T4 of the lap start point is a constant value, and further decreases from the corresponding point T4 toward the trailing edge T3. In the illustrated example of FIG. 11, it decreases linearly.
- the outer peripheral edge tangent angle ⁇ is kept constant from the leading edge T1 to the corresponding point T4 of the lap start point to suppress airflow leakage. Then, at the point T2 and the trailing edge T3 on the downstream side from the corresponding point T4 of the wrap start point, the outer peripheral end tangent angle ⁇ is reduced to ⁇ 2 ⁇ ⁇ 3. The process of decreasing the angle is the same as that in the second embodiment.
- Such a third embodiment also provides the same advantages as the second embodiment. Furthermore, in the third embodiment, in particular, the leakage of the open area of the propeller fan 201 can also be efficiently performed. It is possible to impart a leakage suppressing effect.
- FIG. 13 is a radial cross-sectional view of a blade of a propeller fan according to the fourth embodiment.
- an outer peripheral bent portion 15 that swells downstream is provided on the outer peripheral portion of the blade 3 relative to the bent portion 13.
- the outer peripheral edge tangent angle ⁇ is the same as that in any of the first to third embodiments described above.
- the differential pressure between the pressure surface 11a and the negative pressure surface 12a in the vicinity of the outer peripheral edge 15a from the outer peripheral bent portion 15 is reduced, and a vortex (blade generated by airflow leakage from the outer peripheral portion is generated.
- the edge vortex 16) can be weakened.
- the same advantages as in the first embodiment are obtained. Furthermore, in the fourth embodiment, the airflow leaks in consideration of the state after the airflow leaks. By avoiding a strong vortex in some cases, noise reduction can be further promoted.
- Embodiment 5 a fifth embodiment of the present invention will be described.
- the propeller fan of the above-described embodiment relates to high efficiency and low noise of the propeller fan. If this propeller fan is mounted on a blower, highly efficient air flow, that is, an increase in the amount of air flow can be achieved. If installed in an air conditioner or hot water supply outdoor unit that is a refrigeration cycle device composed of a heat exchanger, etc., it is possible to increase the amount of air passing through the heat exchanger by high-efficiency air blowing, and realize energy saving of equipment. be able to.
- the configuration other than the propeller fan is not particularly limited.
- the configuration may be configured in a known or existing manner.
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Abstract
Description
図1は、実施の形態1におけるプロペラファンを下流側からみた向きで示す斜視図である。プロペラファン1においては、回転軸線Oに設置されたボス2の周りに複数の翼3が設置されている。符号4で示す矢印は、回転方向を示している。翼3それぞれの周縁には、回転方向前方側に位置する前縁5と、その逆側に位置する後縁6と、それら前縁5及び後縁6を結ぶように半径方向の外側に位置する外側縁7とが含まれている。また、符号8で示す矢印は、気流方向を示している。
次に、図8及び図9を用いて本発明の実施の形態2について説明する。図8は、本実施の形態2に関し、外周端接線角度θと、前縁から後縁に向かう位置の各点Tとの関係を示す図である。図9は、T0、T1、T2、T3における翼断面を示す図である。
次に、図11及び図12を用いて本発明の実施の形態3について説明する。図11及び図12はそれぞれ、本実施の形態3に関する、図8及び図9に対応する図である。図11における点T4は、前述したラップ開始点10を含む翼断面の位置であるラップ開始点の対応点であり、本実施の形態3のプロペラファン201では、外周端接線角度θが前縁点T0からラップ開始点の対応点T4までは、一定値であり、さらに対応点T4から後縁部T3に向かって減少する。図11の図示例では、直線的に減少する。
次に、図13を用いて本発明の実施の形態4について説明する。図13は、本実施の形態4に係るプロペラファンの翼の半径断面図である。図13に示されるように、本実施の形態4のプロペラファン301では、翼3における屈曲部13よりも外周部に、下流側に膨らむ外周折り曲げ部15が設けられている。なお、本実施の形態4においても、外周端接線角度θに関しては、上述した実施の形態1乃至3の何れかと同様であるものとする。
次に、本発明の実施の形態5について説明する。本実施の形態5として、上述したプロペラファンの具体的適用を示す。上述した実施の形態のプロペラファンは、プロペラファンの高効率化及び低騒音化に関するものであるが、このプロペラファンを送風機に搭載すれば、高効率な送風すなわち送風量増加が可能となり、圧縮機や熱交換器などで構成される冷凍サイクル装置である空気調和機、給湯用室外機に搭載すれば、やはり高効率な送風により熱交換器通過風量を稼ぐことができ、機器の省エネを実現することができる。なお、そのような送風機、空気調和機及び給湯用室外機の何れにもおいても、プロペラファン以外の構成については、特に限定はなく、例えば周知・既存の態様に構成されていてもよい。
Claims (8)
- 回転軸線を含むボスと、前記ボスの外周に設けられた複数の翼と、前記複数の翼をそれぞれの後縁側で囲むように配置されたベルマウスとを有するプロペラファンであって、
前記翼は、半径方向断面形状において、上流側に膨らむ屈曲部を有し、
翼断面でみて、前記外周端における接線をLQとし、回転軸線Oと直交する仮想線をLOとし、それら接線LQと仮想線LOとが相互になす角度を外周端接線角度θとし、前記ベルマウスの吸込み側の端部の位置を含む仮想面を考えた場合に、この仮想面と該翼の周縁とが交差する部位を、ラップ開始点とすると、該ラップ開始点を含む翼断面よりも後縁部側の前記外周端接線角度θのほうが、該ラップ開始点を含む翼断面よりも前縁部側の前記外周端接線角度θに比べて小さい、
プロペラファン。 - 前記外周端接線角度θは、前縁部とその後方の任意点との間では一定であり、当該任意点と後縁部との間では減少する、
請求項1のプロペラファン。 - 前記任意点は、前記ラップ開始点を含む翼断面にある、
請求項2のプロペラファン。 - 前記翼は、前記屈曲部よりも外周部に、下流側に膨らむ外周折り曲げ部が設けられている、
請求項1乃至3の何れか一項のプロペラファン。 - 前記翼は、半径方向断面において、外側縁が前記ボス側の付け根よりも前記回転軸線でいう下流側に位置する後傾翼である、
請求項1乃至4の何れか一項のプロペラファン。 - 請求項1乃至5の何れか一項のプロペラファンを備えた送風機。
- 請求項1乃至5の何れか一項のプロペラファンを備えた空気調和機。
- 請求項1乃至5の何れか一項のプロペラファンを備えた給湯用室外機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13828647.1A EP2884114B1 (en) | 2012-08-10 | 2013-07-18 | Propeller fan, and fan, air conditioner and outdoor unit for supplying hot water provided with same |
CN201380042389.XA CN104520593B (zh) | 2012-08-10 | 2013-07-18 | 螺旋桨式风扇和具备该风扇的送风机、空调机、室外机及热水供给器用室外机 |
US14/417,894 US10047764B2 (en) | 2012-08-10 | 2013-07-18 | Propeller fan, and air blower, air conditioner, and hot-water supply outdoor unit including the same |
JP2014529407A JP5933721B2 (ja) | 2012-08-10 | 2013-07-18 | プロペラファン、プロペラファンを備えた送風機、プロペラファンを備えた空気調和機、プロペラファンを備えた室外機、および、プロペラファンを備えた給湯器用室外機 |
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Application Number | Priority Date | Filing Date | Title |
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JPPCT/JP2012/070507 | 2012-08-10 | ||
PCT/JP2012/070507 WO2014024305A1 (ja) | 2012-08-10 | 2012-08-10 | プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 |
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WO2014024654A1 true WO2014024654A1 (ja) | 2014-02-13 |
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PCT/JP2012/070507 WO2014024305A1 (ja) | 2012-08-10 | 2012-08-10 | プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 |
PCT/JP2013/069505 WO2014024654A1 (ja) | 2012-08-10 | 2013-07-18 | プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 |
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PCT/JP2012/070507 WO2014024305A1 (ja) | 2012-08-10 | 2012-08-10 | プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 |
Country Status (5)
Country | Link |
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US (1) | US10047764B2 (ja) |
EP (1) | EP2884114B1 (ja) |
JP (1) | JP5933721B2 (ja) |
CN (1) | CN104520593B (ja) |
WO (2) | WO2014024305A1 (ja) |
Cited By (5)
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EP3301305A1 (en) * | 2016-09-29 | 2018-04-04 | Sanyo Denki Co., Ltd. | Reversible flow fan |
US20190040873A1 (en) * | 2016-02-24 | 2019-02-07 | Mitsubishi Electric Corporation | Air-sending device and air-conditioning apparatus using the same |
JPWO2019069374A1 (ja) * | 2017-10-03 | 2020-02-06 | 三菱電機株式会社 | プロペラファンおよび軸流送風機 |
CN113167290A (zh) * | 2018-12-26 | 2021-07-23 | 三菱电机株式会社 | 叶轮、送风机以及空调机 |
WO2022191034A1 (ja) * | 2021-03-12 | 2022-09-15 | ダイキン工業株式会社 | プロペラファンおよび冷凍装置 |
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WO2014010058A1 (ja) * | 2012-07-12 | 2014-01-16 | 三菱電機株式会社 | プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機 |
CN107847630B (zh) | 2015-07-07 | 2021-01-29 | 普拉克兰兹有限责任公司 | 光催化净化剂的反应芯系统 |
FR3078116B1 (fr) * | 2018-02-22 | 2021-09-10 | Ksb Sas | Pompe a doigt |
CN114641619A (zh) * | 2019-11-12 | 2022-06-17 | 三菱电机株式会社 | 轴流风扇、送风装置及制冷循环装置 |
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US20190040873A1 (en) * | 2016-02-24 | 2019-02-07 | Mitsubishi Electric Corporation | Air-sending device and air-conditioning apparatus using the same |
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JP2022140336A (ja) * | 2021-03-12 | 2022-09-26 | ダイキン工業株式会社 | プロペラファンおよび冷凍装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2884114B1 (en) | 2018-08-22 |
WO2014024305A1 (ja) | 2014-02-13 |
CN104520593B (zh) | 2016-08-17 |
US20150176597A1 (en) | 2015-06-25 |
EP2884114A1 (en) | 2015-06-17 |
EP2884114A4 (en) | 2016-03-09 |
CN104520593A (zh) | 2015-04-15 |
JPWO2014024654A1 (ja) | 2016-07-25 |
JP5933721B2 (ja) | 2016-06-15 |
US10047764B2 (en) | 2018-08-14 |
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