CN201779080U - Bladeless fan - Google Patents

Bladeless fan Download PDF

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Publication number
CN201779080U
CN201779080U CN201020198948XU CN201020198948U CN201779080U CN 201779080 U CN201779080 U CN 201779080U CN 201020198948X U CN201020198948X U CN 201020198948XU CN 201020198948 U CN201020198948 U CN 201020198948U CN 201779080 U CN201779080 U CN 201779080U
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China
Prior art keywords
bladeless fan
transposition
base
unit
bladeless
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CN201020198948XU
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Chinese (zh)
Inventor
刘建军
官伟岩
徐超
曲桂楠
谭森化
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海尔集团公司;青岛海尔成套家电服务有限公司
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Priority to CN201020198948XU priority Critical patent/CN201779080U/en
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Publication of CN201779080U publication Critical patent/CN201779080U/en

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Abstract

The utility model provides a bladeless fan which comprises a steering structure and a bladeless fan unit installed on the steering structure; the bladeless fan unit comprises an airflow generation device and a spray nozzle, wherein the airflow generation device is used for generating airflow supplied to the spray nozzle; and the bladeless fan unit can rotate to any angle relative to the steering structure, so that the bladeless fan unit can provide air in any direction.

Description

无扇叶风扇 Bladeless fan

技术领域 FIELD

[0001 ] 本新型涉及一种风扇,尤其涉及一种转动角度大的无扇叶风扇。 [0001] The present invention relates to a fan, particularly to a rotation angle without a large fan blades. 背景技术 Background technique

[0002] 传统家用风扇一般包括转轴、一组可绕转轴旋转的扇叶、以及用于驱动扇叶旋转的驱动机构。 [0002] The conventional domestic fan typically includes a rotary shaft, a set of blades rotatable about a shaft, and a drive mechanism for driving the rotation of the blades. 一般扇叶组靠近用户设置,扇叶组转动时在室内提供吹向用户的气流,此气流加速热量散发以及用户体表处的水分蒸发从而使人感觉凉爽。 Usually blade group provided closer to the user, providing the user blowing air in the room when the blade assembly is rotated, the heat dissipation and the gas flow to accelerate the water surface at a user makes evaporated to feel cool.

[0003] 由于风扇的扇叶在工作过程中均处于高速旋转的状态,此外由于风扇必须保持良好的通风环境而不能将扇叶密封起来,因此只能安装通风的网罩,但是网罩存在安全上的隐患。 [0003] Since the fan blades during operation are in a state of high-speed rotation, and further since the fan must maintain good ventilation fan can not be sealed, and therefore can only be installed in the ventilation grille, but there are safety nets hidden on. 例如,细小物品落入风扇可能被高速旋转的扇叶激发而弹伤用户,而有小孩的家庭往往担心小孩会将手指伸入风扇而受伤。 For example, small items fall into the high-speed rotation of the fan blades may be excited by bullet wounds users, while families with children are often worried about child will be injured finger into the fan. 此外,在经过常时间的使用后,网罩上会附着上灰尘或者油烟,而网罩又非常难于清洗。 Further, after use often times, the mesh cover will be attached to dust or fumes, and the mesh cover and very difficult to clean. 进一步地,由于传统家用风扇是通过扇叶推动空气流动,而多片扇叶吹出的气流相互激发而使风扇的整体出风不够均勻。 Further, since conventional domestic fan blades are driven by the air flow, the air blown multi-chip excitation blade integrally with each other so that the air outlet of the fan is not uniform enough.

[0004] 为解决上述问题,请参阅图1,英国戴森(Dyson)公司开发出一种无扇叶风扇100, 无扇叶风扇100是将高速气流从一个螺旋桨状的坡道13内壁喷出,而由于柯恩达效应(Coanda Effect),此高速气流会附于坡道13内壁,而且会带动周围气流一起流动从而可提供吹向用户的平稳气流。 [0004] In order to solve the above problems, please refer to FIG. 1, England Dyson (Dyson) has developed a bladeless fan 100, 100 is a bladeless fan speed air stream discharged from the inner wall of a propeller-shaped ramp 13 , and because the Coanda effect (Coanda effect), this high velocity gas flow 13 may be attached to the inner wall of the ramp, but will be driven around the air flow together to provide a smooth air flow blown user. 相比于传统风扇,其具有结构简单,易于清理、安全等优点。 Compared to a conventional fan, which has a simple structure, easy to clean, and safety. 无扇叶风扇100中,底座12与基座11之间是通过底座12相对基座11滑动从而沿垂直方向上转动,但是其沿纵向的转动角度只能达到20度左右,无法满足各种角度出风的要求。 Bladeless fan 100, between the base 12 and the base 11 by the slide 12 relative to the base 11 so that the base is rotated in the vertical direction, but the rotation angle of the longitudinal direction of only about 20 degrees, can not meet various angles wind requirements.

[0005] 新型内容 [0005] SUMMARY

[0006] 有鉴于此,有必要提供一种转动角度大的无扇叶风扇。 [0006] In view of this, it is necessary to provide a rotary angle of the fan blades without large.

[0007] 本新型实施例提供一种无扇叶风扇,其包括一个转向结构以及一个安装于该转向结构上的无扇叶风扇单元。 [0007] The present embodiment provides a novel bladeless fan comprising a steering structure and attached to a bladeless fan unit on the steering structure. 无扇叶风扇单元包括一个气流产生装置及一个喷嘴,该气流产生装置用于产生供给喷嘴的气流.该无扇叶风扇单元可相对于该转向结构转动至任意角度。 Bladeless fan unit comprising a gas flow generating means and a nozzle means for generating the air flow supplied to the gas flow generating nozzle. The bladeless fan unit may be any angle relative to the rotation of the steering structure.

[0008] 在另一实施例中,转向结构包括一个底座、一个安装在该底座上并可相对底座转动的转座、及一个固定于转座一端的支架。 [0008] In another embodiment, the steering structure comprises a base, a base mounted on the base and rotatable relative to the transposase, and a bracket fixed to an end of transposition. 无扇叶风扇单元两端分别可转动的安装在支架上。 Bladeless fan units at both ends are rotatably mounted on the bracket.

[0009] 在另一实施例中,所述无扇叶风扇进一步包括一个下转座及一个下无扇叶风扇单元,下转座安装在底座上并可相对底座转动,转座安装在下转座上,下无扇叶风扇单元固定在下转座上。 [0009] In another embodiment, the bladeless fan transposase further comprises a lower blade and without a fan unit, the transposition mounted on the base and is rotatable relative to the base, the lower mounting transposition transposition the upper and lower bladeless fan unit fixed to the lower seat turn.

[0010] 在另一实施例中,所述转座可相对于下转座转动。 [0010] In another embodiment, the transposase may be rotated with respect to the transposition.

[0011] 在另一实施例中,所述转座或者下转座内安装有用于驱动转座相对于下转座转动的驱动机构。 [0011] In another embodiment, the transposon or transposase is mounted within the transposon drive mechanism for driving the rotation with respect to the transposition.

[0012] 在另一实施例中,所述转座固定于下转座上。 [0012] In another embodiment, the transposase turn fixed to the lower base.

[0013] 在另一实施例中,所述下转座内或底座内安装有用于驱动下转座相对于底座转动的驱动机构。 Inner [0013] In another embodiment, the transposase under the chassis or under the seat is mounted for rotation relative to the drive means driving the rotation of the base.

[0014] 在另一实施例中,所述无扇叶风扇单元两端分别形成有转轴,该转轴的一端分别可转动地安装在支架上。 [0014] In another embodiment, the free ends of the fan blades are formed with a shaft unit, one end of the shaft are rotatably mounted on the carriage.

[0015] 在另一实施例中,所述支架包括一个水平部及分别从水平部两端垂直延伸的垂直部,水平部固定在转座的一端,无扇叶风扇单元两端的转轴分别可转动的安装在相应的垂直部上。 [0015] In another embodiment, the bracket comprises a horizontal portion and a vertical portion vertically extending from both ends of each horizontal portion, the horizontal portion fixed to one end of the transposon, without the fan blade units the shaft ends are rotatably mounted on the respective vertical section.

[0016] 在另一实施例中,所述该无扇叶风扇单元相对于该转向结构在横向及纵向上的自由转动角度大于30度。 [0016] In another embodiment, the bladeless fan unit the relative configuration of the steering angle in the lateral direction and rotate freely in the longitudinal direction is greater than 30 degrees.

[0017] 上述的无扇叶风扇中,通过进一步采用底座,转座及支架,无扇叶风扇单元可同时绕一个水平轴与一个垂直轴转动,通过横向与纵向上转动的配合无扇叶风扇单元可向任意方向出风。 [0017] None of the above-described fan blade, by further using a base, and stent transposition, bladeless fan unit may be simultaneously rotated about a horizontal axis and a vertical axis, by a horizontal and vertical free rotation of the fan blades with unit may wind in any direction.

[0018] 上述说明仅是本新型技术方案的概述,为了能够更清楚了解本新型的技术手段, 而可依照说明书的内容予以实施,并且为了让本新型的上述和其他目的、特征和优点能够更明显易懂,以下特举较佳实施例,并配合附图,详细说明如下。 [0018] The above description is only an overview of the new aspect of the present, in order to more clearly understand the present novel techniques, but may be implemented in accordance with the contents of the specification, and in order to make the present novel The above and other objects, features and advantages can be more apparent from the following Patent cited preferred embodiments accompanied with figures are described in detail below.

附图说明 BRIEF DESCRIPTION

[0019] 图1为现有技术中提供的无扇叶风扇的结构示意图。 [0019] FIG. 1 is a schematic view of the prior art provides no fan blades.

[0020] 图2为本新型第一实施例提供的无扇叶风扇的结构示意图。 Bladeless fan schematic structure according to an [0020]. FIG. 2 according to a first embodiment.

[0021] 图3为图2的部分剖面示意图。 [0021] FIG. 3 is a schematic partial cross-sectional view of FIG.

[0022] 图4为本新型第二实施例提供的无扇叶风扇的结构示意图。 [0022] FIG. 4 is a schematic configuration bladeless fan provided in a second embodiment of the present. 具体实施方式 Detailed ways

[0023] 为更进一步阐述本新型为达成预定新型目的所采取的技术手段及功效,以下结合附图及较佳实施例,对依据本新型提出的无扇叶风扇具体实施方式、结构、特征及其功效, 详细说明如后。 [0023] To further illustrate the novel purpose to achieve a predetermined new technical means and effects in conjunction with the accompanying drawings and the following preferred embodiments of the bladeless fan according to the present model provides specific embodiments, structure, characteristics, and their effectiveness, as will be described in detail.

[0024] 请参阅图2,其为本新型第一实施例提供的无扇叶风扇200的示意图。 [0024] Please refer to FIG. 2, a schematic view of a first embodiment of the novel No fan blades 200 which present. 无扇叶风扇200包括转向结构20及无扇叶风扇单元27。 Bladeless fan 200 includes a steering structure bladeless fan unit 20 and 27. 转向结构20用于使该无扇叶风扇单元具有大的纵向摆动角度。 Turning structure 20 for the bladeless fan unit having a large vertical swing angle.

[0025] 本实施例中,转向结构20包括圆形底座21、安装在底座21上的转座22、及支架23。 [0025] In this embodiment, the steering structure 20 includes a circular base 21, transposition 21 mounted on the base 22 and bracket 23. 转座22可相对底座21横向转动。 Relative to the base 22 can be rotated transversely transposable 21. 支架23固定于转座22的一端。 Bracket 23 fixed to one end 22 of transposition. 无扇叶风扇单元27 包括气流产生装置25及喷嘴26。 Bladeless fan unit 27 comprises an airflow generating device 25 and the nozzle 26. 气流产生装置用于产生供给喷嘴26的气流。 Means for generating a gas stream supply nozzle 26 to produce airflow. 喷嘴26用于将气流喷出并利用柯恩达效应加以放大,无扇叶风扇单元27可转动的安装在支架23上。 For air injection nozzle 26 and is amplified by using the Coanda effect, bladeless fan unit 27 is rotatably mounted on the carriage 23.

[0026] 喷嘴26大体呈环状。 [0026] The nozzle 26 is substantially annular. 喷嘴26内具有环状的内部通道(图未示)、以及与内部通道相通的喷口(图未示)。 The nozzle 26 has an annular internal passage (not shown), and a nozzle in communication with the internal passage (not shown). 此喷口靠近喷嘴26的内壁且喷嘴26的内壁具有一柯恩达表面(未标示)。 This is close to the inner wall of the nozzle orifice and an inner wall 26 of the nozzle 26 has a Coanda surface (not labeled). 内部通道与气流产生装置25相连通,当气流产生装置25产生的高速气流从喷口喷射而出并沿喷嘴26的内壁的柯恩达表面流动时,由于柯恩达效应,此气流会被放大从而形成平稳吹向喷嘴26前方的气流。 And the internal passage 25 communicating airflow generating device, when the high-speed air stream generating means for generating the injection nozzle 25 out from the Coanda surface flow along the inner wall of the nozzle 26 due to the Coanda effect, the air flow is amplified to forming a smooth airflow in front of the nozzle 26 is blown.

[0027] 请同时参阅图3,其进一步显示出转座22与底座21的结构细节。 [0027] Referring also to FIG. 3, which show further structural details of the base 22 transposition 21. 底座21具有顶面210及内部空间212。 The base 21 has a top surface 210 and the inner space 212. 转座22安装在顶面210上。 Transposition 22 is mounted on the top surface 210. 转座22为一中空结构,其内设有驱动机构例如马达220,马达220相对于转座22固定。 Transposable 22 is a hollow structure, which is equipped with a drive mechanism such as a motor 220, the motor 220 is fixed relative to the housing 22 rpm. 本实施例中,马达220设置在垫片224 上。 In this embodiment, the motor is disposed on the spacer 224 220. 马达220具有转轴222,转轴222与转座22相互固定并穿过形成在顶面210内的轴孔延伸至底座21的内部空间212内,且转轴222的端部设有螺栓226用于防止转轴222从底座21上脱落。 The motor shaft hole 220 has a shaft 222, shaft 222 fixed to each other with a transposase and 22 through 210 formed in the top surface extending into the interior space 212 of the base 21, and the end of the shaft 222 of the bolt 226 is provided for preventing the shaft 222 removed from the base 21. 马达220可电连接至控制按钮(图未示)以便于用户控制马达220。 The motor 220 may be electrically connected to a control button (not shown) for controlling the motor 220 to a user. 由此, 转座22可在马达220的驱动下绕一个垂直轴(XX轴)横向转动。 Accordingly, seat 22 can turn about a vertical axis under the driving motor 220 (XX axis) of lateral rotation. 除图3所示的结构外, 可以理解,转座22内还可不设马达220,转座22可直接经由一转轴与底座21之间实现可转动连接,此时转座22可经由外力驱动例如用户的手动转动而定位于某一角度。 In addition to the structure shown in FIG. 3, can be appreciated, the motor 220 may be 22 no transposition, transposition 22 may be implemented via a direct connection between the rotatable shaft and a base 21, case 22 may be driven by external force transposition via e.g. manual user rotation positioned at an angle. 另外,马达220还可设于底座21的内部空间212内,此时,马达220与底座210之间固定。 Further, motor 220 may be disposed in the interior space 212 of the base 21, at this time, the motor 220 and secured between the base 210.

[0028] 支架23包括水平部233及分别从水平部233两端垂直向上延伸的垂直部231、 232。 [0028] The bracket 23 includes a horizontal portion and a vertical portion 233 extending from both ends of the horizontal portions 233 vertically upward 231, 232. 水平部233固定在转座22的一端。 A horizontal portion 233 fixed to one end 22 of the transposase. 无扇叶风扇单元27两端分别形成有转轴24,且两端的转轴24的分别可转动地安装在该支架23的垂直部231、232上。 27 are respectively formed in both ends of the rotation shaft bladeless fan unit 24, and the ends of the shaft are rotatably mounted on a vertical portion 231, 232 of the holder 23 24. 本实施例中,转轴24 分别形成在气流产生装置25与喷嘴26上。 In this embodiment, the rotary shaft 24 are formed on the generating means 25 and the nozzle 26 in the gas flow. 由此,无扇叶风扇单元27可在外力作用下绕一个水平轴(YY轴)作任意角度的纵向转动。 Accordingly, the bladeless fan units 27 rotatable about a horizontal axis (YY axis) is rotated by an external force for longitudinal any angle. 通过调节24与垂直部231、232之间结合力的大小可使无扇叶风扇单元27可停在任意角度上。 24 by adjusting the bonding force between the vertical portion 231 and the size can bladeless fan unit 27 may be stopped at any angle. 例如无扇叶风扇单元27相对于转向结构20在横向及纵向上的自由转动角度均大于30度,更加优选地,上述自由转动角度还可大于40度。 E.g. bladeless fan unit 27 with respect to the lateral diverting structure 20 and free rotation angle in the longitudinal direction greater than 30 degrees, more preferably, also the free rotation angle greater than 40 degrees. 此外还可与安装驱动机构用于驱动无扇叶风扇单元27主动绕转轴24转动。 In addition the mounting may also be a drive mechanism for driving the active bladeless fan unit 27 is rotated around the shaft 24. 例如, 可以在气流产生装置25中安装如图3中所示的马达机构以驱动无扇叶风扇单元27绕转轴24转动。 For example, device 25 may be generated in the motor mounting mechanism shown in FIG. 3 bladeless fan driving unit 27 is rotated around the shaft 24 in the gas flow.

[0029] 本实施例的无扇叶风扇200中,无扇叶风扇单元27可同时绕一个水平轴及一个垂直轴转动,通过横向与纵向上转动的配合,无扇叶风扇200可向任意方向提供平稳的气流。 In [0029] bladeless fan 200 of the present embodiment, bladeless fan unit 27 may simultaneously about a horizontal axis and a vertical axis, the horizontal and vertical rotation by mating, bladeless fan 200 can be in any direction provide a smooth airflow.

[0030] 参阅图4,其为本新型第二实施例提供的无扇叶风扇300的示意图。 [0030] Referring to Figure 4, a schematic diagram of a second embodiment of fan blades 300 provided in its present. 无扇叶风扇300与第一实施例的无扇叶风扇200相似,其不同之处在于进一步包括一个下转座31及固定在下转座31上的下无扇叶风扇单元32。 Bladeless fan bladeless fan 300 is similar to the first embodiment 200, except that it further comprises a lower base 31 and the lower turn bladeless fan unit 31 is fixed on the lower transposition 32. 下转座31与底座21之间可安装如图3所示的马达等驱动机构以驱动下转座31相对底座21绕一个垂直轴(X1-X1轴)转动。 Under transposition may be mounted between the chassis 31 and the drive mechanism such as a motor 21 shown in FIG. 3, the following driving transposition relative to the base 31 about a vertical axis (X1-X1 axis) 21 is rotated. 转座21可直接固定在下转座31的一端,此时,转座21可随下转座31 —起绕Xl-Xl轴转动。 Direct transposition end 21 fixed to the lower holder 31 rpm, this time, with the rotation seat 21 may be transposable 31 - is rotated about the axis Xl-Xl together. 然而还可以在转座21内或者下转座31上安装驱动机构用于驱动转21相对于下转座31绕X2-X2 轴转动。 However, it may also be at 21 or transposition in the transposition 31 mounted on the drive mechanism for driving at 21 rpm for transposition 31 is rotated about the axis X2-X2. 而无扇叶风扇单元27与支架23之间的连接与第一实施例中相同,其可相对支架23绕YY轴转动,不再赘述。 Without the fan unit is connected to the same blade of the first embodiment between the bracket 27 and 23, relative to the bracket 23 which can be rotated about the axis YY, will not be repeated.

[0031] 本实施例的无扇叶风扇300中,通过设置可绕垂直轴转动的下转座31,下无扇叶风扇单元32可在水平面内的任意方向上提供气流,而无扇叶风扇单元27与第一实施例中相同,可向任意角度提供气流。 Bladeless fan 300 [0031] In the present embodiment, by providing rotatable about a vertical axis 31 of the transposase, the bladeless fan unit 32 may provide an air flow in any direction in a horizontal plane, without the fan blades unit 27 as in the first embodiment, airflow may be provided at any angle. 由此,下无扇叶风扇单元32与无扇叶风扇单元27可同时向不同方向提供气流以满足不同的需求。 Accordingly, the bladeless fan unit without fan blades 32 and the unit 27 may provide an air flow in different directions simultaneously in order to meet different needs.

[0032] 以上所述,仅是本新型的较佳实施例而已,并非对本新型作任何形式上的限制,虽然本新型已以较佳实施例揭露如上,然而并非用以限定本新型,任何熟悉本专业的技术人员,在不脱离本新型技术方案范围内,当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本新型技术方案内容,依据本新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本新型技术方案的范围内。 [0032] The above are only preferred embodiments of novel and not any limitation of the present novel form, although the present novel has been disclosed above by the preferred embodiments, but not intended to limit the present novel, anyone familiar with Those skilled in the art, without departing from the scope of the present novel aspect, when using the above techniques can make minor modifications content disclosed as equivalent variations or modifications equivalent embodiments, but all without departing from the present novel aspect of the embodiment, according to this novel technical spirit any simple modification of the above embodiment made equivalent changes and modifications as would fall within the scope of the novel technical solutions.

Claims (10)

1 一种无扇叶风扇,包括:一个转向结构,以及一个无扇叶风扇单元,安装于该转向结构上,该无扇叶风扇单元包括一个气流产生装置及一个喷嘴,该气流产生装置用于产生供给喷嘴的气流;其特征在于,该无扇叶风扇单元可相对于该转向结构转动至任意角度。 A bladeless fan, comprising: a steering structure, and a bladeless fan unit mounted on the steering structure, the bladeless fan unit comprising a gas flow generating means and a nozzle, the gas flow generating means for supplying an air flow nozzle; wherein the bladeless fan unit may be rotated relative to the structure to an arbitrary steering angle.
2.如权利要求1所述的无扇叶风扇,其特征在于,该转向结构包括:一个底座;一个安装在该底座上的转座,该转座可相对该底座转动;及一个支架,其固定于该转座的一端;该无扇叶风扇单元可转动地安装在该支架上。 2. The bladeless fan according to claim 1, wherein the redirecting structure comprises: a base; a base mounted on the transposition, the transposition rotatable relative to the base; and a bracket one end fixed to the rotation base; the bladeless fan unit is rotatably mounted on the bracket.
3.如权利要求2所述的无扇叶风扇,其特征在于,该无扇叶风扇进一步包括一个下转座及一个下无扇叶风扇单元,该下转座安装在该底座上并可相对该底座转动,该转座安装在该下转座上,该下无扇叶风扇单元固定在该下转座上。 3. The bladeless fan according to claim 2, characterized in that the fan blade further comprises a non-transposition and the absence of a fan blade unit, the lower transposition mounted on the base and movable relative rotation of the base, which in turn is mounted to the lower seat base rotation, the lower bladeless fan unit is fixed to the lower seat turn.
4.如权利要求3所述的无扇叶风扇,其特征在于,该转座可相对于该下转座转动。 4. A bladeless fan according to claim 3, characterized in that the transposition movable relative to the rotation of the transposition.
5.如权利要求4所述的无扇叶风扇,其特征在于,该转座或者该下转座内安装有用于驱动该转座相对于该下转座转动的驱动机构。 5. The bladeless fan according to claim 4, wherein the transposon or transposable the driving mechanism for driving the rotation with respect to the transposon transposition is mounted at an inner.
6.如权利要求3所述的无扇叶风扇,其特征在于,该转座固定于该下转座上。 The bladeless fan as claimed in claim 3, characterized in that the transposition is fixed to the lower seat turn.
7.如权利要求3所述的无扇叶风扇,其特征在于,该下转座内或该底座内安装有用于驱动该下转座相对于底座转动的驱动机构。 7. The bladeless fan according to claim 3, characterized in that, for mounting or the lower driving transposition mechanism of the base with respect to the rotation of the drive in the base within the lower transposition.
8.如权利要求1所述的无扇叶风扇,其特征在于,该无扇叶风扇单元两端分别形成有转轴,该转轴的一端分别可转动地安装在该支架上。 8. The bladeless fan according to claim 1, characterized in that the free ends are formed with a blade fan unit shaft, one end of the shaft are rotatably mounted on the bracket.
9.如权利要求8所述的无扇叶风扇,其特征在于,该支架包括一个水平部及分别从该水平部两端垂直延伸的垂直部,该水平部固定在该转座的一端,该无扇叶风扇单元两端的转轴分别可转动的安装在相应的垂直部上。 9. The bladeless fan as claimed in claim 8 is fixed at the end of the horizontal portion of the transposition, characterized in that the bracket comprises a horizontal portion and a vertical portion vertically extending respectively from both ends of the horizontal portion, which bladeless fan shaft ends of the unit are rotatably mounted on a respective vertical section.
10.如权利要求1所述的无扇叶风扇,其特征在于,该无扇叶风扇单元相对于该转向结构在横向及纵向上的自由转动角度大于30度。 10. The bladeless fan according to claim 1, characterized in that the bladeless fan unit structure with respect to the steering angle in the lateral direction and rotate freely in the longitudinal direction is greater than 30 degrees.
CN201020198948XU 2010-05-21 2010-05-21 Bladeless fan CN201779080U (en)

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