TW201831776A - Fluid-driven power device characterized in that the guide vanes can rectify the fluid to prevent the turbulence formed by the output fluid from interfering with the rotation of the power device - Google Patents

Fluid-driven power device characterized in that the guide vanes can rectify the fluid to prevent the turbulence formed by the output fluid from interfering with the rotation of the power device Download PDF

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TW201831776A
TW201831776A TW106104902A TW106104902A TW201831776A TW 201831776 A TW201831776 A TW 201831776A TW 106104902 A TW106104902 A TW 106104902A TW 106104902 A TW106104902 A TW 106104902A TW 201831776 A TW201831776 A TW 201831776A
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fluid
power device
deflectors
driven power
central axis
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TW106104902A
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Chinese (zh)
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TWI649494B (en
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黃重景
黃錦穎
黃信銘
黃信雄
葉嚴仁
陳維隆
林冠州
羅堂元
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關隆股份有限公司
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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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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Abstract

Disclosed is a fluid-driven power device including two mounting plates and a plurality of guide vanes. Wherein, the two mounting plates are separated from each other by a certain distance, and the inner sides of the two mounting plates face each other. The two mounting plates respectively define a center that allows a central axis to go therethrough. The guide vanes are located between the two mounting plates and surround the central axis. Two combining ends of each guide vane are respectively combined with the inner sides of the two mounting plates. Wherein, each one of the guide vanes is helically twisted, and the twist angle is symmetrically changed from the central portion between the two combining ends of each guide vane toward the direction of the two combining ends. Therefore, the guide vanes can rectify the fluid to prevent the turbulence formed by the output fluid from interfering with the rotation of the power device, so that the rotation speed and the efficiency of the power device can be further promoted.

Description

流體驅動之動力裝置Fluid-driven power unit

本發明係與動力產生有關；特別是指一種流體驅動之動力裝置。The invention relates to power generation; in particular, it refers to a fluid-driven power device.

動力裝置係受流體（如氣流或液流）所驅動，常見的是應用於風力發電或水力發電。以風力發電為例，目前風力發電的動力裝置可分為水平軸式與垂直軸式兩種，水平軸式的動力裝置其轉軸係與風向平行，其優點在於，在高風速時轉軸轉動快速，因此其所應用的發電裝置的發電效率較高；缺點在於，噪音大、啟動風速高、需安裝在空曠無遮蔽物之地點（如海邊）、必須隨著風向變化而調整動力裝置之葉片的位置，因此必須至少加上尾舵和轉向機構才能運作。垂直軸式的動力裝置其轉軸係與風向垂直，其優點在於，所佔空間小、啟動風速相對較低、不必遷就風向、可安裝在任何地點（包括都會區及郊區）、施工或運轉較安全；缺點在於，轉軸轉動速度慢、葉片轉速較低（翼尖風速比≤1），且因轉速低不利於發電。Power plants are driven by fluids, such as air or liquid, and are commonly used in wind or hydropower. Taking wind power generation as an example, the current wind power generation device can be divided into two types: horizontal axis type and vertical axis type. The horizontal axis type power device has a rotating shaft system parallel to the wind direction. The advantage is that the rotating shaft rotates quickly at high wind speeds. Therefore, the power generation device used by it has high power generation efficiency; the disadvantages are that the noise is high, the starting wind speed is high, and it needs to be installed in an open and unobstructed place (such as the seaside). The position of the blades of the power device must be adjusted as the wind direction changes. , So at least the rudder and steering must be added to operate. The vertical axis power unit has a rotating shaft system that is perpendicular to the wind direction. Its advantages are small space occupation, relatively low starting wind speed, no need to adjust the wind direction, installation in any place (including metropolitan areas and suburbs), and safer construction or operation The disadvantage is that the rotation speed of the rotating shaft is slow, the blade rotation speed is low (wing tip wind speed ratio ≤ 1), and the low rotation speed is not conducive to power generation.

然，無論是水平軸式或垂直軸式的動力裝置，其葉片轉動時，將會產生紊流（turbulence），紊流會干擾葉片轉動，使得動力裝置的轉速無法有效提升。此外，紊流亦會造成動力裝置振動及產生噪音。However, whether it is a horizontal-axis or vertical-axis power device, when the blades rotate, turbulence will be generated, and the turbulence will interfere with the blade rotation, so that the speed of the power device cannot be effectively increased. In addition, turbulence can also cause vibration and noise in power plants.

有鑑於此，本發明之目的在於提供一種流體驅動之動力裝置，可抑制紊流，有效提升運用流體之效率。In view of this, an object of the present invention is to provide a fluid-driven power device that can suppress turbulence and effectively improve the efficiency of using fluids.

緣以達成上述目的，本發明提供的一種流體驅動之動力裝置包括有二固定板與複數個導流片，其中，各該固定板具有一內側面，該二固定板彼此相隔一距離且該二內側面相面對；該二固定板上定義有一中心軸線通過該二內側面的中心；該些導流片位於該二固定板之間且環繞該中心軸線；各該導流片具有相對的二結合端，該二結合端分別結合於該二固定板的內側面；其中，各該導流片呈螺旋狀扭轉，且扭轉角係由各該導流片的該二結合端之間的中央部位往該二結合端的方向對稱改變。In order to achieve the above object, a fluid-driven power device provided by the present invention includes two fixing plates and a plurality of deflectors, wherein each of the fixing plates has an inner side surface, the two fixing plates are separated from each other by a distance, and the two The inner sides face each other; a central axis is defined on the two fixed plates to pass through the centers of the two inner sides; the deflectors are located between the two fixed plates and surround the central axis; each of the deflectors has two opposite sides. End, the two joint ends are respectively connected to the inner sides of the two fixing plates; wherein each of the deflectors is twisted in a spiral shape, and the twist angle is from a central part between the two joint ends of each of the deflectors. The directions of the two bonding ends change symmetrically.

本發明之效果在於，藉由呈螺旋狀扭轉之導流片且扭轉角對稱的設計，可以對流體進行整流，避免輸出的流體形成紊流干擾動力裝置的轉動，使得動力裝置的轉速和效率可以更加提升，有效提高運用流體之效率。The effect of the present invention is that by designing the spirally twisted deflector and the symmetrical torsion angle, the fluid can be rectified, and the turbulent flow of the output fluid can be prevented from interfering with the rotation of the power device, so that the speed and efficiency of the power device can Further improve and effectively improve the efficiency of the use of fluids.

為能更清楚地說明本發明，茲舉一較佳實施例並配合圖式詳細說明如後。請參圖１至圖４所示，為本發明一較佳實施例流體驅動之動力裝置，係供連接至一傳動裝置（圖未示），該傳動裝置可為發電機。該動力裝置包含有一支撐件10與複數個導流片20，其中：In order to explain the present invention more clearly, a preferred embodiment is described in detail below with reference to the drawings. Please refer to FIG. 1 to FIG. 4, a fluid-driven power device according to a preferred embodiment of the present invention is provided for connection to a transmission device (not shown), which may be a generator. The power device includes a support member 10 and a plurality of deflectors 20, wherein:

該支撐件10係連供連接至該傳動裝置，該支撐件10包含二固定板12與一支柱14，其中，各該固定板12為圓形之板片，具有相背對的一內側面122與一外側面124，該二固定板12彼此相隔一距離且該二內側面122相面對。該二固定板12上定義有一中心軸線i通過該二內側面122及該二外側面124的中心。各該固定板12上開設有複數個開口126貫穿內側面122與外側面124，且各該固定板12的開口126係環繞該中心軸線i。各該開口126具有一第一端126a與一第二端126b，且開口126的寬度係由第一端126a往第二端126b的方向逐漸減小，其中，第一端126a與第二端126b的周緣係呈弧線狀，且開口126於第一端126a與第二端126b之間的一內周緣126c與中心軸線i之間的距離係由第一端126a往第二端126b的方向逐漸增加。該二固定板12之其中一者的各該開口126係與另一者的各該開口126相對應。實務上，亦可省略固定板12的開口126。The support member 10 is connected for connection to the transmission device. The support member 10 includes two fixing plates 12 and a pillar 14, wherein each of the fixing plates 12 is a circular plate with an inner side 122 facing away from each other. The two fixing plates 12 are separated from each other by a distance from an outer side surface 124 and the two inner side surfaces 122 face each other. A central axis i is defined on the two fixing plates 12 and passes through the centers of the two inner side surfaces 122 and the two outer side surfaces 124. Each of the fixing plates 12 is provided with a plurality of openings 126 penetrating the inner side surface 122 and the outer side surface 124, and the openings 126 of each of the fixing plates 12 surround the central axis i. Each of the openings 126 has a first end 126a and a second end 126b, and the width of the opening 126 gradually decreases from the first end 126a to the second end 126b, wherein the first end 126a and the second end 126b The peripheral edge is arc-shaped, and the distance between an inner peripheral edge 126c of the opening 126 between the first end 126a and the second end 126b and the center axis i gradually increases from the first end 126a to the second end 126b. . Each of the openings 126 of one of the two fixing plates 12 corresponds to each of the openings 126 of the other. In practice, the opening 126 of the fixing plate 12 may also be omitted.

該支柱14為一圓柱連接於該二固定板12且位於該中心軸線i上，本實施例中，支柱14的兩端分別連結於該二固定板12內側面122的中心，而其中至少一該固定板12的外側面124連接至傳動裝置。實務上，支柱14亦可穿出該二固定板12的外側面124，由支柱14連接至傳動裝置。此外，亦可省略不設置支柱14。The pillar 14 is a cylinder connected to the two fixing plates 12 and located on the central axis i. In this embodiment, two ends of the pillar 14 are respectively connected to the center of the inner side surface 122 of the two fixing plates 12, and at least one of the two An outer side 124 of the fixing plate 12 is connected to the transmission. In practice, the pillar 14 can also penetrate the outer side 124 of the two fixing plates 12 and be connected to the transmission device by the pillar 14. It is also possible to omit the absence of the pillar 14.

該些導流片20係呈長形且位於該二固定板12之間，並以該中心軸線i為中心均勻分布並環繞該中心軸線i。該些導流片20結構相同，各該導流片20具有相對的二結合端20a，且於二結合端20a之間具有一內表面、一外表面以及連接於該內表面202與該外表面204且相對的一內側緣206與一外側緣208，其中，該二結合端20a分別結合於該二固定板12的內側面122，本實施例中，每一固定板12的各該開口126位於相鄰的二個導流片20的結合端20a之間，且各該導流片20的結合端20a的一部分係沿著各該開口126之第一端126a的周緣部位設置，而呈與第一端126a周緣部位配合的形狀。各導流片20的內表面係對應另一該導流片20的外表面204，各導流片20的內側緣206較外側緣208鄰近該中心軸線i。該些導流片20位於該二固定板12之內側面122的投影範圍內。The deflectors 20 are elongated and located between the two fixing plates 12, and are evenly distributed around the central axis i and surround the central axis i. The deflectors 20 have the same structure, and each of the deflectors 20 has opposite two bonding ends 20a, and has an inner surface, an outer surface between the two bonding ends 20a, and is connected to the inner surface 202 and the outer surface. 204 and an opposite inner edge 206 and an outer edge 208, wherein the two coupling ends 20a are respectively coupled to the inner side surfaces 122 of the two fixing plates 12, in this embodiment, each of the openings 126 of each fixing plate 12 is located at Between the joint ends 20 a of two adjacent deflector pieces 20, and a part of the joint end 20 a of each deflector piece 20 is disposed along the peripheral edge portion of the first end 126 a of each of the openings 126, and is the same as the first The shape of the peripheral edge part of one end 126a. The inner surface of each deflector 20 corresponds to the outer surface 204 of another deflector 20. The inner edge 206 of each deflector 20 is closer to the central axis i than the outer edge 208. The deflectors 20 are located within a projection range of the inner surface 122 of the two fixing plates 12.

請配合圖３與圖４，每一導流片20斷面呈翼型且配合軸向呈螺距變化之螺旋狀扭轉，各該導流片20於垂直於該中心軸線i的任一斷面係由外表面204向內表面202彎曲，彎曲的形狀係呈漸開線之形狀，且於任一斷面的形狀相同。每一導流片20內側緣206於二結合端20a之間的任一位置至支柱14的外周面142的最短距離L1皆相同；外側緣208於二結合端20a之間的任一位置至支柱14的外周面142的最短距離L2皆相同。Please refer to FIG. 3 and FIG. 4. The cross section of each deflector 20 has an airfoil shape and cooperates with a spiral twist in the axial direction with a change in pitch. Each deflector 20 is perpendicular to any cross section of the central axis i. Bending from the outer surface 204 to the inner surface 202, the shape of the curve is involute, and the shape is the same on any cross section. The shortest distance L1 between the inner edge 206 of each deflector 20 between the two joint ends 20a and the outer peripheral surface 142 of the pillar 14 is the same; the outer edge 208 from any position between the two joint ends 20a to the pillar The shortest distance L2 of the outer peripheral surface 142 of 14 is the same.

圖５所示者為每一導流片20於二結合端20a之間的位置與扭轉角之變化關係，其中，二結合端20a之間的中央部位為位置0mm，二結合端之位置分別為位置447mm與-447mm。由圖５中可明顯得知，每一導流片20的扭轉角係由該二結合端20a之間的中央部位往該二結合端20a的方向呈相同變化角度對稱改變，導流片20的中央部位的扭轉角與各該結合端20a的扭轉角之角度差於本實施例中為94度，實務上，前述之角度差以45~100度為佳。Figure 5 shows the relationship between the position of each deflector 20 between the two joint ends 20a and the twist angle. Among them, the central part between the two joint ends 20a is the position 0mm, and the positions of the two joint ends are Positions 447mm and -447mm. It is obvious from FIG. 5 that the torsion angle of each deflector 20 changes symmetrically from the central portion between the two joint ends 20a toward the two joint ends 20a. The angle of the deflector 20 changes symmetrically. The angle difference between the twist angle of the central portion and the twist angle of each of the joint ends 20a is 94 degrees in this embodiment. In practice, the aforementioned angle difference is preferably 45 to 100 degrees.

請配合圖６，藉由上述之結構，當呈紊流（turbulence）之流體（本實施例中以氣流為例說明）經過該動力裝置使其轉動時，流體進入相鄰兩個導流片20後，將會順著導流片20的內表面202及相鄰之導流片20的外表面204往導流片20於二結合端20a之間的中央部位導引，前述之導引的過程係對流體進行整流及往中央部位壓縮，藉此抑制流體經過動力裝置後產生的紊流，讓流體穩定地離開動力裝置；同時，兩個固定板12上的開口126亦會將外側面124外圍的流體吸入兩個導流片20之間且往中央部位流動，以減少固定板12外側紊流的干擾。Please refer to FIG. 6. With the above structure, when a turbulence fluid (illustrated by an air flow in this embodiment) passes through the power device to rotate, the fluid enters two adjacent deflectors 20. Later, it will be guided along the inner surface 202 of the deflector 20 and the outer surface 204 of the adjacent deflector 20 to the center of the deflector 20 between the two joint ends 20a. It rectifies the fluid and compresses it toward the center, thereby suppressing the turbulence generated by the fluid after passing through the power unit, and allowing the fluid to leave the power unit stably. At the same time, the openings 126 on the two fixed plates 12 will also surround the outer side 124 The fluid is sucked between the two deflectors 20 and flows toward the central portion, so as to reduce the disturbance of turbulence outside the fixed plate 12.

由圖７所示流場之模擬圖可明顯得知，流體係穩定地離開動力裝置，如此一來，離開動力裝置的流體便不會形成紊流干擾動力裝置的轉動，使得動力裝置的轉速和效率可以更加提升，有效提高運用流體之效率。From the simulation diagram of the flow field shown in FIG. 7, it is obvious that the flow system leaves the power unit stably. In this way, the fluid leaving the power unit will not form turbulence to interfere with the rotation of the power unit, so that the speed and Efficiency can be further improved, effectively improving the efficiency of the use of fluids.

據上所述，本發明之動力裝置應用於氣流之流體時，藉由導流片20斷面呈翼型且配合軸向螺旋狀扭轉之設計，可增加流經導流片20的流，並增加翼尖風速比，翼尖風速比可達到1.4，高於習用的垂直軸式之動力裝置之翼尖風速比（≤1）。此外，只要小於4M/s之啟動風速即可驅動動力裝置轉動且具小型化、低噪音的優點。According to the above, when the power device of the present invention is applied to airflow fluid, the design of the cross section of the deflector 20 with an airfoil and the axial spiral twist can increase the flow through the deflector 20, and Increase the wingtip wind speed ratio. The wingtip wind speed ratio can reach 1.4, which is higher than the wingtip wind speed ratio of the conventional vertical axis power unit (≤1). In addition, as long as the starting wind speed is less than 4M / s, the power unit can be driven to rotate, and it has the advantages of miniaturization and low noise.

前述之應用中，流體係以氣流為例，但不以此為限，流體亦可為液流。以上所述僅為本發明較佳可行實施例而已，舉凡應用本發明說明書及申請專利範圍所為之等效變化，理應包含在本發明之專利範圍內。In the aforementioned application, the flow system is exemplified by air flow, but is not limited thereto, and the fluid may be liquid flow. The above descriptions are only the preferred and feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

［本發明］[this invention]

10‧‧‧支撐件10‧‧‧ support

12‧‧‧固定板12‧‧‧Fixing plate

122‧‧‧內側面122‧‧‧ inside

124‧‧‧外側面124‧‧‧ outside

126‧‧‧開口126‧‧‧ opening

126a‧‧‧第一端126a‧‧‧First end

126b‧‧‧第二端126b‧‧‧ second end

126c‧‧‧內周緣126c‧‧‧Inner periphery

14‧‧‧支柱14‧‧‧ Pillar

142‧‧‧外周面142‧‧‧outer surface

20‧‧‧導流片20‧‧‧ Guide

20a‧‧‧結合端20a‧‧‧Combination

202‧‧‧內表面202‧‧‧Inner surface

204‧‧‧外表面204‧‧‧ Outer surface

206‧‧‧內側緣206‧‧‧ inside edge

208‧‧‧外側緣208‧‧‧outer edge

i‧‧‧中心軸線i‧‧‧ center axis

L1‧‧‧最短距離L1‧‧‧ shortest distance

L2‧‧‧最短距離L2‧‧‧ shortest distance

圖１為本發明一較佳實施例之動力裝置的立體圖。 圖２為上述較佳實施例之動力裝置的分解立體圖。 圖３為上述較佳實施例之動力裝置的側視圖。 圖４(a)~(e)分別為圖３之A-A’~E-E’方向剖視圖。 圖５為上述較佳實施例之導流片於二結合端之間的位置與扭轉角變化關係。 圖６為一示意圖，揭示流體驅動動力裝置時流體的流向。 圖７為流體驅動動力裝置時流場之模擬圖。FIG. 1 is a perspective view of a power plant according to a preferred embodiment of the present invention. FIG. 2 is an exploded perspective view of the power plant of the above preferred embodiment. FIG. 3 is a side view of the power unit of the above preferred embodiment. 4 (a) ~ (e) are cross-sectional views taken along the direction of A-A '~ E-E' in Fig. 3, respectively. FIG. 5 shows the relationship between the position of the deflector between the two coupling ends and the twist angle in the above preferred embodiment. FIG. 6 is a schematic diagram illustrating the fluid flow direction when the fluid drives the power unit. Figure 7 is a simulation diagram of the flow field when a fluid-driven power unit is used.

Claims (11)

一種流體驅動之動力裝置，包含： 二固定板，各該固定板具有一內側面，該二固定板彼此相隔一距離且該二內側面相面對；該二固定板上定義有一中心軸線通過該二內側面的中心；以及 複數個導流片，位於該二固定板之間且環繞該中心軸線；各該導流片具有相對的二結合端，該二結合端分別結合於該二固定板的內側面； 其中，各該導流片呈螺旋狀扭轉，且扭轉角係由各該導流片的該二結合端之間的中央部位往該二結合端的方向對稱改變。A fluid-driven power device includes: two fixed plates, each of which has an inner side surface, the two fixed plates are spaced apart from each other and the two inner side surfaces face each other; the two fixed plates define a central axis through the two The center of the inner side; and a plurality of deflectors, located between the two fixing plates and surrounding the central axis; each of the deflectors has two opposite coupling ends, and the two coupling ends are respectively coupled to the two fixing plates. Side; wherein each of the deflectors is twisted in a spiral shape, and the twist angle is symmetrically changed from a central portion between the two coupling ends of each of the deflectors toward the two coupling ends. 如請求項1所述流體驅動之動力裝置，其中各該導流片於垂直於該中心軸線的任一斷面係呈彎曲狀。The fluid-driven power device according to claim 1, wherein each of the deflectors is curved in a cross section perpendicular to the central axis. 如請求項2所述流體驅動之動力裝置，其中各該導流片於垂直於該中心軸線的任一斷面係呈漸開線之彎曲狀。The fluid-driven power device according to claim 2, wherein each of the deflectors is involute curved in any cross section perpendicular to the central axis. 如請求項2所述流體驅動之動力裝置，其中各該導流片於垂直於該中心軸線的任一斷面的形狀相同。The fluid-driven power device according to claim 2, wherein each of the deflectors has the same shape in any section perpendicular to the central axis. 如請求項1所述流體驅動之動力裝置，其中各該導流片的中央部位的扭轉角與各該結合端的扭轉角之角度差介於45~100度。The fluid-driven power device according to claim 1, wherein an angle difference between a twist angle of a central portion of each of the deflectors and a twist angle of each of the coupling ends is 45 to 100 degrees. 如請求項1所述流體驅動之動力裝置，包含有一支柱，其連接於該二固定板且位於該中心軸線上。The fluid-driven power unit according to claim 1, comprising a pillar, which is connected to the two fixing plates and is located on the central axis. 如請求項6所述流體驅動之動力裝置，其中各該導流片的該二結合端之間具有相對的一內側緣與一外側緣，該內側緣較該外側緣鄰近該中心軸線；各該導流片的內側緣於其該二結合端之間的任一位置至該支柱的外周面的最短距離相同；各該導流片的外側緣於其該二結合端之間的任一位置至該支柱的外周面的最短距離相同。The fluid-driven power device according to claim 6, wherein the two coupling ends of each of the deflectors have an inside edge and an outside edge opposite to each other, and the inside edge is closer to the center axis than the outside edge; The shortest distance between the inner edge of the deflector from any position between the two joint ends to the outer peripheral surface of the pillar is the same; the outer edge of each deflector from any position between the two joint ends to The shortest distance between the outer peripheral surfaces of the pillars is the same. 如請求項1所述流體驅動之動力裝置，其中各該固定板具有一外側面與該內側面相背對，且各該固定板上具有複數個開口貫穿該內側面與該外側面，各該開口位於相鄰的二個該導流片的結合端之間。The fluid-driven power device according to claim 1, wherein each of the fixing plates has an outer side facing away from the inner side, and each of the fixing plates has a plurality of openings penetrating the inner side and the outer side, and each of the openings It is located between the joint ends of two adjacent deflectors. 如請求項8所述流體驅動之動力裝置，其中各該開口具有一第一端與一第二端，且該開口的寬度係由該第一端往該第二端的方向逐漸減小。The fluid-driven power device according to claim 8, wherein each of the openings has a first end and a second end, and the width of the opening gradually decreases from the first end toward the second end. 如請求項8所述流體驅動之動力裝置，其中各該導流片的結合端之一部分係沿著各該開口之第一端的周緣部位設置。The fluid-driven power device according to claim 8, wherein a part of the joint end of each of the deflectors is disposed along a peripheral portion of a first end of each of the openings. 如請求項1所述流體驅動之動力裝置，其中該些導流片位於該二固定板之內側面的投影範圍內。The fluid-driven power device according to claim 1, wherein the deflectors are located within a projection range of an inner side surface of the two fixing plates.
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